December 2018
Service and Repair Manual
Hydraulic Pumps
Part No. 1271125GT
Z®-60/37 DC • Z®-60
/37 FE
41
How t o C hec k t he F unction Pump C alibr ati on
How to Check the Function Pump
Calibration
Pump efficiency is calibrated automatically but must
be verified after a new pump installation and before
performing any boom speed calibrations. Refer to
Repair Procedures,
Calibration Process Steps.
This
procedure determines the number of revolutions
that are required to create a determined amount of
flow for both the large and small gear pumps.
Note: Start this procedure with the secondary boom
in the stowed position and primary boom at or
above horizontal. Position the machine in a suitable
location with sufficient vertical space. Refer to
Navigation Menus,
Settings Menu.
Note: Primary and secondary angle sensors must
be functional and calibrated. Refer to Repair
Procedures,
How to Calibrate Booms Angle
Sensors.
1
Pull out the red Emergency Stop button to the
on position at both the ground and platform
controls.
Note: If the unit is equipped with the engine option,
set the machine to DC mode.
2
Move and hold the drive enable toggle switch
in the right direction while holding steer in the
right direction.
3
When the display leaves SYSTEM READY
mode, release the drive enable toggle switch
and the steer joystick.
4
Momentarily activate steer in the right direction
until SETTINGS is shown on the display.
5
Momentarily activate the drive enable toggle
switch in the right direction until you see the
VALVE AND SENSOR SETTINGS screen.
6
Momentarily activate the drive enable toggle
switch in the right direction until CALIBRATE
TILT SENSOR is shown on the display.
7
Continue to momentarily active the steer in the
right direction until LARGE & SMALL PUMP
EFFICIENCY is shown on the display.
8
Momentarily activate the drive enable toggle
switch to enter LARGE & SMALL PUMP
EFFICIENCY menu.
9
Perform the secondary boom up function.
Result: A one second pulse alarm will sound
indicating a successful large pump efficiency
calibration. The display will indicate pump
efficiency in %.
10 Raise the secondary boom to the halfway
position.
11 Perform the secondary boom down function.
Result: A one second pulse alarm will sound
indicating a successful small pump efficiency
calibration. The display will indicate pump
efficiency in %.
To exit programming mode:
12 Move and hold the drive enable toggle in the
left position until the display returns to
SYSTEM READY mode.
Содержание Genie Z-60 DC
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