Mercury MerCruiser 496 CID 8.1L Gasoline Marine Engines Service Manual Number 30

FUEL DELIVERY SYSTEM FOR ELECTRONIC FUEL INJECTION
SERVICE MANUAL NUMBER 30
Cool Fuel System Repair
Removal
1.
Disconnect battery cables from battery.
IMPORTANT: Suitably plug open ends of fuel line connections to prevent fuel leaks
and entry of water or contaminates into lines while working.
2.
Close fuel shutoff valve, if  equipped, and remove the fuel tank inlet line  from the fuel
boost pump. If boat is not equipped with a fuel tank shut off valve, remove the fuel tank
inlet line at the fuel boost pump and plug the line.
CAUTION
If boat is to remain in the water, the seacock, if equipped, must remain closed until
engine is to be restarted to prevent water from flowing back into seawater cooling
system. If boat is not fitted with a seacock, water inlet hose must be disconnected
and plugged to prevent water from flowing  into cooling system and/or boat. As a
precautionary measure, attach a tag to the ignition switch or steering wheel with the
warning that the seacock must be opened or the water inlet hose reconnected prior
to starting the engine
3.
Close seacock, if equipped. If boat is not equipped with a seacock, remove and plug the
seawater inlet hose.
4.
5.
6.
Drain seawater system. Refer to SECTION 1B.
Disconnect seawater hoses from fuel cooler.
Disconnect fuel lines from water separating fuel filter adapter.
a
b
75533
a  - Water Separating Fuel Filter Adapter
b  - Fuel Lines
7.
Remove and plug the fuel inlet line to the boost pump.
Disconnect the fuel line from the fuel rail using the Fuel Line Remover Tool.
Disconnect the fuel pump electrical connector.
8.
9.
10.
Disconnect the vacuum hose connected to the pressure regulator in the cool fuel sys-
tem.
11.
12.
Remove the two upper engine mount bracket nuts retaining fuel cooler bracket  to the
engine.
Carefully remove the cool fuel system assembly.
INDEX
Page 5A–10
90-863161   SEPTEMBER   2000
Product Specification
CategoriesMercury MerCruiser Manuals
Tags
Model Year1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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Mercury MerCruiser 496 CID 8.1L Gasoline Marine Engines Service Manual Number 30 SKU UPC Model
Sven-Erik Walin on Jun 10, 2018. crankcase ventilation

How many openings for crankcaseventilation is there on
Merc 496 HO ?


John fox on Apr 11, 2018. Manual

Great down load . it was all there an more


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