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Crusader
MC-8
MAINTENANCE
[ o,c, _ _
9 _-2_A _ _
DAIE
_...:...;_cf' . /lo..:....:....rc_h ,___, 1_97_6 _] .
MANUAL
FUEL
FUEL PUMP
FUEL FILTER
FUEL STRAINER
FUEL INJECTOR
SHUT-OFF COCK
FUEL TANK
- - - - , i - -
RESTRICTOR
FITTING
CHECK VALVE
Figure 9 - l: Fuel System
For further information on engine fuel system com-
ponents, refer to manufacturers diesel engine main-
tenance manual.
Fuel is drawn from the tank through the fuel
strainer ;rnd enters the fuel pump at the inlet side.
Fuel is then forced through the fuel filter into the fuel
manifold, then to the inlet side of the injectors. Sur-
plus fuel returns from the outlet side of the injectors
to outlet fuel pipes, into the return manifold and back
to the fuel tank.
Engine speed is controlled through the governor,
details of which will be found in the manufacturer's
diesel engine manual.
The accelerator linkage connects the accelerator
pedal with the governor.
PRIMING FUEL SYSTEM
DESCRIPTION
The problem in restarting the engine after it runs
out of fuel is that after the fuel is exhausted from the
fuel tank, fuel is then pumped from the primary fuel
strainer and sometimes partially removed from the
secondary fuel filter before the fuel supply becomes
insufficient to sustain engine firing. The primary fuel
strainer and the secondary fuel filter must be refilled
with fuel and the fuel lines must be free of air in or-
der for the system to provide adequate fuel for the in-
jectors.
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