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 100 of 570

G. RING

F. ADJUSTING

TM 9-2320-283-34-2

REAR TANDEM AXLES.

3-70. FORWARD-REAR AXLE CARRIER REPAIR (Continued),

LOCATION/ITEM

ACTION

REMARKS

54. Adjusters (7) and

(34) (continued).

Adjust ring gear backlash as

follows (continued):

e. To remove backlash loosen

item (7) on the teeth

side of item (32) one

notch at a time. Tighten

the opposite item (34)

until it contacts item

(35). Continue to tighten

the same item (34) two or

three notches. Recheck

backlash.

55. Gear (32).

Coat nine teeth on item (32)

This represents the

with marking compound.

total number of teeth on

item (31).

56. Used ring gear

Used item (30) tooth contact

Roll item (32) to obtain

and drive pinion

should show as follows:

a contact pattern. Refer

assembly (30).

to illustration for item

(32) tooth nomenclature

and correct tooth

pattern.

a. Used item (30) will have

a pocket at the toe-end

of the gear tooth which

tails into a contact line

along the root of tooth.

b. A correct pattern is

The length and shape of

clear of the toe and

the pattern are consid-

centers evenly along the

ered acceptable as long

face width between the

as it does not run off

top land and root.

the tooth at any point.

3-656