7.7. Calibrating Boom Length
Fully retract the boom,
Enter calibration mode and select the correct function code for calibrating SHORT (LO) boom
length,
Use the UP/DOWN keys to ramp the display to the required value then press ENTER to accept
this value.
Safely fully extend the boom,
Enter calibration mode and select the correct function code for calibrating LONG (HI) boom
length,
Use the UP/DOWN keys to ramp the display to the required value then press ENTER to accept
this value.
Verify that the boom length is accurately measured, using the VIEW
BOOM LENGTH function.
7.8. Calibrating Load Moment Based Systems
7.8.1.
Calibrating Load
Testing and calibrating force transducers
Preparations before calibrating load
Calibrating MAIN BOOM FORCE
Calibration FLY-JIB FORCE
7.8.2.
Calibrating Load Overview - (Without Test-weights)
ROBWAY has introduced a new, simple method for calibrating load on Load Moment systems. This
method does not require test loads for calibrating the load, instead it uses the un-laden boom which
is calibrated at two different boom angles.
The w eight of the hook block and any w ire rope betw een the
hook block and boom/jib sheaves must be known precisely.
7.8.3.
Testing & calibrating Transducers Overview
Load is measured using force transducers. There may be one or two of these devices used
depending on the application. Before going on to calibrating the load, the transducers must be
checked and calibrated to force. The following paragraphs describe how this is done.
Testing the force transducers is done through the functions
"VIEW UNCALIBRATED TRANSDUCER 1 INPUT"
"VIEW UNCALIBRATED TRANSDUCER 2 INPUT",
(only needed if using two transducers )
Make sure that the transducers are correctly connected to the ROBWAY system.
Connect the auxiliary cable to the Robway system as for the Main winch above.
For two pendant load-cells connect the right hand side transducer (as you look on to the boom from
the driver's seat) to input #1, and the left hand side transducer to input #2.
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