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Go Back   SailNet Community > On Board > Gear & Maintenance
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  #1  
Old 05-04-2007
johnr
 
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Engine Zincs

I want to inspect and replace the zincs on my Perkins 4.108 diesel. I'm trying to determine where the zincs are located. My Perkins manual doesn't refer to them. Any advice?
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Old 05-04-2007
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Should look like a hex nut on your heat exchanger.
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Old 05-04-2007
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Most heat exchanger pencil zincs look like this -

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Old 05-04-2007
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Some of them may be only one piece, with the zinc firmly attached to the hex nut.
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I have a 4-107, could there be two of these nuts? and are they located on the top of the heat exchanger?
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Old 05-04-2007
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My Westerbeke, which is a Perkins 4-107 in disguise, has one zinc in each of the main heat exchanger and the oil cooler exchanger. If you have not changed them for over a year, they might have completely disintegrated.But the previous photo should help you determine if the thing you remove is, in fact, a zinc holder.
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