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 TM5-4210-224-14&P
4-135. BLOWER MOTOR REPLACEMENT.
This task covers:
a. Removal
b. Installation
Equipment Condition
INITIAL SETUP :
Para.
Condition Description
Instrument Bezel Removed
Tools
Heater Distributor and Core
General Mechanics Tool Kit
Removed
Materials/Parts
Heater/Defroster Cables
Removed
RTV Sealer (Appendix D, Item 37)
General Safety Instructions
Blower Motor (22020945)
Engine OFF.
Transmission in (N) neutral.
Parking brake and micro-brakelock set.
Batteries disconnected.
REMOVAL
a.
Disconnect blower motor lead wire (1).
b.
Remove motor and wheel assembly (2) by
removing five mounting screws (3).
c.
Remove motor cooling tubes (4 and 5).
d.
Remove blower wheel to shaft nut (6).
e.
Remove blower wheel (7) from the motor (8).
e.
Place a new bead of RTV sealer (Appendix D,
Item 37) to the mounting flange.
INSTALLATION
f.
Connect the blower motor lead wire (1).
a.
Connect blower wheel (7) to the motor (8).
g.
Install heater distributor and core (paragraph
Place the open end of the wheel (7) away
from the blower motor (8).
h.
Install heater/defroster cable (paragraph 4-
b.
Install motor shaft nut (6).
139).
c.
Install the motor and wheel assembly (2).
i.
Install instrument bezel (paragraph 4-126).
d.
Install motor cooling tubes (4 and 5).
j.
Reconnect battery cables.
k.
Test the blower to ensure it is operational.
4-185
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