Dial Indicator Gauges Feature
The “Show Dial Indicators” key may be selected from the “Current Runout & Road
Force” screen to display on-screen dial indicator gauges. Each gauge displays the
runout (actual arm movement) encountered at that location. This data is also
displayed as the total indicated reading (T.I.R.) data on the runout plot screens. Refer
to “Harmonics & T.I.R. Data/Plots,” page 106. If there is green only showing in the
span of the gauge, T.I.R. runout is acceptable. If green and yellow appear on the
span of the gauge, T.I.R. runout is marginal. If red appears on the span of the gauge,
T.I.R. runout has been exceeded and may prompt an informative statement to appear
in the Diagnosis Box concerning the exceeded limit. The dial indicator located directly
above the tire tread is the loaded runout of the assembly as taken by the load roller.
As the wheel assembly is rotated on the spindle, the dial indicator gauges will change
to display current information for each dial indicator gauge position.
ASSEMBLY
LOADED RUNOUT
DIAL INDICATOR
LATERAL RIM RUNOUT
DIAL INDICATORS
RADIAL RIM RUNOUT
DIAL INDICATORS
“Hide Dial Indicators” can be selected to remove the dial indicator gauges from the
screen. Rim runout and road force will still be graphically depicted on the screen.
Lateral/Radial Rim High Spot Indicators Feature
The “Show Lateral High Spot(s)” and “Show Radial High Spot(s)” softkeys are available
to select a graphic depiction of the exact radial (blue indicators) or lateral (orange
indicators) first harmonic runout high spot locations. The high spots indicated are the
high spots of the first harmonic, NOT the T.I.R. runout high spots. The lateral/radial high
spots correspond to the lateral and radial first harmonic rim runout amounts on the left
side of “Current Runout & Road Force” screen. Located 180 degrees from the rim
matching mark is a green indicator that will appear between the rim lips to identify the
rim average 1st harmonic high spot.
Details/Diagnosis Explanation Key
“Show Details” can be selected to view detailed data about measurements taken and
the limits for each measurement.
When limits that are not first harmonic are exceeded, the “Show Details” key will be
replaced with an “Explain Diagnosis” key which can be selected to view information on
exceeded limits for the rim or tire. Refer to “Diagnosis Explanation Screen,” page 102.
GSP9720JLR Wheel Balancer Operation Instructions Road Force® Measurement Procedures
87
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