August 2021 Service and Repair Manual
Manifolds
Part No. 1309020GT GS
â„¢
-30m • 32m • 30 • 32 • 46 • 55 61
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
How to A dju st t h e Plat fo rm Li ft R el ief V alve - Mod els w ith hydr auli c d rive
How to Adjust the Platform Lift
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.
-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.
1 Confirm the system relief pressure is set to
specification. Refer to Repair Procedure,
Valve Adjustments - Function Manifold.
Note: The system relief valve pressure must be
within specification before adjusting the lift relief
valve pressure.
2 Place maximum rated load into the platform.
Secure the load to the platform. Refer to
Specifications, Machine Specifications.
3 Connect a 0 to 5000 psi / 0 to 350 bar
pressure gauge to the test port on the function
manifold.
4 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.
5 Hold the lift relief valve with a wrench and
remove the cap.
6 While activating the platform up function,
adjust the internal hex socket clockwise, just
until the platform fully rises.
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