TM 9-2320-272-24-3
4-218. PERSONNEL FUEL BURNING HEATER FUEL PUMP (M939/A1) REPLACEMENT
THIS TASK COVERS:
b. Installation
a. Removal
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
M939/A1
TM 9-2320-272-10
TM 9-2320-272-24P
TOOLS
General mechanic's tool kit (Appendix E, Item 1)
EQUIPMENT CONNECTION
l Parking brake set (TM 9-2320-272-10).
MATERIALS/PARTS
Battery ground cables disconnected (para. 3-126).
l
Two locknuts (Appendix D, Item 313)
GENERAL SAFETY INSTRUCTIONS
Antiseize tape (Appendix C, Item 72)
Cap and plug set (Appendix C, Item 14)
Diesel fuel is flammable. Do not perform this
procedure near open flames.
PERSONNEL REQUIRED
Two
a. Removal
WARNING
Diesel fuel is flammable. Do not perform this procedure near open
flames. Injury to personnel may result.
1.
Disconnect wire (17) from wire (16) on electrical wire clip (15).
CAUTION
Cover or plug all openings after disconnecting lines and hoses to
prevent contamination. Failure to do this may result in fuel pump
damage.
2.
Disconnect hose (4) from adapter (3).
3.
Disconnect hose (5) from adapter (6).
4.
Remove locknut (10) and screw (12) from left-hand splash panel (11) and fuel pump mounting
bracket (9). Discard locknut (10).
5.
Remove locknut (10), screw (12), fuel pump (8), washer (13), wire clip (15), and washer (14) from
1eft-hand splash panel (11). Discard locknut (10).
6.
Remove adapter (6) from elbow (7).
7.
Remove adapter (3) from fuel shutoff valve (2).
8.
Remove fuel shutoff valve (2) from elbow (1).
9.
Remove elbows (1) and (7) from fuel pump (8).
b. Installation
NOTE
Clean all male pipe threads and wrap with antiseize tape before
installation.
1.
Install
elbows (7) and (1) on fuel pump (8).
2.
Install
fuel shutoff valve (2) on elbow (1).
3.
Install
adapter (3) on fuel shutoff valve (2).
4.
Install
adapter (6) on elbow (7).
4-1010