TM 10-6640-239-13
5-24
5-13. FUME VENT BLOWER AND MOTOR.
This task consists of:
a. Remove
b. Install
INITIAL SET-UP
Tools Required
General Mechanics Tool Kit, (Appendix B, Section III, Item 1)
Materials/Parts Required
Lockwashers, (4)
General Safety Instructions
WARNING
ELECTRICAL SHOCK
Before performing any maintenance actions on electrical equipment, ensure all
electrical power has been turned off. Failure to comply with this warning may
result in serious injury or death.
REMOVE
Remove Fume Vent Blower and Motor. See Figure 5-9.
a.
At Power Panel No.2, set circuit breaker A15CB11 OFF.
b.
Remove access panel from blower motor junction box (1). Tag and disconnect wiring and conduit (2).
c.
Loosen clamp (3) and disconnect discharge duct (4) from blower housing (5).
d.
Remove four nuts (6), eight lockwashers (7), washers (8) four dampers (9), and screws (10) securing motor bracket
(11) to equipment shelf (12). Discard lockwashers.
e.
Loosen clamp (13) on suction duct (14) and remove blower motor (15) and motor bracket (11) from equipment shelf
(12).
f.
Remove four screws (16), eight washers (17), four lockwashers (18), nuts (19), and blower motor (15) from motor
bracket (11). Discard lockwashers.
g.
On small fume vent blower and motor, remove two screws (20) and discharge adapter (21) from blower housing (5).
INSTALL
Install Fume Vent Blower and Motor. See Figure 5-9.
a.
Install discharge adapter (21) and secure with two screws (20).
b.
Position blower motor (15) on motor bracket (11) and secure with four screws (16), eight washers (17), four
lockwashers (18), and nuts (19).
c.
Place blower motor (15) and motor bracket (11) on equipment shelf (12) and secure suction duct (14) to blower
housing (5) by tightening clamp (13).
d.
Secure motor bracket (11) to equipment shelf (12) with four nuts (6), eight lockwashers (7), washers (8), four
dampers (9), and screws (10).
e.
Install discharge duct (4) and secure by tightening clamp (3).
f.
Connect wiring and conduit (2) to blower motor (12) and junction box (1). Remove tags.
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