TM 10-4320-310-14
4-18. REPLACE FUEL LIFT PUMP (Continued)
INSTALLATION:
Death or serious Injury could occur If fuel is not handled
carefully. Use in a well-ventilated area away from open
flame, arcing equipment, Ignition sources, heaters, or
excessive heat. Engine must be turned off and cool before
refueling. Use proper refueling procedures and equipment
to avoid spillage. Do not run engine near open fuel
containers. Always store fuel In properly marked
containers. DO NOT SMOKE.
1
Install new gasket (3) and fuel lift pump (2).
2
Install two hexagon nuts (1) and flat washers (6).
3
Install inlet and outlet ring pieces and banjo bolts (5).
4
Install hoses onto outlet ring pieces (5).
OPERATIONAL CHECK:
NOTE
The fuel lift pump Is cam driven. If high point of camshaft
cam Is in contact with fuel lift pump cam lever, fuel system
cannot be primed using primer lever.
1
Check that fuel lift pump is operational by operating primer lever (4).
2
Engage hand crank in gear housing and rotate clockwise to change camshaft position.
3
Operate primer lever (4) on fuel lift pump and check for pumping action. If pumping action is not felt, continue to
rotate hand crank until cam position allows hand priming.
4-28