TM 9-2320-260-20
Table 2-1. Unit Level Preventive Maintenance Checks and Services (Contd).
NOT FULLY
ITEM TO
PROCEDURE
INTERVAL
CHECK/
MISSION
CAPABLE IF:
SERVKE
Semi-
Cooling
Radiator is
a. Inspect radiator (11) for clogged or bent fins and
clogged, bent,
annual
system
protruding objects. Clean radiator (11) and straighten
or damaged.
bent fins. Replace if damaged (para. 3-50).
b. Test coolant freeze point to determine if solution is
proper for climate (para. 3-45).
c. Inspect radiator (11) for corrosion. If excessive
corrosion is found, flush radiator (11). Flush radiator (11)
and cylinder block (13) every four years (para. 3-45).
d. Inspect radiator mounts (12) for cracks, breaks, and
Radiator mounts
are cracked,
loose condition. Tighten if loose. Replace if broken or
broken, or loose.
cracked (para. 3-50).
Water pump is
e. Inspect water pump (10) for cracks, leaks, and loose
cracked, leaking,
condition. Tighten if loose. Replace water pump (10) if
or loose.
broken or cracked (para. 3-55).
Fan mounting
f. Inspect fan mounting screws (14) for security.
screws are loose
Tighten 25-31 lb-ft (34-42 N q m) if loose.
or missing.
Fan is cracked,
g. Inspect fan (9) for cracks, bent blades, and missing
bent, or broken.
or loose rivets and screws. Replace fan (9) if defective
2-9
