820 three point question

   / 820 three point question #1  

Harry in Ky

Veteran Member
Joined
Jan 27, 2012
Messages
2,354
Location
Winchester Ky
Tractor
Allis Chalmers ED 40
Does anyone know if the lift system has any type of rate of drop control that might be not allowing the lift arms drop? It's a 3 cyl German made unit, and has had some water in the hydraulics.
 
   / 820 three point question #2  
The manual shows a Rockshaft Rate-of-Drop-Lever, located on top of the rockshaft housing in front of the operators seat. Turn the lever counterclockwise to increase the rate of drop, or clockwise to decrease the rate of drop. The illustration in the manual shows the lever positioned parallel with the centerline of the tractor, which I assume is 50% rate of drop. Maybe if the lever is turned clockwise as far as it will go, it prevents the rockshaft from dropping.
 
   / 820 three point question #3  
Look under the seat for a flat tab about 3/4" wide x about 3" long. This has threads that screw into the rockshaft housing, you should be able to turn it counter clockwise to allow the hitch to drop.
 
   / 820 three point question #4  
Parts keys #9 & #11
 

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