GSP9700 Series Road Force Measurement System Operation 4. Balancing a Wheel 51
Measuring 20 Inch or Larger Rims
Adjustable Length Inner Dataset Arm
The inner dataset arm is an extendable two-position arm that can measure data entry
and runout for wheels up 30-inch diameter. Retracted arm position measures 10” to
21” wheels. Extended arm position measures 20” to 30” wheels.
Retracted or extended position of inner arm is chosen by the operator from the “Enter
Dimensions” screen. This will appear when the inner Auto Dataset arm is activated.
The extendable inner dataset arm also has the built in stick-on weight holder used to
grip adhesive weights for accurate placement on the wheel.
Enabling the dataset arm type to extendable requires that the Service Mode must be
accessed and enable in Set Up.
To extend and lock the arm, loosen the locking screw, and slide the arm to the
desired length.
If the GSP balancer is not equipped with the extendable two-position arm, an
upgrade kit is available through the local Hunter Engineering Company service
representative.
Servo-Aided Adhesive Weight Placement
When Servo-Stop is enabled in setup, the inner Dataset
®
arm can be used to assist
in proper placement of adhesive weights. Servo-aided weight placement is a more
precise method of weight placement than manual weight placement. The motor will
automatically rotate the wheel to the contact point of the arm. This eliminates the
need for you to “eyeball” BDC, which often results in weight placement error.
Spin the wheel using Mixed Weights or Adhesive Weights selection.
Shape the weight to a contour similar to the curve of the rim.
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