tire or rim assembly component exceeds a non-first harmonic limit, the “Diagnosis
Explanation” popup screen will appear to provide a description of the component limit(s)
exceeded.
Refer to “Theory of Operation,” page 133.
In this case, a prompt is indicating
a rim T.I.R. limit is exceeded but is unlikely to cause a vibration.
Tire and/or rim replacement may be suggested prior to Forcematching®. When a
severe rim condition is detected, the tire results may be affected. In this case, a
prompt is recommending that the tire be re-tested on a better rim.
4.9 Details Screen
Tire and Rim Road Force® and Runout
From the “Diagnosis Explanation” screen, you may select to “Show Details.” The
“Details” popup screen will present a charted depiction of each measured component
and compare the measured data to the limits. Components that are not within limits,
but are unlikely to cause vibration are shown in yellow. Components that are not
within the limits and may cause vibration will be shown in red.
NOTE:
Passenger car limits are more sensitive than light truck
limits. Changing the “Passenger (P) or Light Truck (LT)”
selection may change the exceeded limits.
A graphic depiction and description of the measurement may be viewed by selecting
“Explain Measurements” from the “Details” popup screen. As each measurement
item is highlighted, the graphics will change to display the corresponding picture and
description.
GSP9720JLR Wheel Balancer Operation Instructions
Road Force® Measurement Procedures
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