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TM 5-4210-220-12
4-19. WINTERIZATION SYSTEM - Continued
n.
Fuel Pump Repair
NOTE
This can be replaced without removing complete unit from truck.
(1)
Remove flame detector as described in d. preceding.
(2)
Unplug electrodes from ignition leads.
(3)
Disconnect plug to fuel solenoid valve.
(4)
Remove fuel supply line (10) from fuel pump (11) and nozzle holder (18).
(5)
Remove banjo bolt (6). Remove fuel inlet line (8), and seals (7) and (9).
(6)
Remove banjo bolt (17). Remove fuel return line (15) and seals (14 and 16).
(7)
Remove four capscrews (5) and washers (4) and lift plate (3) away from blower assembly.
(8)
Remove circlip (1). Remove drive gear (2) from pump shaft (19).
(9)
Remove two capscrews (12) and washers (13). Lift fuel pump off plate (3).
(10)
Check fuel pump filter (22) for contamination. Clean with clean fuel.
4-309
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