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Chalmers 200 fuel problem


 
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Jeeperzman
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Joined: 28 Aug 2021
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PostPosted: Sat Aug 28, 2021 3:14 pm    Post subject: Chalmers 200 fuel problem Reply to specific post Reply with quote

I was having problems with my Chalmers 200 dieing under load and having to sit for a few hours and it would start right up. When it died it acted like it was losing fuel. Checked my side window on the roosa and it appeared normal. I pulled the pump anyways and went through it. I found nothing wrong with it. Before I did this I also replaced filters which didn't help. I do have this little rubber piece left over and for the life of me can't figure out where it goes. Everything is back together and if I prime it it will start right up. Max rpm is roughly 1300 rpm which is not normal. It runs for about a minute and dies then needs to be primed about a dozen times. Return line is running into a bucket and I blew backwards through the main line. Little lost

 
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Jeeperzman
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PostPosted: Sat Aug 28, 2021 3:14 pm    Post subject: Re: Chalmers 200 fuel problem Reply to specific post Reply with quote

roosa master dbgfc637
 
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DrAllis
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PostPosted: Sat Aug 28, 2021 4:20 pm    Post subject: Re: Chalmers 200 fuel problem Reply to specific post Reply with quote

That rubber plug goes in the bottom of the transfer pump inlet/pressure regulator. Just pushes into the hole on the bottom.
 
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Dieseltech
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Joined: 29 Feb 2012
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Location: Indiana

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PostPosted: Sat Aug 28, 2021 4:27 pm    Post subject: Re: Chalmers 200 fuel problem Reply to specific post Reply with quote

Try running again, this time when it dies quickly loosen the two screw timing cover. If engine speeds up OK the RETURN check ball fitting is plugged and needs cleaned/replaced. If plugged it will cause pump to shut down, even if you see some return fuel. The black plug is no longer used, but a steel retainer is used now.
 
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Jeeperzman
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PostPosted: Sat Aug 28, 2021 4:31 pm    Post subject: Re: Chalmers 200 fuel problem Reply to specific post Reply with quote

Thank you, I was just walking in after
doing that and hoping I was right. I'm
not sure if I was more frustrated at
myself for not remembering or not being
able to find it in the book I have or
online.
 
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Jeeperzman
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PostPosted: Sat Aug 28, 2021 4:38 pm    Post subject: Re: Chalmers 200 fuel problem Reply to specific post Reply with quote

No dice, I will have to double check my fuel transfer ring isn't 180 off.
 
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