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Hi Jim,
Thanks for the links, had a look at a few of them.
Came across this short one,
A loctite product called "Freeze & release" for freezing your nuts so
they come off their bolts.
they advocate this method as apposed to sticking a blow torch on
them.
Alan
----- Original Message -----
Sent: Thursday, October 27, 2011 6:58
PM
Subject: [PSUBS-MAILIST] Loctite
Jon,
You brought up a good point in your last sentence below regarding
Loctite. Since that brand name covers a number of different products, we
could all benefit from learning about the threadlockers, thread sealants,
other sealants, and other products for rust and corrosion prevention,
etc. during assembly. We might consider asking a tech rep to speak
at our next convention.
I know they make varying strengths of threadlockers depending on
how resistant to disassembly you want a threaded fastener to be, but I'm
not really familiar with the thread sealants and other products and the
appropriate applications.
Here's are a couple of YouTube videos I pulled up.
Thanks,
Jim
In a message dated 10/26/2011 7:48:20 P.M. Central Daylight Time,
jonw@psubs.org writes:
Thanks to everyone for the good advice. I went out tonight
armed with a
propane torch (the kind used to solder copper pipe) and
used it on the
flat head screws holding the motor in the port thruster
housing. It was
fairly chilly tonight at 45F and the heat worked
great. I applied heat
to each screw for about 30 seconds and the
screws came out with ease.
No impact driver, just a good large
hefty screwdriver that I finally
found after a thorough search of the
cellar (I knew it was there somewhere).
The electrical motor is
sealed in its own metal housing and looks great,
so I'm optimistic that
internally it is in good enough condition to
operate. All I need
is three of you guys to show up in my driveway so
we can combine your
car batteries into a 36v power source. :) Is this
the
first time that motor has been out of that housing in 32 years??
Could be.
I was surprised to see that there was no support for
the motor in the
fore part of the housing. The mounting plate that
attaches to the dog
ears welded inside the housing is the only means of
support for the
motor which weighs in at 25 pounds. The four round
head screws that
hold the motor to the mounting plate were snug, but by
no means tight.
I didn't need any heat to unscrew them.
Maybe locktite on those when I
reinstall the motor?
Photos added
at:
http://www.psubs.org/projects/1234567801/k600portfwdmotor/
Jon
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