TM 9-4520-260-13
5-6. BLOWER/MOTOR/VENT ASSEMBLY - CONTINUED
8. Remove two screws (16), two lockwashers (17), two mounting pins (18), and two rubber tubes (19) from heater case
(11).
9. Remove four screws (20) securing blower/motor/vent assembly (10) to the heat exchanger (4). Separate heat
exchanger and blower/motor/vent assembly.
1. Remove four screws (1) and four washers (2) that secure motor mount (3) to fan mount plate (4) and remove fan
mount plate.
2. Remove four wellnuts (5) from fan mount plate (4).
3. Loosen set screw (6) securing fan (7) to shaft of motor (8). Remove fan.
4. Remove tape (11).
5. Remove housing (12).
6. Loosen set screw (15) that secures blower wheel (13) to motor shaft and remove blower wheel (13).
8. Loosen set screw (16) that secures blower wheel (17) to motor shaft and remove blower wheel (17).
9. Remove two nuts (18) and washers (19) securing motor (8) to blower back plate (20) and remove blower baci plate
(20) from motor (8).
10. Loosen screw (9) with lockwasher (10) and remove motor mount (3) from motor (8).
CLEANING
INSPECTION
Inspect all parts for wear, cracks, overheating, or damage. Replace any defective parts.
1. Install motor mount (3) on motor (8) and secure with screw (9) and lockwasher (10).
2. Position blower back plate (20) on motor (8) and secure with two nuts (18) and washers (19).
5-16