National Crane 03-20-2019 Control # 613-06 3-19
NBT30H-2 SERVICE MANUAL ELECTRIC SYSTEM
I/O Screen #8:RCL Display Outputs
I/O Screen #9:Remote Module
I/O Screen #10: Throttle Module Outputs
RCL SENSOR CALIBRATION
The RCL sensors are located throughout the crane and are
used to monitor the lifting parameters set by the crane
operator. To ensure the sensors are working correctly it is
necessary to verify the calibration of each RCL sensor.
To perform this calibration, select the Tools icon on the Main
Menu, Figure 3-11.
The Tools Screen will appear, select the icon, the
Sensor Calibration Menu will appear. Reference the operator
manual for operating instructions.
The screen navigation is as follows:
- Tools Screen
- Password Screen
- System Configuration Menu
- Sensor Calibration Menu
NOTE: The five digit password, 1-2-3-3-1, is required to do
sensor calibration.
Sensor Calibration Menu
NOTE: The sensors are displayed in the above Sensor
Calibration Menu screen.
Sensor choices are:
- Slew Angle
- Boom Angle
- Boom Length/Tip Height
- Lift Cylinder Rod Pressure
- Lift Cylinder Piston Pressure
- Outrigger Length
Use the scroll arrow keys to navigate and highlight the
function keys. Press the checkmark button to select function.
Press the main menu button to go back to the Main
menu screen.
NOTE: This button is only displayed if the RCL has been
through configuration and set-up.
The Escape function returns to the previous screen
without deleting any limit values.
Slew Potentiometer Calibration
Level and set the truck on outriggers before starting the slew
potentiometer calibration procedure.
Name Status Value
Buzzer
Normal
ON
Truck Horn
Normal
OFF
Thumper
Normal
OFF
Remotes Hi-speed
Normal
OFF
Name Status Value
Telescope In (mA)
Normal
320
Telescope Out (mA)
Invalid
Lift Up (mA)
Invalid
Lift Down (mA)
Invalid
Name Status Value
Analog Throttle Enable
Normal
ON
Analog Throttle Command
Invalid
PWM Throttle Command
Invalid
8717-2
RCL Setup
Tools Diagnostics
FIGURE 3-11
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