On Tue, 23 Nov 2004 18:35:32 -0500, "Jimmy"
wrote:
I was hoping that someone in this newsgroup might be able to help with this
problem. I recently inherited an old Sears 1hp air compressor from the
1970's -- (model 160.171140). It wasn't in great shape but since I don't
have one, I thought it would be great to fix up for the shop (this was back
when Sears/Craftsman made decent tools right?). Anyway, I ordered the
replacement parts from Sears at greatly inflated prices and they arrived
today. They are not identical to the ones that were originally on the
compressor, not that I expected them to. Most of the pieces worked out
ok--the check valve was identical, gaskets fit great, shut off and safety
valve is different but checks out (actually made of brass instead of the
original plastic!) but the pressure switch is giving me some trouble...
It is a Square D Pumptrol Pressure Switch (I have the model and specs if
that will help) and on the underside of the swich is attached a valve with
four threaded holes in it. The one on the bottom is where it attaches to the
shut off/safety valve, but I don't know about the other three? They are all
connected so the tank wont hold any air. Can I get some covers or plugs to
fill them all? On the old switch, there was a guage that showed the psi in
the tank but this new one does not. Should there be another valve or guage
threaded into the pressure switch? I'm a bit worried that if I simply plug
those holes, the motor won't know when to shut off? Is that how it works?
I would really appreciate any help you could give me on this problem. I
dread having to call sears for assistance since I don't really have half a
day to wait on the tele just to talk to someone who has no idea what they're
talking about so they can tell me that I need to schedule a service call!!
Thanks Jimmy
Try google. Enter the name and model number. I just googled "square d
pumptrol" and one of the first hits was a page from a Square D
website.
Betcha find there what you want. You could even try calling them.
ERS
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