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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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