if I found that a hub or flange didn't seem to want to move under press
pressure.......
the next natural thing that pops into my mind is to heat that hub/flange up
with a torch carefully.
that can make a huge difference.

----- Original Message -----
From: "Jonathan Farrugia" <jfarrugi@UMICH.EDU>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Tuesday, June 02, 2009 12:53 PM
Subject: Re: Water pump apart

> have fun.  years ago i tried to press apart a golf style water pump on a
> large Dake industrial press, i forget the tonnage of the press.  it wasn't
> pretty.  casting cracked even though i had it well supported.  me thinks
> those pumps at least are put together with custom fixturing and not really
> designed to ever be taken part again.  i would suggest a fully enclosed
> press or a pressing blanket to prevent the parts from leaving the press
> area under high velocity.
>
> then again it could all be me just not being able to figure out the right
> approach at the time.
>
> jonathan
>
> On Tue, 2 Jun 2009, Zoltan wrote:
>
>> I am planning to take apart a water pump.  Looking at the shaft, it looks
>> like it can be pushed out from either side.  But I'm sure, it's only
>> meant to be from one side.  Anyone?
>> Zoltan
>>
>>
>>