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4020 injector pump

 
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davida
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Joined: 23 Aug 2007
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PostPosted: Wed Jan 23, 2013 9:58 am    Post subject: 4020 injector pump Reply to specific post Reply with quote

Where can I find a manual that covers a Roosa Master DBG VC633-3AJ pump? I have had it apart and I am not sure were a few of the parts go.

I can find the manuals that cover the second generation but not this older one.

Thank you for any help.
 
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tim s
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Joined: 01 Nov 2008
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Location: Somerset Ohio

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PostPosted: Wed Jan 23, 2013 11:32 am    Post subject: Re: 4020 injector pump Reply to specific post Reply with quote

Ljd can help you with that,,but I haven't seen him on here for a while...
 
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Dieseltech
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PostPosted: Wed Jan 23, 2013 11:47 am    Post subject: Re: 4020 injector pump Reply to specific post Reply with quote

What do you need to know? Will not be home tonight til late, but if you like call after 7 PM IN time, five seven four eight nine three four one seven two. Ask for Rich.
 
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davida
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PostPosted: Wed Jan 23, 2013 11:55 am    Post subject: Re: 4020 injector pump Reply to specific post Reply with quote

Main questions are there are 2 steel rods that go in the head assembly.

Where does the short one go?

What directions does the long one go, with the plunger type end toward or away from the plug?

I took it to far apart and these parts fell out before I knew they were there.
 
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Dieseltech
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PostPosted: Wed Jan 23, 2013 12:01 pm    Post subject: Re: 4020 injector pump Reply to specific post Reply with quote

Smaller vent wire goes in bore first. Longer goes next, one end is larger due to normal wear, grind edge down or install with peaned end next to retaining plug.
 
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davida
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PostPosted: Wed Jan 23, 2013 12:05 pm    Post subject: Re: 4020 injector pump Reply to specific post Reply with quote

Thank you, I thought I have tried to install them both in the same bore with not luck but I will try again.
 
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Dieseltech
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PostPosted: Wed Jan 23, 2013 12:24 pm    Post subject: Re: 4020 injector pump Reply to specific post Reply with quote

Glad to help. Have been repairing pumps since 1976. Will be home tomorrow nite, call if you like.
 
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davida
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PostPosted: Thu Jan 24, 2013 10:22 am    Post subject: Re: 4020 injector pump Reply to specific post Reply with quote

One last question...maybe.

Is there a part number for the housing or fitting that makes up the pressure regulator sleeve assembly?

The one I have has been broken off at the top.
 
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Dieseltech
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PostPosted: Thu Jan 24, 2013 10:46 am    Post subject: Re: 4020 injector pump Reply to specific post Reply with quote

Transfer cap regulating sleeve, 17058 old #, new # 27917.
 
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davida
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PostPosted: Thu Jan 24, 2013 11:17 am    Post subject: Re: 4020 injector pump Reply to specific post Reply with quote

Thank you, are these JD numbers?
 
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Dieseltech
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PostPosted: Thu Jan 24, 2013 11:32 am    Post subject: Re: 4020 injector pump Reply to specific post Reply with quote

These are Stanadyne #s.
 
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