2QM15 Engine Zinc - SailNet Community

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Go Back   SailNet Community > On Board > Gear & Maintenance
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  #1  
Old 06-05-2002
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2QM15 Engine Zinc

Our "new" 1980 Irwin 30 is powered by a 2QM15. The engine zinc appears to be located facing aft under what appears to be a large square head. I haven''t been able to replace the zinc, because I can''t turn the square cover. What am I doing wrong?
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Old 06-05-2002
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2QM15 Engine Zinc

Not applying enough torque to remove the zinc pencil from the heat exchanger. ..... get a bigger wrench (not an adjustable wrench). Try tapping the wrench with a hammer in clockwise (tightening) direction a bit before turning it counter-clockwise (loosen).
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Old 06-06-2002
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2QM15 Engine Zinc

RichH, I had a 2QM15 in my old boat and this is a raw water cooled engine. It doesn''t have a heat exchanger, the zincs are bolted right into the engine. But I agree with you solutions to remove the bolthead. Just keep working on it. It should come out.
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2QM15 Engine Zinc

Thanks.... any idea as to the size of the bolthead... its larger than my 17mm wrench.

Bob
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Old 06-06-2002
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2QM15 Engine Zinc

Hmmm....can''t recall. Get a caliper and measure it. Then go to Sears and get the exact closed and boxed end wrench. It will be worth the extra cost
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Old 07-02-2002
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2QM15 Engine Zinc

Finally got this job done last Friday. The cover nut takes a 22mm wrench. After liberal doses of PB Blaster & tapping it came off by hand!! Thanks for your help.
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Old 12-07-2004
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2QM15 Engine Zinc

Does anyone know where to get used parts for a 2qm15, I need rods. Please email me if you can help Davidjnathan@hotmail.com
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2QM15 Engine Zinc

Does anyone know where to get used parts for a 2qm15, I need rods. Please email me if you can help Davidjnathan@hotmail.com
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Old 12-07-2004
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2QM15 Engine Zinc

Pull up Mack Boring they are the east coast premier Yanmar dealers. Great people and they will take care of you.
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