TM-9-2330-238-14

CHASSIS, SEMITRAILER: 6-TON, 4-WHEEL M295A1; SEMITRAILER, VAN: EXPANSIBLE, 6-TON, 4-WHEEL M313; SEMITRAILER, VAN: SHOP, FOLDING SIDES, 6-TON, 4-WHEEL M447 AND M447C; SEMITRAILER, VAN: REPAIR PARTS, SHOP EQUIPMENT, 6-TON, 4-WHEEL M749; SEMITRAILER, VAN: REPAIR PARTS STORAGE, 6-TON, 4-WHEEL M750

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL

JULY 1992

TM-9-2330-238-14 - Page 280 of 462

TM 9-2330-238-14

4-73. HEATER REPLACEMENT (Con’t).

3.

Remove heater (1), plate (9), and gasket (10) from top of heater duct assembly (11). Discard gasket.

4.

Remove two setscrews (5), four screws (4), and heater cover assembly (8) from heater duct assembly (11).

5.

Remove four screws (7) and two sheet spring nuts (6).

b.

INSTALLATION (M313)

1.

Position two sheet spring nuts (6) on heater duct assembly (11) and secure with four screws (7).

2.

Install heater cover assembly (8) on heater duct assembly (11) and secure with four screws (4) and two

setscrews (5).

3.

Position heater (1), plate (9), and gasket (10) in place on heater duct assembly (11).

4.

Secure heater (1) to heater duct assembly (11) with four bolts (2) and new Iockwashers (3).

5.

Connect all electrical leads to heater (1).

c. REMOVAL (M447, M447C, AND M750)

1.

Disconnect all electrical leads to heater (12).

2.

Remove four bolts (13), Iockwashers (19), and self-locking nuts (20) from heater (12) and deflector assembly

(14). Discard Iockwashers and self-locking nuts.

TA702054

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