5
Disassembly and Reassembly of the Motor
5.5 Disassembly and Reassembly of B-Axis Motor
5-11
176183-1CD
HW1483638
MH5S
(II)
/MH5F
5.5
Disassembly and Reassembly of B-Axis Motor
• Refer to
Fig. 5-5 “Disassembly & Reassembly of B-Axis Motor”
.
Disassembly
1. Turn OFF the DX100/DX200/FS100 power supply.
2. Unscrew the hexagon socket button head screws
and remove the
covers
.
3. Connect the backup battery with the cable of the B-axis motor
.
(Refer to
Chapter 2 “Notes for Maintenance”
.)
4. Disconnect the cables (both encoder and power-cables) of the B-axis
motor
from the internal wiring harness.
5. Unscrew the GT-SA bolts
and remove the B-axis motor
with the
M-base
from the U-arm.
6. Unscrew the GT-SA bolts
and remove the M-base
.
7. Unscrew the hexagon socket head cap screw
and remove the
pulley
.
Reassembly
1. Mount the pulley
on the B-axis motor
.
2. Attach the conical spring washer to the hexagon socket head cap
screw
, then apply LOCTITE 242 to the thread part and tighten it with
the tightening torque shown in
.
3. Mount the M-base
on the B-axis motor
and tighten the GT-SA
bolts
with the tightening torque shown in
.
4. Mount the B-axis motor
which is reassembled to the step 3 on the
U-arm and put the timing belt on the pulley
.
5. Tighten the GT-SA bolts
with the tightening torque shown in
section 8.3 “Disassembly and Reassembly of B- and T-
and adjust the initial tension of the timing belt.)
6. Connect the cables (both encoder and power-cables) of the B-axis
motor
with the internal wiring harness.
7. Remove the backup battery.
8. Mount the covers
and
tighten the hexagon socket button head
screws
with the tightening torque shown in
.
9. Turn ON the DX100/DX200/FS100 power supply.
6
5
1
1
8
1
7
2
7
4
3
3
1
4
7
1
2
1
3
8
1
5
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