Install the Differential and Gear Assembly

TM 9-2320-303-24-2

REAR-REAR AXLE DIFFERENTIAL CARRIER REPAIR - CONTINUED

0259 00

DIFFERENTIAL CARRIER ASSEMBLY - CONTINUED

(3)

Using a suitable socket and torque wrench, rotate the differential nest while observing the scale on the

torque wrench (fig. 4). Correct rolling resistance of the differential assembly is 50 lb-ft (68 Nm) torque

maximum applied to one side gear.

DIFFERENTIAL

NEST

TORQUE

WRENCH

402-713

Figure 4. Check Rolling Resistance.

Install the Differential and Gear Assembly.

(1)

Install oil fill plug (16).

(2)

Pre-lubricate the differential bearings and cups with gear lube (Item 33, WP 0312 00).

(3)

Place the cups over the bearings and position the assembly in the carrier housing (15),

(4)

Insert the bearing adjusting rings (20) and turn hand-tight against bearings (1).

CAUTION

If bearing caps do not position properly, adjusting rings might be cross-threaded. Remove caps and reposi-

tion the adjusting rings. Forcing the caps into position will result in irreparable damage to the carrier housing

or bearing caps.

(5)

Install the bearing caps (17) in the correct location as marked and tap lightly into position.

(6)

Install the carrier leg capscrews (19) and washers (18) and torque to 290-350 lb-ft (393-475 Nm). Install

adjusting rings (20), dowel, and cotter keys (21) after final adjustments are made.

Adjust the Differential Bearing Preload.

(1)

Using a dial indicator at the back face of the gear, loosen the bearing adjusting ring (20) on the side oppo-

site gear only sufficient to notice end play on the indicator.

(2)

Tighten the same adjusting ring (20) only sufficient to obtain 0.000 end play.

(3)

Check the gear for run-out. If run-out exceeds 0.008 in. (0.203 mm), remove the differential and check for

cause.

(4)

Starting with 0.000 end play, tighten each adjusting ring (20) one notch. This will properly preload the dif-

ferential bearing.

0259 00-9