Howdy. Isn't it always the way with computers. One of the 11452 nodes on my
Algor FEA mockup has a flaw. Where's a BFH when you need one...
_______
Back to U joints...
From the e mail I'm not sure if you are just unsure how to replace a u
Joint, or are dealing with really siezed caps.
The usual procedure is to use a small socket that just fits inside the
diameter of the yoke eye, which presses against the cap, and not the edge of
the yoke. On the opposite side, you use a big socket that sits on the yoke,
and not the cap. You put this mess in a big vice (4.5" or more) and squeeze.
The small socket pushes the cap, the larger socket allows the opposite cap
to exit and once this is all apart it's usually pretty easy to get the new
one in. Just make sure all the needle bearings in the caps are perfectly
aligned as you press the parts back in with the vise. Assembly is the
reverse of disassembly. Sort of.
If it's really siezed caps, I'd heat it with a mapp gas torch, or propane,
coleman camp stove, etc, and then dump it in cold water, repeat a few times,
squirt it with some "stuff" and then try it again. Basically, anything to
heat and cool this puppy repeatedly will help. Hell, build a campfire, fire
up your BBQ, Hibachi, whatever, then dunk it in something cold (NOT the
beer). If you repeat this a few times it'll help, the eyes will heat and
contract, and it should "break" some of the stuck-ness.
BTW, DON'T beat on the driveshaft, you'll only end up getting the eyes all
mucked and you'll have to die grind that puppy to get the new ones in.
Oh, and without a vise, you are risking deep depression, extreme rage, and
even attempted vehicide.
Spend the 70$ on a good vise (Record, not chinese made junk) and you'll be
happy. I returned a Record vise I had broken (bare hands!) and there was an
evident chunk of slag in the casting acting as a stress riser. I was
expecting to have to put up a fuss since I didn't have my reciept and it
showed signs of being used. They took it back and replaced it NO QUESTIONS
ASKED. How's that for a warranty.
I didn't even get to tell them my nice little explanation for the failure!
Good luck,
J-L
>> So, I dropped the prop shaft. As I suspected, one axis of the rearmost
>> u-joint is "frozen" as far as my hands trying to budge it go. The engine and
>> tranny get it to move, but with that squeak-squeak sound.
>>
>> Now that I've got the Circlips out, I cant get anything else unstuck. Can't
>> figure out how to get the caps out of the yokes. I figured I'd squeeze them
>> out by clamping down on one cap and hoping it would pop out the other side.
>> I guess I must first soak in hot water and Simple Green, then apply liberal
>> doses of PB Blaster...
>>
>> Any ideas for a bitch of a u-joint will be handy...
>>
>> I don't have a press of any sort, no 12" lathe, no oxy acetylene torch...
>> Have BFH and diminishing supply of beer and patience. <grins>
>>
>> --pat.
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