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 TM 10-3930-660-24-2
FRONT DIFFERENTIAL CARRIER ASSEMBLY REPLACEMENT - CONTINUED
0243 00
ADJUSTMENT - CONTINUED
NOTE
When adjusting backlash, adjust only the ring gear; do not adjust the bevel pinion.
19.
Increase backlash by loosening bearing adjusting ring (15) opposite teeth of ring gear (22), and tightening bearing
adjusting ring on ring gear side of differential assembly. Make adjustments one notch at a time until backlash is within
specifications.
20.
Decrease backlash by tightening bearing adjusting ring (15) opposite teeth of ring gear (22), and loosening bearing
adjusting ring on ring gear side of differential assembly. Make adjustments one notch at a time until backlash is within
specifications.
21.
Check tooth contact patterns of the gear set.
NOTE
In the following steps, movement of contact pattern in length of tooth is indicated as toward "toe" (C) or
"heel" (D) of ring gear.
Always check tooth contact patterns on drive side of gear teeth.
22.
Apply marking compound (prussian blue, red lead) to
12 gear teeth of ring gear. Rotate ring gear so that 12
gear teeth are next to bevel pinion.
23.
Rotate ring gear (22) forward and backward so that 12
marked teeth go past bevel pinion 6 times to get con-
C
D
tact patterns. Repeat, if necessary, to get a more clear
pattern.
22
409-1256
0243 00-5
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