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

MAINTENANCE
SERVICE MANUAL NUMBER 30
Changing Water Separating Fuel Filter
WARNING
Be  careful  when  changing  water  separating  fuel  filter.  Gasoline  is  extremely
flammable and highly explosive under  certain conditions. Be sure ignition key is
OFF. Do not smoke or allow spark or open flame in area when changing fuel filter.
Wipe up any spilled fuel immediately.
WARNING
Make sure no fuel leaks exist before closing engine hatch.
CAUTION
The electric fuel pump and factory installed water separating fuel filter have been
carefully designed to function properly together. Do not install additional fuel filters
and/or water separating fuel filters between fuel tank and engine.
The installation of additional filters may cause:
Fuel Vapor Locking
Difficult Warm-Starting
Piston Detonation Due to Lean Fuel Mixture
Poor Driveability
Removal
1.
Remove water separating  fuel filter and sealing ring  from mounting bracket. Discard
filter and sealing ring.
b
a
70573
a  - Fuel Filter
b  - Sealing Ring
Installation
1.
2.
Coat sealing ring on new water separating fuel filter with new engine oil. Thread water
separating fuel filter onto  bracket and tighten securely by  hand. DO NOT use a  filter
wrench.
Start and  operate engine. Check water  separating fuel filter  connection for gasoline
leaks. If leaks exist, stop engine immediately and recheck filter installation.
INDEX
Page 1B-12
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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