stuck wide open when started after hydraulic head replacement?

[mrclean826]

heyi, new to this forum and need some help. i have an m35a2 i had no fuel to the injectors so i replaced the hydraulic head. after replacing the hydraulic head i started the truck and it immediately the rpms went up like wide open throttle, i pulled the stop cable inside and truck was still running so i had to choke it off on the intake in order to cut it off. i did this twice and both times i thought it acted like it was going to run away. is there something i should check that i messed up when installing the hydraulic head? thankyou

 

[Slate]

Could be you got your throttle control lever too tight and it's stuck in forward position. Make sure it can float back and forth easily before you use the tie wire. If too tight with new o ring it will stick forward forward and run away or back and won't start. The peice where the hole and oring is. Sorry don't have a pic of the piece its self. I took it out in this picture.

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[mrclean826]

ok im going to check it tonight

 

[coreyphillips123]

The arm is stuck in the injection pump throttle cut off remove the two screws. Lubricate and turn back and forth with pliers
You're lucky you didnt throw a rod. Just my opinion , I'm not an expert

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[Slate]

The arm is stuck in the injection pump throttle cut off remove the two screws. Lubricate and turn back and forth with pliers
You're lucky you didnt throw a rod. Just my opinion , I'm not an expert

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Should just flip back and forth. If you have to use plyers it's way too tight.

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[coreyphillips123]

I was able to break one loose. I could have gotten lucky. It wasn't too stuck

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[DavidWymore]

The little pivoting tang on the end of the fuel control shaft didn't engage it's slot in the fuel control block on the bottom of the quill.