Re using motor from old direct drive compressor - Router Forums
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post #1 of 21 (permalink) Old 04-03-2013, 02:18 PM Thread Starter
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Hi all I am looking for some help. I have an old Campbell Hausfield Model # WL350002AJ air compressor. The compressor part went bad and it will cost more to repair the air pump then I can buy a new one for. I thought I might be able to use the motor for something else in the shop but I can't seem to figure out how to get the direct drive crank shaft off of the motor shaft. The parts break down diagram shows a set screw but I can't find one Maybe some one on this forum has worked on one. I am attaching a link to a pdf break down from the CH site http://www.chpower.com/IMAGES/pdfs/m...00337_0301.pdf
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post #2 of 21 (permalink) Old 04-03-2013, 02:35 PM
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Hey, Roxanne; from the drwg. it looks like it should on the cam edge that drives the piston(?)...
Way too many times the engineering changes but the documentation doesn't.
There should also be a flat or a keyway on the arbor. That's the other likely place to find a setscrew hidden.
Just out of curiosity, what's actually wrong with the compressor? What are the symptoms? Is it 'oilless'? (sp?)
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post #3 of 21 (permalink) Old 04-03-2013, 02:48 PM Thread Starter
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Yes it is oil less. The reed valves broke off and fell in and wrecked the piston and Cylinder the head looks messed up too. I priced the valve kit and piston and cyl and it is a bit over $120.00 plus shipping if. I can use the head over again. I just don' think it is worth it. The next one will be a belt drive with oil.
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post #4 of 21 (permalink) Old 04-03-2013, 02:51 PM Thread Starter
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Hi DRWG Do you think it could be pressed on?
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post #5 of 21 (permalink) Old 04-03-2013, 04:29 PM
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It could be pressed/cemented on. If you can't find a set screw, its even likely.

Wow, I didn't know those cylinder kits had got that expensive! I used to rebuild quite a few of those. By the way, if used for paint spraying, those oil less compressors need to be in clean air. Paint fumes will take those out pretty quickly depending on what you are spraying!

I have found that hand tools are the best choice when I want to make mistakes at a slower rate of speed.

I don't suffer from insanity. I enjoy every minute of it.

Last edited by Dmeadows; 04-03-2013 at 04:33 PM.
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post #6 of 21 (permalink) Old 04-03-2013, 05:34 PM
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Roxanne; save the tank! You can splice it in at the end of your air lines...it'll double your stored air capacity. Like having a 40 gal. instead of a twenty. That should help with jobs like sanding.
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post #7 of 21 (permalink) Old 04-03-2013, 06:44 PM
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Sears used to carry Campbell Hausfeld. Have you tried there?

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post #8 of 21 (permalink) Old 04-03-2013, 08:32 PM
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Quote:
Originally Posted by rwl7532 View Post
Sears used to carry Campbell Hausfeld. Have you tried there?
Ralph, can't speak for Roxanne, but the parts at Sears are listed as "requires a tech to order". I think(just kinda guessing really) that is because they bolts need to be torqued to spec on those or repeat failure is common. Especially on the twin cylinder pumps.

Sears was the was the first place I looked! I am a retired employee of Sears.

I have found that hand tools are the best choice when I want to make mistakes at a slower rate of speed.

I don't suffer from insanity. I enjoy every minute of it.

Last edited by Dmeadows; 04-04-2013 at 06:57 AM.
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post #9 of 21 (permalink) Old 04-04-2013, 04:05 AM
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I also have one that has bit the bullet. I have looked at mine after trashing the pump. I would almost bet they are a shrink fit. Heating it to get it off would probably destroy the front bearing. They usually induction heat these parts and just place them on the shaft. If you can see the end of the motor shaft you can pull it with a puller and a bearing plate. if you cant see the end of the motor shaft consider drilling the eccentric crankshaft, then pulling. I use mine as an auxiliary tank for now.

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post #10 of 21 (permalink) Old 04-04-2013, 06:52 AM
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Quote:
Originally Posted by DaninVan View Post
Roxanne; save the tank! You can splice it in at the end of your air lines...it'll double your stored air capacity. Like having a 40 gal. instead of a twenty. That should help with jobs like sanding.
That also doubles the run time of the compressor. Not being designed for that, many of the less expensive systems will overheat and shorten the lifespan of the pump. I knew a guy that had 3 60 gal tanks on his air system.. couldn't keep pumps on that thing!

I have found that hand tools are the best choice when I want to make mistakes at a slower rate of speed.

I don't suffer from insanity. I enjoy every minute of it.
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