TM 9-2320-272-24-1
Table 2-1. Unit Preventive Maintenance Checks and Services (Contd).
ITEM TO
NOT FULLY
ITEM INTERVAL
CHECK/
MISSION
PROCEDURE
NO.
SERVICE
CAPABLE IF:
Front
13 Semi-
j. Test drag brake for proper operation (para. 3-324).
annual
winch
k. Test winch automatic brake for proper operation
(Contd)
(para. 3-323).
a. Inspect hood support bar and locking pins for
Hood
14
Semi-
condition and security of mounting. If support bar or
annual
locking pins are defective, repair or replace as required
(para. 3-269).
b. Inspect hood stop cables for condition and security of
mounting. If stop cables are defective, repair or replace as
required (para. 3-270).
c. Lubricate hood trunnion every 3,000 mi. (4,800 km) or
3 months, whichever occurs first.
EXPECTED TEMPERATURES
+40F TO -15F
+40F TO -65F
ABOVE 15F
(+4C TO -54C)
(ABOVE -9C)
(+4C TO -26C)
All temperatures
GAA
Grease, automotive and
artillery (MIL-G-10924)
d. Lubricate hood hinges every 1,000 mi. (1,600 km) or
monthly, whichever occurs first.
EXPECTED TEMPERATURES
+40F TO -15F
+40F TO -65F
ABOVE 15F
(+4C TO -54C)
(+4C TO -26C)
(ABOVE -9C)
OE/HDO 10
OE/HDO 30
OE/HDO
Lubricating oil, internal
combustion engine
(MIL-L-2104)
OEA
OEA
Lubricating oil, internal
combustion engine (arctic)
(MIL-L-46167)
Inspect front light cable assembly wiring for frays,
15
Semi-
Front
annual
lights and
splits, missing or damaged insulation, or poor
connections. Repair affected wiring (para. 3-131).
cable
assembly
a. Check two front engine mounting trunnion screws
Motor
16
Semi-
for tightness. If engine mounting trunnion screws are
annual
mount
trunnions
loose, notify your supervisor.
b. Tighten five lower trunnion mount screws 65-75 lb-ft
(88-102 Nm).
c. On M939A2 series vehicles, check two front mounting
locknuts for tightness. Tighten mounting locknuts
75-85 lb-ft (102-115 Nm).
2-14
