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TM 9-4110-257-14
4-38.
V-BELTS REPLACEMENT AND ADJUSTMENT.
This task covers:
a.
Testing
b.
Removal
c.
Installation
INITIAL SETUP:
Materials/Parts:
General Safety Instructions:
Lock Washers (8)
WARNING
13, Appendix G
Equipment Conditions:
Exposed rotating parts are used in the
Refrigeration unit shut down (para 2-7) and battery
refrigeration unit. Personal injury can result if
disconnected (para 4-35)
battery is connected.
Both side condenser doors open.
a.
Removal.
(1)
Fan Belt.
(a)
Tag and disconnect connectors (1).
(b)
Loosen bolt (2) on idler arm (3) as necessary to release tension on V-belt (4).
(c)
Remove V-belt (4) from compressor (5) pulley.
(d)
Remove eight bolts (6) and lock washers (7). Discard lock washers.
CAUTION
Moving the fan drive shaft too far can cause damage to the evaporator fan or
coil.
(e)
Loosen two set screws (8) and carefully move fan drive shaft (9) just enough to work V-belt
(4) around support (10) and condenser fan (11).
(2)
Compressor Belts.
(a)
Remove fan belt (4) per above steps.
(b)
Loosen four bolts (12) on engine (13).
(c)
Turn two bolts (14) clockwise as necessary to release tension on two V-belts (15) and
remove from engine (13) and compressor (5) pulleys.
4-96
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