5-8
159281-1CD
HW1480357
HP20D
5 Disassembly and Reassembly of Motors
5.4 Disassembly and Reassembly of R-Axis Motor
5.4 Disassembly and Reassembly of R-Axis Motor
4 “Disassembly and Reassembly of R-Axis Motor”
.
Disassembly
1. Turn OFF the DX100 power supply.
2. Remove the GT-SA bolts , then remove the cover .
3. Remove the plastic cover on the connector (signal) of the internal
wiring harness connected to the R-axis motor . Then, connect the
chapter 2 “Notes for Maintenance”
.)
4. Remove the plastic cover on the connector (power) of the R-axis
motor . Then, disconnect the connector (signal, power) of the
internal wiring harness connected to the R-axis motor .
5. Remove the GT-SA bolts . Insert stud bolts M6 (length of the thread
part: 40 mm or more) in the tapped holes M6 (2 holes) on the M-
base . Screw the stud bolts in until the gap between the motor and
the matching surface becomes 10 mm or more. Then, remove the M-
base from the casing.
6. Remove the hexagon socket head cap screw , then remove the
shaft , the speed reducer , and the washer .
7. Remove the GT-SA bolts . Then, remove the R-axis motor from
the M-base .
Reassembly
1. Mount the R-axis motor on the M-base .
2. Tighten the GT-SA bolts with the tightening torque shown in
4 "R-Axis Motor Parts Checklist"
.
3. Fill the hatched area of the oil seal shown in
and Reassembly of R-Axis Motor”
with Harmonic grease SK-1A.
4. Apply ThreeBond 1206C on the matching surface between the shaft
and the R-axis motor . Then, mount the shaft , the speed
reducer , and the washer on the R-axis motor .
5. Apply Loctite 242 to the thread part of the hexagon socket head cap
screw . Then, tighten it with the tightening torque shown in
"R-Axis Motor Parts Checklist"
6. Apply ThreeBond 1206C on the matching surface between the M-
base and the casing. Then, mount the M-base on the casing.
7. Tighten the GT-SA bolts with the tightening torque shown in
4 "R-Axis Motor Parts Checklist"
.
8. Connect the connector (signal, power) of the internal wiring harness to
the R-axis motor , and remove the backup battery. Then, put the
plastic cover on the connector.
9. Apply ThreeBond 1206C on the matching surface between the
cover and the casing. Then, mount the cover with the GT-SA
bolts .
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