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TM 5-4210-220-12
4-19. WINTERIZATION SYSTEM-Continued
4-19.5 Winterization Heater-Continued
n.
Fuel Pump Repair-Continued
(11) Check pressure control valve (21) for broken spring. Replace control valve assembly if any damage
is detected.
(12) Replace fuel pump complete if gears or body show any damage, or there is excessive gear to
body clearance.
(13)
Install new pump through nozzle holder plate (3) and attach with two capscrew (12) and washers (13).
(14)
Install drive gear (2) and circlip (1) on fuel pump shaft (19).
(15)
Install fuel pressure line (10) between fuel pump (11) and nozzle holder (18).
(16)
Install plate (3) on blower assembly using four capscrews (5) and washers (4).
(17) Reconnect fuel inlet (8) and return lines (15) using new sealing washers (7, 9, 14, 16) on banjo
bolts (6, 17).
(18)
Plug ignition leads into electrodes.
(19)
Connect plug to fuel solenoid valve.
(20)
Replace flame detector and install assembly in truck as described in d. preceding.
4-310
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