MAINTENANCE
SECTION 5
Page 69CMD-4081877 / 90-865861040 MARCH 2004
00000 was CD884 with CMD changes and additions
Water Separating Fuel Filter
WARNING
Be careful when draining water separating fuel filter. Diesel fuel is flammable. Be
sure ignition key is OFF. Do not allow fuel to contact any hot surfaces which may
cause it to ignite. Do not allow sources of open flame in the area. Wipe up any spilled
fuel immediately. Dispose of fuel soaked rags, paper, etc. in an appropriate air tight,
fire retardant container. Fuel soaked items may spontaneously ignite and result in
a fire hazard which could cause serious bodily injury or death.
CAUTION
Any water entering the fuel injection system will disable the system. Check for wa-
ter in water separating fuel filter before starting, daily.
CAUTION
If water should enter the fuel injection system, take unit to an authorized Cummins
MerCruiser Diesel dealer / distributor IMMEDIATELY, so that corrosion and rusting
of the injectors and other components can be avoided.
00000 wasCD880
A plunger-type of hand pump/primer is located on the engine mounted water separating fuel
filter bracket and is used to:
• Refill the fuel filter when changing the filter
• Refill the fuel system if the system was run dry
• To prime the fuel system if the engine has not been run for a while.
The engine mounted water separating fuel filter is equipped with a water in fuel (WIF) sensor
that should alert the operator when water is present in the filter. This fuel filter needs to be
replaced at specified intervals or whenever water is detected in the fuel, whichever comes
first.
The operator may be alerted that the WIF sensor has detected water in the fuel. Depending
upon the boat instrumentation package and if equipped:
• A message may be displayed on an instrument
• An indicator lamp may be illuminated
Refer to Section 2 – Getting To Know Your Power Package.
When the engine is equipped with a remote mounted primary filter (such as a Racor filter)
it should be drained or replaced at specified intervals, or whenever water is detected in the
engine mounted fuel filter.
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