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TM 9-4110-257-14
5-4.FAN DRIVE SHAFT REPLACEMENT.
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Equipment Conditions:
Refrigeration unit shut down.
Evaporator fan removed (para. 4-40).
Fan clutch removed (para. 4-45).
Condenser coil removed (para. 5-19).
General Safety Instructions:
WARNING
Exposed rotating parts are used in the refrigeration unit. Personal injury
can result if battery is connected.
a.
Removal. Remove fan drive shaft (1).
b.
Installation. Install fan drive shaft (1).
Figure 5-3. Fan Drive Shaft
NOTE
FOLLOW-ON MAINTENANCE:
Install fan clutch (para. 4-45).
Install condenser fan (para. 4-39).
Install evaporator fan (para. 4-40).
Install condenser coil (para. 5-19).
Connect battery (para. 4-35) and put unit back into service.
5-5.
REFRIGERATION SYSTEM REPAIRS.
The refrigeration system must be totally discharged (para. 5-7) before any maintenance is performed on system
components. Leak testing (para. 5-10) and dehydrator replacement (para. 5-14) are required after any system
component has been removed and replaced. The system must be properly evacuated (para. 5-11) and charged (para. 5-
12) to function correctly.
5-7
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