YASKAWA MOTOMAN-MH5S Maintenance Manual

Contents

5 Disassembly and Reassembly of the Motor5.1 Disassembly and Reassembly of the S-Axis Motor5-1176183-1CDHW1483638MH5S(II)/MH5F5 Disassembly and Reassembly of the Motor5.1 Disassembly and Reassembly of the S-Axis Motor• Refer to Fig. 5-1 “Disassembly & Assembly of S-Axis Motor”. Disassembly1. Turn OFF the DX100/DX200/FS100 power supply.2. Unscrew the installation bolts and put the manipulator down sideways.Before unscrew the bolts, be sure to perform positioning to restore theinstalled position. If the installed position is changed after the motorreplacement, all the teaching points for the JOBs need to be modified.3. Unscrew the hexagon socket button head screws and remove thecover .4. Connect the backup battery with the cable of S-axis motor .(Refer to Chapter 2 “Notes for Maintenance”.)5. Disconnect the cables (both encoder and power-cables) of the S-axismotor from the internal wiring harness.6. Unscrew the hexagon socket head cap screws and remove theS-axis motor with the M-base , using the tap of the hexagon sockethead cap screw as a removal tap.7. Unscrew the hexagon socket head cap screws and remove thegear .8. Unscrew the hexagon socket head cap screws and remove theM-base from the S-axis motor . Reassembly1. Install the M-base on the S-axis motor . At this time, be carefulnot to damage the oil seal of the M-base .2. Tighten the hexagon socket head cap screws with the tighteningtorque shown in Table 5-1 “S-Axis Motor Parts Checklist”.3. Mount the gasket and then the gear on the S-axis motor .4. Attach the conical spring washer to the hexagon socket head capscrew , then apply LOCTITE 242 to its thread part and tighten it withthe tightening torque shown in Table 5-1.5. Before mounting the S-axis motor which is reassembled in step 3 onthe base, apply Three Bond 1206C to the matching face between theM-base and the base.6. Tighten the GT-SA bolts with the tightening torque shown inTable 5-1.7. Connect the cables (both encoder and power-cables) of the S-axismotor with the internal wiring harness.NOTERefer to Chapter 3 “Home Position Return” and Chapter 4“Grease Replenishment” in this manual.If you replace the motor, you don’t need to insert the backupbattery.Remove old sealing from each parts before startingassembling.87116 254325 15 1569 3 14152134 of 99