NORAC UC4.5-BC Operator Manual - Manual (Page 31)

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8.3.3 Boom Geometry Tuning (Push Test)
If it desired to redo the push test or if the system has been manually set up and the boom
geometry needs to be calibrated, the push test can manually launched.
To Manually Launch the Boom Geometry Test:
• Navigate to the "More?" menu prompt in the SETUP ( ) menu. Press to confirm.
• Navigate to "Roll?". Press to confirm.
• Press and hold from the "Roll On" screen to launch the Boom Geometry Test.
• Exit the cab and manually push either boom tip down 1 – 3 feet (30 – 90 cm) for a moment
and then let go.
• Do not walk near the sensors when approaching the boom. Stay at least 3 feet from the
sensor so as not to induce a measurement error.
To View the Roll Values:
By pressing and holding from the run screen, the Roll Values can be viewed. The screen
will appear as shown below.
Figure 11: Roll Values
The left and right values should normally be very close (within 10). Depending on the size of
the boom, for trapeze style booms the values will be around 20 to 40. For center pivot style
booms the values will be around 70 to 120.
The polarity will show "+ ?" until the sprayer has turned a corner or driven over a bump. For
sprayers which have 2 roll sensors installed with both the cables facing the right hand wing (as
described in the installation manual), the polarity should show "+ -".
72 +? 72
& let go ground near to
boom tip push Exit Cab
Roll Values
Polarity