TM-5-3805-254-34

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

MARCH 1993

TM-5-3805-254-34 - Page 643 of 727

TM 5-3805-254-34

15-32. HEATER FAN MOTOR REPLACEMENT (Con’t).

5.

Loosen setscrew (13) and remove blower wheel

(14) from motor shaft (17).

6.

Remove two locknuts (12), plate (15), and

gasket (16) from motor (8).

Discard locknuts

and gasket.

7.

Repeat steps 2 through 6 for other heater fan

motor.

b.

INSTALLATION

NOTE

Both heater fan motors are Installed In the same manner.

1.

Install new gasket (16) and plate (15) on motor (8) with two new locknuts (12).

2.

Position blower wheel (14) on motor shaft (17) and tighten setscrew (13).

3.

Install new gasket (9), housing (7), and motor (8) on heater box (4) with three new locknuts (11).

4.

Connect motor wire (10).

5.

Install plate (6) on housing (7) with three screws (5).

6.

Repeat steps 1 through 5 to install other heater fan motor, if removed.

TA704199

15-95