Mercury MerCruiser GM 4 Cylinder 181 cid 3.0L Marine Engines Service Manual Number 26

SERVICE MANUAL NUMBER 26
INSTRUMENTATION
Water Temperature Sender
There is no accurate test that can be done without special equipment. Install new sender.
TESTING
1.
Connect an  ohmmeter between temperature  sender terminal (+)  and hex (case)  for
ground (–) as shown.
a
b
72768
a  - Ohmmeter Leads
b  - Water Temperature Sender
WARNING
The following test  involves the use of intense  heat. Failure to follow appropriate
procedures or warnings can cause burns which can result in severe personal injury.
While performing the following test, observe these general precautions:
Wear personal  protective  clothing such  as rubber  gloves,  a non-flammable
apron, and eye protection - preferably full face shield or safety glasses.
The appropriate  heat source should  only be electric.  Heat source  should be
operated  by  a  qualified  person.  Be  sure  to  follow  all  instructions  of  the
manufacturer of the heat source. The heat source should be checked each time
it is used to be sure it is functioning properly.
The thermometer used in  the test should be a high-temperature  thermometer
with a  maximum reading  of at  least 300°F  (150°C). Under  no circumstances
should the operator allow temperatures to exceed test specifications.
Perform test only in a well ventilated area.
Use a suitable container, such  as metal, to hold the water. Avoid use  of glass
containers unless the operator first confirms for himself/herself that the glass
container is an appropriate high-temperature vessel.
Because the components will reach high temperatures DO NOT handle materi-
als or components until COMPLETELY cooled.
Index
90-861329--1
MARCH 1999
Page 4D-11
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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(6 votes, average: 5 out of 5)
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Mercury MerCruiser GM 4 Cylinder 181 cid 3.0L Marine Engines Service Manual Number 26 SKU UPC Model
MARIUZAN GONCALVES on Jun 09, 2018. Good

Thanks for sharing this material. Helps a lot after suffering with bad mechanics. spend too much money and nothing very good


jerry l clark on Jun 05, 2018.

great manual, makes impossible jobs possible. without a manual you can not do the job, a must have.


Terence Maulhardt on Apr 25, 2018.

Great resource. Excellent information provided.


Dean Masman on Apr 22, 2018. Need help to

Need help to install automate choke


Vinny on Sep 01, 2014. Tech

Need help to instal automate choke


Jeff on Mar 06, 2013.



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