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American Bosch injection pump PSB
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JC-WI View Drop Down
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Joined: 11 Sep 2009
Location: wisconsin
Points: 34278 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JC-WI Quote  Post ReplyReply Direct Link To This Post Topic: American Bosch injection pump PSB
    Posted: 14 Oct 2011 at 3:31pm
I am in need of information on American Bosch PSB 6A injection pump.  It is giving troubles and I think I narrowed it down to the shaft that the governor linkage connects to in the shut off housing is sticking. This shaft is the one that sets the metering block for amount of fuel to go to main plunger. It is held by two screws. Seems that the primary pressure builds up and then forces the shaft outwards and binds it against snap ring inside...
  Need to find out from some one if there is to much pressure inside pump or if something else is going wrong or the control shaft and sleeve might be worn out..  Or who still works on these pumps. Everybody I have talked to says they can't get any parts for these old injection pumps.   
 This injection pump is not on an Allis but on a Case "500" Diesel.   Thanks, JC
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Chris/CT View Drop Down
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Joined: 11 Sep 2009
Location: Niantic, Ct
Points: 1939 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Chris/CT Quote  Post ReplyReply Direct Link To This Post Posted: 14 Oct 2011 at 6:13pm
I have those AB PSB-6A's available. 3 pumps, selling as cores, $125 each. I can tear into any/all of them for $20/Hr to confirm condition of internals if so desired, prefer not to. Happy to send you 5-7 pages out of my old AC manual that has Operation/Disassembly/Install [ obviously, AC literature, not case ]
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Brian Jasper co. Ia View Drop Down
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Joined: 11 Sep 2009
Location: Prairie City Ia
Points: 10508 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian Jasper co. Ia Quote  Post ReplyReply Direct Link To This Post Posted: 14 Oct 2011 at 9:00pm
Dave Ferguson in Austin Mn is who you're looking for. He's getting old, but as far as I know he still has his pump shop. Ferguson's Diesel Service I think is his company name. He knows the PSB pump well.
"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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JC-WI View Drop Down
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Joined: 11 Sep 2009
Location: wisconsin
Points: 34278 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JC-WI Quote  Post ReplyReply Direct Link To This Post Posted: 14 Oct 2011 at 11:50pm
Thought Dave was going to sell out this summer. I might give him a call, thanks
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