Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont'd).
ITEM TO BE
NOT FULLY MISSION
Check for loose, missing, or broken
Any loose, missing or
broken wheel stud and
wheel studs and locknuts.
(1) Release air pressure from tire
If vehicle is new and has been driven
less than 3,000 mi (4,800 km), it is
not necessary to align wheels unless
abnormal handling is reported.
· Always use an OSHA approved
tire inflation cage for inflation
purposes. Stand on one side of the
cage during inflation; never
directly in front. Keep hands out of
cage during inflation. Inflate
assembly to recommended
pressure using a clip-on air chuck.
Do not exceed 50 psi (345 kPa)
cold-inflation pressure. Failure to
follow these instructions may
result in serious injury or death.
· Never inflate a wheel assembly
without having checked wheel
locknut torques to ensure the wheel
locknuts are tightened to
specifications. An assembly with
improperly tightened locknuts could
separate under pressure, resulting
in serious injury or death.
Tighten locknuts gradually to
avoid bent and broken studs, or
damage to wheel components will
(2) Tighten locknuts to 85 lb-ft
(115 N·m) in sequence shown;
repeat torque sequence at 110 lb-ft
(3) Inflate tire to recommended tire
pressure (TM 9-2320-387-10).