FUEL PUMP MAINTENANCE.
This task covers:
Tool Kit, General Mechanic's
Disconnect fuel line at heater assembly.
Place fuel line into container suitable for catching fuel.
Apply 24 VDC to electrical input of pump. Pump should hum. Fuel will then start flowing into the container.
Disconnect negative battery cable from right battery and the
positive battery cable from the left battery before doing the
following procedures. Failure to observe this warning could
result in severe personal injury or death.
Before disconnecting any coolant lines, let generator cool from
operation, then relieve pressure by opening radiator cap
carefully. Coolant is hot and under pressure and may cause
Keep spilled fuel away from hot engine and all fires, and wash
with warm water after getting any on skin. Fuel is highly
flammable and is irritating to skin.
Disconnect negative battery cable.
Disconnect electrical leads (1) from connector, Figure 4-22, on fuel pump (2).
3. Loosen screw clamps (3) to disconnect fuel line (4) and butt splice (5) from input end of fuel pump (2). Drain any
fuel from line into a suitable container.
4. Loosen screw clamp (3) to disconnect butt splice (5) and fuel line (6) from output end of fuel pump (2).
Drain any fuel from line into a suitable container.
Remove nut (8), lock washer (9), flat washer (10), and screw (11).
Remove fuel pump (2) from clamp (7).