Re: (ET) Grinding sound found

[Klein Robert W NPRI <KleinRW Npt NUWC Navy Mil>]

When changing trannie oil its a good idea to flush the case prior to 
refilling. I do this by jacking the wheels off the ground, draining the 
old stuffhe case up with kerosene and putting the trannie in LL to let it 
spool for a couple of minutes unloaded

Then I drain the kerosene which will be muddy brown....a good sign

Also when draining the original oil and the flushed kerosene, drain the 
fluid over a magnet.  You will be amazed at the amount of metal shed off 
gears as abused as our elec traks

Good luck

Bob

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----- Original Message -----
From: elec-trak-bounces cosmos phy tufts edu <elec-trak-bounces cosmos phy 
tufts edu>
To: elec-trak cosmos phy tufts edu <elec-trak cosmos phy tufts edu>
Sent: Tue Apr 08 18:27:47 2008
Subject: (ET) Grinding sound found

Transmission was low on oil. I backed the tractor onto a set of ramps, 
opened the rear oil port, could not feel oil with my finger. Great.

Dropped the oil. Typical mud-colored soup. Some metal dust, but no 
shavings or chunks. After draining I filled it with 64oz of Lucas 85/140 
gear oil. With the rear on ramps, 64 goes in easy. Then I closed it up, 
much quieter.

I think it's leaking from the pulley seal. Oh goodie, another project. 
I'll work on that a bit later unless someone knows of an additive that 
can stop the leak. I then took it in the back with the tiller, and 
promptly got it stuck in the mud.

Fortunately I have an engine hoist, tree, and chain. But I really should 
get a real winch on the front...

Chris

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