CLOSED COOLED MODELS
SERVICE MANUAL NUMBER 26
CAUTION
If cooling system is to be flushed with boat in the water, seacock (if so equipped)
must be closed, or water inlet hose must be disconnected and plugged to prevent
water from flowing into boat.
c. Close seacock (if so equipped) or disconnect and plug seawater inlet hose.
2.
Partially open water tap (approximately 1/2 maximum capacity) and allow drive unit and
cooling system to fill completely. Do not use full tap water pressure.
NOTE: Drive unit is full when water is discharged out of drive unit, and/or seawater section
of closed cooled system is full when water is discharged through propeller.
3.
4.
5.
Place remote control lever in NEUTRAL position and start the engine. Operate engine
at idle speed in NEUTRAL gear for 10 minutes or until discharge water is clear, then stop
engine.
Shut off tap water. Remove hose and flushing attachment from drive unit. On belt driven
seawater pickup pump models, also remove hose and flushing attachment from pump
inlet.
Follow instructions “a” or “b.”
CAUTION
If boat is in the water or is to remain in the water, seacock (if so equipped) must re-
main closed until engine is to be restarted, to prevent contaminated water from
flowing back into cooling system. If boat is not fitted with a seacock, water inlet
hose must be left disconnected and plugged, to prevent contaminated 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.
a. If equipped with seacock: Observing precaution above, open seacock.
b. If NOT equipped with seacock: Observing precaution above, remove plug from
seawater inlet hose and reconnect seawater inlet hose. Tighten hose clamps
securely.
Index
Page 6B-18
90-861329--1 MARCH 1999
| 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.
Need help to install automate choke
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