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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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Well, that took too long...
Tim Wescott wrote:
Just to show that real metalworking discussion happens on this group, I'm happy to report that I took a pulley off a power steering pump today -- after much too much time. Problem: Swap-meet pump has brackets that don't fit, and a stud that some @#$% gorilla has apparently torched off. I spent about a year being discouraged by the whole project, thinking I was going to have to build brackets. All this so that I can announce to the world that I'm a wimp who needs power steering. (SWMBO says "power steering is a must". Doesn't she know that armstrong steering is manly? Doesn't she care? What does she mean she's 5' 2" and can barely reach the pedals -- doesn't she know that power steering on a '63 Suburban isn't ORIGINAL**???) But I was visiting my brother's storage shop a while back, and noticed that one of the old Chevy small blocks that he keeps for rebuildable cores has just exactly the right brackets to fit on the 327 that's in the old Suburban that I'm restoring. "Hey Karl -- can I have that there piece of junk that's hanging off your old engine*". The pulley's obviously been bent in a collision, but the bracketry -- ooh, hold me back. But I hit a snag. After happily bringing home the Pump That Will Fit The Engine, and assessing the situation, I decide I need to swap pulleys. I can't just put the swap meet pump into the good brackets because of the former owner, gorilla mechanic. So the pulleys have to be swapped. I'm encouraged by the fact that the poor old swap meet pump has a pulley that comes right off, no problem -- but then I try the Other One. Crap. Not only is it bent, but it's stuck and stuck good. What to do? RCM to the rescue! Solution: So, penetrating oil, bang lightly with a hammer (until I bung up the threads a bit -- oops, better stop now), more oil, try a gear puller (wow, those pulleys sure do bend easily!). Finally get around to the real deal today -- hit the pulley hub with a rosebud. I had to get that frigging thing up to heat almost to the point where it glowed. And I expected that it'd just go "BANG!" and toss my gear puller halfway across the room from relieved tension. Oh no. Put on the rosebud, get it up to heat -- "tick, tick". Put rosebud on other side "tick, tick, tick". Tighten gear puller, repeat -- half a dozen @#$% times. Finally it's off, and the gear puller does _not_ win the unintentionally self-propelled tool distance award. Gunner will yawn, and say that he has to do that at least once a week, and sometimes he has far worse to contend with. I'm sure he does -- but this was irritating enough for me. Anyway, now I have a power steering pump that'll fit my engine, and a crank pulley. Since the steering box is already on***, that means that I just have to figure out how to get hoses built, and I'll have power steering! Yay! Too bad the rest of the truck is a disaster****. Group involvement: All the times that someone said "Use Kroil, and if that doesn't work, bang on it, and if that doesn't work heat it up good an hot". All of which I knew, of course, but some people need the repetition to actually go out and do something. * Bargaining tip #1. Never, ever, look at something, say WHOA! THAT'S WHAT I NEED! and fall on the floor foaming at the mouth. Even if the owner is your brother. _Especially_ if the owner is _my_ brother. "I'll take that smelly piece of **** off your hands for free, Karl." is always the right approach to take with him. ** Alas, she knows that a 327 with a 4 barrel isn't original, either. *** And that's a saga in itself -- there's a kit for that, whose directions I followed and whose templates I trustingly used -- only to find that it puts the box at the wrong angle; So toss _that_ POS, and just keep the steering shaft adapter. Not all unworkable crap comes from China! **** The former owner -- the one who put in the 327, the Volkwagen van seats, and the radiator from god only knows what, was obviously convinced that he was a mechanical genius. I'm not so sure of that. If this is a normal GM pump you might have asked. I probably have half a dozen laying around here. Oh and I think the earliest pump I have is a Saginaw from a 60? Wagon. As to pulling the pulley there is a proper puller for them. It is a collar style unit with a HEAVY screw in the center that pulls all the way around at once. The gear pullers usually cause the hub to actually squeeze in onto the shaft and hinder removal. OH and if you heated it red hot, plan on rebuilding the pump with new seals. They really don't like that kind of heat. Hoses are easy, NAPA or most farm supply places can make the ones you need. You only need a high pressure line on the output side to the box. The return line just dumps back into the sump. Normal clamps will work on that side. -- Steve W. |
#2
Posted to rec.crafts.metalworking
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Well, that took too long...
On 01/08/2011 08:07 PM, Steve W. wrote:
Tim Wescott wrote: Just to show that real metalworking discussion happens on this group, I'm happy to report that I took a pulley off a power steering pump today -- after much too much time. Problem: Swap-meet pump has brackets that don't fit, and a stud that some @#$% gorilla has apparently torched off. I spent about a year being discouraged by the whole project, thinking I was going to have to build brackets. All this so that I can announce to the world that I'm a wimp who needs power steering. (SWMBO says "power steering is a must". Doesn't she know that armstrong steering is manly? Doesn't she care? What does she mean she's 5' 2" and can barely reach the pedals -- doesn't she know that power steering on a '63 Suburban isn't ORIGINAL**???) But I was visiting my brother's storage shop a while back, and noticed that one of the old Chevy small blocks that he keeps for rebuildable cores has just exactly the right brackets to fit on the 327 that's in the old Suburban that I'm restoring. "Hey Karl -- can I have that there piece of junk that's hanging off your old engine*". The pulley's obviously been bent in a collision, but the bracketry -- ooh, hold me back. But I hit a snag. After happily bringing home the Pump That Will Fit The Engine, and assessing the situation, I decide I need to swap pulleys. I can't just put the swap meet pump into the good brackets because of the former owner, gorilla mechanic. So the pulleys have to be swapped. I'm encouraged by the fact that the poor old swap meet pump has a pulley that comes right off, no problem -- but then I try the Other One. Crap. Not only is it bent, but it's stuck and stuck good. What to do? RCM to the rescue! Solution: So, penetrating oil, bang lightly with a hammer (until I bung up the threads a bit -- oops, better stop now), more oil, try a gear puller (wow, those pulleys sure do bend easily!). Finally get around to the real deal today -- hit the pulley hub with a rosebud. I had to get that frigging thing up to heat almost to the point where it glowed. And I expected that it'd just go "BANG!" and toss my gear puller halfway across the room from relieved tension. Oh no. Put on the rosebud, get it up to heat -- "tick, tick". Put rosebud on other side "tick, tick, tick". Tighten gear puller, repeat -- half a dozen @#$% times. Finally it's off, and the gear puller does _not_ win the unintentionally self-propelled tool distance award. Gunner will yawn, and say that he has to do that at least once a week, and sometimes he has far worse to contend with. I'm sure he does -- but this was irritating enough for me. Anyway, now I have a power steering pump that'll fit my engine, and a crank pulley. Since the steering box is already on***, that means that I just have to figure out how to get hoses built, and I'll have power steering! Yay! Too bad the rest of the truck is a disaster****. Group involvement: All the times that someone said "Use Kroil, and if that doesn't work, bang on it, and if that doesn't work heat it up good an hot". All of which I knew, of course, but some people need the repetition to actually go out and do something. * Bargaining tip #1. Never, ever, look at something, say WHOA! THAT'S WHAT I NEED! and fall on the floor foaming at the mouth. Even if the owner is your brother. _Especially_ if the owner is _my_ brother. "I'll take that smelly piece of **** off your hands for free, Karl." is always the right approach to take with him. ** Alas, she knows that a 327 with a 4 barrel isn't original, either. *** And that's a saga in itself -- there's a kit for that, whose directions I followed and whose templates I trustingly used -- only to find that it puts the box at the wrong angle; So toss _that_ POS, and just keep the steering shaft adapter. Not all unworkable crap comes from China! **** The former owner -- the one who put in the 327, the Volkwagen van seats, and the radiator from god only knows what, was obviously convinced that he was a mechanical genius. I'm not so sure of that. If this is a normal GM pump you might have asked. I probably have half a dozen laying around here. Oh and I think the earliest pump I have is a Saginaw from a 60? Wagon. As to pulling the pulley there is a proper puller for them. It is a collar style unit with a HEAVY screw in the center that pulls all the way around at once. The gear pullers usually cause the hub to actually squeeze in onto the shaft and hinder removal. OH and if you heated it red hot, plan on rebuilding the pump with new seals. They really don't like that kind of heat. Hoses are easy, NAPA or most farm supply places can make the ones you need. You only need a high pressure line on the output side to the box. The return line just dumps back into the sump. Normal clamps will work on that side. The pump in question has already been through some incident that was severe enough to bend its pulley into uselessness, and a couple of decades sitting in a dusty, unheated shop with its hoses cut off -- I figured it as a core no matter what. I'll try my local NAPA (or my even localler tractor repair place) and see about the pressure side hoses -- the parts house I usually go to suggested a place 18 miles away, but there's a NAPA right across the street from them. -- Tim Wescott Wescott Design Services http://www.wescottdesign.com Do you need to implement control loops in software? "Applied Control Theory for Embedded Systems" was written for you. See details at http://www.wescottdesign.com/actfes/actfes.html |
#3
Posted to rec.crafts.metalworking
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Well, that took too long...
On Jan 8, 9:07*pm, "Steve W." wrote:
Tim Wescott wrote: Just to show that real metalworking discussion happens on this group, I'm happy to report that I took a pulley off a power steering pump today -- after much too much time. Problem: Swap-meet pump has brackets that don't fit, and a stud that some @#$% gorilla has apparently torched off. *I spent about a year being discouraged by the whole project, thinking I was going to have to build brackets. *All this so that I can announce to the world that I'm a wimp who needs power steering. (SWMBO says "power steering is a must". *Doesn't she know that armstrong steering is manly? *Doesn't she care? *What does she mean she's 5' 2" and can barely reach the pedals -- doesn't she know that power steering on a '63 Suburban isn't ORIGINAL**???) But I was visiting my brother's storage shop a while back, and noticed that one of the old Chevy small blocks that he keeps for rebuildable cores has just exactly the right brackets to fit on the 327 that's in the old Suburban that I'm restoring. *"Hey Karl -- can I have that there piece of junk that's hanging off your old engine*". *The pulley's obviously been bent in a collision, but the bracketry -- ooh, hold me back. But I hit a snag. *After happily bringing home the Pump That Will Fit The Engine, and assessing the situation, I decide I need to swap pulleys. *I can't just put the swap meet pump into the good brackets because of the former owner, gorilla mechanic. *So the pulleys have to be swapped. *I'm encouraged by the fact that the poor old swap meet pump has a pulley that comes right off, no problem -- but then I try the Other One. *Crap. *Not only is it bent, but it's stuck and stuck good. What to do? *RCM to the rescue! Solution: So, penetrating oil, bang lightly with a hammer (until I bung up the threads a bit -- oops, better stop now), more oil, try a gear puller (wow, those pulleys sure do bend easily!). *Finally get around to the real deal today -- hit the pulley hub with a rosebud. I had to get that frigging thing up to heat almost to the point where it glowed. *And I expected that it'd just go "BANG!" and toss my gear puller halfway across the room from relieved tension. *Oh no. *Put on the rosebud, get it up to heat -- "tick, tick". *Put rosebud on other side "tick, tick, tick". *Tighten gear puller, repeat -- half a dozen @#$% times. *Finally it's off, and the gear puller does _not_ win the unintentionally self-propelled tool distance award. Gunner will yawn, and say that he has to do that at least once a week, and sometimes he has far worse to contend with. *I'm sure he does -- but this was irritating enough for me. Anyway, now I have a power steering pump that'll fit my engine, and a crank pulley. *Since the steering box is already on***, that means that I just have to figure out how to get hoses built, and I'll have power steering! *Yay! *Too bad the rest of the truck is a disaster****. Group involvement: All the times that someone said "Use Kroil, and if that doesn't work, bang on it, and if that doesn't work heat it up good an hot". *All of which I knew, of course, but some people need the repetition to actually go out and do something. * Bargaining tip #1. *Never, ever, look at something, say WHOA! THAT'S WHAT I NEED! and fall on the floor foaming at the mouth. *Even if the owner is your brother. *_Especially_ if the owner is _my_ brother. "I'll take that smelly piece of **** off your hands for free, Karl." is always the right approach to take with him. ** Alas, she knows that a 327 with a 4 barrel isn't original, either. *** And that's a saga in itself -- there's a kit for that, whose directions I followed and whose templates I trustingly used -- only to find that it puts the box at the wrong angle; So toss _that_ POS, and just keep the steering shaft adapter. *Not all unworkable crap comes from China! **** The former owner -- the one who put in the 327, the Volkwagen van seats, and the radiator from god only knows what, was obviously convinced that he was a mechanical genius. *I'm not so sure of that. If this is a normal GM pump you might have asked. I probably have half a dozen laying around here. Oh and I think the earliest pump I have is a Saginaw from a 60? Wagon. As to pulling the pulley there is a proper puller for them. It is a collar style unit with a HEAVY screw in the center that pulls all the way around at once. The gear pullers usually cause the hub to actually squeeze in onto the shaft and hinder removal. OH and if you heated it red hot, plan on rebuilding the pump with new seals. They really don't like that kind of heat. Hoses are easy, NAPA or most farm supply places can make the ones you need. You only need a high pressure line on the output side to the box. The return line just dumps back into the sump. Normal clamps will work on that side. -- Steve W.- Hide quoted text - - Show quoted text - If it's like a Ford pump, this: http://www.harborfreight.com/pulley-...set-40749.html works. Picked mine up for about $8 years back, price has grown considerably. I've seen results of a number of unsuccessful attempts at pulling a power steering pump in the U-Pull-It, usually you HAVE to get the pulley off before the pump bolts can be accessed. If you pound on a Ford pump shaft, usually you've just made some scrap. With the right tool, the pulley just slides off. Same deal with putting it back on, it has to be pressed from the front using a bolt, nut and washer, using an arbor press results in scrap, ditto hammer. Shaft end is threaded for the bolt. I'll second the Autozone loaner tool program, I had to get a number of specialty tools for pulling down the clutch on an AC compressor, they had what I needed. Total retail on the tools was somewhere around $350, cost me nothing when I finished with them. Stan |
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