Genie GS-2669 RT Service Manual page 126

Section 4 • Repair Procedures
MANIFOLDS
24 Press and hold the lift function enable button
and press and hold the blue platform up button.
Allow the platform to raise completely, then
continue activating the lift function while
observing the pressure reading on the pressure
gauge. Note the pressure. Refer to Section 2,
Specifications .
25 Turn the engine off. Hold the lift relief valve
(item FE) with a wrench and remove the cap.
26 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. Failure to adjust
the relief valve as instructed will
cause the machine to tip over
resulting in death or serious injury.
Do not adjust the relief valve
higher than specified.
27 Repeat this procedure beginning with step 23 to
confirm the relief valve pressure.
4 - 56 GS-2669 RT • GS-3369 RT • GS-4069 RT
a
FE
c
a test port #2
b test port #1
c platform up relief valve
28 Lower the platform and remove the test weights.
29 Raise the platform approximately 10 feet / 3 m.
30 Lift the safety arm and move it to the center of
the linkage and rotate to a vertical position.
31 Lower the platform onto the safety arm. Push in
the red Emergency Stop button to the off
position.
32 Remove the jumper from the pressure switch
harness and connect it to the pressure switch.
33 Install the maximum height limit switch to the
lower slider channel.
November 2014
b
Part No. 229753