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 164 of 570

TM 9-2320-283-34-2

REAR TANDEM AXLES.

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

LOCATION/ITEM

ACTION

REMARKS

53. Adjusters (8) and

(41).

Adjust differential preload

Tightening preloads the

as follows:

bearings,

and provides

proper gear backlash.

a. Loosen item (41) on same

side as ring gear teeth

until its first thread is

visible.

b. Tighten item (8) on other

This can be tested by

side until there is not

facing item (33) and

backlash.

pushing item (33) away

from the body while

gently rocking item (33)

from side to side.

There should be no free

movement.

c. Rotate item (33) and check

for any point where item

(33) may bind. If such a

point exists, loosen and

retighten item (41).

Make all further adjust-

ments from the point of

tightest mesh.

54. Adjusters (8) and

(41).

Adjust ring gear backlash

as follows:

a. Loosen item (8) on notch.

One notch is the move-

ment of the lead edge of

one adjuster lug to the

lead edge of the next

lug post at a preselect-

ed point as shown.

b. Tighten item (41) on the

Contact is felt in the

teeth side of item (33)

form of increased

until it contacts item

(42).

resistance to item (41)

movement.

3-720