Mercury 1.7 MI, Manual

Page: 78 / 248

MAINTENANCE SECTION 5
Page 70 CMD-3967823 / 90-865237030 OCTOBER 2003
CE494
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
water in water separating fuel filter before start up, 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.
Draining
The filter can be drained of water and small dirt particles by opening the drain cap on the
bottom of the filter.
NOTE: To ensure complete draining, in warm weather open the drain cap before starting
daily operations. In cold weather, where there is a possibility that the condensed water will
freeze, drain the filter shortly after the end of daily operations.
NOTE: Place a suitable container under fuel filter to catch contaminated fuel, water, or both.
Dispose of properly.
1. Place a small container at the end of a drain hose beneath the drain cap on the filter.
2. Open by turning the drain cap counterclockwise
(as viewed from the bottom of the filter)
approximately 5 turns.
77343
77162
b
a
a - Drain cap
b - Drain hose
INDEX