Farm Equipment - AC 433I electric shut-off

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AC 433I electric shut-off

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Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=28686
Printed Date: 27 Aug 2025 at 1:07pm
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Topic: AC 433I electric shut-off

Posted By: Eric[IL]
Subject: AC 433I electric shut-off
Date Posted: 06 Apr 2011 at 10:21pm

Today, my AC 433I diesel engine in my forklift unexpectantly shut-down. I tried to restart it. It turns over, but there isn't any light colored exhaust smoke. So, I think it is not getting fuel? I checked the electrical line going to the fuel pump shut-off solenoid and it was getting power when the key was in the run position. So, I am assuming that somethings wrong in my fuel pumps solenoid shut-off? What should I look for? What is the procedure to dis-assemble these? Thanks in advance for any advice.

Replies:

Posted By: Slade (TN)
Date Posted: 07 Apr 2011 at 8:42am

Injpumped could help you here I think....he posts on here frequently, maybe he will see your post...

Posted By: injpumpEd
Date Posted: 07 Apr 2011 at 10:06am

take out the 3 screws that hold the top cover, that will give you access to the solenoid. test it first, using a jumper wire, put 12v to it while listening close to see if you hear the click. good luck, Ed.

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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!