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TM 9-2320-360-20-1
Table 2-1. Preventive Maintenance Checks and Services (Cont)
ITEM TO BE
NOT FULLY
ITEM
INTERVAL
CHECKED OR
PROCEDURE
MISSION
NO.
SERVICED
CAPABLE IF:
27
Annually
EXTERIOR
a.
Check mud flap (1) for rips and loose
or missing mounting hardware. If fault
is found, refer to mud flap replacement
(para 16-6).
b.
Check winch personnel guard (2) for
cracks, bends, and loose or missing
mounting hardware. If faults are
found, refer to personnel guard
replacement (para 17-8).
NOTE
27.1
Annually
COOLING
SYSTEM
Fan clutch checks must be done when the
engine coolant temperature is less than
195° F(91° C).
a.
Pull fan blade forward and then toward
engine. There should be no forward or
rearward movement of fan mounting hub
(1). If fault is found, replace fan clutch
(para 6-9).
b.
Push tip of a fan blade with light force
clockwise, then counterclockwise. If
rotational movement exceeds 1/2 in. (12.7
mm), replace fan clutch(para 6-9).
2-56.2 Change 3
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