Epson G20 Series

TABLE OF CONTENTS
G10 / G20 Rev.20 ix
3.6 User Plate ............................................................................................. 117
3.7 Maintenance Plate ................................................................................ 117
3.8 Base Bottom Cover .............................................................................. 118
4. Cable 119
4.1 Replacing Cable Unit ........................................................................... 120
4.2 Wiring Diagrams .................................................................................. 132
4.2.1 Signal Cable ............................................................................ 132
4.2.2 Power Cable ............................................................................ 133
4.2.3 User Cable ............................................................................... 135
4.3 Replacing M/C Cable ........................................................................... 136
5. Arm #1 139
5.1 Replacing Joint #1 Motor ..................................................................... 140
5.2 Replacing Joint #1 Reduction Gear Unit ............................................. 142
6. Arm #2 145
6.1 Replacing Joint #2 Motor ..................................................................... 146
6.2 Replacing Joint #2 Reduction Gear Unit ............................................. 151
7. Arm #3 154
7.1 Replacing Joint #3 Motor ..................................................................... 155
7.2 Replacing the Timing Belt .................................................................... 159
7.2.1 G10 .......................................................................................... 160
7.2.2 G20 .......................................................................................... 164
7.3 Replacing the Brake ............................................................................ 165
8. Arm #4 167
8.1 Replacing Joint #4 Motor ..................................................................... 168
8.1.1 G10 .......................................................................................... 168
8.1.2 G20 .......................................................................................... 172
8.2 Replacing the Timing Belt .................................................................... 174
8.2.1 G10 .......................................................................................... 175
8.2.2 G20 .......................................................................................... 179
8.3 Replacing the Brake ............................................................................ 184
8.4 Replacing the Reduction Gear Unit ..................................................... 187
8.4.1 G10 .......................................................................................... 188
8.4.2 G20 .......................................................................................... 189
9. Bellows 191