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TM 9-4110-257-14
4-44.
FLANGE BEARINGS REPLACEMENT.
This task covers:
a.
Testing
b.
Removal
c.
Installation
INITIAL SETUP:
Materials/Parts:
General Safety Instructions:
Lock Washers (4)
WARNING
16, Appendix G
Lock Washers (6)
Exposed rotating parts are used in the
13, Appendix G
refrigeration unit. Personal injury can result if
battery is connected.
Self Locking Nuts (4)
17, Appendix G
Equipment Conditions:
Refrigeration unit shut down (para 2-7) and battery
disconnected (para 4-35).
Condenser fan removed (para 4-39).
Fan V-belt removed (para 4-38).
a.
Removal.
(1)
Remove four self locking nuts (1), bolts (2), and flat washers (3) from flange bearing (4). Discard
self locking nuts.
(2)
Remove two nuts (5), and lock washers (6). Discard lock washers.
(3)
Remove six bolts (7), lock washers (8), top support (9), bottom support (10), and two lock washers
(11). Discard lock washers.
(4)
Loosen two set screws (12) and remove flange bearing (4) from fan drive shaft (13).
(5)
Loosen set screw (14) and slide fan clutch (15) off fan drive shaft (13) being careful not to lose key
(16).
(6)
Remove four bolts (17) and lock washers (18). Discard lock washers.
(7)
Slide flange bearing (19) off fan drive shaft (13).
4-110
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