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A/C A816

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=177923
Printed Date: 14 May 2025 at 6:41pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: A/C A816

Posted By: Gordy53
Subject: A/C A816
Date Posted: 29 Jan 2021 at 9:28am

I just bought an A/C 816 we got it started on starter fliud but will not keep running

Checked fuel filter is full

There is how ever a wire by ignition S/W that is not connected could this be for the on/off fuel solenoid any thoughts

Replies:

Posted By: Jim.ME
Date Posted: 29 Jan 2021 at 11:28am

I would start by using a test light or voltmeter to see if there is power at the shutoff when the key is on, before just hooking up loose wires. If there is no power, I would next try a jumper wire to power the shutoff. I might try using a jumper to power the loose wire and test to see if it did power the shut off, before hooking it to the switch.

If the machine has been setting for a time there may be issues (things stuck) inside the pump, that starting it hasn't improved.

Posted By: gemdozer
Date Posted: 29 Jan 2021 at 12:24pm

Did you check if the trottle rod is connected

Posted By: Eric B
Date Posted: 30 Jan 2021 at 1:51pm

Every 816 I've seen has mechanical fuel shut off, if it is still mechanical on this be sure the shut off lever on the pump is in the 'moved forward position'. You may also need to check if the primary pump on the side of the block is putting out pressure. On my 816's I bypassed the primary pump and only operated them on gravity feed as the tank is so high up.

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Currently- WD,WC,3WF's,2 D14's B. Previously- I 600,TL745,200,FL9,FR12,H3,816 LBH. Earth has no sorrow that Heaven cannot heal!

Posted By: david a
Date Posted: 14 Feb 2021 at 3:49pm

Mine 816 had a cable fuel cut off . you could convert it to a solenoid. Likeit was stated make sure the fuel shut off is forward