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HD7G

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=51291
Printed Date: 31 Oct 2024 at 6:36pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: HD7G
Posted By: cbrodz
Subject: HD7G
Date Posted: 29 May 2012 at 4:25pm
I cant get my HD7G trac hoe started
 Died on me about 4 years ago, havent done much since.  Last year new batteries filters cranks wont start have pressurized the tank and can get fuel to pump but not thru it.

Does anyone have a break down of a Bosch pump or any ideas to get this going
 I can spray wd-40 into the air box it will start

So Im pretty sure its a fuel problem





Replies:
Posted By: gemdozer
Date Posted: 29 May 2012 at 5:38pm
Are you sure the fuel tank valve is complet open and did you disconnect the fuel line
after the fuel filter if you have full fuel and you could use some starting fuild and you could loose the injectors line if some air in line and removed the air cleaner for make sure they are in good condition.


Posted By: Ian Beale
Date Posted: 30 May 2012 at 4:20am
CBRODZ
 
If it is an American Bosch PSB type pump this might help
 
http://www.oldengine.org/members/diesel/Ambac/AmbacMenu1.htm" rel="nofollow - http://www.oldengine.org/members/diesel/Ambac/AmbacMenu1.htm
 
I haven't got one yet, but have found a listing on "Allis Chalmers American Bosch Fuel Injection Pump PSB Type service manual 1966" phopocopy.  Doesn't list an Allis number in the dodger.


Posted By: gemdozer
Date Posted: 30 May 2012 at 4:29am
I maybe have a new one injection pump AMERICAN BOSCH and I check for # on today


Posted By: q4016lanz
Date Posted: 30 May 2012 at 4:47am
Try this
http://www.dieselpro.com/parts-for-detroit-diesel-engine-2-71natural.aspx" rel="nofollow - http://www.dieselpro.com/parts-for-detroit-diesel-engine-2-71natural.aspx
john


-------------
15 allis chalmers tractors

9 lanz bulldog tractors

2 water cooled deutz

9 john deeres tractors

14 Aus made orange chamberlains

I spent most of my money on old tractors I wasted the rest


Posted By: gemdozer
Date Posted: 30 May 2012 at 11:37am
I have a rebuilt injection pump# psb4a90eh4081-----4348761 and have 3 used one with different # on.  AMERICAN BOSCH


Posted By: cbrodz
Date Posted: 11 Jun 2012 at 12:40pm
do you have a break down of this pump


Posted By: gemdozer
Date Posted: 11 Jun 2012 at 3:27pm
My injection pump is in my shop and I check tomorrow morning and comback you


Posted By: gemdozer
Date Posted: 12 Jun 2012 at 10:35am
I send you a email and did you check the primer pump on side from injector pump and disconnect the line from the injection pump head if you have some fuel there and I have no photo for the inside pump.
 
                                             HECTOR



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