How To Adjust The Platform Lift Relief Valve - Models With Hydraulic Drive - Terex Genie GS-1330m Service And Repair Manual

August 2021
7 Install the relief valve cap.
8 Repeat this procedure beginning with step
4 to confirm the relief valve pressure.
GS-1530, GS-1532, GS-1930, GS-1932, GS-1932 XH
1 test port
2 system relief valve
GS-2032, GS-2632
1 test port
2 system relief valve
3 steer relief valve
4 lift relief valve
Part No. 1309020GT
How to Adjust the Platform Lift How to Adju st th e Platfo rm Lift R elief Valve - Mod els with hydr aulic d rive
Relief Valve - Models with
hydraulic drive
Note: Perform this test from the ground with the
platform controls. Do not stand in the platform.
Note: Verify the hydraulic oil level is at the FULL
mark on the hydraulic tank.
1
Note: The system relief valve pressure must be
within specification before adjusting the lift relief
valve pressure.
2
3
4
5
6
GS ™ -30m • 32m • 30 • 32 • 46 • 55
Service and Repair Manual
Tip-over hazard. Failure to
adjust the relief valves to
specification could result in the
machine tipping over, causing
death or serious injury. Do not
adjust the relief valve pressures
higher than specifications.
Confirm the system relief pressure is set to
specification. Refer to Repair Procedure,
Valve Adjustments - Function Manifold.
Place maximum rated load into the platform.
Secure the load to the platform. Refer to
Specifications, Machine Specifications.
Connect a 0 to 5000 psi / 0 to 350 bar
pressure gauge to the test port on the function
manifold.
Turn the key switch to ground control and pull
out the red Emergency Stop button to the on
position at both ground and platform controls.
Hold the lift relief valve with a wrench and
remove the cap.
While activating the platform up function,
adjust the internal hex socket clockwise, just
until the platform fully rises.
Manifolds
61