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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
Posted to rec.crafts.metalworking
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impact wrench
I have what I thought was a decent quality cambell hausfeld 1/2" gun which
is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks |
#2
Posted to rec.crafts.metalworking
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impact wrench
Are you sure your lug nuts aren't rusted onto the studs? You can borrow,
rent or buy a much more powerful impact wrench but you might end up just breaking off the stud. "habbi" wrote in message ... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks |
#3
Posted to rec.crafts.metalworking
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impact wrench
Shouldn't be, when I put my summer tires on last april I put anti seize on
the studs and torqued them to 140 ftlbs. The ones that came off still had anti-seize on the studs, no rust. "AL" wrote in message . .. Are you sure your lug nuts aren't rusted onto the studs? You can borrow, rent or buy a much more powerful impact wrench but you might end up just breaking off the stud. "habbi" wrote in message ... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks |
#4
Posted to rec.crafts.metalworking
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impact wrench
"habbi" wrote in message ... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks Campbell Hausfeld is trash, but the problem may actually be in your impact sockets. If they are cheesy and whored out so that they do not fit tightly on the lugnuts the play will suck the power of the impact gun up and even a good impact gun will not perform well. A cheap impact gun should take lugnuts off a 1/2 ton truck with no problem if the socket is good. |
#5
Posted to rec.crafts.metalworking
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impact wrench
"habbi" wrote in message ... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks I'll bet the socket gets hot, that's the clue that energy is being wasted. Get a good 4-way and stand on it. |
#6
Posted to rec.crafts.metalworking
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impact wrench
"habbi" wrote in message ... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks I have a CHEAP (HF) impact wrench and am well satisfied with it. I doubt it would stand up long under day in and day out use, but... Anyhow, a friend brought me his van that someone had nailed the lug nuts and he'd snapped a lug wrench trying to change a tire. The impact wrench pounded on a few of them for a while before they came, but they all loosened. (He then re-tightened them by hand to a more reasonable level...) I had a lug nut on my pickup that someone probably cross-threaded and then drove it home with an impact wrench. It wouldn't come for ANYTHING. We put a big impact wrench on it and snapped the stud (fortunately, studs are cheap and usually easy to replace...). As to you question about oil, two or three drops is usually enough. If you put in too much, it won't stay in it for long... The excess will come spraying out the tool exhaust and usually up your sleeve, in your face or in some other "convenient" place... Air tool oil is cheap and a properly oiled tool is a heck of a lot more powerful than one that is dry... Jerry |
#7
Posted to rec.crafts.metalworking
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impact wrench
habbi wrote:
I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks I have a cheapo 1/2" impact wrench, won't take off lug nuts either. A bigger one works just fine, same socket. Some day I'll get a good one .. GWE |
#8
Posted to rec.crafts.metalworking
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impact wrench
ATP* wrote:
"habbi" wrote in message ... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks Campbell Hausfeld is trash, but the problem may actually be in your impact sockets. If they are cheesy and whored out so that they do not fit tightly on the lugnuts the play will suck the power of the impact gun up and even a good impact gun will not perform well. A cheap impact gun should take lugnuts off a 1/2 ton truck with no problem if the socket is good. I picked up one of the Harbor Freight 1/2" impact / 3/8" ratchet combos a while back when it was on a cheaper-than-dirt sale. When I first tried them they seemed a little under powered, but I figured they would at least save me some awkward hand cramping wrenching. A month or two later I had to do brakes and replace some brake line on my truck. I figured I'd give the HF wrenches a shot and amazingly enough they worked beautifully. It seemed that they needed a minute or two of use for the air motor vanes to seat or something, but after that they had plenty of power. The only fasteners that the HF impact wouldn't remove were the lug nuts, but they actually required me to use a 4" cheater pipe on my 3/4" drive ratchet with a lot of straining to remove (sounded like a damn gunshot when each one finally broke free) so I certainly can't blame the HF impact. Pete C. |
#9
Posted to rec.crafts.metalworking
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impact wrench
"Pete C." wrote:
ATP* wrote: "habbi" wrote in message ... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks Campbell Hausfeld is trash, but the problem may actually be in your impact sockets. If they are cheesy and whored out so that they do not fit tightly on the lugnuts the play will suck the power of the impact gun up and even a good impact gun will not perform well. A cheap impact gun should take lugnuts off a 1/2 ton truck with no problem if the socket is good. I picked up one of the Harbor Freight 1/2" impact / 3/8" ratchet combos a while back when it was on a cheaper-than-dirt sale. When I first tried them they seemed a little under powered, but I figured they would at least save me some awkward hand cramping wrenching. A month or two later I had to do brakes and replace some brake line on my truck. I figured I'd give the HF wrenches a shot and amazingly enough they worked beautifully. It seemed that they needed a minute or two of use for the air motor vanes to seat or something, but after that they had plenty of power. The only fasteners that the HF impact wouldn't remove were the lug nuts, but they actually required me to use a 4" cheater pipe on my 3/4" drive ratchet with a lot of straining to remove (sounded like a damn gunshot when each one finally broke free) so I certainly can't blame the HF impact. Pete C. Er, that would be 4' as in four foot cheater pipe on the 3/4" drive ratchet. Pete C. |
#10
Posted to rec.crafts.metalworking
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impact wrench
"Pete C." wrote in message ... "Pete C." wrote: ATP* wrote: "habbi" wrote in message ... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks Campbell Hausfeld is trash, but the problem may actually be in your impact sockets. If they are cheesy and whored out so that they do not fit tightly on the lugnuts the play will suck the power of the impact gun up and even a good impact gun will not perform well. A cheap impact gun should take lugnuts off a 1/2 ton truck with no problem if the socket is good. I picked up one of the Harbor Freight 1/2" impact / 3/8" ratchet combos a while back when it was on a cheaper-than-dirt sale. When I first tried them they seemed a little under powered, but I figured they would at least save me some awkward hand cramping wrenching. A month or two later I had to do brakes and replace some brake line on my truck. I figured I'd give the HF wrenches a shot and amazingly enough they worked beautifully. It seemed that they needed a minute or two of use for the air motor vanes to seat or something, but after that they had plenty of power. The only fasteners that the HF impact wouldn't remove were the lug nuts, but they actually required me to use a 4" cheater pipe on my 3/4" drive ratchet with a lot of straining to remove (sounded like a damn gunshot when each one finally broke free) so I certainly can't blame the HF impact. Pete C. Er, that would be 4' as in four foot cheater pipe on the 3/4" drive ratchet. Pete C. I have had a good ruin with a "Supercheap Auto" (Aussie company selling cheap crap!) 1/2" rattle gun on all sorts of bolts. The surprising one was that after half a day of hitting the gun each time I walked past it for a burst on the seized bulldozer brake adjuster 19 mm nut that had about 50 mm long of rusty thread inside. And I wasn't game to apply the force of six feet of water pipe as it would probably have broken the brake band assembly which would have meant a lot of dismantling. Although it was only a low power, the hammer action eventually won. Hope this helps, Peter |
#11
Posted to rec.crafts.metalworking
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impact wrench
"Pete C." wrote in message ... ATP* wrote: "habbi" wrote in message ... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks Campbell Hausfeld is trash, but the problem may actually be in your impact sockets. If they are cheesy and whored out so that they do not fit tightly on the lugnuts the play will suck the power of the impact gun up and even a good impact gun will not perform well. A cheap impact gun should take lugnuts off a 1/2 ton truck with no problem if the socket is good. I picked up one of the Harbor Freight 1/2" impact / 3/8" ratchet combos a while back when it was on a cheaper-than-dirt sale. When I first tried them they seemed a little under powered, but I figured they would at least save me some awkward hand cramping wrenching. A month or two later I had to do brakes and replace some brake line on my truck. I figured I'd give the HF wrenches a shot and amazingly enough they worked beautifully. It seemed that they needed a minute or two of use for the air motor vanes to seat or something, but after that they had plenty of power. The only fasteners that the HF impact wouldn't remove were the lug nuts, but they actually required me to use a 4" cheater pipe on my 3/4" drive ratchet with a lot of straining to remove (sounded like a damn gunshot when each one finally broke free) so I certainly can't blame the HF impact. Pete C. I bought a 1" HF impact wrench that seems to work fine. I have a few IR 3/4" wrenches and the better Husky HD 1/2" impact. The Husky is adequate for most tasks. |
#12
Posted to rec.crafts.metalworking
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impact wrench
I see a couple things that were done in this discussion that are big no
no's 1.140 Ft/lbs is over excessive pressures to apply to the studs ,all you need is 90 Ft/Lbs and when you do apply this pressure you do not use the power of the impact wrench to apply it ,it's fine to use the impact wrench to get the lugs down ,but to finish to tighten them you should use either a torque bar which is basically a short extension bar made from spring steel that has a predetermined torque rating that will cause the bar to twist when it gets to the torque rating and keep it from overtightening, any auto store has these in stock and are avaible thru sears and harbour freight and the second thing you can use is a torgue wrench which you can use either the click type or the old beam type ,I really recommend the click type . 2.Using anti seize is not to be used because it can cause the lug nuts to come loose and I have seen it happen ,the propper way to do this is when you have the lugs and wheel off take a wire brush (you can also use a wire wheel on a drill also)to your lugs and clean them up real good ,either use air or spray parts cleaner to remove the rust dust so you can inspect the lugs threads (don't use any spray that will leave a residual behind ) if there are any signs of excessive wear or you really cant tell just goto a parts store and ask them to show you a new lug so you can see the threads that will tell you right away if you need to replace the lugs or if they are ok ,and to check the lugnuts just spin them on the lugs by hand they should go on freely if they stop at all check them to make sure there are no foreign object in them or the threads are damaged , if damaged replace. Now when you are ready to put the wheel back on put the lugnuts on dry ,thats how they are intended to be put on so they got a good grip and lock down tight ,and before anyone starts flaming I have years of experience doing automotive work and an associates degree in auto diesel technology as well ,and you will not believe the times I have seen people put anti seize on lugs cause thats easier to do ,one time I actually pulled two lugnuts off a car with my barehand the other three didn't take very much to pull them off ,the only places that antiseize should be used is on spark plug threads and the sliders of the calipers and not the threads just the place the caliper slides on the bolts . Just remember antiseize is a lubricant and keeps things from sticking ,do you really want to use it on something your life depends on? hope this has been very helpful |
#13
Posted to rec.crafts.metalworking
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impact wrench
On Sat, 10 Dec 2005 19:46:37 -0500, "ATP*"
wrote: "habbi" wrote in message ... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks Campbell Hausfeld is trash, but the problem may actually be in your impact sockets. If they are cheesy and whored out so that they do not fit tightly on the lugnuts the play will suck the power of the impact gun up and even a good impact gun will not perform well. A cheap impact gun should take lugnuts off a 1/2 ton truck with no problem if the socket is good. Always hold the socket tight against against the flats of the nut in the direction you are wanting to spin it. This Sometimes helps. Gunner "Pax Americana is a philosophy. Hardly an empire. Making sure other people play nice and dont kill each other (and us) off in job lots is hardly empire building, particularly when you give them self determination under "play nice" rules. Think of it as having your older brother knock the **** out of you for torturing the cat." Gunner |
#14
Posted to rec.crafts.metalworking
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impact wrench
Well in my case I did use a 1/2" drive torque wrench which clicks at the
proper torque setting, I did what trucks manual says and set them to 140 ftlbs and I did use anti-seize, and the nuts won't come off and that is my problem. I have seen and experienced lug nuts coming loose on aluminum wheels and that was because they were not all evenly torqued and re-torqued after 100 miles or so. "badaztek" wrote in message ... I see a couple things that were done in this discussion that are big no no's 1.140 Ft/lbs is over excessive pressures to apply to the studs ,all you need is 90 Ft/Lbs and when you do apply this pressure you do not use the power of the impact wrench to apply it ,it's fine to use the impact wrench to get the lugs down ,but to finish to tighten them you should use either a torque bar which is basically a short extension bar made from spring steel that has a predetermined torque rating that will cause the bar to twist when it gets to the torque rating and keep it from overtightening, any auto store has these in stock and are avaible thru sears and harbour freight and the second thing you can use is a torgue wrench which you can use either the click type or the old beam type ,I really recommend the click type . 2.Using anti seize is not to be used because it can cause the lug nuts to come loose and I have seen it happen ,the propper way to do this is when you have the lugs and wheel off take a wire brush (you can also use a wire wheel on a drill also)to your lugs and clean them up real good ,either use air or spray parts cleaner to remove the rust dust so you can inspect the lugs threads (don't use any spray that will leave a residual behind ) if there are any signs of excessive wear or you really cant tell just goto a parts store and ask them to show you a new lug so you can see the threads that will tell you right away if you need to replace the lugs or if they are ok ,and to check the lugnuts just spin them on the lugs by hand they should go on freely if they stop at all check them to make sure there are no foreign object in them or the threads are damaged , if damaged replace. Now when you are ready to put the wheel back on put the lugnuts on dry ,thats how they are intended to be put on so they got a good grip and lock down tight ,and before anyone starts flaming I have years of experience doing automotive work and an associates degree in auto diesel technology as well ,and you will not believe the times I have seen people put anti seize on lugs cause thats easier to do ,one time I actually pulled two lugnuts off a car with my barehand the other three didn't take very much to pull them off ,the only places that antiseize should be used is on spark plug threads and the sliders of the calipers and not the threads just the place the caliper slides on the bolts . Just remember antiseize is a lubricant and keeps things from sticking ,do you really want to use it on something your life depends on? hope this has been very helpful |
#15
Posted to rec.crafts.metalworking
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impact wrench
Are you talking about adding oil to the air inlet? If so that makes sense
but my gun has an additional oil inlet which you have to remove a plug to get to, I assume this oil stays in the gun. "Jerry Foster" wrote in message . com... "habbi" wrote in message ... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks I have a CHEAP (HF) impact wrench and am well satisfied with it. I doubt it would stand up long under day in and day out use, but... Anyhow, a friend brought me his van that someone had nailed the lug nuts and he'd snapped a lug wrench trying to change a tire. The impact wrench pounded on a few of them for a while before they came, but they all loosened. (He then re-tightened them by hand to a more reasonable level...) I had a lug nut on my pickup that someone probably cross-threaded and then drove it home with an impact wrench. It wouldn't come for ANYTHING. We put a big impact wrench on it and snapped the stud (fortunately, studs are cheap and usually easy to replace...). As to you question about oil, two or three drops is usually enough. If you put in too much, it won't stay in it for long... The excess will come spraying out the tool exhaust and usually up your sleeve, in your face or in some other "convenient" place... Air tool oil is cheap and a properly oiled tool is a heck of a lot more powerful than one that is dry... Jerry |
#16
Posted to rec.crafts.metalworking
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impact wrench
"badaztek" wrote in message ... 2.Using anti seize is not to be used because it can cause the lug nuts to come loose and I have seen it happen It reduces the required torque but will not cause the nuts to come loose. Obviously there are plenty of applications that have lubricants on the threads and the nuts don't spin off. Quite a few tire mechanics use anti-seize on truck studs and the wheels aren't flying off all over the nation's highways. When the nut is torqued, the stud is elongated and the resulting tension is what keeps the lugnut on, not the friction against the threads. |
#17
Posted to rec.crafts.metalworking
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impact wrench
"badaztek" wrote in message ... I see a couple things that were done in this discussion that are big no no's 1.140 Ft/lbs is over excessive pressures to apply to the studs ,all you need is 90 Ft/Lbs and when you do apply this pressure you do not use the power of the impact wrench to apply it ,it's fine to use the impact wrench to get the lugs down ,but to finish to tighten them you should use either a torque bar which is basically a short extension bar made from spring steel that has a predetermined torque rating that will cause the bar to twist when it gets to the torque rating and keep it from overtightening, any auto store has these in stock and are avaible thru sears and harbour freight and the second thing you can use is a torgue wrench which you can use either the click type or the old beam type ,I really recommend the click type . 2.Using anti seize is not to be used because it can cause the lug nuts to come loose and I have seen it happen ,the propper way to do this is when you have the lugs and wheel off take a wire brush (you can also use a wire wheel on a drill also)to your lugs and clean them up real good ,either use air or spray parts cleaner to remove the rust dust so you can inspect the lugs threads (don't use any spray that will leave a residual behind ) if there are any signs of excessive wear or you really cant tell just goto a parts store and ask them to show you a new lug so you can see the threads that will tell you right away if you need to replace the lugs or if they are ok ,and to check the lugnuts just spin them on the lugs by hand they should go on freely if they stop at all check them to make sure there are no foreign object in them or the threads are damaged , if damaged replace. Now when you are ready to put the wheel back on put the lugnuts on dry ,thats how they are intended to be put on so they got a good grip and lock down tight ,and before anyone starts flaming I have years of experience doing automotive work and an associates degree in auto diesel technology as well ,and you will not believe the times I have seen people put anti seize on lugs cause thats easier to do ,one time I actually pulled two lugnuts off a car with my barehand the other three didn't take very much to pull them off ,the only places that antiseize should be used is on spark plug threads and the sliders of the calipers and not the threads just the place the caliper slides on the bolts . Just remember antiseize is a lubricant and keeps things from sticking ,do you really want to use it on something your life depends on? hope this has been very helpful "habbi" wrote in message ... Well in my case I did use a 1/2" drive torque wrench which clicks at the proper torque setting, I did what trucks manual says and set them to 140 ftlbs and I did use anti-seize, and the nuts won't come off and that is my problem. I have seen and experienced lug nuts coming loose on aluminum wheels and that was because they were not all evenly torqued and re-torqued after 100 miles or so. Your 140 foot-pounds with anti-seize = 160 or so if it were dry. Any lubricant will give a false reading on torque. Unless your manual stated 160 - 170 foot-pounds of torque, then you are off. |
#18
Posted to rec.crafts.metalworking
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impact wrench
Well in my case I did use a 1/2" drive torque wrench which clicks at the
proper torque setting, I did what trucks manual says and set them to 140 ftlbs and I did use anti-seize, and the nuts won't come off and that is my problem. I have seen and experienced lug nuts coming loose on aluminum wheels and that was because they were not all evenly torqued and re-torqued after 100 miles or so. Your 140 foot-pounds with anti-seize = 160 or so if it were dry. Any lubricant will give a false reading on torque. Unless your manual stated 160 - 170 foot-pounds of torque, then you are off. Here is a pretty good article on the subject. It appears the anti-seize is the worst. Who knows for sure how much tension is on these bolts? Might be as much as 210 foot-pound equivelant. http://tinyurl.com/8n2ft dennis in nca |
#19
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ATP* wrote:
"badaztek" wrote in message ... 2.Using anti seize is not to be used because it can cause the lug nuts to come loose and I have seen it happen It reduces the required torque but will not cause the nuts to come loose. Obviously there are plenty of applications that have lubricants on the threads and the nuts don't spin off. Quite a few tire mechanics use anti-seize on truck studs and the wheels aren't flying off all over the nation's highways. When the nut is torqued, the stud is elongated and the resulting tension is what keeps the lugnut on, not the friction against the threads. Er, that can't possibly be true, think ball screws which have very low friction on the threads and can be readily driven by axial loads. If the friction on the threads is reduced sufficiently by some lubricant, when coupled with the vibration and rolling stresses in the wheel it is quite likely that the lug nuts will slowly creep looser. What would usually prevent this is the tapered or flat seat against the wheel surface which people usually don't put the anti-seize on. The high friction coupled with the large surface area and large radius all combine to provide quite a bit of resistance to rotation. Pete C. |
#20
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impact wrench
140 ft pounds is a BIG number for standard 1/2" lug nuts. Normally these
are torqued to 90 ft pounds. At 140 you may not get them off. habbi wrote: Shouldn't be, when I put my summer tires on last april I put anti seize on the studs and torqued them to 140 ftlbs. The ones that came off still had anti-seize on the studs, no rust. "AL" wrote in message . .. Are you sure your lug nuts aren't rusted onto the studs? You can borrow, rent or buy a much more powerful impact wrench but you might end up just breaking off the stud. "habbi" wrote in message ... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks |
#21
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All I am saying is that is what the manufacturer wants. I agree, I checked a
few torque charts on the web for particular stud sizes and it is high compared to them but that is what they call for. "RoyJ" wrote in message ink.net... 140 ft pounds is a BIG number for standard 1/2" lug nuts. Normally these are torqued to 90 ft pounds. At 140 you may not get them off. habbi wrote: Shouldn't be, when I put my summer tires on last april I put anti seize on the studs and torqued them to 140 ftlbs. The ones that came off still had anti-seize on the studs, no rust. "AL" wrote in message . .. Are you sure your lug nuts aren't rusted onto the studs? You can borrow, rent or buy a much more powerful impact wrench but you might end up just breaking off the stud. "habbi" wrote in message ... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks |
#22
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"Pete C." wrote in message ... ATP* wrote: "badaztek" wrote in message ... 2.Using anti seize is not to be used because it can cause the lug nuts to come loose and I have seen it happen It reduces the required torque but will not cause the nuts to come loose. Obviously there are plenty of applications that have lubricants on the threads and the nuts don't spin off. Quite a few tire mechanics use anti-seize on truck studs and the wheels aren't flying off all over the nation's highways. When the nut is torqued, the stud is elongated and the resulting tension is what keeps the lugnut on, not the friction against the threads. Er, that can't possibly be true, think ball screws which have very low friction on the threads and can be readily driven by axial loads. If the friction on the threads is reduced sufficiently by some lubricant, when coupled with the vibration and rolling stresses in the wheel it is quite likely that the lug nuts will slowly creep looser. You're right. I should have said dry friction is not always necessary to hold a fastener on. A lubricated assembly will still resist turning when it's torqued down if there is sufficient torque. The bolt/stud is deformed (stretched by torquing down the nut). That's not the case in a free-running ball screw. The thread geometry is also different. What would usually prevent this is the tapered or flat seat against the wheel surface which people usually don't put the anti-seize on. The high friction coupled with the large surface area and large radius all combine to provide quite a bit of resistance to rotation. Pete C. I agree the amount of anti-seize should be very minimal and only applied to the stud. I think completely dry assembly, especially on older trucks, could lead to stud damage from the excessively high torque required to remove the lugnuts. http://euler9.tripod.com/fasteners/preload.html |
#23
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In article ,
"ATP*" wrote: "badaztek" wrote in message ... 2.Using anti seize is not to be used because it can cause the lug nuts to come loose and I have seen it happen It reduces the required torque but will not cause the nuts to come loose. Obviously there are plenty of applications that have lubricants on the threads and the nuts don't spin off. Quite a few tire mechanics use anti-seize on truck studs and the wheels aren't flying off all over the nation's highways. When the nut is torqued, the stud is elongated and the resulting tension is what keeps the lugnut on, not the friction against the threads. I always use wheel bearing grease on the studs, to prevent rusting. Grease doesn't really lubricate under such pressure when stationary. Never had one loosen, in 40 years. Or rust. Never tried anti-seize on wheel lugs. Nor does it seem necessary, given that ordinary grease works. What keeps the nut from backing off is mostly the rim bending, not just the stud stretching. In a steel rim, the area around each stud is hemispherical, a dome with a conical hole in the center. The lug nut has a conical front that jams into the conical hole, and as the nut is tightened, the dome becomes flatter as the metal deforms elastically. It's this spring action that maintains force on the lug nut, preventing creeping under vibration. The mechanical advantage of conical nut driven into conical hole also helps to raise the torque needed to override friction. The key is to have enough spring force over a great enough range of distances that the nut never escapes contact with the rim, preventing rotation. Even the slightest rotation will cause loosening over time. As for aluminum rims, I haven't looked closely at one, but there has to be a spring in there somewhere, and the stud probably isn't long enough to do the job by itself. The studs holding the head to the engine block are an example of studs long enough that elastic stretch of the studs is sufficient, but wheel rims aren't nearly that wide or precise. Joe Gwinn |
#24
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impact wrench
habbi wrote:
I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks Having used Campbell Hausfeld exclusively for a couple of years, I just bought an Ingersoll Rand 231HA. Now everything I tighten turns into shrapnel. Still learning how suddenly important the power control knob is. my advice is to go he http://robertstool.com:8091/index.pl/ira and spend 97.00 on one vs. 45.00 for the CH, you're getting 5 times the gun and power. |
#25
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Sapient reply.
Joseph Gwinn wrote: In article , "ATP*" wrote: "badaztek" wrote in message ... 2.Using anti seize is not to be used because it can cause the lug nuts to come loose and I have seen it happen It reduces the required torque but will not cause the nuts to come loose. Obviously there are plenty of applications that have lubricants on the threads and the nuts don't spin off. Quite a few tire mechanics use anti-seize on truck studs and the wheels aren't flying off all over the nation's highways. When the nut is torqued, the stud is elongated and the resulting tension is what keeps the lugnut on, not the friction against the threads. I always use wheel bearing grease on the studs, to prevent rusting. Grease doesn't really lubricate under such pressure when stationary. Never had one loosen, in 40 years. Or rust. Never tried anti-seize on wheel lugs. Nor does it seem necessary, given that ordinary grease works. What keeps the nut from backing off is mostly the rim bending, not just the stud stretching. In a steel rim, the area around each stud is hemispherical, a dome with a conical hole in the center. The lug nut has a conical front that jams into the conical hole, and as the nut is tightened, the dome becomes flatter as the metal deforms elastically. It's this spring action that maintains force on the lug nut, preventing creeping under vibration. The mechanical advantage of conical nut driven into conical hole also helps to raise the torque needed to override friction. The key is to have enough spring force over a great enough range of distances that the nut never escapes contact with the rim, preventing rotation. Even the slightest rotation will cause loosening over time. As for aluminum rims, I haven't looked closely at one, but there has to be a spring in there somewhere, and the stud probably isn't long enough to do the job by itself. The studs holding the head to the engine block are an example of studs long enough that elastic stretch of the studs is sufficient, but wheel rims aren't nearly that wide or precise. Joe Gwinn |
#26
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On Sun, 11 Dec 2005 09:31:06 -0500, "ATP*"
wrote: "badaztek" wrote in message ... 2.Using anti seize is not to be used because it can cause the lug nuts to come loose and I have seen it happen It reduces the required torque but will not cause the nuts to come loose. Obviously there are plenty of applications that have lubricants on the threads and the nuts don't spin off. Quite a few tire mechanics use anti-seize on truck studs and the wheels aren't flying off all over the nation's highways. When the nut is torqued, the stud is elongated and the resulting tension is what keeps the lugnut on, not the friction against the threads. Indeed. Ive been using anti-sieze for well over 40 yrs..and in all that time, on all manner of rolling stock..have never had a loose lug nut that was caused by anti- sieze. And my 110lb wife of 30 yrs can change any tire with a 4 way without flagging down a crew wagon. Gunner "Pax Americana is a philosophy. Hardly an empire. Making sure other people play nice and dont kill each other (and us) off in job lots is hardly empire building, particularly when you give them self determination under "play nice" rules. Think of it as having your older brother knock the **** out of you for torturing the cat." Gunner |
#27
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"Gunner Asch" wrote in message ... On Sun, 11 Dec 2005 09:31:06 -0500, "ATP*" wrote: "badaztek" wrote in message ... 2.Using anti seize is not to be used because it can cause the lug nuts to come loose and I have seen it happen It reduces the required torque but will not cause the nuts to come loose. Obviously there are plenty of applications that have lubricants on the threads and the nuts don't spin off. Quite a few tire mechanics use anti-seize on truck studs and the wheels aren't flying off all over the nation's highways. When the nut is torqued, the stud is elongated and the resulting tension is what keeps the lugnut on, not the friction against the threads. Indeed. Ive been using anti-sieze for well over 40 yrs..and in all that time, on all manner of rolling stock..have never had a loose lug nut that was caused by anti- sieze. And my 110lb wife of 30 yrs can change any tire with a 4 way without flagging down a crew wagon. Gunner The best tire shop I know uses it, and the owner's been installing tires and racing for a long time. All other things being equal though, lubricant on the studs is going to reduce the coefficient of friction and it would be easier for the nut to loosen. However I think most vehicles are designed with enough to spare that even with the reduced torque the nuts are not coming off on their own. If they are marginally engineered dry might be the only option. |
#28
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Habbi-
I've got a Chevy 1/2 ton that also has a left rear wheel I haven't been able to get off with a Ingersol-Rand 1/2" impact wrench. The right rear came off, but only after a lot of time with full force on the impact. The last time the wheels were torqued was at a tire shop, so they may have hit them too hard in my case. However, I have aluminum wheels on my truck and I'm wondering if an interaction between the steel lug nuts and aluminum wheels has caused them to "corrode weld" together, does your truck have aluminum wheels also? Paul T. |
#29
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#30
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"ATP*" wrote in message
... 2.Using anti seize is not to be used because it can cause the lug nuts to come loose and I have seen it happen It reduces the required torque but will not cause the nuts to come loose. Obviously there are plenty of applications that have lubricants on the threads and the nuts don't spin off. Quite a few tire mechanics use anti-seize on truck studs and the wheels aren't flying off all over the nation's highways. When the nut is torqued, the stud is elongated and the resulting tension is what keeps the lugnut on, not the friction against the threads. Indeed. Ive been using anti-sieze for well over 40 yrs..and in all that time, on all manner of rolling stock..have never had a loose lug nut that was caused by anti- sieze. And my 110lb wife of 30 yrs can change any tire with a 4 way without flagging down a crew wagon. Gunner The best tire shop I know uses it, and the owner's been installing tires and racing for a long time. All other things being equal though, lubricant on the studs is going to reduce the coefficient of friction and it would be easier for the nut to loosen. However I think most vehicles are designed with enough to spare that even with the reduced torque the nuts are not coming off on their own. If they are marginally engineered dry might be the only option. one time i had a problem with the brake drums on my nissan pick up sticking SO tightly, instead of wailing on them with a sledge hammer to get them off, i cut them in half with an angle grinder to get them off. determined to never have that happen again i put silicone gasket sealer on the mating surfaces, figured it would be a bad idea to put anti-seize or grease on a brake drum. it seemed to work ok the next time i had to take the brake drums off. (i also tapped two holes into the drum to run two bolts into to push against the axle and act like a "remover") i'm wondering if instead of grease or anti-seize would it be acceptable to use silicone gasket sealer on the lug nuts/studs so it won't "lubricate" the bolts but would, hopefully, keep the water out to prevent corrosion. b.w. |
#31
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impact wrench
On Sun, 11 Dec 2005 18:46:22 -0800, "Paul T."
wrote: The last time the wheels were torqued was at a tire shop, so they may have hit them too hard in my case. Change your tyre shop, no air tools are permitted where I go. All nuts are tightened by hand with a 4 way. Also I get free rotation and balancing for the life of the tyre, will go in after new year for my 90,000 km change, I will certainly get over 100k from this set. Matthew (owner) has trebled his workforce in the 10 years I have known him because of his emphasis on customer service and satisfaction. Had to go there today to get a new tube for the tractor front wheel. $18 Oz, fitted, - as the rim was a bit rusty it was sandblasted and fitted with new rim seal for that price. Alan in beautiful Golden Bay, Western Oz, South 32.25.42, East 115.45.44 GMT+8 VK6 YAB ICQ 6581610 to reply, change oz to au in address |
#33
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impact wrench
On Sun, 11 Dec 2005 13:09:58 GMT, "habbi"
wrote: "Jerry Foster" wrote in message .com... "habbi" wrote in message ... Would you guys using Outhouse Express please watch how the quotes are getting mangled? Turn off word wrap for quoted text, or turn it off totally and wrap by hand... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks I have a CHEAP (HF) impact wrench and am well satisfied with it. I doubt it would stand up long under day in and day out use, but... But if you were using it all day, every day, you could spring for a pro-level gun from Ingersoll-Rand or such. The decent cheapies will live a long time in weekend service if properly cared for. Anyhow, a friend brought me his van that someone had nailed the lug nuts and he'd snapped a lug wrench trying to change a tire. The impact wrench pounded on a few of them for a while before they came, but they all loosened. (He then re-tightened them by hand to a more reasonable level...) I had a lug nut on my pickup that someone probably cross- threaded and then drove it home with an impact wrench. It wouldn't come for ANYTHING. We put a big impact wrench on it and snapped the stud (fortunately, studs are cheap and usually easy to replace...). If a gorilla at the tire store cranks them on to 100 yard-tons ;-) with a Pro gun, they are not going to budge without a similar force being exerted to loosen - that or a 'hot wrench' or a nutcracker. As to you question about oil, two or three drops is usually enough. If you put in too much, it won't stay in it for long... The excess will come spraying out the tool exhaust and usually up your sleeve, in your face or in some other "convenient" place... Air tool oil is cheap and a properly oiled tool is a heck of a lot more powerful than one that is dry... Are you talking about adding oil to the air inlet? If so that makes sense but my gun has an additional oil inlet which you have to remove a plug to get to, I assume this oil stays in the gun. The oil that goes in the air inlet line is to lubricate the air motor section, and is a 'total loss' system - the oil will be carried out the exhaust. If you want to forget about adding a few drops of oil each use you can run a mist oiler in-line, but be sure to keep the tool hoses (with the oil residue inside) separate from the car painting hoses where oil in the air is a Very Bad Thing. The "OIL" plug on the front of the gun is for the reduction gear section and probably the hammer system. It's supposed to be sealed inside, but as we all know "Leakproof Seals Will." For the type and weight oil in the gearbox, and how much you need to add, Read The Friendly Manual for the maintenance instructions... They're probably he http://www.chpower.com/index.asp -- Bruce -- -- Bruce L. Bergman, Woodland Hills (Los Angeles) CA - Desktop Electrician for Westend Electric - CA726700 5737 Kanan Rd. #359, Agoura CA 91301 (818) 889-9545 Spamtrapped address: Remove the python and the invalid, and use a net. |
#34
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impact wrench
I went to the CH site and the instructions for my gun show a picture of
where the "oil plug" is and that is it, no more mention of it anywhere. "Bruce L. Bergman" wrote in message ... On Sun, 11 Dec 2005 13:09:58 GMT, "habbi" wrote: "Jerry Foster" wrote in message .com... "habbi" wrote in message ... Would you guys using Outhouse Express please watch how the quotes are getting mangled? Turn off word wrap for quoted text, or turn it off totally and wrap by hand... I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks I have a CHEAP (HF) impact wrench and am well satisfied with it. I doubt it would stand up long under day in and day out use, but... But if you were using it all day, every day, you could spring for a pro-level gun from Ingersoll-Rand or such. The decent cheapies will live a long time in weekend service if properly cared for. Anyhow, a friend brought me his van that someone had nailed the lug nuts and he'd snapped a lug wrench trying to change a tire. The impact wrench pounded on a few of them for a while before they came, but they all loosened. (He then re-tightened them by hand to a more reasonable level...) I had a lug nut on my pickup that someone probably cross- threaded and then drove it home with an impact wrench. It wouldn't come for ANYTHING. We put a big impact wrench on it and snapped the stud (fortunately, studs are cheap and usually easy to replace...). If a gorilla at the tire store cranks them on to 100 yard-tons ;-) with a Pro gun, they are not going to budge without a similar force being exerted to loosen - that or a 'hot wrench' or a nutcracker. As to you question about oil, two or three drops is usually enough. If you put in too much, it won't stay in it for long... The excess will come spraying out the tool exhaust and usually up your sleeve, in your face or in some other "convenient" place... Air tool oil is cheap and a properly oiled tool is a heck of a lot more powerful than one that is dry... Are you talking about adding oil to the air inlet? If so that makes sense but my gun has an additional oil inlet which you have to remove a plug to get to, I assume this oil stays in the gun. The oil that goes in the air inlet line is to lubricate the air motor section, and is a 'total loss' system - the oil will be carried out the exhaust. If you want to forget about adding a few drops of oil each use you can run a mist oiler in-line, but be sure to keep the tool hoses (with the oil residue inside) separate from the car painting hoses where oil in the air is a Very Bad Thing. The "OIL" plug on the front of the gun is for the reduction gear section and probably the hammer system. It's supposed to be sealed inside, but as we all know "Leakproof Seals Will." For the type and weight oil in the gearbox, and how much you need to add, Read The Friendly Manual for the maintenance instructions... They're probably he http://www.chpower.com/index.asp -- Bruce -- -- Bruce L. Bergman, Woodland Hills (Los Angeles) CA - Desktop Electrician for Westend Electric - CA726700 5737 Kanan Rd. #359, Agoura CA 91301 (818) 889-9545 Spamtrapped address: Remove the python and the invalid, and use a net. |
#35
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Yes it has the aluminum wheels, I tried my father in laws gun which is rated
at 425ftlbs and they came off with it agian mine was only rated at 380 ftlbs. "Paul T." wrote in message ... Habbi- I've got a Chevy 1/2 ton that also has a left rear wheel I haven't been able to get off with a Ingersol-Rand 1/2" impact wrench. The right rear came off, but only after a lot of time with full force on the impact. The last time the wheels were torqued was at a tire shop, so they may have hit them too hard in my case. However, I have aluminum wheels on my truck and I'm wondering if an interaction between the steel lug nuts and aluminum wheels has caused them to "corrode weld" together, does your truck have aluminum wheels also? Paul T. |
#36
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impact wrench
I had a HF cheapo that worked for most things, but would not loosen lug nuts
for anything. It was rated at "Max 260 Foot Pounds of torque". After a few years, I gave it to my son and bought a used Ingersol Rand wrench that was rated at "450 Foot Pounds". Same thing. I took the IR apart, figuring that something must be wrong inside, but it was clean as a whistle with no apparent wear. The only thing I can figure out is that I have too much hose on my shop setup. Either wrench was fine for tightening lug nuts up, but neither would loosen them. I always have to use a breaker bar. I was really surprised that the IR wouldn't work better. -- Bob (Chief Pilot, White Knuckle Airways) wrote in message oups.com... habbi wrote: I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks Having used Campbell Hausfeld exclusively for a couple of years, I just bought an Ingersoll Rand 231HA. Now everything I tighten turns into shrapnel. Still learning how suddenly important the power control knob is. my advice is to go he http://robertstool.com:8091/index.pl/ira and spend 97.00 on one vs. 45.00 for the CH, you're getting 5 times the gun and power. |
#37
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On Mon, 12 Dec 2005 18:50:33 -0500, "Bob Chilcoat"
wrote: I had a HF cheapo that worked for most things, but would not loosen lug nuts for anything. It was rated at "Max 260 Foot Pounds of torque". After a few years, I gave it to my son and bought a used Ingersol Rand wrench that was rated at "450 Foot Pounds". Same thing. I took the IR apart, figuring that something must be wrong inside, but it was clean as a whistle with no apparent wear. The only thing I can figure out is that I have too much hose on my shop setup. Either wrench was fine for tightening lug nuts up, but neither would loosen them. I always have to use a breaker bar. I was really surprised that the IR wouldn't work better. One thing that people miss is the fact that many 1/2" impacts call for a 1/2" hose. That and the standard quick coupling used is just like adding a flow control. In the average situation with 3/8" hose and quick couplings you'll have to run a higher pressure than the gun is rated for just to get the rated pressure at the gun when it's running. Wayne Cook Shamrock, TX http://members.dslextreme.com/users/waynecook/index.htm |
#38
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Wayne said:
One thing that people miss is the fact that many 1/2" impacts call for a 1/2" hose. That and the standard quick coupling used is just like adding a flow control. In the average situation with 3/8" hose and quick couplings you'll have to run a higher pressure than the gun is rated for just to get the rated pressure at the gun when it's running. The way to check this is by the pressure drop. Put a pressure gage at the end of the air delivery line at, or near, the gun (or screwdriver, etc.) and observe the difference between pressure at rest and pressure running. On a well designed and operating system you should see very little difference. I'd tell my customers if they saw 5 pounds or higher drop they needed to attend to either the capacity of the compressor or the diameter of the air lines (etc.) for the machine. It was surprising to me how many problems were "restriction" related on machines which previously had no such problem. dennis in nca |
#39
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impact wrench
On 12 Dec 2005 21:55:09 -0800, with neither quill nor qualm, "rigger"
quickly quoth: Wayne said: One thing that people miss is the fact that many 1/2" impacts call for a 1/2" hose. That and the standard quick coupling used is just like adding a flow control. In the average situation with 3/8" hose and quick couplings you'll have to run a higher pressure than the gun is rated for just to get the rated pressure at the gun when it's running. The way to check this is by the pressure drop. Put a pressure gage at the end of the air delivery line at, or near, the gun (or screwdriver, etc.) and observe the difference between pressure at rest and pressure running. On a well designed and operating system you should see very little difference. I'd tell my customers if they saw 5 pounds or higher drop they needed to attend to either the capacity of the compressor or the diameter of the air lines (etc.) for the machine. It was surprising to me how many problems were "restriction" related on machines which previously had no such problem. Like the guy on a 25hp system capable of 75 CFM through a 1.5" main line coupled to a 100' 3/8" air hose and ending with a 1/4" 90° angle whip. Why was the whip there for use with his 3/4" impact wrench at a truck tire shop? "It's lighter." thud - They who know the truth are not equal to those who love it. -Confucius --- http://diversify.com Comprehensive Website Programming Services |
#40
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impact wrench
In article ,
"habbi" wrote: I have what I thought was a decent quality cambell hausfeld 1/2" gun which is rated at 380 ftlbs. All fitting are 1/4" M style and hose is 25' 3/8" ID. It will not remove my lug nuts from my chev 1/2 ton truck. I tried pressures from 90 up to 120 psi with no luck. It removed a few of them but some will not loosen at all. I am using 1/2" drive impact sockets as well. Anyway are these guns over rated, it is made in Taiwan. I noticed some ingersoll rand and even sears brands rated up to 600-700 ftlbs, is this what I need. I tried a friends Chicago pneumatic and it would not spin the nuts either. Also there is an Allen set screw type plug in the side of the gun and it says oil, how do you know how much to put in? Thanks One thing about impact guns is that a loose/worn socket or a worn nut will cause a lot of bounce. You'll jiggle the socket around a whole lot, and get it warm, but never get anywhere. A way to counteract it is to violate the safety warnings and grab the socket by hand (I wear a leather glove while doing it) and manually twisting it and holding it in the direction you want to go. Then hammer on it. That way you'll get the most force directly into the fastener when the hammer hits. More air pressure actually won't get you that much more kick out of an impact. It'll just deplete your air tank more quickly and be louder. I own some Ingersoll-Rand impacts, but plan to migrate over to Chicago Pneumatic eventually. But either brand is better than the walmart brand if you need the extra force. -- B.B. --I am not a goat! thegoat4 at airmail dot net |
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