TM 9-4110-255-14
4-39. ENGINE PULLEY REPLACEMENT . - Continued
b. Installation.
(1) Install key (5) then slide pulley (3) and bushing (2) onto engine shaft (4). Align bushing over key.
(2) Install key (6) then align pulley (3) with key and slide onto bushing (2).
(3) Install three bolts (1) but do not tighten.
(4) Align engine pulley (3) with compressor pulley (7). Tighten three bolts (1) evenly to secure pulley to
bushing (2).
NOTE
FOLLOW-ON MAINTENANCE:
Install V-belts onto pulley and engine, then tension as necessary (para 4-38).
Connect battery (para 4-35) and put unit back into service.
4-40. IDLER PULLEY REPLACEMENT.
This task covers:
a. Removal
b. Installation
INITIAL SETUP
General Safety Instructions:
Materials/ Parts:
Lock Washers (4)
WARNING
2, Appendix G
Lock Washers (8)
Exposed rotating parts are used in the
1, Appendix G
refrigeration unit. Personal injury can result if
battery is connected.
Equipment Conditions:
Refrigeration unit shut down (para 2-7) and battery
disconnected (para 4-35).
a. Removal.
(1) Remove eight bolts (1), lock washers (2), and access plate (3). Discard lock washers.
(2) Loosen bolt (4) to relax tension on fan V-belt (5). Work fan V-belt off compressor pulley.
(3) Slide idler arm (6) off idler bracket (7).
(4) Loosen set screw (8), then slide bushing (9) and dler pulley (10) off idler shaft (11).
i
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