Water Separating Fuel Filter - Mercury MerCruiser MCM 454 Mag MPI Service Manual

SERVICE MANUAL NUMBER 23

Water Separating Fuel Filter

MCM Model Shown
Water Separating Fuel Filter Replacement
1. Disconnect battery cables from battery.
2. Remove fuel filter from base. A filter wrench may be needed to loosen element.
3. Lubricate sealing ring(s) of new filter with engine oil.
4. Install new filter. Tightening securely by hand.
5. Reconnect battery cables. Make sure water is supplied to cooling system, start engine,
Index
90-861326--1 MARCH 1999
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Refer to "Precautions" in this section, BEFORE proceeding.
c
a - Top Cover (MCM Models Only)
b - Insulator Plate
c - Fuel Return Line from Regulator
d - Brass Fitting
e - Fuel Line to Fuel Pump
f - Brass Fitting
g - Fuel Filter Mounting Bracket
h - Nut
i - Fuel Inlet Fitting
j - Plug
k - Water Separating Fuel Filter
l - Bottom Cover (MCM Models Only)
and check for fuel leaks.
FUEL DELIVERY SYSTEM FOR ELECTRONIC FUEL INJECTION
NOTICE
a
d
g
f
e
h
j
k
l
b
i
Page 5A-11