Valve Adjustments - Function Manifold; How To Adjust The System Relief Valve - Models With Electric Drive - Terex Genie GS-1330m Service And Repair Manual

August 2021
5-11
Valve Adjustments - Function
Manifold
Note: Verify the hydraulic oil level is at the FULL
mark on the hydraulic tank.
How to Adjust the System Relief
How to Adju st th e Syste m Relie f Valve - M odels wit h ele ctric drive
Valve - Models with electric drive
Note: Perform this procedure with the machine on
a firm, level surface with all weight, tools and
equipment removed from the platform.
Note: Perform this procedure in an area that is free
of overhead obstructions.
1 Connect a 0 to 5000 psi / 0 to 350 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 at both ground and platform controls.
3 From the ground controls, fully elevate the
platform. Continue holding platform up while
observing the pressure reading on the
pressure gauge. Note the pressure. Refer to
Specifications, Hydraulic Component
Specifications.
4 Turn the key switch to the off position.
5 Hold the valve stem with a hex key and
loosen the jam nut.
6 Adjust the valve stem. Turn it clockwise to
increase the pressure or counterclockwise to
decrease the pressure. Tighten the jam nut.
Part No. 1309020GT
7
GS-1432m, GS-1932m, GS-1932m Lite, GS-1932m XH
GS ™ -30m • 32m • 30 • 32 • 46 • 55
Service and Repair Manual
Repeat this procedure beginning with step
3 to confirm the relief valve pressure.
GS-1330m
1 test port
2 system relief valve
3 steer relief valve
1 system relief valve
2 test port
Manifolds
59