December 2019 Service and Repair ManualBoom ComponentsPart No. 1268496GT SX™-150 6510 Press the plus button to select YES, thenpress the enter button to accept.11 Place the digital level on top of the primaryboom near the pivot and note the angledisplayed on the digital level.12 Press the enter button until PRIMARY BOOMANGLE TO GRAVITY -2.6 DEG is displayed,press the plus or minus button to adjust thedisplay to the exact value shown on the digitallevel, then press the enter button.Note: If the measured angle already matches theangle shown on the display at the ground controls,press the plus button or minus button to changethe angle and then change back to the measuredvalue. The system must detect a change indisplayed value to record the calibrated value.Note: If the system exits out of calibration modewhen the engine is started, repeat step 8 andcontinue to step 13.13 Start the engine from the ground controls.14 Press and hold a function enable/speed selectbutton and the primary boom up button untilthe digital level displays 15 degrees.15 At the PRIMARY BOOM ANGLE TOGRAVITY 15 DEG screen, press the plus orminus button to adjust the display to the exactvalue shown on the digital level, then press theenter button.Note: If the measured angle already matches theangle shown on the display at the ground controls,press the plus button or minus button to changethe angle and then change back to the measuredvalue. The system must detect a change indisplayed value to record the calibrated value.16 Press and hold a function enable/speed selectbutton and the primary boom up button untilthe digital level displays 32 degrees.17 At the PRIMARY BOOM ANGLE TOGRAVITY 32 DEG screen, press the plus orminus button to adjust the display to the exactvalue shown on the digital level, then press theenter button.Note: If the measured angle already matches theangle shown on the display at the ground controls,press the plus button or minus button to changethe angle and then change back to the measuredvalue. The system must detect a change indisplayed value to record the calibrated value.18 Press and hold a function enable/speed selectbutton and the primary boom up button untilthe digital level displays 49 degrees.19 At the PRIMARY BOOM ANGLE TOGRAVITY 49 DEG screen, press the plus orminus button to adjust the display to the exactvalue shown on the digital level, then pressthe enter button.Note: If the measured angle already matches theangle shown on the display at the ground controls,press the plus button or minus button to changethe angle and then change back to the measuredvalue. The system must detect a change indisplayed value to record the calibrated value.20 Press and hold a function enable/speed selectbutton and the primary boom up button untilthe digital level displays 66 degrees.21 At the PRIMARY BOOM ANGLE TOGRAVITY 66 DEG screen, press the plus orminus button to adjust the display to the exactvalue shown on the digital level, then press theenter button.Note: If the measured angle already matches theangle shown on the display at the ground controls,press the plus button or minus button to changethe angle and then change back to the measuredvalue. The system must detect a change indisplayed value to record the calibrated value.