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Kohler Genny Impellor Fried???

Posted: June 9th, 2019, 7:23 pm
by Marty
Had the marina summarize everything engines, water, genny etc and on the hook went to fire up the genny and got a "LOC" error code. Turns out the impeller had 2 fins left so needs replacing, heaven forbid they let me know??

Mechanics at the marina said I should backslash as most of the fins are MIA?

Anyone think this is necessary??

Re: Kohler Genny Impellor Fried???

Posted: June 9th, 2019, 7:28 pm
by tomschauer
Yes, you need to back flush and make sure the missing fins made it out of the boat.

Re: Kohler Genny Impellor Fried???

Posted: June 10th, 2019, 1:33 am
by RGrew176
Definitely yes.

Re: Kohler Genny Impellor Fried???

Posted: June 11th, 2019, 6:53 am
by Marty
Reading I can backflush through the twin cooling loop as I am assuming back through the water/exhaust outlet will be a bad decision....not sure where else this would work.

Re: Kohler Genny Impellor Fried???

Posted: June 11th, 2019, 6:56 am
by Viper
The blades are probably trapped in the raw water circuit somewhere. Check right at the ports in the pump and the inlet to the heat exchanger. Pull the hose off the exchanger output and back-flush through there. Hopefully there're not any further into the system. You should try to reconstruct the impeller with all the pieces you find to ensure you got all of them.

Re: Kohler Genny Impellor Fried???

Posted: June 11th, 2019, 7:14 am
by Marty
Yes thats where I was referring to thanks....last question...can i flush with the genny off?

Thank you

Re: Kohler Genny Impellor Fried???

Posted: June 11th, 2019, 5:09 pm
by mjk1040
yes u can