Epson T-B Series

Table of Contents
viii T-B series Maintenance Manual Rev.1
7.3 Power Cable Cover ............................................................................ 39
7.4 Connector Plate ................................................................................. 40
7.5 Power Unit Cover ............................................................................... 42
7.6 Base Side Cover ................................................................................ 43
7.7 User Plate ........................................................................................... 44
8. Cable 45
8.1 Replacing Cable Unit ......................................................................... 46
8.2 Insert or Pull out of Power Cable ....................................................... 54
9. Joint #1 55
9.1 Replacing Joint #1 Motor ................................................................... 56
9.2 Replacing Joint #1 Reduction Gear Units .......................................... 70
10. Joint #2 73
10.1 Replacing Joint #2 Motor ................................................................. 74
10.2 Replacing Joint #2 Reduction Gear Units ........................................ 80
11. Joint #3 83
11.1 Replacing Joint #3 Motor ................................................................. 84
11.2 Replacement of the timing belt ........................................................ 93
11.3 Replacing the Brake ......................................................................... 94
11.4 Checking the Timing Belt Tension (Z Belt) ...................................... 95
12. Joint #4 96
12.1 Replacing Joint #4 Motor ................................................................. 98
12.2 Replacement of the timing belt ...................................................... 104
12.2.1 U2 Belt (T6-B) .................................................................... 105
12.2.2 U1 Belt (T6-B) .................................................................... 110
12.2.3 U Belt (T3-B) ...................................................................... 111
12.3 Checking the Timing Belt Tension ................................................. 112
13. Ball Screw Spline Unit 113
14. Lithium Battery, SD Card, Boards, and Filter 116
14.1 Replacing the CPU/DPB Boards.................................................... 117
14.2 Replacing the Lithium Battery ........................................................ 120
14.3 Replacing the SD Card .................................................................. 121
14.4 Replacing the Power Board ........................................................... 122
14.5 Fieldbus I/O .................................................................................... 124