[C320-list] Impeller cover damage

igrunes at comcast.net igrunes at comcast.net
Mon Feb 26 18:14:35 PST 2007


Does anyone know the thread size and thread length of the European 3gm yanmar water pump?
Has anyone replaced them with turret head bolts similar to the speed seal ones?
Irv Grunes
Isle of wight #851
-------------- Original message -------------- 
From: "Nigel Price" <nigel.price at bigpond.com> 

> I use plastic cable ties. Less chance of damaging the blades and easy to 
> remove. 
> Nigel 
> Epiphany #1061 
> 
> ----- Original Message ----- 
> From: "Scott Thompson" 
> To: "C320-List" 
> Sent: Monday, February 26, 2007 12:06 PM 
> Subject: Re: [C320-list] Impeller cover damage 
> 
> 
> > I've found that the easiest way to compress the impeller blades is to use 
> > a larger size hose clamp. If you tighten it to just the right diameter 
> > the impeller can be worked into place rather easily. It takes a bit of 
> > trial and error however, and you want to be careful to avoid damaging the 
> > impeller blades. 
> > 
> > By the way, I second the SpeedSeal suggestion. I hated dealing with all 
> > those little screws before I made this change. They are a bit pricy, but 
> > if you ever have to change impellers in a tight spot you will think it a 
> > reasonable investment, I'm sure. 
> > 
> > Scott 
> > 
> > 
> > 
> > Martin Raphael wrote: 
> >> The gasket is on the way. Is there a trick to changing the impeller (how 
> >> do you compress the blades to fit them into the housing?)? I'll 
> >> reassemble the thing once these parts arrive. 
> >> ----- Original Message ----- From: "Kirk McCullough" 
> >> 
> >> To: "C320-List" 
> >> Sent: Sunday, February 25, 2007 3:08 PM 
> >> Subject: Re: [C320-list] Impeller cover damage 
> >> 
> >> 
> >>> Wow 
> >>> 
> >>> Good deal for you! A little luck goes a long way. 
> >>> 
> >>> Did you get a new gasket for the cover when you reassembled it all? The 
> >>> cover on my pump leaks a very small amount so I need to change the 
> >>> gasket at some point. 
> >>> 
> >>> Kirk 
> >>> 
> >>> Boomerang #124 
> >>> ----- Original Message ----- From: "Martin Raphael" 
> >>> 
> >>> To: "C320-List" 
> >>> Sent: Sunday, February 25, 2007 1:44 PM 
> >>> Subject: Re: [C320-list] Impeller cover damage 
> >>> 
> >>> 
> >>>> Thanks Kirk -- I bought an easy out, but as it turns out there was just 
> >>>> enough of the screws (all three) protruding that I was able to back 
> >>>> them out with a small pliers. Hopefully I can get the replacement 
> >>>> screws and be back in business. I got lucky on this one! 
> >>>> ----- Original Message ----- From: "Kirk McCullough" 
> >>>> 
> >>>> To: "C320-List" 
> >>>> Sent: Saturday, February 24, 2007 10:05 PM 
> >>>> Subject: Re: [C320-list] Impeller cover damage 
> >>>> 
> >>>> 
> >>>>> Martin 
> >>>>> 
> >>>>> You may be able to use something called an "easy-out". I believe you 
> >>>>> drill into the broken screw, using a small diameter drill, the the 
> >>>>> easy-out screws into the hole and when you back it out it bites into 
> >>>>> the screw and you screw it out. 
> >>>>> 
> >>>>> You can then use the same size screws, without drilling and tapping. 
> >>>>> 
> >>>>> Kirk 
> >>>>> 
> >>>>> Boomerang #124, Perkins M30 
> >>>>> ----- Original Message ----- From: "Martin Raphael" 
> >>>>> 
> >>>>> To: "C320-List" 
> >>>>> Sent: Friday, February 23, 2007 4:39 PM 
> >>>>> Subject: [C320-list] Impeller cover damage 
> >>>>> 
> >>>>> 
> >>>>>> As I was getting my engined warmed up this weekend I noticed water on 
> >>>>>> the sole and realized that the cover over the impeller was missing a 
> >>>>>> screw and thus salt water was leaking from behind the cover -- I then 
> >>>>>> found that 2 more screws had corroded and the heads broke off as I 
> >>>>>> was adjusting them. I am looking for advice on how to remove the 
> >>>>>> broken screws from the housing -- will I need to drill them out and 
> >>>>>> retap for larger screws? My engine is a 1994 Perkins M30. Thanks 
> >>>>>> for any advice you can offer. 
> >>>>>> Martin Raphael 
> >>>>>> Rhapsody #108 
> >>>>>> 
> >>>>>> 
> >>>>>> 
> >>>>>> 
> >>>>>> -- 
> >>>>>> No virus found in this incoming message. 
> >>>>>> Checked by AVG Free Edition. 
> >>>>>> Version: 7.5.446 / Virus Database: 268.18.3/700 - Release Date: 
> >>>>>> 2/24/2007 8:14 PM 
> >>>>>> 
> >>>>>> 
> >>>>> 
> >>>>> 
> >>>>> 
> >>>>> 
> >>>> 
> >>>> 
> >>>> 
> >>>> 
> >>>> 
> >>>> -- 
> >>>> No virus found in this incoming message. 
> >>>> Checked by AVG Free Edition. 
> >>>> Version: 7.5.446 / Virus Database: 268.18.4/702 - Release Date: 
> >>>> 2/25/2007 3:16 PM 
> >>>> 
> >>>> 
> >>> 
> >>> 
> >>> 
> >>> 
> >> 
> >> 
> >> 
> > 
> 
> 


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