Re: Milemaster pressure tank rebuild

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chris-p


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#12818

When installing the diaphragm, you are supposed to apply a thin coat of 3M 847 around the hole in both cupped washers. The side the diaphragm contacts. This is to eliminate air leaks at this point. Fuel could also leak out under the pump button.

Gasket sealing compound is not called for on the gasket nor the screws, however, as stated, I don’t think it would hurt. I put OMC Gasket Sealing Compound, or more 3M 847 on the screw threads and on the gasket itself.