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

159281-1CD
HP20D
5.2
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5 Disassembly and Reassembly of Motors

5.2 Disassembly and Reassembly of L-Axis Motor

Disassembly and Reassembly of L-Axis Motor
• Refer to Fig. 5-2 "Disassembly and Reassembly of L-Axis Motor".
Disassembly
1. Turn OFF the DX100 power supply, then drain grease.
2. Connect the backup battery. (Refer to chapter 2 "Notes for
Maintenance".)
3. Disconnect the connector (signal, power, brake) of the internal wiring
harness connected to the L-axis motor . Fix the connector on the
motor side by using pliers, etc. when disconnecting the power
connector.
4. Support the L-arm with a chain block, etc. so that the L-arm does not
rotate before removing the L-axis motor .
5. Remove the hexagon socket head cap screws . Insert stud bolts M4
(length of the thread part: 30 mm or more) in the tapped holes M4 (2
holes) on the flange face of the L-axis motor . Screw the stud bolts in
until the gap between the motor and the matching surface becomes 10
mm or more. Then, remove the L-axis motor
M-base . At this time, be careful not to damage the oil seal inside the
3
S-head.
6. Remove the hexagon socket head cap screw , then remove the input
gear , the key , and the plate .
4 5
Reassembly
1. Apply ThreeBond 1206C on the matching surface between the L-axis
motor and the plate . Then, mount the plate
1
motor .
1
2. Apply ThreeBond 1206C on the matching surface between the input
gear and the plate . Then, mount the key
4 7
on the L-axis motor . (The key
1
3. 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 5-2 "L-Axis Motor
Parts Checklist".
4. Apply ThreeBond 1206C on the matching surface between the flange
face of the L-axis motor
motor on the M-base . At this time, be careful not to damage the
1
oil seal inside the S-head.
5. Tighten the hexagon socket head cap screws
torque shown in Table 5-2 "L-Axis Motor Parts Checklist".
6. Connect the connector (signal, power, brake) of the internal wiring
harness to the L-axis motor . Fix the connector on the motor side by
using pliers, etc. when connecting the power connector.
7. Replenish grease (VIGO Grease RE No.0) through the grease inlet.
8. Remove the backup battery.
9. Remove the chain block, etc. which support the L-arm.
10. Turn ON the DX100 power supply.
5-4
1
1
2
1
horizontally from the
1
6
7
7
5
is attached to the L-axis motor .)
5
and the M-base . Then, mount the L-axis
1
3
3
2
1
HW1480357
on the L-axis
7
and the input gear
4
1
with the tightening
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