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

496
CID (8.1L)
SERVICE MANUAL NUMBER 30
11.
With the crankshaft wedged forward,check clearance between the thrust bearing and
the crankshaft  thrust surface  with a feeler  gauge. Proper  clearance is .005-.011  in.
(.127-.279
mm).
c
a
b
76754
a  - Crankshaft Thrust Surface
b  - Thrust Bearing
c  - Feeler Gauge
WITHOUT CRANKSHAFT REMOVED
IMPORTANT: Inspect bearing caps for orientation marks prior to removal. If no mark-
ings exist, make suitable marks before disassembly so that they can be reinstalled
in their original locations.
1.
With oil pan, oil pump, baffle and spark plugs removed, make suitable marks on cap and
remove cap on main bearing requiring replacement. Remove bearing from cap.
2.
Install main bearing remover/installer in oil hole in crankshaft journal. If tool is not avail-
able, a cotter pin may be bent as shown.
NOTE: If using cotter pin method, ensure flatness to prevent scratching journal surface.
a
77463
a  - Cotter Pin
Page 3A-60
INDEX
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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CopyrightAttribution Non-commercial
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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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