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Flushing trany/diff/hydr on 8N

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8NRay

05-03-2001 16:57:28




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I'm fixin' ta change the tranny stuff, drain all 3 plugs from front to rear. Question I have is I wanted to flush it out with some varsol, would it hurt anything to start engine and engage pto then cycle the lift up and down a few times with the solvent in? Second question, do I need to put a full 5 gals of solvent in?




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Jim, Harder, but better.....

05-04-2001 08:27:53




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 Re: Flushing trany/diff/hydr on 8N in reply to 8NRay, 05-03-2001 16:57:28  
Ray
You have a good idea, but if your machine is like most that have not had regular fluid changing or flushing of this area, a LOT OF SLUDGE AND SEDIMENT has been deposited on the botton of the hydraulic and rearend cases. I would recommend a harder (a little harder) but more better idea.

Drain from all three plugs, remove PTO shaft, remove the hydraulic pump, and remove inspection covers.

Then you have access to all the nooks, corners and divided areas to hand clean out all this GUNK! You can also use solvents, brushes and rags to get all the years of acumulated &^^%$#%^ out of these areas. (The tranny case is normally fairly clean). The gaskets you need to replace are cheap and the overall job is much much much more better than just a 5 gallon solvent flush, which may just move all this crap thru your hydraulic pump, lift cylinder, tranny gears and bearings, etc.

Good Luck, Jim

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CRS in AL

05-03-2001 19:17:51




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 Re: Flushing trany/diff/hydr on 8N in reply to 8NRay, 05-03-2001 16:57:28  
Hi 8NRay
I have not used varsol before, so I cant say about that, but - I have used 5 gal of mineral sprits flushing my 601, and I used 5 gal of diesel fuel in my 8N. I did crank and run it for a few minutes, and I raised and lowered lift, and run pto, then drained. Cleaned system out fine . Refilled with new 80w90 and it works fine.
I guess its your call. Goog Luck
////CRS////



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8NRay

05-03-2001 20:55:36




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 Re: Re: Flushing trany/diff/hydr on 8N in reply to CRS in AL, 05-03-2001 19:17:51  
Thanks for the input CRS.
Well it's not varsol. It has a name like "Safety Clean" which goes in those parts washers. Only solvent my parts house had, would have been cheaper to use diesel. Varsol is what I used in the 'ol' days.
Well if'n you did it that way, I should be OK. I figured as long as I didn't drive it, it shouldn't hurt anything but I wanted to run it by those more experienced than me. It's always better to learn from other's misteaks.... ;-)

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