
Fuel
Injection
Pump
The illustration below shows the W
356
THREE's fuel system. The W 386 FOUR and W 426 FOUR's fuel
system differ in that they have an additional fuel Injector and injector pump plunger. The fuel injection pump,
located to the right,
is
one
of
the most important components of the diesel engine and, therefore, calls for
the utmost caution in
handling. Furthermore, the fuel injection pump has been thoroughly bench-tested and
should not be tampered with.
Idle speed and timing adjustment are the only adjustments the servicing dealer can perform on the injection
pump.
Other types
of
adjustments
or
repairs must be performed by a qualified injection service shop.
ElECTRIC
FUEL
LIFT
PUMP
FUEL
INJECTORS
FUEL
PUMP
FILTER
Fuel Injection System
INJECTION
PUMP
OIL
FILTER
THROTTLE
OIL
PUMP
To obtain long and satisfactory service from the injection pump, always use fuel which is free from impurities
and maintain a good filtration and water separation system between the fuel tank and engine.
Service this
system regularly: the injection pump it saves will be your own.
45
Westerbeke Diesel Engines
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