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D9g cable controls bearing oiling
D9g cable controls bearing oiling
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2 years 1 week ago #240423
by Beale
Hi, I have a D9g made in in good order over the years. I have just done up the winch and assembled it. I have a cat service manual for cable controls 128-129. My question is regarding lubrication of the 3 outer bearings, 8B5966 & 1J9227(bearing assem shaft), 1J6370 (bearing assemb drum).. see attached diagram. Do the bearings get automatically oiled, or do I need to pack them with grease when assembling the winch?
The service manual does not specify and I can’t see how oil can run back there.
thanks in advance
Daniel.
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2 years 1 week ago #240431
by trainzkid88
your referring to the pair of taper bearings? yes i would grease them a bit before install
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Beale
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2 years 1 week ago #240434
by PhilC
I wouldn't grease them if they are oil bath bearings. Grease can prevent proper lubrication by the oil. I can't see any zerks in that drawing so I assume it is an oil bath setup but someone with more experience with D9 CCU's will hopefully help out.
944A - Machine SN 43A2589 Engine SN 90A284
955K- Machine SN 71J3772 Engine SN 83Z0704
D6 SN's 4R732sp, 5R2724, 5R4832
D8 SN's 15A1254, 15A2287, 15A2723
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2 years 1 week ago #240440
by Old Magnet
No mention of any special lubrication requirements in the "Lubrication Chart" Operation & Maintenance Instructions for the 129 and 128. Eight quarts of crankcase oil in the gear box is all that is required. Wouldn't hurt to do a light grease/lube on assembly.
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Beale
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2 years 1 week ago #240474
by trainzkid88
one thing that might help is can you remember where they oily or greasy when you removed the originals. it will surprise you how fine a gap oil can flow into. for instance conrod journals only have a few thou clearance and on a lot of old stuff where only splash fed. the crank or the rod had a oil slinger. most small engines still use this idea. sae 30 isnt that heavy.
if you put a piece of steel in a tin of oil overtime it will draw up the steel by capillary action.
they must be lubed somehow. as there is seals to keep lube in and dirt out.
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Beale
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D9g cable controls bearing oiling
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