Raven Case IH AutoBoom XRT, Calibration & Operation Manual, Page: 50 / 72

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46 Case IH AutoBoom XRT Calibration & Operation Manual
4. Press Begin Test .
5. Set the Target Velocity to -2° per second.
6. Raise the center rack and tilt one boom so the boom is approximately 5° above horizontal.
7. Press
Start Test . The boom should lower. When the test is complete, the average velocity will display.
8. Press the Settings (small gear) on the tab.
9. If the boom moved faster than the desired 2° per second, decrease the Down Speed Ratio . If the boom moved
slower than the desired 2° per second, increase the Down Speed Ratio value.
FIGURE 5. Down Speed Ratio Test Results
10. Repeat step 3 through step 9 until the speed matches the target velocity (+/- 20%).
11. Repeat step 3 through step 10 for the other boom.
NOTE: Test results are affected by coil temperature. Perform the tests three or more times in rapid succession
for best results.
At this point most machines should be performing optimally. If further tuning is necessary, continue
through these additional steps. Test the machine performance in the field before adjusting Boom
Gains.