Figure 81. Drive axle differential assembly, exploded view.

Cup, bearing

Washer, thrust

Cone, bearing

Gear, side

Bolt, long

Washer, thrust

Case, differential

Gear, ring

Washer, thrust

Cone, bearing

Gear, side

Cup, being

Spider

Rivet

Pinion

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