Lifting Arms 227
2. Secure the area around the path of the arm with barrier tape or barricades.
3. Put the transmission in Neutral, start the engine, and engage the hydraulic pump.
4. Clearly identify the stopper screw on the valve that relates to the proper function (boom
extension/retraction, gripper open/close).
5. Move the lever to evaluate arm speed, then release it.
6. Loosen the locknut.
7. Turn the restrictor adjustment screw only one eighth (1/8th) of a turn at a time to clearly feel a
significant change in the arm speed.
8. Move the lever again to evaluate arm speed. Repeat until cycle times are properly set (see Arm
operating pressure and cycle times on page 225).
9. Tighten back the locknut.
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