Fuel Pressure Relief Procedure
4. Remove fuel meter cover assembly.
d
NOTICE
Refer to “Service Precautions,” in “Repair
Procedures,” BEFORE proceeding.
a
1.
2.
Disconnect electrical connector from fuel pump.
Crank engine for ten seconds (if engine starts al-
low it to run until it dies) to relieve any fuel pres-
sure in the system.
b
c
Fuel Meter Cover Assembly
e
73767
NOTICE
Refer to “Service Precautions,” in “Repair
Procedures,” BEFORE proceeding.
!
CAUTION
a - Fuel Meter Cover
b - Fuel Damper
c - Gaskets (Regulator Passages)
d - Screws
DO NOT remove the four screws securing the
pressure regulator to the fuel meter cover. The
fuel pressure regulator includes a large spring
under heavy compression which, if accidentally
released, could cause personal injury.
e - Fuel Meter Outlet Gasket
CLEANING AND INSPECTION
IMPORTANT: DO NOT immerse the fuel meter
cover (with pressure regulator) in cleaner, as
damage to the regulator diaphragm and gasket
could occur.
REMOVAL
1.
2.
Remove the flame arrestor from the throttle body.
Disconnect electrical connectors to fuel injectors.
(Squeeze plastic tabs and pull straight up.)
1.
Inspect pressure regulator seating area for pit-
ting, nicks, burrs or irregularities. Use a magnify-
ing glass if necessary. If any of the above is pres-
ent, replace the cover assembly.
3.
Remove the fuel meter cover screw assemblies.
Index
5C-150 - ELECTRONIC FUEL INJECTION (MULTI-PORT AND THROTTLE BODY)
90-823224--2 796
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you