"3072ES / 3772ES / 3772ES HD" Service & Parts Manual October 2008
Page 4-37
ART_2580
Counterbalance
Valves
Setting Counterbalance Valves
1. Loosen the locknut on one of the valves.
2. Turn the adjustment screw counterclockwise (to the left) until it reaches the internal stop and
the screw will turn no further.
3. Turn the adjustment screw clockwise (to the right) 2¾ turns.
4. Tighten the locknut while holding the adjustment screw in position to prevent it from rotating.
5. Repeat steps 1 through 4 on the other Counterbalance valve.
6. Adjustment is complete.
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