August 2021 Service and Repair Manual
Manifolds
Part No. 1309020GT GS
â„¢
-30m • 32m • 30 • 32 • 46 • 55 63
How to A dju st t h e Stee r Rel ie f V alve - M odels w i th hy dra ul ic d riv e (i nclud es GS- 133 0m el ectri c driv e)
How to Adjust the Steer Relief
Valve - Models with hydraulic
drive
(includes GS-1330m electric
drive)
Note: Perform this test from the ground with the
platform controls. Do not stand in the platform.
1 Connect a 0 to 5000 psi / 0 to 350 bar
pressure gauge to the test port on the function
manifold.
2 Remove the platform controls from the
platform.
3 Turn the key switch to platform controls and
pull out the red Emergency Stop button to the
on position at both ground and platform
controls.
4 Steer the machine fully to the right or left and
hold. Note the pressure reading on the
pressure gauge. Refer to Specifications,
Hydraulic Components Specifications.
5 Turn the key switch to the off position.
6 Hold the valve stem with a hex key and
loosen the jam nut.
7 Adjust the valve stem. Turn it clockwise to
increase the pressure or counterclockwise to
decrease the pressure. Tighten the jam nut.
8 Repeat this procedure beginning with step
4 to confirm the relief valve pressure.
GS-1330m
1 test port
2 system relief valve
3 steer relief valve
GS-1530, GS-1532, GS-1930, GS-1932, GS-1932 XH
1 test port
2 steer relief valve
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