Genie GS-2669 Service And Repair Manual page 85

Service and Repair Manual
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
Specifications, Hydraulic Component
Specifications.
25 Turn the engine off. Hold the lift relief valve
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.
1 test port #2
2 test port #1
3 platform up relief valve
70 GS ™ -2669 RT • GS ™ -3369 RT • GS
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.
34 Pull out the red Emergency Stop button to the
on position and raise the platform
approximately 10 feet / 3m.
35 Return the safety arm to the stowed position.
36 Lower the platform to the stowed position.
37 Push in the red Emergency Stop button to the
off position.
38 Press and hold both the blue platform up and
yellow platform down buttons. Pull out the red
Emergency Stop button to the on position at
the ground controls.
Result: TUNE SPEEDS is showing in the
diagnostic display window.
39 Use the yellow platform down arrow to scroll to
select options.
Result: SELECT OPTIONS is showing in the
diagnostic display window. The ECM is now in
programming mode.
™ -4069 RT
May 2018
Part No. 1272219