TM-9-2320-361-34
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
MAY 1992
TM-9-2320-361-34 - Page 657 of 764
TM9-2320-361-34
17-6. ENGINE COOLANT HEATER FUEL CONTROL VALVE REPLACEMENT
THIS TASK COVERS:
a. Removal
b.
Installation
INITIAL SETUP
APPLICABLE MODELS
All
TEST EQUIPMENT
Multimeter (Appendix B, Item 3)
TOOLS
General mechanic’s tool kit
(Appendix B, Item 1)
Tool kit, electrical (Appendix B, Item 2)
REFERENCES (TM)
TM 9-2320-361-20
TM 9-2320-361-34P
EQUIPMENT CONDITION
Engine coolant heater removed (TM 9-2320-361-20).
a. Removal
NOTE
Tag wires for installation.
1. Remove four screws (8) and guard (7) from heater housing (6).
2.
Remove nut-assembled lockwasher (2), ground lead (3), air tube (4), and elbows (1) and (5) from
heater housing (6).
3. Disconnect fuel control valve leads (9) and (10) from tab connector (19).
4. Loosen nut (16) and slide down fuel tube (15).
5. Remove screw-assembled lockwasher (22) and lead (21) from heater component bracket (20).
6. Remove screw-assembled lockwasher (11) and lead (17) from flame detector switch (18).
7. Remove two screw-assembled lockwashers (13) and fuel control valve (12) from bracket (14).
b. Installation
1.
2.
3.
4.
5.
6.
7.
Position fuel control valve (12) on fuel tube (15) and bracket (14).
Tighten nut (16) and install fuel control valve (12) on bracket (14) with two screw-assembled
lockwashers (13).
Install lead (21) on heater component bracket (20) with screw-assembled lockwasher (22).
Install lead (17) on flame detector switch (18) with screw-assembled lockwasher (11).
Connect fuel control leads (9) and (10) on tab connector (19).
Install air tube (4), elbows (1) and (5), and ground lead (3) on heater housing (6) with nut-assembled
lockwasher (2).
Install guard (7) on heater housing (6) with four screws (8).
17-14
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