SERVICE MANUAL NUMBER 26
MAINTENANCE
Flushing System
If engine is operated in salty, polluted, or mineral-laden water, flush cooling system (prefer-
ably after each use) to reduce corrosion and prevent the accumulation of deposits in the
system. Thoroughly flush cooling system prior to storage.
BOAT OUT OF WATER
WARNING
When flushing cooling system with boat out of the water, be certain that area in
vicinity of propeller is clear and that no person is standing nearby. As a
precautionary measure, it is recommended that propeller be removed.
CAUTION
To prevent engine or sterndrive unit damage DO NOT run engine or drive unit with-
out water being supplied to water intake openings on gear housing, and to seawater
pickup pump if equipped.
1.
Connect flushing attachment as follows:
NOTE: If flushing cooling system with boat in water, raise drive unit to trailer position and
install flushing attachment. Lower drive unit to full IN/DOWN position.
a. Install Quicksilver Flushing Attachment (or equivalent) over water intake openings
in gear housing.
b. Connect hose between flushing attachment and water tap.
a
b
72012
a - Quicksilver Flushing Attachment
b - Water Hose
CAUTION
If cooling system is to be flushed with boat in the water, seacock (if equipped) must
be closed, or water inlet hose must be disconnected and plugged to prevent water
from flowing into boat.
Index
90-861329--1
MARCH 1999
Page 1B-15
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 181 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 |
(6 votes, average: 5 out of 5)
Marine readers have rated Mercury MerCruiser GM 4 Cylinder 181 cid 3.0L Marine Engines Service Manual Number 26 5.0 out of 5.0 based on 6 product reviews. Thanks for sharing this material. Helps a lot after suffering with bad mechanics. spend too much money and nothing very good
great manual, makes impossible jobs possible. without a manual you can not do the job, a must have.
Great resource. Excellent information provided.
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