TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 96 of 1337
TM 9-2320-260-20
Table 2-1. Unit Level Preventive Maintenance Checks and Services (Contd).
INTERVAL
ITEM TO
NOT FULLY
CHECK/
PROCEDURE
MISSION
SERVKE
CAPABLE IF:
Semi-
Cooling
a.
Inspect radiator (11) for clogged or bent fins and
Radiator is
annual
system
protruding objects. Clean radiator (11) and straighten
clogged, bent,
bent fins. Replace if damaged (para. 3-50).
or damaged.
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
loose condition. Tighten if loose. Replace if broken or
are cracked,
cracked (para. 3-50).
broken, or loose.
e.
Inspect water pump (10) for cracks, leaks, and loose
Water pump is
condition. Tighten if loose. Replace water pump (10) if
cracked, leaking,
broken or cracked (para. 3-55).
or loose.
f.
Inspect fan mounting screws (14) for security.
Fan mounting
Tighten 25-31 lb-ft (34-42 N
●
m) if loose.
screws are loose
or missing.
g.
Inspect fan (9) for cracks, bent blades, and missing
Fan is cracked,
or loose rivets and screws. Replace fan (9) if defective
bent, or broken.
(para. 3-53).
2-9
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