TM 9-2330-246-14
4-125. HEATER FUEL PUMP REPLACEMENT (M373A2D AND M373A5).
This Task Covers:
Removal
a.
b.
Installation
Initial Setup:
Equipment Conditions:
Materials/Parts:
Power disconnected from heater (TM 5-4520-233-14
Marker tags (Item 24, Appendix E)
or TM 5-4520-241-1 4).
Z Two Iockwashers
Tools/Test Equipment:
General mechanic's tool kit
Z Drain pan
REMOVAL
a.
WARNING
When working on heater fuel pump, the work area must be well-ventilated. Failure to
follow this warning may result in injury to personnel.
1.
Disconnect power cable (1) from fuel pump (2).
NOTE
Use a drain pan to catch any draining fuel.
Clean up all spills.
2.
Tag and disconnect fuel lines from fuel pump inlet
(5) and outlet (8).
Remove two nuts (3), lockwashers (4), flatwash-
3.
ers (6), and screws (7). Remove fuel pump (2).
Discard Iockwashers.
INSTALLATION
b.
1.
Install fuel pump (2) using two screws (7),
flatwashers (6), new Iockwashers (4), and nuts (3).
2.
Connect fuel lines to fuel pump inlet (5) and outlet
(8). Remove tags.
3.
Connect power cable (1) to fuel pump (2).
FOLLOW-ON TASKS:
. Connect power to heater (TM 5-4520-233-14 or TM 5-4520-241-1 4).
. Check operation of heater (para 2-18).
TA700366
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