Farm Equipment - sediment bowl questions

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sediment bowl questions

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=30707
Printed Date: 06 Mar 2025 at 5:37pm
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Topic: sediment bowl questions

Posted By: jtheise4
Subject: sediment bowl questions
Date Posted: 14 May 2011 at 8:19am

I have some questions regarding the sediment bowl on my D14. If I screw the shut off valve all the way out, it doesn't leak, but if I screw it in to shut the fuel off, it drips non-stop. I'm assuming the inner gasket/o-ring is bad. First question, by leaving the fuel on all the time, am I going to harm anything? Will the fuel continue to flow into the carb and eventually into the engine, dilluting the oil with gas? Second, can the shut off valves be rebuilt? Is it just a couple of o-rings or does anyone sell replacement valve assemblies? I know you can buy the entire sediment bowl assembly (and I actually have a spare), but if I can only replace the valve and solve the problem, I'd rather do that. Thanks for the advice.

Jesse

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1958 D14

Replies:

Posted By: Dusty MI
Date Posted: 14 May 2011 at 8:26am

Most times that valve stem has a packing, just tighten the hex nut a little that the stem goes through.

If the float valve in the carb does not leak there is no harm to leave the tank valve open. It's just a good practice to turn the tank valve off.

Dusty

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917 H, '48 G, '65 D-10 series III "Allis Express"

Posted By: R.W
Date Posted: 14 May 2011 at 11:18am

Yup try tighting the packing nut and we leave the gas on our gas tractors on all the time and have had no trouble, if your that worried just pull the dipstick before each start up and look at the oil.

Randy

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In Search Of: 1958 Allis Chalmers D17 Diesel serial #9643D

Posted By: EPALLIS
Date Posted: 15 May 2011 at 12:27am

I've also experienced this issue. Thanks for tip Dusty!

Posted By: Dusty MI
Date Posted: 15 May 2011 at 5:42am

Also, when putting the sediment back on, just as it's starting to get tight against the gasket, twist the bowl a little, this will help it seat and less likely to leak.

Dusty

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917 H, '48 G, '65 D-10 series III "Allis Express"

Posted By: B26240
Date Posted: 15 May 2011 at 7:00am

Dusty's last tip is a great one that I also do, when restoring a tractor I always put a complete new sediment bowl on as driping gas will ruin a new paint job!!

Posted By: Thad in AR.
Date Posted: 15 May 2011 at 9:24am

Just my opinion but I always try to save the original valve assembly on any resto because they seem to work better for me than the new ones do. The new ones seem to leak in no time.

Posted By: jtheise4
Date Posted: 15 May 2011 at 9:58am

Thanks for the advice everyone!

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1958 D14