TM-9-2320-361-20

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

OCTOBER 1991

TM-9-2320-361-20 - Page 777 of 1207

TM 9-2320-361-20

11-42. PERSONNEL HOT WATER HEATER REPLACEMENT

This task covers

a. Hoses and Adapters Removal

d. Brackets Installation

b. Heater Removal

e. Heater Installation

c. Brackets Removal

f. Hoses and Adapters Installation

INITIAL SETUP:

APPLICABLE MODELS

EQUIPMENT CONDITION

All

Parking brake set (TM 9-2320-361-10).

MATERIALS/PARTS

Hood raised and secured (TM 9-2320-361-10).

Battery ground cable disconnected (para. 4-47).

Fourteen locknuts

Two engine coolant heater hoses removed

Twelve lockwashers

(para. 3-44).

REFERENCES (TM)

TM 9-2320-361-10

TM 9-2320-361-20P

NOTE

In some installations, fresh air hood, screen, and elbow are mounted

on left side panel.

a. Hoses and Adapters Removal

1. Loosen two clamps (1) and remove inlet hose (14) from elbow (24) and adapter (17).

2. Loosen two clamps (1) and remove outlet hose (13) from adapters (9) and (12).

3. Remove eight screws (11), lockwashers (10), and adapter (12) from heater (4). Discard lock-

washers (10).

4. Remove four screws (15), lockwashers (16), and adapter (17) from heater (4). Discard

lockwashers (16).

5. Remove three locknuts (2), elbow (24), screen (23), hood (20), and three screws (19) from hood side

panel (21). Discard locknuts (2).

b. Heater Removal

1. Disconnect electrical plugs (5).

2. Remove screw (7), clamp (6), and wire (8) from heater (4).

3. Remove four locknuts (18), heater (4), and screws (3) from bracket (22). Discard locknuts (18).

11-80