DMTA-20073-01EN, Rev. C, November 2015
Table of Contents
iv
2. Setting Up the Instrument ........................................................................ 29
2.1 Connecting the RollerFORM Scanner to the Instrument .................................... 29
2.2 Setting Up the Instrument ....................................................................................... 31
2.3 Setting Up the Indexer Clicker ................................................................................ 33
2.4 Setting Up the Start Acquisition Button ................................................................ 36
3. Preparing the RollerFORM Liquid Chamber ....................................... 39
3.1 Filling the Acoustic Wheel’s Liquid Chamber ...................................................... 39
3.1.1 Choosing a Liquid to Fill the Chamber ....................................................... 39
3.1.2 Filling the Liquid Chamber .......................................................................... 40
3.2 Removing Air Bubbles from the Liquid Chamber ............................................... 47
4. Preparing for an Inspection ..................................................................... 49
4.1 Applying Couplant to the Acoustic Wheel and the Surface to Inspect ............ 49
4.2 Optimizing the Phased Array Signal ..................................................................... 50
4.3 Adjusting the Middle Wheel ................................................................................... 52
4.3.1 Retracting the Middle Wheel ........................................................................ 52
4.3.2 Removing the Middle Wheel ........................................................................ 54
4.3.3 Adjusting the Middle Wheel for Convex Surface Axial Scans ................ 55
4.4 Tracing the Scan Guide Lines on the Surface to Inspect ...................................... 59
5. Performing an Inspection ......................................................................... 63
6. Maintenance ................................................................................................ 71
6.1 Removing the Acoustic Wheel from the RollerFORM Scanner ......................... 71
6.2 Emptying the Acoustic Wheel’s Liquid Chamber ................................................ 74
6.3 Changing the Probe-Axle ......................................................................................... 77
6.3.1 Removing the Probe from the Acoustic Wheel .......................................... 77
6.3.2 Installing the Probe in the Acoustic Wheel ................................................ 80
6.4 Cleaning the Liquid Chamber ................................................................................. 85
6.5 Preserving or Restoring the Tire’s Transparency .................................................. 90
6.5.1 Preserving the Tire’s Transparency .............................................................. 90
6.5.2 Restoring the Tire’s Transparency ................................................................ 92
6.6 Changing the Tire ..................................................................................................... 96
6.7 Installing the Acoustic Wheel on the RollerFORM Scanner ............................. 107
6.8 Changing the Mini-Wheel Encoder ...................................................................... 110
6.8.1 Removing the Mini-Wheel Encoder from the Rear Roller ..................... 111
6.8.2 Removing the Mini-Wheel Encoder from the Alternate Encoder
Holder ........................................................................................................... 118
6.8.3 Installing the Mini-Wheel Encoder on the Rear Roller ........................... 121
6.9 Relocating the Mini-Wheel Encoder on the Acoustic Wheel ............................ 125
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