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Date Posted: - Wednesday - 08/ 1/07 - 6:45pm
Author: Randall, Murre, M31
Subject: Heat Exchanger Zinc

Have a Perkins. Installed new Heat Exchanger July last year. Just changed the heat exchanger ZINC last weekend (one year, bad, i know). No sign of zinc left in the brass nut at all.

But how often, generally, should I plan to check it? 3 months? 6 months? Change timing same as external zincs?

Are there other zincs on the engine I'm missing?

RR

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Replies:

[> Zincs -- Doug Wilson, - Thursday - 08/ 2/07 - 2:38am

Changed my zinc a couple of weeks ago, except to change it I had to pull the heat exchanger. No zinc left so, better have the heat exchanger gone thru, and well, I really need a spare rebuilt heat exchanger, and I might as well retro-fit the gearbox oil dipstick, and as long as all thats gone might as well put in a new exhaust , because the old one ran straight back horizontally with no rise.
I'll be checking my $4.00 zinc more often, the last one cost $700.00.
Doug.

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[> [> Zinc -- Doug Wilson, - Thursday - 08/ 2/07 - 2:42am

Also, my mechanic says thats the only zinc in my 107.

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