C starts but won't run
Printed From: Unofficial Allis
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=207815
Printed Date: 17 Aug 2025 at 9:27am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: C starts but won't run
Posted By: Gary (sw Wis.)
Subject: C starts but won't run
Date Posted: 15 Aug 2025 at 4:30pm
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I have a C that sat for a couple of years it starts runs for a second and dies. Than it won't start again for awhile (an hour?). Than it does the same thing again. I change the condenser, cleaned and gapped the points, the plugs look good and cleaned out the old gas. It acts like as soon as I release the starter switch it shut off. Thoughts? Thanks ------------- 190XT - D17 - D14 - WD45 w/loader - WD - (2)B110 - 616H - 610 - B-208 - WD with 190 Mounted Corn Picker - All Crop 60 |
Replies:
Posted By: WF owner
Date Posted: 15 Aug 2025 at 4:40pm
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Have you checked to see if there is spark after it stalls? That would be the first thing I would check. Have you checked gas flow at the carburetor? Sometimes the sediment bowl inlet gets plugged up from debris from the tank over the years and restricts flow.
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Posted By: steve(ill)
Date Posted: 16 Aug 2025 at 7:47am
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Sounds like your coil is bad... Got enough for an initial spark, then opens up inside... try a replacement. ------------- Like them all, but love the "B"s. |
Posted By: DiyDave
Date Posted: 16 Aug 2025 at 4:03pm
Could also be a bad switch. Heavy key rings are the death of 'em. Do what WF owner says, test light and alligator clips are your friend... ------------- Source: Babylon Bee. Sponsored by BRAWNDO, its got what you need! |
Posted By: Gary (sw Wis.)
Date Posted: 16 Aug 2025 at 5:49pm
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Thanks guys I changed the coil and point to no avail. Checked the wiring for shorts and continuity, found nothing wrong. I now have it narrowed down to a gas delivery issue. I'll have to get a few small parts next time I'm in town and give it a go next week. ------------- 190XT - D17 - D14 - WD45 w/loader - WD - (2)B110 - 616H - 610 - B-208 - WD with 190 Mounted Corn Picker - All Crop 60 |
Posted By: WF owner
Date Posted: 16 Aug 2025 at 8:10pm
| The next thing I would do is to remove the gas line from the carburetor, put a container under the gas line and turn the gas on. Leave the gas on for about a minute. You should have a real strong stream of gas, even after a minute. If you don't, work backward to find out where the restriction is. |
Posted By: steve(ill)
Date Posted: 16 Aug 2025 at 10:34pm
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a bowl full of gas should run 15- 20 seconds... Engine dies after a "second" seems odd to be gas flow ? .... possibly main jet plugged ? ------------- Like them all, but love the "B"s. |
Posted By: Dirt Farmer
Date Posted: 17 Aug 2025 at 3:38am
| How old is the gas in the tank? If it has any age on it I would drain it all out, float bowl too if possible. Put the old gas in your truck since it will blend out and put new gas in the tractor and get that out of the equation too. |