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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
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Pressure light and auto shutoff
I've found what is causing my pressure warning light problem. The
moisture filter I purchased with the cutter gets waterlogged after 30 to 45 min of continuous cutting. I have to pull out the ceramic filter and blow it out with air. I am going to purchase a backup filter and switch it out when the pressure light goes on. Good luck. |
#2
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Pressure light and auto shutoff
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#3
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Pressure light and auto shutoff
Jcoyote wrote:
I've found what is causing my pressure warning light problem. The moisture filter I purchased with the cutter gets waterlogged after 30 to 45 min of continuous cutting. I have to pull out the ceramic filter and blow it out with air. I am going to purchase a backup filter and switch it out when the pressure light goes on. Good luck. Trucks with air brake systems, at least here in Europe I would expect the US to do similar, use dessicant dryers and have automatic purge cycles to blow the collected water out of the dessicant. The systems have a separate small purge tank used for the blow down. A mate used to work for a company that designed air brakes and I have an air dryer that one day may be plumbed into my air system, a number of compressors as well although they are mostly water cooled and require a pressure oil feed, easy when connected to a big diesel engine. Maybe you can rig a similar system with your filters. |
#5
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Pressure light and auto shutoff
On Tue, 14 Sep 2010 12:26:35 -0500, "Lloyd E. Sponenburgh"
lloydspinsidemindspring.com wrote: Jcoyote fired this volley in news:453bbb94- : The moisture filter I purchased with the cutter gets waterlogged after 30 to 45 min of continuous cutting. You probably need a bigger water separator ahead of that unit. A dryer isn't always necessary, but a big honkin' coalescing separator might do the trick. We have a lot of humidity here in Florida, so I spent a few bucks (much less than a dryer, though), and ran an 80' length of 3/4" iron pipe along one wall of the barn, tilted to about, oh, an inch per foot. I have a small collector tank at the low end with a drain, and the house supply takes off the top end. I never (ever) get any liquid water at the equipment end, but sometimes several quarts a day out of the drip tank. I had a coalescing filter at the compressor outlet, but the bowl was too small, and it got saturated often. I find that with all the goo that grows in warm, wet air lines, the float-actuated automatic drains aren't all that reliable -- most have tiny drain valve openings. Some day, maybe I'll get a timer-driven drain with a big enough valve to bleed out the rats'n'bats, too. Iffen you're getting rats'n'bats in the output, perhaps it's time to check your -intake- filtering, too, Lloyd. chortle -- Not merely an absence of noise, Real Silence begins when a reasonable being withdraws from the noise in order to find peace and order in his inner sanctuary. -- Peter Minard |
#6
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Pressure light and auto shutoff
On Wed, 15 Sep 2010 08:18:01 -0700, Larry Jaques
wrote: On Tue, 14 Sep 2010 12:26:35 -0500, "Lloyd E. Sponenburgh" lloydspinsidemindspring.com wrote: Jcoyote fired this volley in news:453bbb94- : The moisture filter I purchased with the cutter gets waterlogged after 30 to 45 min of continuous cutting. You probably need a bigger water separator ahead of that unit. A dryer isn't always necessary, but a big honkin' coalescing separator might do the trick. We have a lot of humidity here in Florida, so I spent a few bucks (much less than a dryer, though), and ran an 80' length of 3/4" iron pipe along one wall of the barn, tilted to about, oh, an inch per foot. I have a small collector tank at the low end with a drain, and the house supply takes off the top end. I never (ever) get any liquid water at the equipment end, but sometimes several quarts a day out of the drip tank. I had a coalescing filter at the compressor outlet, but the bowl was too small, and it got saturated often. I find that with all the goo that grows in warm, wet air lines, the float-actuated automatic drains aren't all that reliable -- most have tiny drain valve openings. Some day, maybe I'll get a timer-driven drain with a big enough valve to bleed out the rats'n'bats, too. Iffen you're getting rats'n'bats in the output, perhaps it's time to check your -intake- filtering, too, Lloyd. chortle VBG Which does bring to mind..what is a good filter for an air compressor? Mine all have 1.5" input ports..so what is a good long term filter unit? Gunner I am the Sword of my Family and the Shield of my Nation. If sent, I will crush everything you have built, burn everything you love, and kill every one of you. (Hebrew quote) |
#7
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Pressure light and auto shutoff
Gunner Asch fired this volley in
: Which does bring to mind..what is a good filter for an air compressor? Mine all have 1.5" input ports..so what is a good long term filter unit? Gunner Gunny, I built my own compressor. The pump didn't have any elements in the filter cans, so I built a new "collector" can with a K&N automotive filter, and two output lines to the two first-stage cylinders. It's so big I don't have to clean it any more often than about once every six months. LLoyd |
#8
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Pressure light and auto shutoff
On Wed, 15 Sep 2010 08:43:00 -0700, Gunner Asch
wrote: On Wed, 15 Sep 2010 08:18:01 -0700, Larry Jaques wrote: On Tue, 14 Sep 2010 12:26:35 -0500, "Lloyd E. Sponenburgh" lloydspinsidemindspring.com wrote: Jcoyote fired this volley in news:453bbb94- : The moisture filter I purchased with the cutter gets waterlogged after 30 to 45 min of continuous cutting. You probably need a bigger water separator ahead of that unit. A dryer isn't always necessary, but a big honkin' coalescing separator might do the trick. We have a lot of humidity here in Florida, so I spent a few bucks (much less than a dryer, though), and ran an 80' length of 3/4" iron pipe along one wall of the barn, tilted to about, oh, an inch per foot. I have a small collector tank at the low end with a drain, and the house supply takes off the top end. I never (ever) get any liquid water at the equipment end, but sometimes several quarts a day out of the drip tank. I had a coalescing filter at the compressor outlet, but the bowl was too small, and it got saturated often. I find that with all the goo that grows in warm, wet air lines, the float-actuated automatic drains aren't all that reliable -- most have tiny drain valve openings. Some day, maybe I'll get a timer-driven drain with a big enough valve to bleed out the rats'n'bats, too. Iffen you're getting rats'n'bats in the output, perhaps it's time to check your -intake- filtering, too, Lloyd. chortle VBG Which does bring to mind..what is a good filter for an air compressor? Mine all have 1.5" input ports..so what is a good long term filter unit? AFTER all the baffling and/or muffling which keeps the noise down (an absolute MUST in my book) one of these would look nice: http://fwd4.me/eNI Don't you just looooove "billet" in the name? Ackshully, any paper filter (or K&N) with the housing necked down to the diameter should work nicely...as long as your environmental air isn't heavily riddled with oil. Got oil-based coolant misters? Try one of the oiled foam air cleaners. It'd self-oil. -- Not merely an absence of noise, Real Silence begins when a reasonable being withdraws from the noise in order to find peace and order in his inner sanctuary. -- Peter Minard |
#9
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Pressure light and auto shutoff
On Thu, 16 Sep 2010 07:55:34 -0700, Larry Jaques
wrote: On Wed, 15 Sep 2010 08:43:00 -0700, Gunner Asch wrote: On Wed, 15 Sep 2010 08:18:01 -0700, Larry Jaques wrote: On Tue, 14 Sep 2010 12:26:35 -0500, "Lloyd E. Sponenburgh" lloydspinsidemindspring.com wrote: Jcoyote fired this volley in news:453bbb94- : The moisture filter I purchased with the cutter gets waterlogged after 30 to 45 min of continuous cutting. You probably need a bigger water separator ahead of that unit. A dryer isn't always necessary, but a big honkin' coalescing separator might do the trick. We have a lot of humidity here in Florida, so I spent a few bucks (much less than a dryer, though), and ran an 80' length of 3/4" iron pipe along one wall of the barn, tilted to about, oh, an inch per foot. I have a small collector tank at the low end with a drain, and the house supply takes off the top end. I never (ever) get any liquid water at the equipment end, but sometimes several quarts a day out of the drip tank. I had a coalescing filter at the compressor outlet, but the bowl was too small, and it got saturated often. I find that with all the goo that grows in warm, wet air lines, the float-actuated automatic drains aren't all that reliable -- most have tiny drain valve openings. Some day, maybe I'll get a timer-driven drain with a big enough valve to bleed out the rats'n'bats, too. Iffen you're getting rats'n'bats in the output, perhaps it's time to check your -intake- filtering, too, Lloyd. chortle VBG Which does bring to mind..what is a good filter for an air compressor? Mine all have 1.5" input ports..so what is a good long term filter unit? AFTER all the baffling and/or muffling which keeps the noise down (an absolute MUST in my book) one of these would look nice: http://fwd4.me/eNI Don't you just looooove "billet" in the name? Ackshully, any paper filter (or K&N) with the housing necked down to the diameter should work nicely...as long as your environmental air isn't heavily riddled with oil. Got oil-based coolant misters? Try one of the oiled foam air cleaners. It'd self-oil. I put my air compressor a good 60' away from my shop space, under cover. A master control box engages contactors for lights, RPC, vfd and compressor. I hate hearing air compressors kicking on and off all night long while Im working metal. Gunner I am the Sword of my Family and the Shield of my Nation. If sent, I will crush everything you have built, burn everything you love, and kill every one of you. (Hebrew quote) |
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