TROUBLESHOOTING
SERVICE MANUAL NUMBER 30
Precautions
WARNING
Always disconnect battery cables from battery BEFORE working on fuel system to
prevent fire or explosion.
WARNING
Be careful when cleaning flame arrestor, gasoline is extremely flammable and high-
ly explosive under certain conditions. Be sure that ignition key is OFF. DO NOT
smoke or allow sources of spark or open flame in area when cleaning flame arrestor.
Wipe up any spilled fuel immediately.
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
overtighten.
•
•
Install fuel line. To prevent overtightening, hold brass fitting with suitable
wrench and tighten fuel line connectors securely.
Check for fuel leaks.
CAUTION
Supply water to seawater pickup pump before operating engine, or pump impeller
may be damaged and subsequent overheating damage to engine may result. To op-
erate engine with boat out of water, refer to Running Engine with Boat Out of Water.
WARNING
When running engine with boat out of water, be certain that area in vicinity of propel-
ler is clear and that no person is standing nearby. As a precautionary measure, it
is recommended that the propeller be removed.
CAUTION
DO NOT run engine above 1500 rpm. Suction created by seawater pickup pump may
collapse water supply hose and cause engine to overheat.
WARNING
Be sure that engine compartment is well ventilated and that no gasoline vapors are
present to prevent the possibility of a FIRE or EXPLOSION.
INDEX
Page 1C-2
90-863161 SEPTEMBER 2000
| 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