Disassembly And Reassembly Of Motors; Disassembly And Reassembly Of S-Axis Motor - YASKAWA MOTOMAN-HP20D Maintenance Manual

HP20D
5

Disassembly and Reassembly of Motors

5.1
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5 Disassembly and Reassembly of Motors

5.1 Disassembly and Reassembly of S-Axis Motor

Disassembly and Reassembly of S-Axis Motor
• Refer to Fig. 5-1 "Disassembly and Reassembly of S-Axis Motor".
• Refer to chapter 3 "Home Position Return", chapter 4
"Grease Replenishment and Exchange", and chapter 8
"Disassembly, Reassembly, and Adjustment of B- and T-
axis Timing Belts".
NOTE
• When replacing a motor, the backup battery does not need
to be connected.
• Remove old sealing bond on each part completely before
reassembly.
Disassembly
1. Turn OFF the DX100 power supply.
2. Connect the backup battery. (Refer to chapter 2 "Notes for
Maintenance".)
3. Disconnect the connector (signal, power) connected to the S-axis
motor .
1
4. Disconnect the power connector of the L-axis motor. Fix the connector
on the motor side by using pliers, etc. when disconnecting the power
connector.
5. Remove the GT-SA bolts . Insert stud bolts M6 (length of the thread
part: 30 mm or more) in the tapped holes M6 (2 holes) on the motor
flange face. Screw the stud bolts in until the gap between the motor
and the matching surface becomes 10 mm or more. Then, remove the
S-axis motor vertically from the M-base .
1
6. Remove the hexagon socket head cap screw , then remove the input
gear and the key .
3 4
Reassembly
1. Mount the key and the input gear
4
(The key is attached to the S-axis motor .)
4
2. Put the conical spring washer on the hexagon socket head cap
screw , then apply Loctite 242 to the thread part of the screw. Then,
6
tighten it with the tightening torque shown in Table 5-1 "S-Axis Motor
Parts Checklist".
3. Apply ThreeBond 1206C on the matching surface between the flange
face of the S-axis motor
motor on the M-base .
1
4. Tighten the GT-SA bolts
5-1 "S-Axis Motor Parts Checklist".
5. Connect the connector (signal, power) of the internal wiring harness
to the S-axis motor .
1
5-1
2
5
6
on the S-axis motor .
3
1
and the M-base . Then, mount the S-axis
1 5
5
with the tightening torque shown in Table
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HW1480357
159281-1CD
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