5-6
176183-1CD
HW1483638
5
Disassembly and Reassembly of the Motor
5.3 Disassembly and Reassembly of the U-Axis Motor
MH5S
(II)
/MH5F
5.3
Disassembly and Reassembly of the U-Axis Motor
• Refer to
Fig. 5-3 “Disassembly & Assembly of U-Axis Motor”
Disassembly
1. Turn OFF the DX100/DX200/FS100 power supply.
2. Unscrew the hexagon socket button head screws
and remove the
covers on the right and left sides
3. Connect the backup battery with the cable of U-axis motor
.
(Refer to
Chapter 2 “Notes for Maintenance”
.)
4. Disconnect the cables (both encoder and power-cables) of the U-axis
motor
from the internal wiring harness.
5. Unscrew the hexagon socket head cap screws
and remove
the U-
axis motor
with the M-base
. When remove the motor, support the
U-arm to avoid it from rotating.
6. Unscrew the GT-SA bolts
and remove the M-base
from the U-
axis motor
.
7. Unscrew the hexagon socket head cap screw
and remove the
pulley
.
Reassembly
1. Mount the pulley
on the U-axis motor
.
2. Attach the conical spring washer and the 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 U-axis motor
and tighten the GT-SA
bolts
with the tightening torque shown in
4. Mount the U-axis motor
which is reassembled to the step 3 on the
U-arm and put the timing belt on the pulley
.
5. Attach the conical spring washer to the hexagon socket head cap
screws
, tighten them with the tightening torque shown in
(Refer to
section 8.1 “Disassembly and Reassembly of L- and U-Axis
and adjust the initial tension of the timing belt.)
6. Connect the cables (both encoder and power-cables) of the U-axis
motor
with the internal wiring harness.
7. Remove the backup battery.
8. Mount the cover
and
tighten the hexagon socket button head
screws
with the tightening torque shown in
9. Turn ON the DX100/DX200/FS100 power supply.
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