Gerald and Greg,
One old-timer recommended a 50/50 mix of STP and Marvel Mystery Oil for
blower motors. That's what I used in the bathroom exhaust fan on our
trailer, and it's worked well. I found the MMO at my local NAPA store.
(where else? grin)
Jim
Sometimes one can add oil holes to the ends of motors. Sometimes there's
a space for a felt visible in the end bell stamping. Adding good oil
(such as electric motor oil) to holes drilled into that felt reservoir
can sometimes extend the life of a motor. One or two drops a year is
sufficient.
I've not had good results with mixtures. Sometimes oil mixtures (and
that includes mixing new with old) turn to glue. STP motor honey I'd be
most wary of in that sort of mix. That's why I'm sticking with the
Electric Motor Oil... Its available in small containers in good hardware
stores, I just
"Dr. Gerald N. Johnson, electrical engineer" A long time ago a mechanic told
me to use Sewing Machine oil on motors and even on a turn swich for a lamp it
was a better lubricant than household oil? or was that an "old wives tale"?
Pearl
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I think sewing machine oil is nearly always been a great oil with little
tendency to turn to gum and goo. I think I have a small can labeled
sewing machine AND electric motor oil.
Gerald J.
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Dr. G.,
I mentioned earlier that I use synthetic motor oil to relube the porous
bronze bushings used in many motors as bearings. What I learned in part was
from a very knowledgible motorcycle mechanic while working on motorcycle
starters. These are subject to very high heat in an adverse
In a message dated 3/22/01 9:59:15 PM Eastern Daylight Time, [EMAIL PROTECTED]
writes:
My '76 25' Tradewind Land Yacht has a furnace blower that makes an
outrageous lot of racket. Problem is, I can't figure out how to get to the
blower housing to apply magic elixir (WD-40).
It's easy
==--
-Original Message-
From: Dr. Gerald N. Johnson, electrical engineer
[mailto:[EMAIL PROTECTED]]
Sent: Thursday, March 22, 2001 5:50 PM
To: Multiple recipients of VACList
Subject: [VAC] Re: Find that blower!
Why would you want to go to all that trouble finding the fan and then
lubricate
WD-40 hasn't much for lubricant qualities. I'd rather use plain kerosine
for penetrating and lubricating. I have an old JD grain drill and that's
what was specified (probably from days long before WD-40 was
discovered). I have used WD-40 for things like car door hinges and found
it didn't last
Does anybody know if you can get to the blower without removing the entire
unit. Mine makes a racket too, esp when first starting up. I would spray
anything in there if I could get to it!
Randy
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Hi All,
With regard to Suburban furnaces, the blower provides both combustion air
and circulation air for the ducts. Meaning that it's a dual purpose motor
and under very heavy stress.
I suggest that you look at the service manual. It will be necessary to
remove the furnace completely from
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