631 throttle help

Helmsman

New User
Well, after disassembly and reassembly of the throttle linkage under the fuel tank of my 631 in preparation of paint, I've managed to screw something up. Not that I'm too surprised, even though I was careful to reinstall everything the way it came apart, or so I thought.

Here's what is happening: the throttle almost seems to slip back to idle as I throttle up. It then goes to low idle, regardless of throttle lever position. I can move the lever back to low idle, against some resistance, and then it will work for a little bit before doing the same thing again. And the foot throttle only seems to work to half throttle. Any idea what I managed to do wrong? Will post pictures in the morning when the light is better.

Any help for this Case beginner would be much appreciated.
 


Good morning and welcome to the Case Forum. Here is a pic of part of the linkage assembly. Linkage can stretch and flex if not kept lubricated. Check if any springs are hooked up , or hooked in the right position. Did you measure your original linkage before disassembly? after a few posts ,you can post pics of where you are. Keep us posted and continue to ask more questions. Chuck Machinist
mvphoto105470.jpg
 
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