Fuel Inlet Filter - MerCruiser GM4 Service Manual

2. Clean and inspect:
a. Clean flame arrestor in solvent and blow dry
with compressed air.
b. Clean crankcase ventilation hoses.
c. Inspect crankcase ventilation hoses for
cracks or deterioration, and replace if neces-
sary.
3. Install in the following order:
a. Flame arrestor.
b. Crankcase ventilation hoses to flame arrestor
and rocker arm covers.
c. Carburetor cover.
d. Sealing washer.
e. Nut (tighten securely).
c
f
e
d
a - Nut
b - Sealing Washer
c - Carburetor Cover
d - Cable Tie
e - Crankcase Ventilation Hose
f - Flame Arrestor

Fuel Inlet Filter

NOTICE
Refer to "Precautions," in this section, BE-
FORE proceeding.
1. Remove in the following order:
a. Fuel line from fuel inlet filter nut.
Index
5B - 6 - MERCARB 2 BBL CARBURETOR
a
b
e
a - Fuel Line
b - Fuel Inlet Filter Nut
d
c - Gasket (Large)
d - Gasket (Small)
e - Filter
f - Spring
2. Clean filter nut and spring in solvent and dry with
3. Install in the following order:
72086
b. Fuel inlet filter nut and small gasket.
c. Large gasket.
d. Filter.
e. Spring.
f. Small gasket - from inside filter nut.
e
b c
d
f
compressed air.
a. Spring - place in carburetor body.
b. Filter - open end to inlet filter nut.
c. Small gasket - place inside filter nut.
d. Large gasket - place over filter nut threads.
e. Fuel inlet filter nut - torque nut to 18 lb. ft. (24
N·m).
f. Fuel line - torque to 18 lb. ft. (24 N·m).
a
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