Use both Dataset® arms in the UPWARD position at the clip-on weight location to 
measure the distance, diameter, and rim width dimensions. Refer to “Automatic 
Dataset® Arms Operation,” page 59.
NOTE:  The Dataset® Arms should be positioned in the location for 
weight placement. Refer to “Measuring Dimensions for 
Standard Clip-on Weight Balancing,” page 60.
Enter the data by depressing the foot pedal. Release the Dataset® arms. 
Close safety hood. 
Press the green “START” button if “Hood Autostart” is disabled. 
After wheel comes to a complete stop, raise the safety hood. 
The GSP9720JLR will find the TDC for the left weight plane if “Servo-Stop” is 
enabled. “Servo-Stop” will hold the wheel in the TDC position while the weight is 
applied. The weight amount will be displayed in green. 
Attach the weight amount shown on the LCD for the left weight plane to the inner rim 
of the wheel. 
NOTE:  If optional HammerHead™ TCD weight locator is installed, 
the weight should be applied at the location marked by the 
laser. Refer to “3.23 Optional HammerHead™ TDC Laser 
Adhesive Weight Locator,” on page 76.
If necessary, use the left “ ” to split the weight. Refer to “Split Weight
®
Feature,” page 66.
GSP9720JLR Wheel Balancer Operation Instructions  Balancing Procedures 
 51