MAINTENANCE MANUAL
9
STE 85357
3.4.8
Mounting Axis 3 Motor ............................................................................... 103
3.4.9
Dismounting Axis 4 Motor .......................................................................... 105
3.4.10
Mounting Axis 4 Motor ............................................................................... 106
3.5
Adjusting and Replacing Timing Belt ...................................................................... 107
3.5.1
Type of Timing Belt .................................................................................... 107
3.5.2
Timing Belt Locations ................................................................................ 108
3.5.3
Replacing Axis 3 Timing Belt ..................................................................... 108
3.5.4
Replacing Axis 4 Timing Belt ..................................................................... 111
3.5.5
Check Timing Belt Adjustment ................................................................... 114
3.6
Filling Grease to Ball Screw Spline Unit and Replacement .................................... 115
3.6.1
Type of Ball Screw Spline Unit ................................................................... 115
3.6.2
Ball Screw Spline Unit Location ................................................................. 116
3.6.3
Greasing Ball Screw Spline Unit and Applying Anticorrosive ...................... 116
3.6.4
Dismounting Ball Screw Spline Unit ........................................................... 119
3.6.5
Mounting Ball Screw Spline Unit ................................................................ 122
3.7
Reduction Gear Replacement ................................................................................ 126
3.7.1
Type of Reduction Gear ............................................................................ 126
3.7.2
Reduction Gear Locations ......................................................................... 127
3.7.3
Dismounting Axis 1 Reduction Gear .......................................................... 127
3.7.4
Mounting Axis 1 Reduction Gear ............................................................... 129
3.7.5
Dismounting Axis 2 Reduction Gear .......................................................... 133
3.7.6
Mounting Axis 2 Reduction Gear ............................................................... 134
3.7.7
Replacing Axis 4 Reduction Gear .............................................................. 136
4.
Maintenance of the Main Robot (THL800, THL900, THL1000) ........................................ 138
4.1
Details of Inspection .............................................................................................. 138
4.1.1
Check of Each Bolt (or Screw) for Clamping.............................................. 138
4.1.2
Check of Each Cable and Air Tube for Abrasion ........................................ 140
4.1.3
Check of Cable Clamp Tightening ............................................................. 141
4.1.4
Check of Each Axis for Operation .............................................................. 142
4.2
Layout of Robot Components and Drive Mechanism ............................................. 143
4.3
Dismounting and Mounting Each Cover ................................................................. 144
4.3.1
Arm 2 Cover .............................................................................................. 145
4.3.2
Base Covers.............................................................................................. 146
4.4
Replacing Motor .................................................................................................... 147
4.4.1
Type of Motor ............................................................................................ 147
4.4.2
Motor Locations ......................................................................................... 148
4.4.3
Dismounting Axis 1 Motor .......................................................................... 149