TM 9-4110-258-13
5.5 FAN DRIVE SHAFT REPLACEMENT.
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Equipment Conditions:
General Safety Instructions:
Refrigeration unit shut down (para 2.7) and power
WARNING
disconnected.
Evaporator fan removed (para 4.37).
High voltage and exposed rotating parts are
Condenser coil removed (para 5.30).
used in the refrigeration unit. Personal injury
Sheave removed (para 4.33).
can result if power 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 sheave (para 4.33).
Install and adjust V-belt (para 4.31).
Install condenser coil (para 5.30).
Install evaporator fan (para 4.37).
Connect power and put unit back into service.
5.6
REFRIGERATION SYSTEM REPAIRS.
The refrigeration system must be totally discharged (para 5.8) before any maintenance is performed on system
components. Leak testing (para 5.11) and dehydrator replacement (para 5.15) are required after any system component
has been removed and replaced. The system must be properly evacuated (para 5.12) and charged (para 5.13) to
function correctly.
5-7
