YASKAWA MOTOMAN-MH5F, Maintenance Manual

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8 Disassembly and Reassembly and Adjustment of Timing Belts
8.2 Disassembly and Reassembly of R-Axis Timing Belt
8-3
176183-1CD
HW1483638
MH5S (II) /MH5F
8.2 Disassembly and Reassembly of R-Axis Timing Belt
• Refer to Fig. 8-2 “Disassembly & Reassembly of R-Axis Timing Belt” .
 Disassembly
1. Turn OFF the DX100/DX200/FS100 power supply.
2. Connect the backup batteries with the R-, B- and T-axes motors.
3. Unscrew the hexagon socket button head screws and remove the
cover .
4. Remove the internal wiring harness in the wrist unit and the casing to
the L-arm side. (Refer to Chapter 10 “Cable Wiring” .)
5. Unscrew the GT-SA bolts and remove the pipe .
6. Unscrew the GT-SA bolts and remove the R-axis motor . (Refer to
section 5.4 “Disassembly and Reassembly of the R-Axis Motor” .)
7. Remove the R-axis timing belt .
 Reassembly
1. Mount the R-axis timing belt .
2. Mount the R-axis motor . (Refer to section 5.4 .) Then hang the
timing belt .
3. Adjust the initial tension of the timing belt. (Refer to section 8.4
“Adjustment of Timing Belts” ) Then tighten the GT-SA bolts with the
tightening torque shown in Table 8-2 “R-Axis Timing Belt Parts
Checklist” .
4. Mount the pipe and tighten the GT-SA bolts with the tightening
torque shown in Table 8-2 .
5. Connect the internal wiring harness to the casing and the wrist unit.
(Refer to chapter 10 .)
6. Remove the backup batteries from the R-, B- and T-axes motors.
7. Mount the cover and tighten the hexagon socket button head
screws with the tightening torque shown in Table 8-2 .
8. Turn ON the DX100/DX200/FS100 power supply.
7
6
5 4
3 2
1
1
2
1
3
4 5
6
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