C3, TM 9-2320-211-20
Table 2-2. Organizational Preventive Maintenance Checks and Services (continued).
S-Semiannually
B-Biennially
A-Annually
Interval
Item To Be
Item
sA B
Inspected
Procedures
No.
--
c. Check each tire for wear using tire tread depth gage as shown
q
below. Tread depth should not be less than 1/8".
d. Make sure all wheel lug nuts are present and tight on each wheel.
q
Torque 450-500 lb-ft (610-678 N.m).
e. Inspect wheel side rings for dents, bends, or breaks that could
q
cause them to pop off when tires are being inflated.
VEHICLE UNDERSIDE:
Frame and
18
a. Inspect frame side rails for cracks, breaks, bends,
q
crossmembers
b. Inspect crossmembers for missing rivets, bolts, obstructions to
q
other components, breaks, and wear.
19
Rear axles,
a. Inspect rear axle housings for dents, and cracks that could cause
q
differentials
leaks.
b. Insure axle housing grease fittings, plugs, and fittings are present
q
and secure.
c. Inspect differentials for dents and cracks that could cause leaks.
q
d. Insure that differential fill plug (2) and drain plug (3) are not
q
leaking and are secure.
2-10.2