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

ZF/HURTH TRANSMISSIONS
SERVICE MANUAL NUMBER 30
Lubricants / Sealants / Adhesives
Description
Quicksilver Engine Coupler Spline Grease
Quicksilver Liquid Neoprene
Loctite Type A
Part Number
92-816391A4
92-25711--3
Obtain Locally
Loctite 515
Important Information
Engine
All current  production engines are  left hand rotation. Engine  rotation is described  when
observed from the rear of the engine (transmission end) looking forward (water pump end).
Installed angle of MIE inboard transmission and engine should not exceed a maximum of
18
° of the water line.
Transmission
Transmission gear ratio is marked on transmission identification plate, which is located on
the top of transmission. Transmission rotation  is described when viewed from the rear of
transmission.
DO NOT start or crank engine without fluid in transmission.
Use only recommended fluid in transmission.
Except in an emergency, never shift transmission at engine speeds above 1000 rpm.
Free wheeling of one propeller (in a twin engine boat) at trolling speeds will not cause
damage to the transmission; however, boat  operation above trolling speed should be
avoided. Be sure proper fluid level exists before free wheeling propeller.
Always replace oil cooler and hoses after a transmission failure or prior  to installing a
new or rebuilt transmission. Metallic particles from a failure tend to collect in the cooler
and hoses and will gradually flow back into the fluid system and damage transmission.
Always use specified oil cooler, hoses and fittings.
Propeller
Propeller rotation is described when observed from the rear of the boat (stern) looking for-
ward (bow end). The term left-hand (LH) refers to rotation in the counterclockwise (CCW)
direction. The term right-hand (RH) refers to rotation in the clockwise (CW) direction. A LH
propeller will move  the boat forward when  rotated counterclockwise. A RH propeller  will
move the boat forward when rotated clockwise.
Transmission / Propeller Rotation
The ZF/Hurth transmissions are full power reversing transmissions, allowing a standard LH
rotation engine to be used for both propeller rotations. Propeller rotation is determined by
shift cable attachment at the remote control. Be sure to use correct rotation propeller and
shift cable hook up for direction desired.
INDEX
Page 8B-4
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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