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Re: tip for pulling pilot bearing
[Re: tomriddle]
#663456
11/06/05 07:03 PM
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Joined: Oct 2003
Posts: 7,768
Web Wheeler
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Two things Tom BTW Howdy! First is the bearing.. Them things are such a pain to install and go out so suddenly I would never put an old one back in there. The clutch plate I might reinstall because I KNOW I can nurse it along.. But them bearings are so unpredictable I am scared to death of them. Then the grease you used. I am bout to dissartate! Pardon any extra length here. For them that are thinking "what the hell is THAT all about?" What happens with them bearings that are in a BLIND HOLE is: We fill the hole itself with grease. (it could be water or orange juice or thin oil or dog pee for all it matters!) We use grease because it will not seek it's own level quickly! So grease can be used upsidedown if needed. Ideally thin oil would be used and the crank would be stood on it's head for these proceedures. But that ain't always possible.. So we fill the void behind the bearing with grease and insert a PIN bout the same size as the hole itself. We pull the pin and squeeze some more grease into the hole till we get the pin in position where it will not enter the hole.. THEN we simply WHACK the pin with a BFH and the pin enters causing compression of the grease BEHIND the bearing. This pressure PUSHES the bearing forward... FROM the back of the hole.. And the bearing POPS out towards the BFG! Simple to do and the liquid used only matters where gravity is concerned.. EVERYONE should understand the LIQUID parts of the grease/air mixture cannot be compressed (much) so the energy of the BFG is transferred to the BACK of the bearing pushing it forward out of it's resting place. There will be questions on the Friday test... Everyone should get a good grip on this proceedure. <img src="/forums/images/graemlins/smile.gif" alt="" /> Big JIm <img src="/forums/images/graemlins/pfft.gif" alt="" />
professional bovine relocation specialist
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