Hardin Gen 7 Plus Seawater / Impeller Pumps

aero3113 · November 7

Removed my Starboard pump today and will be sending it to Hardin to be rebuilt. It had a steady drip when running.

aero3113 · November 7

I also replaced the impeller on my port pump. The inner and outer plates were scored pretty good but the impeller was still in good shape. This was with three seasons of use.

Image: https://us.v-cdn.net/5020499/uploads/editor/hl/fixr3bxdt4os.jpeg

Image: https://us.v-cdn.net/5020499/uploads/editor/na/rb0tpr0tw0q1.jpeg

aero3113 · November 7

I normally put them back together using Permitex Aviation Gasket sealer. It always made a mess and was a pain when I had to remove the gasket. This time I used DC-111 (Silicone Grease). Should make it much easier to take apart next time.

TonyG13 · November 7

@aero3113 - Curious: Three season equates to how many engine hours?

aero3113 · November 7

@TonyG13 , I never really kept track of hours per season. Maybe 120 hrs for the three.

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Hardin Gen 7 Plus Seawater / Impeller Pumps

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