Epson G20 Series

TABLE OF CONTENTS
x G10 / G20 Rev.20
10. Ball Screw Spline Unit 194
10.1 Greasing the Ball Screw Spline Unit .................................................. 195
10.1.1 Standard-model ........................................................................ 195
10.1.2 Cleanroom-model / Protected-model ....................................... 196
10.2 Replacing the Ball Screw Spline Unit ................................................. 198
10.2.1 G10 ........................................................................................... 198
10.2.2 G20 ........................................................................................... 205
11. Lithium Battery 210
11.1 Replacing the Battery Unit (Lithium Battery) ...................................... 212
11.2 Replacing the Battery Board ............................................................... 214
12. LED Lamp 216
13. Radiating Unit 218
14. Calibration 220
14.1 About Calibration ................................................................................ 220
14.2 Calibration Procedure ......................................................................... 221
14.3 Accurate Calibration of Joint #2 ......................................................... 231
14.4 Calibration Procedure without using Calibration Wizard ................... 233
15. Maintenance Parts List 237
15.1 Common Parts .................................................................................... 237
15.2 Parts by Environment Model .............................................................. 239