5 Disassembly and Reassembly of the Motor
5.2 Disassembly and Reassembly of the L-Axis Motor
5-3
176183-1CD
HW1483638
MH5S(II)/MH5F
5.2 Disassembly and Reassembly of the L-Axis Motor
• Refer to Fig. 5-2 “Disassembly & Assembly of L-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 L-axis motor .
(Refer to Chapter 2 “Notes for Maintenance”.)
4. Disconnect the cables (both encoder and power-cables) of the L-axis
motor from the internal wiring harness.
5. Unscrew the GT-SA bolts and remove the L-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 L-axis
motor .
7. Unscrew the hexagon socket head cap screw and remove the
pulley .
Reassembly
1. Mount the pulley on the L-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 Table 5-2 “L-Axis Motor Parts
Checklist”.
3. Mount the M-base on the L-axis motor and tighten the GT-SA
bolts with the tightening torque shown in Table 5-2.
4. Mount the L-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 washers to the GT-SA bolts , tighten them
with the tightening torque shown in Table 5-2. (Refer to section 8.1
“Disassembly and Reassembly of L- and U-Axis Timing Belts”and
adjust the initial tension of the timing belt.)
6. Connect the cables (both encoder and power-cables) of the L-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 Table 5-2.
9. Turn ON the DX100/DX200/FS100 power supply.
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