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TM 5-4210-220-12
4-20. RADIATOR AND COOLING SYSTEM - Continued
4-20.4 Radiator Fan Belt.
This task covers
Replacement
TOOLS
MATERIALS/PARTS
Tool Kit, General Mechanic,
5133770 Belt Set, Matched
NSN 5180-00-177-7033
EQUIPMENT CONDITION
Main Engine Shutdown (see para. 2-10)
APU Shutdown (see para. 2-12)
Batteries Disconnected (see para. 4-24)
Engine Compartment Covers Removed
(see para. 4-12.11)
WARNING
Engine coolant can cause severe burns. Allow engine
to cool before attempting to maintain the fan belts.
CAUTION
Damage to truck could occur in the event belts are not
equally tensioned. Always replace the belts as a set.
REPLACEMENT
(1)
Loosen all four fan belt pulley locking bolts (1).
(2)
Rotate bolt (2) anticlockwise until belts are loose
enough to be pulled over pulley.
(3)
Pull belts over fan and discard.
(4)
Check new belts are a matched set and are in
good condition.
(5)
Push belts over the fan and loop them over the
top and bottom fan belt pulleys. Ensure they are
not crossed.
(6)
Rotate bolt (2) clockwise until belts are tight.
There should be 1/2 in. (1.2 cm) movement of
belts midway between the pulleys.
(7)
Tighten four fan belt pulley locking bolts to 68 ft lb
(92 Nm).
4-332/(4-333 Blank)
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