HomeRoast Digest


Topic: IR2 Repair (2 msgs / 52 lines)
1) From: Larry Williams
You may recall.  My 2 y/o IR2 motor bearings were getting tight and causing the motor to start slow and would squeak after the cool down cycle on the first roast.  I finally got where it would hardly start.  I was recommended that I try to lube the bearings.  Yesterday dissembled the unit and used a hypodermic  needle to inject a small amount Mobil 1 0-30 synthetic oil into both bearings.  The needle was small enough so that I didn't have to disassemble the motor from the fan.  Reassembled the unit and it worked great.  Started just fine and did not squeak after the cooling cycle.  
Larry
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2) From: raymanowen
Excellent! The hypo is the best, along with the Mobile 1.
Xerox and Minolta wanted us to replace the copier fuser bearings with new
ones- decades ago. BS- the new bearings still only had single shields.
Cleaned the oldies with LPS spray contact cleaner, (later I acquired a sick
bird case of 1-1-1 trichlorethylene spray cans- worked best at cleaning,
evaporating) followed by LPS-2 spray lube.
The best fix was to slip in a set of double sealed bearings shot with a drop
of Mobile 1, 5-30. High temperature Fafnir bearings were available on
special order, but Xerox, et al., didn't want it. Your fix is the way to go.
Here's a sample of what the factory trained Hammer Mechanics would
recommend:
*Question-*"[Espresso machine] tripping the GFI switch on the outlet."
[image: questions and answers]Answer
If your machine is tripping your GFI switch, you may need to send it in for
repair. Please call us *[XXX-XXX-XXXX*] so that we can thoroughly diagnose
the problem and provide you with the most appropriate solution."
*Or, Ray's answer-* It's quite likely there is a little leakage current,
with steam in the interior of the machine. GFCI's are normally so sensitive
you'd never feel the slight leakage current- besides, the metal case of the
machine is grounded to earth. No shock hazard.
Does it work OK on a different GFCI or normal circuit? If so, get it good
and hot, then return to the GFCI that trips. Consider replacing GFCI
components- breaker, outlet.
Cheers, Mabuhay and Magandang Umaga -RayO, aka Opa!
-- 
"When the theme hits the bass, I dance the Jig!" - -Virgil Fox at the Mighty
Wichita (ex- NYC Paramount) WurliTzer- 1976
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