TM-9-2320-283-34-2

TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, MQ15A1

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

DECEMBER 1983

TM-9-2320-283-34-2 - Page 160 of 570

TM 9-2320-283-34-2

REAR TANDEM AXLES.

3-76. REAR-REAR AXLE CARRIER REPAIR (Continued).

LOCATION/ITEM

ACTION

REMARKS

NOTE

Use a bearing spacer with a thickness

of 0.638 inch with a new gear set or

pinion bearings.

Use original bearing

spacer with original parts.

51. Assembled pinion

For trial build-up of pinion

Item (24) should be

bearing cage and

bearing preload test, adjust

assembled with items

cup assembly (24). as follows:

(25), (23), (38), and

correct item (28).

a. Place item (24) in press.

Position sleeve so that

load is applied directly

to the back face of item

(25) as shown.

b. Apply hydraulic press load

of 13.5 to 15.5 tons to

item (24).

c. Wrap soft wire around item

(24) and attach a spring

scale as shown.

d. Pull spring scale. Preload If necessary, adjust

is correct when torque

pinion bearing preload

required to rotate item

by changing item (28).

(26) is from 10-20 lb-in.

. A thicker item (28) will

decrease preload. A

thinner item (28) will

increase preload.

NOTE

Drive pinion and pinion pilot bearing

must be installed in bearing cage

assembly for final

bearing preload

test.

3-716