Disassembly And Reassembly Of The S-Axis Motor - YASKAWA Motoman GP50 Maintenance Manual

5 Disassembly and Reassembly of the Motor
5.1

Disassembly and Reassembly of the S-Axis Motor

5.1 Disassembly and Reassembly of the S-Axis Motor
• Refer to fig. 5-2(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
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
1
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
the S-axis motor
the tapped holes on the motor flange face.
5. Unscrew the hexagon socket head cap screw
gear , bearing
3
6. Unscrew the hexagon socket head cap screw
base and the oil seal
8
 Reassembly
1. Apply ThreeBond 1206C to the contact surface of the S-axis motor
and the motor base
seal on the S-axis motor
9
hexagon socket head plug
symbol). For the place to apply sealing bond, refer to fig. 5-2(b)
"Surface to Apply Sealing Bond on the S-Axis Motor" .
2. Tighten the hexagon socket head cap screw
torque shown in table 5-1 "S-Axis Motor Parts Checklist" .
3. Apply MP-1 grease to the lip part of the oil seal
4. Mount the gear
axis motor
1
5. Pass the hexagon socket head cap screw
spring washer, and apply LOCTITE 243 to the thread part of the screw.
Tighten the screw with the tightening torque shown in table 5-1.
6. Apply ThreeBond 1206C to the contact surface of the motor base
and the S-head, and then mount the S-axis motor
For the place to apply sealing bond, refer to fig. 5-2(c) "Surface to
Apply Sealing Bond on the S-Axis Spacer" .
7. Tighten the hexagon socket head cap screws
torque shown in table 5-1.
8. Connect the encoder cable to the S-axis motor
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.)
9. As shown in fig. 5-2(e) "Motor Power Cable" , insert the power
connector to the S-axis motor
turn the coupling nut on the cable side until it makes a clicking sound.
Confirm that the arrow marks on the connector on the motor side and
the connector on the wiring harness side match.
10. Turn ON the power supply of the YRC1000.
, and then disconnect the power cable. If the connector
and the motor base
1
, key , and retaining ring
4
6
.
9
, and then mount the motor base
8
. Mount the motor base
1
is in the position shown in the figure (
11
, bearing , key
3 6 4
.
by aligning the key position, and then
1
5-2
HW1484673
(fixing bolt:
1
, and then remove
2
from the S-head by using
8
, and then remove the
5
.
7
and remove the M-
10
and the oil
8
so that the
8
with the tightening
10
.
9
, and retaining ring on the S-
7
through the conical
5
on the S-head.
1
with the tightening
2
, and then tighten
1
HW1484673
1
8
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