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 1049 of 1207
TM 9-2320-361-20
14-29. PRIMARY HEATER FUEL SHUTOFF AND COUPLING REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
M019A3 and M185A3
MATERIALS/PARTS
Three gaskets
Antiseize tape (Appendix C, Item 27)
REFERENCES (TM)
TM 9-2320-361-10
TM 9-2320-361-20P
EQUIPMENT CONDITION
Parking brake set (TM 9-2320-361-10).
Fuel tank drained (para. 3-24).
Fuel tank filler cap and sleeve removed
(para. 3-22).
GENERAL SAFETY INSTRUCTIONS
Keep fire extinguisher nearby when working with
open fuel lines.
WARNIN G
Do not perform this procedure while smoking or within 50 feet of
sparks or open flame. Fuel is flammable and can explode easily,
causing injury or death to personnel and damage to equipment.
NOTE
Have drainage container ready to catch fuel.
1. Remove hose (8) from shutoff (1) and allow fuel to drain from hose (8).
2. Remove shutoff (1) from nipple (2).
3. Remove nipple (2) and plug (3) from tee (4).
4. Remove tee (4) from coupling (5).
5. Reach through fuel fill port (10) and remove nut (12), sleeve (13), and tube (11) from adapter (14).
6. Remove adapter (14) from nut (15).
7. Remove nut (15), two gaskets (6), washer (7), coupling (5), gasket (6), and washer (7) from fuel
tank (9). Discard gaskets (6).
NOTE
Wrap male pipe threads with antiseize tape prior to installation.
b. Installation
1.
2.
3.
4.
5.
6.
7.
Reach through fuel tank fill port (10) and install nut (15), two new gaskets (6), washers (7), new
gasket (6), and coupling (5) on fuel tank (9).
Install adapter (14) on nut (15).
Install sleeve (13), nut (12), and tube (11) on adapter (14).
Install tee (4) on coupling (5).
Install nipple (2) and plug (3) on tee (4).
Install shutoff (1) on nipple (2).
Install hose (8) on shutoff (1).
14-44
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