2.5.9 Dismounting Axis 4 Motor ................................................................. 44
2.5.10 Mounting Axis 4 Motor ...................................................................... 45
2.6 Adjusting and Replacing Timing Belt ............................................................. 46
2.6.1 Type of Timing Belt ........................................................................... 46
2.6.2 Timing Belt Locations ........................................................................ 47
2.6.3 Replacing Axis 3 Timing Belt............................................................. 47
2.6.4 Replacing Axis 4 Timing Belt............................................................. 49
2.6.5 Adjusting Timing Belt ........................................................................ 52
2.7 Filling Grease to Ball Screw Spline Unit and Replacement ........................... 54
2.7.1 Type of Ball Screw Spline Unit .......................................................... 54
2.7.2 Ball Screw Spline Unit Location ........................................................ 55
2.7.3 Filling Grease to Ball Screw Spline Unit ............................................ 55
2.7.4 Dismounting Ball Screw Spline Unit .................................................. 57
2.7.5 Mounting Ball Screw Spline Unit ....................................................... 60
2.8 Filling Grease to Reduction Gear and Replacement ..................................... 63
2.8.1 Type of Reduction Gear .................................................................... 63
2.8.2 Reduction Gear Locations ................................................................. 64
2.8.3 Filling Grease to Reduction Gear ...................................................... 64
2.8.4 Dismounting Axis 1 Reduction Gear ................................................ 69
2.8.5 Mounting Axis 1 Reduction Gear....................................................... 71
2.8.6 Dismounting Axis 2 Reduction Gear ................................................. 73
2.8.7 Mounting Axis 2 Reduction Gear....................................................... 74
2.8.8 Replacing Axis 4 Reduction Gear ..................................................... 77
2.9 Replacing Position Detector (or Encoder) Batteries ...................................... 79
2.9.1 Battery Box Location ......................................................................... 80
2.9.2 Replacing Batteries ........................................................................... 80
2.9.3 Battery Error Code ............................................................................ 81
3. Maintenance of Controller ...................................................................................... 82
3.1 Cautions on Maintenance and Inspection...................................................... 82
3.2 Layout of Controller Parts .............................................................................. 83
3.3 Maintenance Procedures ............................................................................... 84
3.3.1 Check of Controller Air Vent Holes ................................................... 84
3.3.2 Check of Safety Devices for Function ............................................... 85
3.3.3 Battery Replacement ......................................................................... 88
3.3.4 Replacement of Switching Power Supply Unit .................................. 90
3.3.5 Replacement of Fuse (X8GN, X8GI Printed Board) .......................... 91
3.3.6 Replacement of Output ICs (X8GN, X8GI Printed Board) ................. 92
STE 85306
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