TM 9-2320-260-20
Table 2-1. Unit Level Preventive Maintenance Checks and Services (Contd).
NOT FULLY
ITEM TO
PROCEDURE
ITEM
INTERVAL
MISSION
CHECK/
CAPABLE IF:
SERVICE
NO.
EXPECTED TEMPERATURES
ABOVE 15F
+40F TO -15F
+40F TO -65F
[ABOVE -9C]
(+4C TO -26C]
(+4C TO -54C)
GAA - Grease, automotive
All Temperatures
and artillery
(MIL-G-10924)
OE/HDO 30
OEA
OE/HDO 30
OE-HDO - Lubricating oil, internal
combustion engine
(MIL-L-2104)
OEA - Lubricating oil, internal
combustion engine (arctic)
(MIL-L-46167)
Inspect for breaks, cracks, and loose condition. Tighten if
Steering
24
Semi-
Steering
loose. Notify your supervisor if damaged.
knuckles are
annual
knuckles
broken, cracked,
and
or loose.
steering
arm
25
Semi-
a. Inspect for breaks, cracks, and loose condition.
Tie rod, drag
Tie rod,
Tighten if loose. Replace if cracked or broken (para. 9-9,
link, or pitman
annual
drag link,
9-11, or 9-12).
and pit-
arm is cracked
or broken.
man arm
b. Lubricate two drag link fittings (10) and tie rod end
fitting (9) at each side of vehicle with GAA every 3
months or 3,000 mi (4,827 km) (LO 9-2320-260-12).
26
Semi-
Front end Check front end for correct alignment. Correct toe-in is
alignment 1/16-3/16 in. (1.588-4.762 mm). Adjust toe-in if
annual
necessary (para. 9-8).
27
Semi-
Front axle Check each for overheating, which can indicate low
lubrication levels. If any of these components are over-
annual
and dif-
heated, check fluid level, and add or fill if necessary.
ferential
a. Ensure axle housing (1) grease fittings and plugs are
present and tight. Replace if missing. Tighten if loose.
b. Remove breather valve (2), and clean, check, and oil
sparingly with 0E/HD0. Lubricate with OE/HDO every
1,000 mi (1,609 km). If vehicle does not accumulate
1,000 mi (1,609 km) in a 6-month period, lubricate at
time of preventive maintenance service.
c. Inspect differential (3) seals for leaks. Notify your
supervisor if leaking.
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