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TM 5-4210-220-12
4-23. FUEL SYSTEM AND AIR INTAKE - Continued
4-23.2 Fuel Pump - Continued
(9)
Remount
pump
in
clamp
ring
and
reconnect electrical lead.
(10)
Check pump discharge hose is free of any
cracks or kinks. Replace as required.
(11)
Check all hanger assembly bolts are tight.
(12)
Remove any old gasket material from
pump and tank flange.
(13)
Carefully place new gasket over hanger
assembly and onto pump flange.
INSTALLATION
(1)
Carefully slide assembled pump and
hanger into fuel tank.
(2)
Using a flat screwdriver, install the 10
screws and washers securing flange to
tank.
(3)
Reconnect main engine fuel delivery line.
(4)
Reconnect
pump
ground
wire
and
electrical lead. Be sure tank level sender
ground wire is also reconnected.
(5)
Test pump by pressing PUMP PRIME
pushbutton in the cab. Ensure pump
hums.
(6)
Replace aluminum decking over fuel tank
compartment.
REPAIR
NOTE
All repairs require priming pump
to be removed from fuel tank. See
REMOVAL preceding.
a.
Discharge Hose Repair
(1)
Remove hose clips from both ends of the discharge hose.
(2)
Pull discharge hose of pump and flange fittings.
(3)
Replace hose with piece of similar length and internal diameter. Ensure it is compatible with diesel fuel.
4-396
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