hijacked
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How often should the impeller be replaced on a QSC Cummins diesel engine?
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I tossed the sherwood pumps for SMX this year. I'll see how they hold upI use the impellers from Seaboard Marine and do them every two years which is about 150-200hrs. The impellers I pulled out last time still looked new.
http://www.sbmar.com/product-category/maintenance/impellers/cummins-impellers/
Paul
I tossed the sherwood pumps for SMX this year. I'll see how they hold up
The pumps needed to be rebuilt, the bearing seals started to leak water.What problems were you having with the Sherwood pumps ?
Hi Tom,I no longer own my 390DA and moved onto another vessel with twin QSC's. JVII is correct that the impellers are less than pleasant to remove and replace. Just did both mine yesterday. Impeller puller like the attached worked great. I just temporarily zip tied the wire harness to be more out of the way. I did have to shorten the plastic handle of the puller by cutting about 1" off it. Alternatively could have used a bolt. Took 10 mins to get old impellers out and about 45mins - 1 hour of fussing on each to get new ones in. Getting the splines lined up is a PITA...at least for me it was. Plenty of dawn soap and some wide zip ties to hold the blades down.
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Hi Tom,
What did you end up getting after the 390?
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