Service and Repair Manual
June 2021
Control System
16
S
®
-80 J, S
®
-80 J TraX
™
Part No. 1285307GT
1-4
Machine Functions
How to Adjust the Machine Maximum Speed Setting
How to Adjust the Joystick
Maximum Speed Setting
The maximum speed of a joystick controlled
machine function can be modified from the ground
controls display. Whenever a hydraulic cylinder,
drive motor or hydraulic pump is replaced, the
maximum speed setting should be adjusted to
maintain optimum performance. The maximum
speed settings on the 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 Enter the Service Mode. See Repair
Procedure,
How to Enter the Service Mode
.
2 Press the
SETTINGS
button above the
display screen.
3 Select
SPEEDS
from the display screen.
4 Navigate to the desired function's Maximum
Speed setting.
5 Select the desired setting to change and
press
OK
.
6 In the parameter adjustment screen, use the
display buttons to change the parameter.
Note that the factory default speed is
considered 100% for maximum speeds.
7 Scroll and press
OK
. The change is effective
immediately.
8 Start the engine from the ground controls.
9 Start a timer and activate the machine
function that needs to be adjusted. Using the
ground control functions is the same as
asking for full joystick deflection at the
platform.
10 Record the time it takes for that function to
complete a full cycle (ie; boom up).
11 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.
12 Adjust the parameter in the ground display to
achieve the proper function cycle time.
Содержание Genie S-80 J
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