Disassembly And Reassembly Of T-Axis Motor - YASKAWA MOTOMAN-HP20D Maintenance Manual

HP20D
5.6
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5 Disassembly and Reassembly of Motors

5.6 Disassembly and Reassembly of T-Axis Motor

Disassembly and Reassembly of T-Axis Motor
• Refer to Fig. 5-6 "Disassembly and Reassembly of T-Axis Motor".
Disassembly
1. Turn OFF the DX100 power supply.
2. Remove the B-axis motor . (Perform the steps 2 to 4 of
"Disassembly" in section 5.5 "Disassembly and Reassembly of B-Axis
Motor".)
3. Remove the plastic cover on the connector (signal) of the internal
wiring harness connected to the T-axis motor . Then, connect the
backup battery. (Refer to chapter 2 "Notes for Maintenance".)
4. Remove the plastic cover on the connector (power) of the internal
wiring harness connected to the T-axis motor . Then, disconnect the
connector (signal, power) of the internal wiring harness.
5. Remove the GT-SA bolts , then remove the T-axis motor
U-arm.
6. Remove the hexagon socket head cap screw , then remove the
pulley . (Use the holes (2 holes, diameter: 4 mm) on the surface of
3
the pulley to fix it.)
3
Reassembly
1. Mount the pulley on the T-axis motor .
3
2. Apply Loctite 242 to the thread part of the hexagon socket head cap
screw . Then, tighten it with the tightening torque shown in Table 5-6
4
"T-Axis Motor Parts Checklist". (Use the holes (2 holes, diameter: 4
mm) on the surface of the pulley
3. Mount the T-axis motor
pulley .
3
4. Then, tighten the GT-SA bolts
Table 5-6 "T-Axis Motor Parts Checklist".
(Refer to chapter 8 "Disassembly, Reassembly, and Adjustment of B-
and T-axis Timing Belts" to adjust the belt tension.)
5. Connect the connector (signal, power) of the internal wiring harness to
the T-axis motor , and remove the backup battery. Then, put the
1
plastic cover on the connector.
6. Remove the B-axis motor . (Perform the steps 3 to 7 of
"Reassembly" in section 5.5 "Disassembly and Reassembly of B-Axis
Motor".)
7. Turn ON the DX100 power supply.
5-13
5
1
1
2
4
1
to fix the it.)
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on the U-arm, then put the belt on the
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with the tightening torque shown in
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