Terex Genie S-80, Service And Repair Manual

Page: 34 / 301

Service and Repair Manual March 2018
Platform Controls
20 S®- 80 • S® -85 • S® -80X Part No. 1269074GT
8 Start the engine from the platform controls and
press down the foot switch.
9 Start a timer and activate the machine function
that needs to be adjusted. Record the time it
takes for that function to complete a full cycle
(ie; boom up).
10 Compare the machine function time with the
function times listed in Refer to Specifications,
Performance Specifications . Determine
whether the function time needs to increase or
decrease.
11 While the joystick is activated, adjust the
max-out setting to achieve the proper function
cycle time. Momentarily move the drive enable
toggle switch in the right direction to increase
the function speed or momentarily move the
drive enable toggle switch in the left direction
to decrease the function speed.
Note: Each time the drive enable toggle switch is
momentarily moved, the function speed will change
in 2% increments from a default of 100%, with a
minimum of 60% and a maximum of 120%.
12 Repeat steps 9 through 11 for each joystick
controlled machine function.
13 Return the joystick to the neutral position and
wait for approximately 10 seconds to allow the
settings to be saved.
Result: The alarm should sound indicating that
the settings have been saved in memory.
Note: Do not operate any machine function during
the 10 second waiting time.
Function speeds (factory settings)
Boom up 89 to 93 seconds
Boom down 90 to 94 seconds
Boom extend 73 to 79 seconds
Boom retract 79 to 84 seconds
Turntable rotate, 360°boom fully
stowed
95 to 103 seconds
Drive speeds (factory settings)
Stowed- high speed 7.9 to 8.5 seconds
Non-stowed 40 to 45 seconds
How to Adj ust the Joystick Ram p R ate Setting How to Adjust the Joystick Ramp
Rate Setting
The ramp rate setting of a joystick controls the time
at which it takes for the joystick to reach maximum
output, when moved out of the neutral position. The
ramp rate settings of a joystick can be changed to
compensate for hydraulic pump wear to maintain
peak performance from the machine.
Note: Perform this procedure with the boom in the
stowed position.
1 Pull out the red Emergency Stop button to the
on position at both the ground and platform
controls.
2 Turn the key switch to platform controls. Do
not start the engine.
3 Push in the platform red Emergency Stop
button to the off position.
4 Do not press down the foot switch.
5 Move and hold the drive enable toggle switch
in the right position and pull out the red
Emergency Stop button to the on position.
6 When the alarm sounds, release the drive
enable toggle switch.
7 Momentarily activate the drive enable toggle
switch in the right direction 6 times.
Result: There should be a pause and the
alarm should sound 6 times indicating that the
machine is in ramp rate calibration mode.