YASKAWA MOTOMAN-PH130F, Maintenance Manual

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6 Disassembly and Reassembly of the Motors
6.1 Disassembly and Reassembly of the S-Axis Motor
6-2
HW1485471
HW1485471
6.1 Disassembly and Reassembly of the S-Axis Motor
• Refer to fig. 6-2(a) “Disassembly and Reassembly of the S-Axis
Motor” .
 Disassembly
1. Turn OFF the power supply of the YRC1000.
2. Remove the encoder connector of the S-axis motor (fixing bolt:
pan-head screw M2), and then disconnect the encoder cable.
3. Turn the connector on the cable side of the power connector for the S-
axis motor , and then disconnect the power cable. If the connector
does not turn, remove the connector by holding the connector on the
cable side with a pair of plastic pliers, etc.
4. Unscrew the hexagon socket head cap screws , and insert stud
bolts M6 (length: 50 mm or more) into the tapped hole M6 (4 places)
on the motor flange face. Screw the stud bolts so that the clearance
between the motor and the contact surface is 30 mm or more, roughly.
5. Mount eyebolts (2 bolts) on the thread parts M8 of the motor, and then
remove the S-axis motor from the S-head vertically by using the
eyebolts.
6. Unscrew the hexagon socket head cap screw , and then remove
the gear , fly wheel , and key .
 Reassembly
1. Mount the key on the S-axis motor . (The key is provided
with the S-axis motor .)
2. Apply ThreeBond 1206C to the contact surface of the S-axis motor
, gear , and fly wheel , and then mount the gear and fly
wheel on the S-axis motor .
For the place to apply sealing bond, refer to fig. 6-2(c) “Surface to
Apply Sealing Bond on the S-Axis Gear” and fig. 6-2(d) “Surface to
Apply Sealing Bond on the S-Axis Flywheel” .
3. Apply LOCTITE 243 to the thread part of the hexagon socket head cap
screw , and then tighten it with the tightening torque shown in
table 6-1 “S-Axis Motor Parts Checklist” .
4. Apply ThreeBond 1206C to the contact surface (2 places) of the S-axis
motor and the S-head, and then mount the S-axis motor on the
S-head.
For the place to apply sealing bond, refer to
fig. 6-2(b) “Surface to
Apply Sealing Bond on the S-Axis Motor” .
5. Tighten the hexagon socket head cap screws with the tightening
torque shown in table 6-1 .
6. Connect the encoder cable to the S-axis motor , and then tighten
the connector fixing bolt (pan-head screw M2) with a tightening torque
of 0.2 N•m. (The connector fixing bolt is provided with the connector.)
NOTE
For removing/applying of sealing bond and assembling after
applying sealing bond, refer to
chapter 5.2 “Removing,
Applying, Assembling of Sealing Bond” .
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