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Subject:Re: Trouble getting WBX piston out
From:Jim Felder
Date:Wed, 3 Oct 2012 18:06:45 -0500

Oh, that was a snap. Getting the nut over the wristpin and the puller rod
through it, anyway. It's getting dark, so tomorrow I will apply some heat
and pull.

Tip of the week, dude!

Thanks,

Jim

On Wed, Oct 3, 2012 at 5:41 PM, Jim Felder <jim.felder@gmail.com> wrote:

> I don't follow this, but maybe I'm not thinking it through. How do you get
> the nut on the threaded rod on the backside of the front (to the viewer)
> piston? I don't see how you can get to the backside, but maybe I haven't
> looked hard enough.
>
> Have you done this?
>
> Thanks,
>
> Jim
>
>
> On Wed, Oct 3, 2012 at 5:14 PM, pickle vanagon <greenvanagon@gmail.com>wrote:
>
>> Instead of a puller you can use a threaded rod with nuts and washers on
>> one side of the pin and on the outside of the case.  Just turn the nuts on
>> the threaded rods.
>> (In a pinch, doing it this way you can remove the pistons with the engine
>> still in the vehicle.)
>>
>>
>> On Wed, Oct 3, 2012 at 1:06 PM, Jim Felder <jim.felder@gmail.com> wrote:
>>
>>> I managed to get the heads off of all the waterboxer's cylinders but
>>> one...
>>> and that one I had to stand on in the driveway and whang it with a hammer
>>> like it was a brake drum. Anyway it's out and now it needs to go back
>>> in. I
>>> have the wrist pin pulled out of the piston about 1/4 inch past the
>>> piston
>>> edge, so I've made a little progress, but now it seems that it does not
>>> want to move any more, at least with what I am moving it with. I have a
>>> bolt on my puller, about 3 pounds, and I put the head through and catch
>>> it
>>> on the far side of the wrist pin, working from the front of the engine.
>>>
>>> Does anyone know of a better way? A better choice of puller tools (I
>>> don't
>>> have any fancy expanding collets)? Would about an hour of propane on the
>>> piston crown loosen things up around the wrist pin?
>>>
>>> Got the heads back, want to get on with this project.
>>>
>>> Jim
>>>
>>
>>
>