Ford 8N throttle keeps going to idle

   / Ford 8N throttle keeps going to idle #1  

USMCGrizz

New member
Joined
May 10, 2015
Messages
6
Location
Muenster,Tx
Tractor
1948 Ford 8N
This just started when i went back to mowing pasture. I set throttle at about 75% to mow but it keeps kicking it back to idle even if I don't have a load on the mower.
 
   / Ford 8N throttle keeps going to idle #2  
See if there isn't a bolt on the linkage that you can tighten.
 
   / Ford 8N throttle keeps going to idle #3  
It sounds like the friction disc, at the bottom of the hand throttle assy., that keeps the throttle in place is worn/deteriorated, and needs replaced, or adjusted as mentioned. I have made them from heavy gasket material, like 1/8" thick to make new one's, and will last a good while. Replacement disc appear to be made of sheet cork gasket.

Here is a link to an aftermarket disc to give you an idea what it looks like. Throttle Friction Disc
 
   / Ford 8N throttle keeps going to idle
  • Thread Starter
#4  
Thanks for the quick response. I will check out that disc immediately!
 
   / Ford 8N throttle keeps going to idle #5  
Yep, adjusting the disc is your fix. Really sucks when they don't work right. :)
 
   / Ford 8N throttle keeps going to idle #6  
Sorry guys.. No disc in an n... ;)

The n has a sector plate and a ball in the throttle arm to ride the plate, and a spring tensioner.

The bell crank is on the later machines
 

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