Service and Repair Manual
May 2021
Manifolds
52
GS
™
-2669 DC • GS
™
-3369 DC • GS
™
-4069 DC
Part No. 1306585GT
How to Adjust the Oscillate Relief Valve
How to Adjust the Oscillate Relief
Valve
Note: Perform this procedure with the machine in
the stowed position and in high torque mode.
1 Connect a 0 to 5000 psi / 0 to 350 bar
pressure gauge to test port #2 (TP2) on the
function manifold.
2 Disconnect the harness from the oscillate
supply coil and the steer right coil.
3 Connect the oscillate supply harness to the
steer right coil and the steer right harness to
the oscillate supply coil.
4 Disconnect the harness from the proportional
relief valve.
5 Turn the key switch to platform control and
pull out the red Emergency Stop button to the
on position at both the ground and platform
controls.
6 Steer the machine to the right and hold. Note
the pressure readings on the pressure gauge.
Refer to Specifications,
Hydraulic
Components Specifications
.
7 Use a wrench to hold the oscillate relief valve
and remove the cap.
8 Adjust the internal hex socket. Turn it
clockwise to increase the pressure or
counterclockwise to decrease the pressure.
Install the relief valve cap.
Tip-over hazard. Do not adjust
the relief valve higher than
specified.
9 Repeat this procedure beginning with step
5 to confirm the relief valve pressure.
10 Connect the harness back to the original
position.
11 Remove the pressure gauge.
1 test port #2
2 oscillate supply coil
3 steer right coil
4 oscillate relief valve
5 proportional relief valve
Summary of Contents for Genie GS-2669 DC
Page 138: ...Service and Repair Manual May 2021 126 Ground Control Box Layout ...
Page 140: ...Service and Repair Manual May 2021 128 Platform Control Box Layout ...
Page 141: ...May 2021 Service and Repair Manual 129 Electrical Schematics Electrical Schematic ...
Page 144: ...Service and Repair Manual May 2021 132 Electrical Schematic ...
Page 145: ...May 2021 Service and Repair Manual 133 Hydraulic Schematics Hydraulic Schematic ...
Page 147: ......