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xvii

166006-1CD

Table of Contents

RM2-755/1255SL

Positioner

6.8 Tooling Axis Reduction Gear Units (RV–80E–X)............................................................. 6-17

6.9 Main (Swing) Axis Hardstops........................................................................................... 6-17

6.10 Welding Ground System................................................................................................ 6-18

6.10.1 Inspection and Cleaning of Carbon Brushes .................................................... 6-18

6.10.2 Ground Brush Replacement............................................................................. 6-18

6.11 AC Servomotor Encoder Back-Up Battery..................................................................... 6-20

6.12 Positioner Home Position .............................................................................................. 6-21

6.12.1 RM2-755 Headstock......................................................................................... 6-21

6.12.1.1 Setting the Main Axis (S1) to Home (Zero) Position ........................... 6-21

6.12.1.2 Defining Trunnion Axis (S1) “A-Side” .................................................. 6-21

6.12.2 RM2-1255 Headstock....................................................................................... 6-23

6.12.2.1 Setting the Main Axis (S1) to Home (Zero) Position ........................... 6-23

6.12.3 Setting the Tooling Axis (S2 & S3) to Home (Zero) Position ............................ 6-25

6.12.3.1 “Re-Homing” Tooling Axes S2 & S3 to Flat at the Manipulator

and Operator: ...................................................................................... 6-26

6.13 Troubleshooting............................................................................................................. 6-27

6.13.1 Positioner ......................................................................................................... 6-27

6.13.2 MotoMount ....................................................................................................... 6-27

7 Recommended Spare Parts............................................................................................................ 7-1

Appendix A .......................................................................................................................................A-1

A.1 Performance Charts ..........................................................................................................A-1

A.1.1 Positioner Assembly.............................................................................................A-1

Appendix B .......................................................................................................................................B-1

B.1 Illustrated Parts List...........................................................................................................B-1

B.1.1 Illustrated Parts List Layout..................................................................................B-2

B.1.2 Parts List Table Structure.....................................................................................B-2

B.1.3 Illustrated Parts List for RM2-755SL and 1255SL with Grease Fittings

(Prior to August 2018) ..........................................................................................B-3

B.1.4 Illustrated Parts List for RM2-755SL with MultiPort Lubricator

(August 2018 or Later) .......................................................................................B-14

B.1.5 Illustrated Parts List for RM2-1255SL with MultiPort Lubricator

(August 2018 or Later) .......................................................................................B-24

B.1.6 Illustrated Parts List for Tailstock .......................................................................B-36

Appendix C .......................................................................................................................................C-1

C.1 Glossary............................................................................................................................C-1

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YASKAWA RM2-755/1255SL User Manual

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