YASKAWA MOTOMAN-MH5S II, Maintenance Manual

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5 Disassembly and Reassembly of the Motor
5.4 Disassembly and Reassembly of the R-Axis Motor
5-9
176183-1CD
HW1483638
MH5S (II) /MH5F
5.4 Disassembly and Reassembly of the R-Axis Motor
• Refer to Fig. 5-4 “Disassembly & Assembly of R-Axis Motor” .
 Disassembly
1. Turn OFF the DX100/DX200/FS100 power supply.
2. Unscrew the hexagon socket button head screws and remove the
cover .
3. Unscrew the hexagon socket head cap screws and pull out the
internal wiring harness.
4. Connect the backup battery with the cable of the R-axis motor .
(Refer to Chapter 2 “Notes for Maintenance” .)
5. Disconnect the cables (both encoder and power-cables) of the R-axis
motor from the internal wiring harness.
6. Unscrew the GT-SA bolts and remove the R-axis motor from the
casing.
7. Unscrew the hexagon socket head cap screw and remove the
pulley .
 Reassembly
1. Mount the pulley on the R-axis motor .
2. Attach the conical spring washer to the hexagon socket head cap
screw , then apply LOCTITE 242 to the thread part and tighten it with
the tightening torque shown in Table 5-4 “R-Axis Motor Parts
Checklist” .
3. Mount the R-axis motor on the casing and put the timing belt on the
pulley .
4. Tighten the GT-SA bolts with the tightening torque shown in Table
5-4 . (Refer to section 8.2 “Disassembly and Reassembly of R-Axis
Timing Belt” and adjust the initial tension of the timing belt.)
5. Attach the conical spring washers to the hexagon socket head cap
screws and tighten them with the tightening torque shown in Table
5-4 .
6. Connect the cables (both encoder and power-cables) of the R-axis
motor with the internal wiring harness.
7. Remove the backup battery.
8. Put the internal wiring harness back to the original state.
9. Mount the cover and tighten the hexagon socket button head
screws with the tightening torque shown in Table 5-4 .
10. Turn ON the DX100/DX200/FS100 power supply.
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