Re: Stus-List Impeller/gear puller

[Chuck S]

David,

Forget if you have the Universal M4-30 like me and Dwight?  Many 34plusses were built w Yanmar.

Here's what I do after getting much advice from this list over the years:

I pull the raw water pump impeller of my Sherwood every Fall and stow it with the key in a sandwich bag to remind me to put it back in before starting the engine in Spring.  I remove the three screws w a box wrench and let the housing hang by the hoses.  I mark the housing w an arrow to show direction of rotation.  I usually can pull the impeller out with my fingers by turning it slightly in the normal direction of rotation.  You can wrap a rag around it to protect your hands.  If it is stuck, I take a pair of needle nosed pliers and gently grab one of the splines near the hub and gently rotate and pull. I close the housing for winter storage.

Come Spring, I usually install a new impellor or a spare and place last years in my spare parts tupperware container.  Before assembly, I open the pump housing and coat the rubber splines and wearing surfaces with a waterproof lube; lip baum sticks like Chap Stick work fine.  Vaseline is a little messier.  This protects the rubber from destruction if I forget to open the intake valve before starting the engine.

Chuck

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From: "David Knecht" <davidakne...@gmail.com>
To: "CnC CnC discussion list" <CnC-List@cnc-list.com>
Sent: Sunday, March 23, 2014 8:49:04 AM
Subject: Stus-List Impeller/gear puller

I need to change my impeller and after an earlier discussion and difficulty removing the present one, I purchased an inexpensive gear puller to remove it.  I tried to use it yesterday and found that there was very little space between the back of the impeller and the housing of the water pump, so I could not get the arms of the puller to grab anything.  The arms on the one I bought are quite thick.  Do I need a different tool?  Thanks- Dave

David Knecht

Aries

1990 C&C 34+

New London, CT

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