Genie GS-2669 RT Service Manual page 123

November 2014
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 on the function manifold.
2 Tag and disconnect the harness from the
oscillate float valve (item A) on the function
manifold.
3 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.
4 Start the engine from the platform controls.
5 Fully move the drive controller in either direction.
Note the pressure readings on the pressure
gauge. Refer to Section 2, Specifications .
Note: The machine will not drive and a fault will
appear on the ground control display.
6 Turn the engine off. Use a wrench to hold the
oscillate relief valve (item A) and remove the
cap.
7 Adjust the internal hex socket. Turn it clockwise
to increase the pressure or counterclockwise to
decrease the pressure. Install the relief valve
cap.
Component damage hazard. Do
not adjust the relief valve higher
than specified.
8 Repeat this procedure beginning with step 3 to
confirm the relief valve pressure.
9 Remove the pressure gauge.
Part No. 229753 GS-2669 RT • GS-3369 RT • GS-4069 RT
Section 4 • Repair Procedures
a b c
d
FB FC
a oscillate float valve
b test port #2
c oscillate relief valve
d test port #1
MANIFOLDS
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