Genie Z-30/20N Service Manual page 88

Section 4 • Repair Procedures
MANIFOLDS
How to Adjust the Turntable
Rotate Relief Valve
1 Connect a 0 to 3000 psi / 0 to 200 bar pressure
gauge to the test port on the function manifold.
2 Turn the key switch to ground control and pull
out the red Emergency Stop button to the on
position.
3 Move and hold the function enable toggle switch
to either side and move and hold the turntable
rotate toggle switch in the right direction (until
turntable stops against the rotation stop).
Observe the pressure reading on the pressure
gauge. Refer to Section 2, Specifications .
4 Turn the machine off. Hold the turntable relief
valve(s) with a wrench and remove the cap
(item D).
5 Adjust the internal hex socket. Turn it clockwise
to increase the pressure or counterclockwise to
decrease the pressure. Install the relief valve
cap.
Tip-over hazard. Do not adjust
the relief valve higher than
specified.
6 Repeat steps 2 and 3 to confirm the relief valve
pressure setting.
4 - 38 Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
June 2011
REV B
Part No. 139378