Terex Genie Z-34/22DC, Service Manual

Page: 97 / 188

Service Manual April 2016
Manifolds
84 Z-30/20N • Z-30/20N RJ • Z-34/22
• Z-34/22N
Part No. 139378
How t o Adj ust t he Tur nt abl e R ot at e R elief Valve How to Adjust the Turntable
Rotate Relief Valve
Note: Perform this procedure with the boom in the
stowed position.
Note: Refer to Function Manifold Component list to
locate 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
Specifications,
Manifold Component
Specifications.
4 Turn the machine off. Hold the turntable relief
valve(s) with a wrench and remove the cap.
5 Adjust the internal hex socket. Turn it
clockwise to increase the pressure or
counterclockwise to decrease the pressure.
Then 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.
7 Remove the pressure gauge.