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4)
High pattern : A high contact pattern
indicates that the pinion was installed too
shallow into the carrier.
To correct, move the pinion toward the ring
gear by decreasing the shim pack between
pinion spigot and inner bearing cone. Refer
to "Assembling the pinion bearing cage".
5)
Low pattern : A low contact pattern
indicates that the pinion was installed too
deep into the carrier.
To correct, move the pinion away from the
ring gear by increasing the shim pack
between pinion spigot and inner bearing
cone. Refer to "Assembling the pinion
bearing cage".
GOOD PATTERN IN OPERATION (USED GEARS)
Decrease shim pack
Increase shim pack
3-153
LOW PATTERN
Move pattern toward
bottom
Move pattern toward
top
D507AX61
D507AX62
D507AX63
D507AX64
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