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LS-B series Maintenance Rev.1
3.1 Arm Top Cover ...................................................................................... 134
3.2 Arm Bottom Cover ................................................................................ 135
3.3 Connector Plate .................................................................................... 135
3.4 Connector Sub Plate ............................................................................ 137
3.5 User Plate ............................................................................................. 138
4.1 Replacing Cable Unit ............................................................................ 140
4.2 Wiring Diagrams ................................................................................... 145
4.2.1 Signal Cable ............................................................................. 145
4.2.2 Power Cable ............................................................................. 146
4.2.3 User Cable ................................................................................ 147
4.2.4 Color of Cables ......................................................................... 147
4.3 Replacing M/C Cable ........................................................................... 148
5.1 Replacing Joint #1 Motor ..................................................................... 154
5.2 Replacing Joint #1 Reduction Gear Unit .............................................. 158
6.1 Replacing Joint #2 Motor ..................................................................... 162
6.2 Replacing Joint #2 Reduction Gear Unit .............................................. 166
7.1 Replacing Joint #3 Motor ..................................................................... 171
7.2 Replacing the Timing Belt .................................................................... 175
7.3 Replacing the Brake ............................................................................. 179
7.4 Checking the Timing Belt Tension (Z Belt) ........................................... 183
8.1 Replacing Joint #4 Motor ..................................................................... 185
8.2 Replacing the Timing Belt .................................................................... 189
8.2.1 U2 Belt ...................................................................................... 190
8.2.2 U1 Belt ...................................................................................... 196
8.3 Replacing the Brake ............................................................................. 200
8.4 Checking the Timing Belt Tension (U1, U2 Belts) ................................ 203
11.1 Replacing the Converter Board .......................................................... 210
11.2 Replacing the Control Board .............................................................. 212
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