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Fiat CAV Injector pump leak repair


 
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Paul007
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PostPosted: Fri Apr 06, 2018 6:32 am    Post subject: Fiat CAV Injector pump leak repair Reply to specific post Reply with quote

Hi Guys. My Fiat 605's injector pump is leaking here (see photo). It's still usable so I don't want too dig too deep. Anyone had one apart? Is there a seal under the lever, or can I take the top section off in place? Is that area under full pump pressure? Thanks in advance.



 
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J. Schwiebert
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PostPosted: Fri Apr 06, 2018 8:00 am    Post subject: Re: Fiat CAV Injector pump leak repair Reply to specific post Reply with quote

There is an O-ring on that shaft just as there is on lever 12. You will also need a gasket. Questions? My e-mail is open. I would like to know more about your crawler. J.
 
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thepumpguysc
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PostPosted: Fri Apr 06, 2018 8:33 am    Post subject: Re: Fiat CAV Injector pump leak repair Reply to specific post Reply with quote

There are 2 orings on each shaft, a gasket under the cover that seals it to the main pump hsg & 2 fiber washers under the 2 nuts on top..
You can buy a little kit on ebay that people put together for just this type of repair.. costs about 15.00
There are literally THOUSANDS of write-ups on how to do it & what to look out for..
IF you google it.. leave out the "Fiat"..
Depending on the room, it can be done on the tractor.. just have to have enough room to get the cover off..
 
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JDEM
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PostPosted: Fri Apr 06, 2018 9:29 am    Post subject: Re: Fiat CAV Injector pump leak repair Reply to specific post Reply with quote

Diagram showing the o-rings.

 
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Paul007
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PostPosted: Fri Apr 06, 2018 2:16 pm    Post subject: Re: Fiat CAV Injector pump leak repair Reply to specific post Reply with quote

Thanks Guys, that pretty well explains it. I'll search google for the particulars. I found the kits on ebay.

J, I don't see you email address anywhere. Mine's just an old beater but it gets the job done. Do you have something similar?
Here is a photo.


 
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J. Schwiebert
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PostPosted: Fri Apr 06, 2018 3:33 pm    Post subject: Re: Fiat CAV Injector pump leak repair Reply to specific post Reply with quote

I will try the e-mail again. J.
 
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Paul007
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PostPosted: Tue May 22, 2018 12:56 pm    Post subject: Re: Fiat CAV Injector pump leak repair Reply to specific post Reply with quote

Crap, I just lost the pin and whatever else was in that hole the throttle spring attached to. It literally just fell apart. Where to get?
 
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Paul007
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PostPosted: Tue May 22, 2018 3:15 pm    Post subject: Re: Fiat CAV Injector pump leak repair Reply to specific post Reply with quote

I found the pin in the tracks unbelievably. I guess there is a small spring goes on it that I'll never find. Pen spring do?
 
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Paul007
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PostPosted: Mon May 28, 2018 12:53 pm    Post subject: Re: Fiat CAV Injector pump leak repair Reply to specific post Reply with quote

Anyone here? Got it running but fuel shutoff is not working, guess the pin missed the slot. Do I have to open it up and reprime? Took forever to prime.
 
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