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Figure 80. Differential and gear assembly
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Figure 82. Carrier assembly showing yoke fitting and pinion shaft.
1
Cup, bearing
9
Washer, thrust
2
Cone, bearing
10
Gear, side
3
Bolt, long
11
Washer, thrust
4
Case, differential
12
Gear, ring
5
Washer, thrust
13
Cone, bearing
6
Gear, side
14
Cup, being
7
Spider
15
Rivet
8
Pinion
16
Bolt, short
Figure 81. Drive axle differential assembly, exploded view.
(5) Mount  a  dial  indicator  with  the  stem
Note. Turn nuts on either side alternately,
perpendicular to the tooth surface at the
so that both will be  .screwed into carrier
extreme heel and measure the backlash.
assembly the same distance when tightened.
Note. Correct backlash setting is between
(2) Back off and adjusting ring on tooth side of ring
0.006 and 0.012 inch.
gear and tighten opposite ring until all backlash
(a) To decrease backlash, loosen adjusting ring
between pinion and ring gear is removed. Back
on tooth side one notch and tighten opposite
off adjusting ring on side opposite ring gear
side one notch. Check backlash and repeat
teeth approximately two notches.
as necessary.
(3) Tighten ring on tooth side solidly.
(b) To increase backlash, loosen, adjusting ring
Note. The purpose of this is to seat the bearings.
Ring must be drawn down solidly to assure proper
opposite tooth side one notch and tighten
seating.
opposite ring one notch.  Check backlash
(4) Back off this same ring free of bearing; then
and repeat as necessary.
tighten again, however, and bring it up just
(c) When proper backlash has been obtained,
enough to eliminate any play in bearings.
torque differential carrier capscrews to 120 to
Tighten adjusting rings one notch each from no
170 foot-pounds and check backlash.
end play to preload bearings.
AGO 7019A
97

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