transmission flushing (whats the best fluid to use)

Started by jerdbob, March 25, 2013, 01:00:19 AM

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jerdbob

Picked up an ag6hl a couple of months ago and decided to tear down further n look inside the tranny n clutch compartments. Could someone tell me whats a good flushing liquid to use. Thanks,Jerry
Jerry  Mc

Bob

I would probably use a steam genny and take all the plugs out of the bottom.

Bob
Certified Cletrac-tard

jerdbob

Thanks Bob,any other suggestions without Jenny?Think i read somewhere that Blake suggests home heating fuel,would that be ok? tnx   
Jerry  Mc

Lowspeedlife

I would think kerosene/diesel/heating oil all would be OK but I would not drive it around with whatever you use to flush it in the case, none of these have any real lubricating qualities.
  Scott R.
Proud poppa of an OC3 !
1941 HG 42 all original
1949 HG 68

Bob

I would think starting it and moving it very little (enough to get it thru everything) wouldn't hurt anything. 99% of everything in the trans. are ball bearings.

Alot of time the gunk in it is hard to cut with degreasers and fuel oil, you will get a little at a time, so it may take several times. You'll get it figured out.

Bob
Certified Cletrac-tard

Lowspeedlife

I bow to Bob's expertise here, as I'm a noob with these machines.

Scott R
Proud poppa of an OC3 !
1941 HG 42 all original
1949 HG 68

Doug424

I don't see any harm in moving it with diesel fuel in it, just  not for very long or under load. I've done it myself with no problems. It would work best on a hot day, heat would help loosen up the old hard stuff in there. You might even use a torpedo heater to warm it up.
HG's (several) OC-3's, (many), OC-4, OC-46,
OC-96, OC-12, OC-126, Cletrac AD2
Cletrac DD, Cletrag AG-6
Many other Crawlers, Tons of junk

oliverchris

Hot degreaser works a LOT better than cold degreaser, that's for certain. I'd heat it up in a saucepan, heat up the case like Bob says, and drive it around a wee bit. Clean the plug magnet off first - if it has one - or add one of those small rare-earth magnets to the plug. I'm thinking about not splashing filings all through the gears.
Specialising in Oliver & Cletrac Crawlers & Parts for HG's, OC-3's & OC-4's from the 30's to the 60's. OC-6 and others from time
1945 Cletrac HG42 + electric snowblade
1952 OC-3-31 sidewalk plow, OC-3-42 + Ware 3-WI (several)
OC-3-42 Heller Universal Trencher
1957 Oliver Super 55, 1958 Oliver 550's Gas/Diesel, 1970's Oliver 1255 FWA
1969 White 2-44 13LL (loader/backhoe)
OC-4 4 cyl. Anderson Dozer, OC-4 Series B 6-way Dozer, OC-46 Series B Loaders
OC-46-A Experimental Crawler Loader