TM 9-6115-664-13&P
4-55. MECHANICAL FUEL PUMP MAINTENANCE
This task covers removal, inspection, and installation
INITIAL SETUP
Tools:
Equipment Condition:
Shop Equipment, Automotive Maintenance
APU Shut Down
and Repair (Item 1, App. B)
NATO Plug Disconnected
A.
REMOVAL.
1.
Open top front cover on APU enclosure by turning
latches.
2.
Remove banjo bolts (1, Figure 4-45), washers (2),
fuel pipes (3), and gaskets (4) from fuel pump (5).
3.
Remove fuel pump (5) from engine studs (6) by
removing two nuts (7) and washers (8). Remove
gasket (9).
B.
INSPECTION.
1.
Inspect engine fuel hose for punctures, cuts, tears,
deterioration, or other damage.
2.
Inspect fuel feed pump for damage. Inspect for
evidence of leakage or corrosion.
3.
Refer to Troubleshooting, Table 4-9, for testing of
the mechanical fuel pump.
C.
INSTALLATION.
1.
Mate gasket (9, Figure 4-45) to fuel pump (5). Install
pump onto studs (6) and secure using two nuts (7)
and washers (8).
2.
Attach fuel pipes (3) to fuel pump (5) using bolts (1),
washers (2), and gaskets (4).
3.
Close top front cover and secure using latches.
Figure 4-45. Mechanical Fuel Pump
4-125
