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help removing power cells


 
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DUANE 1958
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PostPosted: Wed Jan 30, 2013 3:42 pm    Post subject: help removing power cells Reply to specific post Reply with quote

any one have any tips on getting the power cell body out of the chamber on a 730? The cap came out easy. The head is still on the block. I-T manual says use case CD512 puller but I dont have one.I would appreciate any help!I had the injectors done. All 4 cylinders have 300# cranking compression,but no.1 misses bad.Thanks Duane
 
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Earlj
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PostPosted: Wed Jan 30, 2013 4:59 pm    Post subject: Re: help removing power cells Reply to specific post Reply with quote

Use a rockerarm push rod off a chevy smallblock
 
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Don L.
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Joined: 12 Feb 1998
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Location: Austin Minn

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PostPosted: Wed Jan 30, 2013 5:25 pm    Post subject: Re: help removing power cells Reply to specific post Reply with quote

Having the head on its side,place a ball bearing in the entrance on the power cell. Thru the injector hole, use a long [high quality] straight punch and try to hit down. They can come out VERY hard. Nasty in fact. Not my favorite thing to do. Be carefull the ball doesn't go flying off.
Don L.
 
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d.borcher
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PostPosted: Wed Jan 30, 2013 6:20 pm    Post subject: Re: help removing power cells Reply to specific post Reply with quote

I've always soake the plug in wd40 oil and cleaned around the powercell then just started the plug in and cranked the tractor over and used the compression to break it loose
 
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george md
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Location: Whiteford , Md

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PostPosted: Wed Jan 30, 2013 7:38 pm    Post subject: Re: help removing power cells Reply to specific post Reply with quote


Duane,

Start with a 1 inch bolt , turn the end to
to 7/8 or 15/16 dia depending on which size
your power cell is threaded . 1 inch end becomes
the puller screw. I have 2 one of each size.

happy manufacturing


george
 
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DUANE 1958
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PostPosted: Thu Jan 31, 2013 7:28 am    Post subject: Re: help removing power cells Reply to specific post Reply with quote

George,I cant see threads inside the power cell,should there be? Thanks Duane.
 
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DUANE 1958
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PostPosted: Thu Jan 31, 2013 7:33 am    Post subject: Re: help removing power cells Reply to specific post Reply with quote

Thanks for the idea, I'll try it! Duane
 
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DUANE 1958
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PostPosted: Thu Jan 31, 2013 7:36 am    Post subject: Re: help removing power cells Reply to specific post Reply with quote

Don, Thanks if I end up taking head off I'll try yor tip! Thanks, Duane.
 
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DUANE 1958
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PostPosted: Thu Jan 31, 2013 7:39 am    Post subject: Re: help removing power cells Reply to specific post Reply with quote

Earl, the push rod as a punch is a good idea! Thanks, Duane
 
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fairchm
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PostPosted: Thu Jan 31, 2013 9:19 am    Post subject: Re: help removing power cells Reply to specific post Reply with quote

Here is what worked for me:

Worried I might damage the powercell with a steel punch so made one out of a piece of roughly 3/8" solid brass rod. Turned a roughly spherical radius on one end and cut the length of the punch down so it only projected a few inches from the engine block when inserted in the injector hole. (It"ll be prone to buckling if you make it too long).

Oh, and two other tips. The powercell will come out of a hot engine easier than a cold and use kroil (or your favorite penetrating oil).
 
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george md
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Location: Whiteford , Md

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PostPosted: Thu Jan 31, 2013 11:14 am    Post subject: Re: help removing power cells Reply to specific post Reply with quote


Duane,

It is best not to beat on the small end
as it deforms and swells it , that is why there
is a puller. Use a pick with a bend to clean the
threads. I have made several pullers over the
past 25 years , they tend to wander off by them-
selves.

I you need help send me an email.

george
 
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1031D
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Joined: 31 Jul 2004
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Location: Southern Wisconsin

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PostPosted: Thu Jan 31, 2013 6:46 pm    Post subject: Re: help removing power cells Reply to specific post Reply with quote

Some of the first design power cell bodies are not threaded. My 400 has 2 that way, what a mother to get out too.
 
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