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I'm replacing the bearings in the diff (w/Timken USA) and am puzzled by =
the "set pinion height" instructions. Here's what the workshop manual =
says (paraphrase):
- install the pinion head bearing without the normal 0.10" spacer =
between it and the pinion.
- install the pinion shaft with bearings, no bearing spacer, shims or =
oil seal, and torque to 12-16 ft-lb
- put a dial gauge on the housing with the plunger contacting the =
pinion, then putting downward pressure on the gauge, obtain a maximum =
reading (appears to be one of those special factory tools in the photo =
though none is cited)
-this reading, subtracted from the normal spacer thickness of 0.10", =
determines the thickness of the "selective spacer required".
Huh? first of all, the spacer is 0.10" so how can there be a different =
thickness spacer? The diagram shows no shims at this location. Second =
and more important, why would the assembly move at all and produce any =
dial indicator readings, given that the pinion bearing assembly is =
torqued to 12-16 lb? =20
These are not the instructions for shimming the spacer between the =
bearings, I understand those - though I am looking for ideas for a =
homemade preload gauge I could easily make up.
Are the instructions missing something or am I?
thanks!=
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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I'm =
replacing the bearings in the diff (w/Timken USA) and am puzzled by the =
"set pinion height" instructions. Here's what the workshop manual =
says (paraphrase):<div> - install the pinion head bearing without =
the normal 0.10" spacer between it and the pinion.</div><div>- install =
the pinion shaft with bearings, no bearing spacer, shims or oil seal, =
and torque to 12-16 ft-lb</div><div>- put a dial gauge on the housing =
with the plunger contacting the pinion, then putting downward pressure =
on the gauge, obtain a maximum reading (appears to be one of those =
special factory tools in the photo though none is cited)</div><div>-this =
reading, subtracted from the normal spacer thickness of 0.10", =
determines the thickness of the "selective spacer =
required".</div><div><br></div><div>Huh? first of all, the spacer =
is 0.10" so how can there be a different thickness spacer? The =
diagram shows no shims at this location. Second and more =
important, why would the assembly move at all and produce any dial =
indicator readings, given that the pinion bearing assembly is torqued to =
12-16 lb? </div><div><br></div><div>These are not the instructions =
for shimming the spacer between the bearings, I understand those - =
though I am looking for ideas for a homemade preload gauge I could =
easily make up.</div><div><br></div><div>Are the instructions missing =
something or am I?</div><div><br></div><div>thanks!</div></body></html>=
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_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://www.team.net/archive
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