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 158 of 570

TM 9-2320-283-34-2

REAR TANDEM AXLES.

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

LOCATION/ITEM

ACTION

REMARKS

48. Ring gear (33)

Install into item (14).

and differential

During installation,

case assembly (1).

tilt item (1) to allow

differential case pilot

to mesh properly with

edge of bearing cap

pedestal as shown.

49. Two cups (7) and

(42), adjusters

Install in item (14).

Make certain punch marks

(8) and (41), and

are properly alined and

caps (13).

threads of items (8) and

(41) are not cross

threaded with items

(13).

Do not torque the four drilled hex

screws until all adjustments have been

made.

50. Four screws (12)

and washers (10).

Install and finger tighten.

Refer to steps 51 thru

If necessary, use a hand

59 under adjustments for

tool.

setting differential

preload and ring gear

backlash.

CAUTION

Once correct pinion bearing preload

has been established note the pinion

bearing

spacer size

used.

Select a

pinion bearing

spacer

0.001 inch

larger for use in

the final pinion

bearing cage assembly.

After adjusting pinion bearing preload

without drive pinion a final preload

test must be made.

Proceed to step 52

for adjustments with drive pinion in-

stalled in bearing cage assembly.

3-714