Table of Contents
xiv C Series Maintenance Manual Rev.2
17. C8 Maintenance Parts List 417
18. C8 Option Parts List 421
C12 Series Maintenance
1. Safety Maintenance 425
2. General Maintenance 427
2.1 Maintenance Inspection........................................................................ 427
2.1.1 Schedule for Maintenance Inspection ...................................... 427
2.1.2 Inspection Point ........................................................................ 428
2.2 Overhaul (Parts Replacement) ............................................................. 430
2.3 Greasing ............................................................................................... 432
2.3.1 Joint #1 Reduction Gear Unit .................................................... 434
2.3.2 Joint #2 Reduction Gear Unit .................................................... 435
2.3.3 Joint #3 Reduction Gear Unit .................................................... 436
2.3.4 Joint #4 Reduction Gear Unit .................................................... 437
2.3.5 Joint #5 Reduction Gear Unit .................................................... 438
2.3.6 Joint #6 Reduction Gear Unit .................................................... 439
2.3.7 Joint #6 Bevel Gear .................................................................. 440
2.4 Tightening Hexagon Socket Head Bolts .............................................. 441
2.5 Layout of Maintenance Parts ................................................................ 442
3. Covers 443
3.1 Arm #1 Center Cover ............................................................................ 445
3.2 Arm #1 Side Cover ............................................................................... 446
3.3 Arm #2 Side Cover ............................................................................... 447
3.4 Arm #3 Cover ........................................................................................ 447
3.5 Arm #3 Maintenance Cover .................................................................. 448
3.6 Arm #4 Side Cover ............................................................................... 449
3.7 Arm #4 Maintenance Cover .................................................................. 450
3.8 Arm #4 D-sub Attachment .................................................................... 451
3.9 Base Cover ........................................................................................... 452
3.9.1 M/C Cable Backward ................................................................ 452
3.9.2 M/C Cable Downward ............................................................... 453
3.10 Base Maintenance Cover ................................................................... 455
3.11 Connector Plate .................................................................................. 456
3.11.1 M/C Cable Backward .............................................................. 456
3.11.2 M/C Cable Downward ............................................................. 458
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