Install the calibration weight on either side of the hub faceplate using either hole.
From the “Logo” primary screen, close the hood and press “Start.”
The screen will ask the user to verify that a Quick Cal-Check Spin should be
performed.
Press “Start” again for the calibration-check spin.
The display screen will read “Calibration Ready,” indicating the balancer is calibrated
and ready to use.
NOTE: If “Calibration Out” occurs, the balancer needs to be
recalibrated. Refer to “Balancer (3 Spin Procedure),”
page 121.
Check angle accuracy by verifying that when the weight location indicator is rotated
to TDC (12 o’clock position), the calibration weight is at TDC (12 o’clock position). If
cal weight is in a position other than TDC, perform calibration procedure.
The Quick Cal™ Check is complete.
Calibration Menu
Select “Calibrate” from the “Logo” screen. The “Calibration Procedures” primary
screen contains a list box of calibration procedures. As the procedures are
individually highlighted by selecting “n” or “p”, the equipment components to be
calibrated for each procedure are illustrated on the GSP9720JLR image.
Select “Show Calibration Data” to view the specific details of each calibration
procedure.
Calibration can be performed on the Balancer, the Inner Dataset® Arm, the Outer
Dataset® Arm, and the load roller.
Highlight the desired procedure, and select “Begin Procedure.” When finished
calibrating, select “Exit.” Throughout the calibration procedures, “Back Up” can be
selected to return to the previous step.
Dataset® arm and load roller calibrations require the optional calibration tool,
221-672-1. Balancers with StraightTrak® require Kit 20-1693-1 (refer to Form 4886T,
Calibration Instructions for StraightTrak® Kit 20-1693-1).
120
Calibration and Maintenance GSP9720JLR Wheel Balancer Operation Instructions
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