Injection pump question.

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Lucasbranham
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Injection pump question.

Postby Lucasbranham » Wed May 02, 2018 3:20 am

1979 diesel ih574. Injection pump is leaking fuel from a gasket/seal behind housing where the output lines come out of the pump. I've never had one apart. Anyone know if I can remove this housing and replace the gasket without a major problem with my lack of knowledge?
I have a picture of the pump and where it's leaking but I can't get it to post.
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ddd75
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Re: Injection pump question.

Postby ddd75 » Wed May 02, 2018 6:03 am

take off the line.. might just be a o ring you need to replace.
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Lucasbranham
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Re: Injection pump question.

Postby Lucasbranham » Fri May 04, 2018 5:41 pm

It's not leaking at the line. There is a cap/housing that has the 4 outlets for the lines on it. It's leaking between this housing and the body of the pump. Just concerned that it's clocked a certain way or something.
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Caustic Burno
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Re: Injection pump question.

Postby Caustic Burno » Fri May 04, 2018 7:09 pm

Injection pumps are timed, I had fun with one on a Massey 135.
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M-5
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Re: Injection pump question.

Postby M-5 » Fri May 04, 2018 7:30 pm

It's not hard to pull off and as long as you pay attention, it has to go back same way. If it's a cav pump you can get new gasket for cap .they are not as complicated as you think.
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ddd75
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Re: Injection pump question.

Postby ddd75 » Sat May 05, 2018 8:37 am

oh. i had one leaking like that on my dozer. I replaced the gasket between the cap and body and it doesn't leak..

I picked up my kit @ http://www.dandcdiesel.com/
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Txpiney
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Re: Injection pump question.

Postby Txpiney » Sun May 06, 2018 2:05 pm

If your concerned about how it's clocked or orientated, just make a mark on the cap and body that line up. I use a metal marker or just a scratch.
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Lucasbranham
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Re: Injection pump question.

Postby Lucasbranham » Mon May 07, 2018 8:12 am

Ok. I'll give it a shot. I appreciate the advice. I just had a vision in my head of pieces flying everywhere when I took the cap off. Lol.
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Re: Injection pump question.

Postby M-5 » Mon May 07, 2018 8:27 am

Image

If this is your pump there are 2 screws that hold down the cap with felt/cork type washers and the levers will have orings and the gasket for the cap. Thats all there is too resealing it. There is no reason to pull the injector off just to do this , but you will have to be able to get up close and personal to detach /attach linkage . be mindful of the position of the spring and linkage they have to be put back in exact holes they come from and if you forget there will be number on the pump and the hole pattern will come in the kit for that number .
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Lucasbranham
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Re: Injection pump question.

Postby Lucasbranham » Mon May 07, 2018 8:37 pm

Mine doesn't look like that but I imagine it works similarly. How do I post a pic. It used to be easy, but I don't see the option anymore that I used to use.
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Re: Injection pump question.

Postby M-5 » Tue May 08, 2018 8:04 am

go to http://postimages.org/ upload picture and copy link then paste in message body
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Lucasbranham
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Re: Injection pump question.

Postby Lucasbranham » Tue May 08, 2018 9:13 pm

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Re: Injection pump question.

Postby greybeard » Wed May 09, 2018 2:03 am

I think it's supposed to look more like this..Bosch VA4 I believe. Looks like what I called a D239. Going to have an o ring back there, in front of a shim--or 2.
Image

#53 I think is the culprit.
https://partstore.caseih.com/us/parts-s ... 4ar1286016
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Lucasbranham
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Re: Injection pump question.

Postby Lucasbranham » Wed May 09, 2018 8:32 pm

Thanks. Gonna tear it apart sometime. I'll let you guys know how it goes.
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Lucasbranham
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Re: Injection pump question.

Postby Lucasbranham » Mon Jul 02, 2018 8:44 am

https://postimg.cc/image/qk4pcqh47/

I'm this far. You can see the 1/8" or so gap where the piece is separating from the pump. But it will not come out. Started taking the metal plate with the two shafts coming through it off of the pump but thought I would ask first.
What next?
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