[Sentoa] Replacing Onan 5kw impeller

[David Cheyette]

Thanks Ron,  I found them all – four broken vanes and four pieces that fit.  Needed a skinny pliers to extract from the elbow but I got them all.  We just started it 20 minutes ago and am checking for leaks.  So far so good.  

 

David

Maisy 37-100

Seattle

 

From: sentoa-bounces at lists.samurai.com [mailto:sentoa-bounces at lists.samurai.com] On Behalf Of Seasalt007 at aol.com
Sent: Friday, August 01, 2008 2:59 PM
To: sentoa at lists.samurai.com
Subject: Re: [Sentoa] Replacing Onan 5kw impeller

 

Don't forget to hunt down all the pieces if some are missing when you take it out. From experience I can tell you that they will fall back down into the new one at some point and tear it up. The will be toward the heat exchanger. My NL has a small port in the elbow next to the heat exchanger. I use an extra long set of tweezers to pick out the pieces. Sometimes you can squirt a little water up the hose and make them fall out.

Good luck

 

Ron Carter

Sedona 42-19

Punta Gorda,FL

 

In a message dated 8/1/2008 11:57:51 A.M. Eastern Daylight Time, aem2 at prodigy.net writes:

	I wouldn't be surprised if it is you impeller.

	 

	My genset is in a sound box. In this case, I found it easier to remove the right hand (in my case) side, rather than try to work around the tight space.

	 

	I also found it easier to remove the entire water pump and replace the impeller with it removed, rather than try to remove the pump cover and impeller in place.

	 

	Actually, it's not too bad a job, once you have done it one time.

	
	
	Al McKenney
	Nordic Star
	32-178
	Williamsburg VA

		----- Original Message ----- 

		From: David Cheyette <mailto:david at cheyette.com>  

		To: South East Nordic Tugs Owners' Association (SENTOA) <mailto:sentoa at lists.samurai.com>  

		Sent: Friday, August 01, 2008 11:16 AM

		Subject: [Sentoa] Replacing Onan 5kw impeller

		 

		Last night the genset shutdown with 7 flashes meaning raw water.  The strainer was clear, so I’m assuming it’s either something blocking from the intake under the boat, or the impeller.  I’ve got spare impellers, but haven’t done it before.  It doesn’t look to bad looking in the manual, but has anyone done it and can provide insight, would be great.

		 

		Thanks,

		 

		David Cheyette

		Maisy 37-100

		Seattle

		
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