Fuel Pressure Relief Procedure; 7.4L Mpi Components; Flame Arrestor - Mercury MerCruiser MCM 454 Mag MPI Service Manual

SERVICE MANUAL NUMBER 23

Fuel Pressure Relief Procedure

1. Disconnect electrical connector at fuel pump.
2. Crank engine for ten seconds (if engine starts allow it run until it stops) to relieve any

7.4L MPI Components

Flame Arrestor

REMOVAL
1. Remove the starboard engine cover.
2. Loosen the clamp and remove the flame arrestor.
CLEANING AND INSPECTION
Clean flame arrestor in solvent and dry with compressed air.
INSTALLATION
1. Place the flame arrestor over the throttle body and tighten the clamp.
Index
90-861326--1 MARCH 1999
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Refer to "Precautions" in this section, BEFORE proceeding.
fuel pressure in the system.
Refer to "Precautions" in this section, BEFORE proceeding.
b
a - Engine Cover
b - Clamp
c - Flame Arrestor
MULTI-PORT FUEL INJECTION DISASSEMBLY AND REASSEMBLY
NOTICE
NOTICE
a
c
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