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D3 clutch replacement being stubborn

R

Ron Bailey

Member
Hello I have a D3b CAT dozer. I recently replaced the left
steering clutch. But ran into a problem with the arm on the
clutch in not going back in place correct. The distance between
the piston cylinder that pushes the arm out is over extended
and the arm is against the wall. The arm will not push out any
further to activate the clutch and arm will not push towards the
cylinder. I have taken the whole clutch unit in and out about 10
times looking for a problem that I can not find. Had no
problem with this when I took the clutch out! In the picture I
have the stop screw extended out as far as it will go. The
screw has since been removed to try to give the arm room to
move

cvphoto124747.jpg


cvphoto124748.jpg
 
I am only guessing as I never encountered that problem in the hundreds of clutches I took out and but in in my career, it could be that the yoke is not in the bottom bearing or the bearing is not in the housing, it could be the throw out bearing is turned the wrong way, clearly something is wrong with the way its put together, I think you will be taking the clutch out again, post a picture of the clutch and yoke.
AJ
 
Hello AJ. Thanks for the reply.

This thing is giving me fits!!

We never went into the bearing side, we only replaced the
clutch disk.

Would you think the bearing might have slipped some how?

cvphoto124899.jpg




cvphoto124900.jpg




cvphoto124901.jpg
 
You need to check that the bottom bearing cup for the yoke is in the housing, if the clutch is in see if you can move the top of the yoke back and forth as well as in and out, there should be no slop, usually when fitting the clutch the bearing cup gets a blob of grease, if you did not have the throw out bearing out then that should be ok, could the yoke be turned wrong, take it steady and weigh up how things work and you will crack it.
AJ
 
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