[SEL] Petter Gib Key Update - Need Help!!!

[Richard Strobel]

What would you say, Larry...National fine tap? and keep going up in size if 
it strips out.

RickinMt.


----- Original Message ----- 
From: "Larry Anger" <junkmeister2002 at yahoo.ca>
To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
Sent: Wednesday, March 30, 2005 2:00 PM
Subject: Re: [SEL] Petter Gib Key Update - Need Help!!!


> Paul - the only way to get it out is to drill and tap then use the slide 
> hammer as I advised last week. Use a small die grinder to clean up the end 
> of the key so you can center punch the end of the key for drilling. It has 
> to come out because it went in once. Just take your time and make sure you 
> drill exactly in the center and drill parrallel to the shaft so you don't 
> get into the shaft or flywheel.
>
> Larry Anger
>
> Paul Maples <paulmaples at sbcglobal.net> wrote:
> Ok gang I have went from bad to worse on trying to remove the gib key from 
> the little Petter Engine. Since I have no machining capabilities these are 
> the things I have tried:
>
> (1) Pre-soaked the Gib Key with Kroil Penetrating oil for a week to start 
> with.
> (2) Tried driving the Gib Key in just a little more to loosen it - it did 
> not move.
> (3) Tried driving the Flywheel in just a little to break the bond on the 
> gib key - it did not move.
> (4) Used an original Gib Key Removal tool - succeeded in breaking off the 
> tang on the Gib Key.
> (5) Welded a bolt onto the Gib Key and used a knocker to loosen it - it 
> just broke the weld on the gib key - done this four times with no success.
> (6) Welded the knocker bolt onto the Gib Key one more time, heated the 
> flywheel hub a little with a torch, tried knocker again and just broke the 
> weld.
> (7) Tried welding a Hex Nut on top of the flywheel with one flat of the 
> hex nut facing the flat side of the flywheel, trying to make a new tang on 
> the Gib Key to use the Gib Key Puller with - broke weld.
>
> Here are some pictures:
>
> The first picture once again just shows the little 1-1/2HP Petter I am 
> working on.
> The second picture shows the Gib Key status when I first started trying to 
> get it out.
> Remaining pictures show the current state of the gib key - as you can see 
> the gib key has about a 1/2 to 3/4" now broken off of it now.
>
>
> http://client.webshots.com/photo/309747100/309747100ygAQhr
>
> So now here in my dilemma. I have no machining capabilities, the key has 
> some of it broken off now, whatever I try next needs to work as I am 
> running out of gib key. I need someone to tell me what they think would be 
> the method most successful for me to try next.
>
> Thanks everyone for the help, this gib key is about to put me in the 
> insane house................I belong there anyway.
>
> Paul
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