
Adjusting the Hydraulic draft control spring on a Super np
Adjusting the Hydraulic draft control spring on a Super np
Would some kind person tell me the correct adjustment on the draft control spring on a Super np. I found that it was easy to push the top link bracket in and out by hand, so I removed the bottom pin from the rocker and turned the whole thing in an anticlockwise direction this I found took the free play out of the plunger, But how do you know when you have reached the correct adjustment. HELP! 

Re: Adjusting the Hydraulic draft control spring on a Super
On a NP Super:
1. Raise lift arms.
2. Screw top link in until you have minimum in/out movement.
If you go further the in/out movement will increase, back off until you have minimum movement.
Movement should be 0 - 3/16th" approx. If more than this, remove the adjustable rod, remove the round housing holding the large spring and take out shims. Tighten the housing up, replace adjustable rod and repeat 1 and 2 above.
1. Raise lift arms.
2. Screw top link in until you have minimum in/out movement.
If you go further the in/out movement will increase, back off until you have minimum movement.
Movement should be 0 - 3/16th" approx. If more than this, remove the adjustable rod, remove the round housing holding the large spring and take out shims. Tighten the housing up, replace adjustable rod and repeat 1 and 2 above.
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Brian
Brian
Re: Adjusting the Hydraulic draft control spring on a Super
Hello Brian,
Sorry for the delay in expressing my thanks for the Info you sent me. It was brilliant as your help always is.
Many thanks once again
Sorry for the delay in expressing my thanks for the Info you sent me. It was brilliant as your help always is.
Many thanks once again