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 279 of 462

TM 9-2330-238-14

4-73. HEATER REPLACEMENT.

This Task Covers:

Removal (M313)

f.

Installation (M749 Southwest Model VRP)

Installation (M313)

g.

Removal (M749 Converto Model 8929)

Removal (M447, M447C, and M750)

h.

Installation (M749 Converto Model 8929)

Installation (M447, M447C, and M750)

i.

Inspection (All models)

e.

Removal (M749 Southwest Model VRP)

Initial Setup:

Equipment Conditions:

Materials/Parts:

●

Remove fuel lines (para 4-70).

●

Marker tags (Item 15, Appendix E)

●

Remove exhaust system (para 4-72).

●

M313

●

Open side bonnet doors.

– Four Iockwashers

• M447, M447C, and M750

Tools/Test Equipment:

–

Four Iockwashers

●

General mechanic’s tool kit

– Four rivets

– Four self-locking nuts

Personnel Required:

Two

●

M749 Southwest Model VRP

– Five Iockwashers

WARNING

Heaters may be hot. Allow heaters to cool before attempting replacement. Failure to

follow this warning can result In serious burns to personnel.

a.

REMOVAL (M313)

1.

Disconnect all electrical leads to heater (1).

2.

Remove four bolts (2) and Iockwashers (3) from heater (1) and heater duct assembly (1 1). Discard Iockwashers.

TA702053

4-181