MAINTENANCE MANUAL
8
STE 85357
2.5.1
Type of Timing Belt ...................................................................................... 48
2.5.2
Timing Belt Locations .................................................................................. 49
2.5.3
Replacing Axis 3 Timing Belt ....................................................................... 49
2.5.4
Replacing Axis 4 Timing Belt ....................................................................... 53
2.5.5
Check Timing Belt Adjustment ..................................................................... 58
2.6
Filling Grease to Ball Screw Spline Unit and Replacement ...................................... 59
2.6.1
Type of Ball Screw Spline Unit ..................................................................... 59
2.6.2
Ball Screw Spline Unit Location ................................................................... 60
2.6.3
Greasing Ball Screw Spline Unit and Applying Anticorrosive ........................ 60
2.6.4
Dismounting Ball Screw Spline Unit ............................................................. 64
2.6.5
Mounting Ball Screw Spline Unit .................................................................. 68
2.7
Reduction Gear Replacement .................................................................................. 71
2.7.1
Type of Reduction Gear .............................................................................. 71
2.7.2
Reduction Gear Locations ........................................................................... 72
2.7.3
Dismounting Axis 1 Reduction Gear ............................................................ 72
2.7.4
Mounting Axis 1 Reduction Gear ................................................................. 74
2.7.5
Dismounting Axis 2 Reduction Gear ............................................................ 77
2.7.6
Mounting Axis 2 Reduction Gear ................................................................. 78
2.7.7
Replacing Axis 4 Reduction Gear ................................................................ 80
3.
Maintenance of the Main Robot (THL500, THL600, THL700) ............................................ 82
3.1
Details of Inspection ................................................................................................ 82
3.1.1
Check of Each Bolt (or Screw) for Clamping................................................ 82
3.1.2
Check of Each Cable and Air Tube for Abrasion .......................................... 84
3.1.3
Check of Cable Clamp Tightening ............................................................... 85
3.1.4
Check of Each Axis for Operation ................................................................ 86
3.2
Layout of Robot Components and Drive Mechanism ............................................... 87
3.3
Dismounting and Mounting Each Cover ................................................................... 88
3.3.1
Arm 2 Cover ................................................................................................ 89
3.3.2
Base Covers................................................................................................ 89
3.4
Replacing Motor ...................................................................................................... 92
3.4.1
Type of Motor .............................................................................................. 92
3.4.2
Motor Locations ........................................................................................... 93
3.4.3
Dismounting Axis 1 Motor ............................................................................ 94
3.4.4
Mounting Axis 1 Motor ................................................................................. 95
3.4.5
Dismounting Axis 2 Motor ............................................................................ 98
3.4.6
Mounting Axis 2 Motor ................................................................................. 99
3.4.7
Dismounting Axis 3 Motor .......................................................................... 102