SERVICE MANUAL NUMBER 30
FUEL DELIVERY SYSTEM FOR ELECTRONIC FUEL INJECTION
Precautions
WARNING
Electrical, ignition and fuel system components on your Mercury MerCruiser are
designed and manufactured to comply with U.S. Coast Guard Rules and Regula-
tions to minimize risks of fire and explosion.
Use of replacement electrical, ignition or fuel system components, which do not
comply with these rules and regulations, could result in a fire or explosion hazard
and should be avoided.
WARNING
Always disconnect battery cables from battery BEFORE working on fuel system to
prevent fire or explosion.
WARNING
Be careful when changing fuel system components; gasoline is extremely flam-
mable and highly explosive under certain conditions. Be sure that ignition key is
OFF. DO NOT smoke or allow sources of spark or flame in the area while chang-
ing fuel filters. Wipe up any spilled fuel immediately.
WARNING
Make sure that no fuel leaks exist before closing engine hatch
CAUTION
DO NOT operate engine without cooling water being supplied to seawater pickup
pump, or pump impeller will be damaged and subsequent overheating damage may
result.
WARNING
Avoid gasoline fire or explosion. Improper installation of brass fittings or plugs into
fuel pump or fuel filter base can crack casting and/or cause a fuel leak.
•
Apply #592 Loctite Pipe Sealant with Teflon to threads of brass fitting or plug.
DO NOT USE TEFLON TAPE.
•
•
Thread brass fitting or plug into fuel pump or fuel filter base until finger tight.
Tighten fitting or plug an additional 1-3/4 to 2-1/4 turns using a wrench. DO NOT
OVER TIGHTEN.
•
Install fuel line. To prevent over tightening, hold brass fitting with suitable
wrench and tighten fuel line connectors securely.
•
Check for fuel leaks.
IMPORTANT: The installation of additional filters may cause:
•
•
•
•
Fuel Vapor Locking
Difficult Warm-Starting
Piston Detonation Due to Lean Fuel Mixture
Poor Driveability
INDEX
90-863161
SEPTEMBER 2000
Page 5A–3
Categories | Mercury MerCruiser Manuals |
---|---|
Tags | Mercury MerCruiser 496 CID |
Model Year | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
Download File |
|
Document File Type | |
Copyright | Attribution Non-commercial |
(2 votes, average: 4 out of 4) Marine readers have rated Mercury MerCruiser 496 CID 8.1L Gasoline Marine Engines Service Manual Number 30 4.0 out of 4.0 based on 2 product reviews.
How many openings for crankcaseventilation is there on
Merc 496 HO ?
Great down load . it was all there an more