Hunter GSP9712 - Page 8

iv  Contents GSP9700 Series Road Force Measurement System Operation
6.4 Service Mode Setup and Features ........................................................................ 111
Setting Up the Runout & Road Force Limits...................................................111
Setting the “P” Limits...................................................................................111
Setting the “P/SUV” Limits........................................................................... 111
Setting the “LT” Limits ................................................................................. 112
Setting the Limits to “Factory Default”.........................................................112
Programmed Road Force Limits...............................................................112
Setting Up the Balance Limits............................................................................ 113
Main Selections ........................................................................................... 113
Setting Up the Weight Units ........................................................................ 113
Setting Up the Ounce Round Amount......................................................... 113
Setting Up the Gram Round Amount........................................................... 113
Setting the Limits Displayed........................................................................113
Non-SmartWeight Options ..........................................................................113
Setting Up the Ounce Blind Amount............................................................ 113
Setting Up the Gram Blind Amount .............................................................113
SmartWeight™ Options - Setting Up the Force Limits................................ 114
WeightSaver™ Residual Goal..................................................................... 114
Setting Up the Inner Dataset Arm Type.............................................................114
Setting Up the Console Type.............................................................................115
Setting Up the Load Roller Type........................................................................115
7. CALIBRATION AND MAINTENANCE......................................................... 116
7.1 Calibration Procedures ..........................................................................................116
Balancer (3 Spin Procedure)..............................................................................117
Inner Dataset
®
Arm (Calibration Tool, 221-672-1, Required)............................118
Outer Dataset
®
Arm (Calibration Tool, 221-672-1, Required) ........................... 121
Load Roller (Calibration Tool, 221-672-1, Required)......................................... 123
Servo-Stop .........................................................................................................125
Quick Calibration Check Procedure................................................................... 126
7.2 Diagnostic Procedures...........................................................................................126
Force Sensors.................................................................................................... 127
Rotary Encoders ................................................................................................ 127
Keys and Switches............................................................................................. 127
Data Acquisition Circuits....................................................................................127
Dataset
®
Arm Sensors .......................................................................................127
Loaded Runout Sensor......................................................................................127
7.3 Printing.....................................................................................................................127
Changing Ribbon Cartridge (P/N 162-42-2): .....................................................128
Bottom Feed Paper Loading..............................................................................128
7.4 Cleaning the Console .............................................................................................128
7.5 Spindle Hub Face and Shaft Maintenance ...........................................................129
7.6 Mounting Cone Maintenance................................................................................. 129
8. THEORY OF OPERATION .......................................................................... 131
8.1 Harmonic Vibrations...............................................................................................131
8.2 Road Force™ Measurement ..................................................................................133
Force Variation...................................................................................................133
Tire Radial Force Variation (Uniformity)...................................................... 134
8.3 Radial Force Variation (RFV) .................................................................................134
8.4 Radial Force Variation vs. Unloaded Run Out ..................................................... 135
8.5 Road Force Vibration Placed into Perspective.................................................135
8.6 StraightTrak
®
Lateral Force Measurement System.............................................136
StraightTrak
®
Lateral Force Measurement ........................................................ 136
Tire Pull Measurement and Correction........................................................ 136
Theory................................................................................................................137
Conicity........................................................................................................ 138
Plysteer........................................................................................................138
Net Tire Pull.................................................................................................138
9. GLOSSARY ................................................................................................. 139
9.1 Balancing Terms..................................................................................................... 139