TM 9-2320-272-24-3
4-217. PERSONNEL FUEL BURNING HEATER AND MOUNTING BRACKET (M939A2)
REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
M939A2
TM 9-2320-272-10
TM 9-2320-272-24P
TOOLS
EQUIPMENT CONDITION
General mechanic's tool kit (Appendix E, Item 1)
Parking brake set (TM 9-2320-272-10).
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MATERIALS/PARTS
Hood raised and secured (TM 9-2320-272-10).
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Lockwasher (Appendix D, Item 353)
Fuel shutoff valve closed (TM 9-2320-272-10).
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Four locknuts (Appendix D, Item 299)
Battery ground cables disconnected (para. 3-126).
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Cotter pin (Appendix D, Item 71)
GENERAL SAFETY INSTRUCTIONS
Antiseize tape (Appendix C, Item 72)
Diesel fuel is flammable. Do not perform this
PERSONNEL REQUIRED
procedure near open flames.
Two
a. Removal
WARNING
Diesel fuel is flammable. Do not perform this procedure near open
flames. Injury to personnel may result.
1.
Disconnect heater harness (13) from heater (1).
2.
Disconnect hose (4) from adapter (3).
3.
Remove adapter (3) from heater (1).
4.
Remove cotter pin (10) from elbow (11) and exhaust port (14). Discard cotter pin (10).
6.
Bemove two clamps (2) and heater (1) from brackets (9) and (21).
6.
Remove two locknuts (8), washers (7), screws (5), washers (6), and bracket (9) from two mounting
brackets (12). Discard locknuts (8).
7.
Remove two locknuts (19), washers (20), screws (15), bracket (21), two washers (18), lockwasher (17),
and ground wire (16) from two mounting brackets (12). Discard lockwasher (17) and locknuts (19).
b. Installation
NOTE
Clean all male pipe and hose threads and wrap with antiseize tape
before installation.
1.
Install bracket (21) on two mounting brackets (12) with two washers (18), new lockwasher (17),
ground wire (16), two screws (15), washers (20), and new locknuts (19).
2.
Install bracket (9) on two mounting brackets (12) with two washers (6), screws (5), washers (7), and
new locknuts (8).
3.
Install heater (1) on brackets (9) and (21) with two clamps (2).
4.
Install new cotter pin (10) on elbow (11) and exhaust port (14).
5.
Install adapter (3) on heater (1).
6.
Connect hose (4) to adapter (3).
Connect heater harness (13) to heater (1).
7.
4-1008
