TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 1119 of 1337
TM 9-2320-260-20
I
14-2. FUEL BURNING PERSONNEL HEATER REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
APPLICABLE MODEL
REFERENCES (TM)
All
TM 9-2320-260-10
MATERIALS/PARTS
TM 9-2320-260-20P
Five lockwashers
EQUIPMENT CONDITION
Two cotter pins
●
Parking brake set (TM 9-2320-260-10).
Five locknuts
●
Hood raised and secured (TM 9-2320-260-10).
• Battery ground cable disconnected (para. 4-48).
1.
2.
3.
4.
5.
6.
7.
8.
9.
Remove four locknuts (23), washers (24), screws (20), and fuel pump shield (19) from splash
panel (21). Discard locknuts (23).
Close fuel valve (25) at fuel pump (22).
Disconnect harness (5) from heater (6).
Remove locknut (12), screw (9), lockwasher (10), and ground wire (13) from headlight bracket (11)
and fender (26). Discard locknut (12) and lockwasher (10).
Disconnect fuel line (7) from elbow (8).
Remove two cotter pins (16), exhaust tube (18), and exhaust elbow (17) from heater (6). Discard
cotter pins (16).
Loosen clamp (27) and remove duct (1) from adapter (2).
Remove two clamps (15) and heater (6) from platform (14).
Remove four screws (4), lockwashers (3), and adapter (2) from heater (6). Discard lockwashers (3).
1.
2.
3.
4.
5.
6.
7.
8.
9.
Install adapter (2) on heater (6) with four new lockwashers (3) and screws (4).
Install heater (6) on platform (14) with two clamps (15).
Install duct (1) on adapter (2) and tighten clamp (27).
Install exhaust elbow (17) and exhaust tube (18) on heater (6) with two new cotter pins (16).
Connect fuel line (7) to elbow (8).
Connect harness (5) on heater (6).
Install ground wire (13) on fender (26) and headlight bracket (11) with new lockwasher (10),
screw (9), and new locknut (12).
Open fuel valve (25) at fuel pump (22).
Install fuel pump shield (19) on splash panel (21) with four screws (20), washers (24), and new
locknuts (23).
14-2
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