TM-9-2320-280-20-1

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 1 OF 3

JANUARY 1996

TM-9-2320-280-20-1 - Page 112 of 888

Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont'd)

I T E M

N O .

I N T E RVA L

ITEM TO BE

I N S P E C T E D

P R O C E D U R E S

TM 9-2320-280-20-1

Change 1

2 - 2 1

NOT FULLY MISSION

C A PABLE IF:

e.

Check for loose, missing, or

e.

Any broken studs, or

broken wheel studs and nuts.

loose or missing wheel

nuts.

(1)

Release air pressure from tire

(para. 8-4 or 8-5).

(2)

Wheel configurations:

(a)

12-bolt configuration –

Tighten locknuts to 85 lb-ft (115 N

•

m)

in sequence shown; repeat torque

sequence at 125 lb-ft (170 N

•

m).

(3)

Inflate tire to recommended tire

pressure (TM 9-2320-280-10).

CAUTION

Prior to checking torque, the tire

assembly must be deflated.

CAUTION

Tighten locknuts gradually to avoid

bent and broken studs, or damage to

wheel components will result.

19

Semi-

Tires

Annual

(Cont’d)

8-BOLT TIGHTENING SEQUENCE

(b)

8-bolt configuration –

Tighten locknuts to 55 lb-ft (75 N

•

m)

in sequence shown; repeat torque

sequence at 65 lb-ft (88 N

•

m).

12-BOLT TIGHTENING SEQUENCE