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C8 Maintenance 5. Joint #1
Installation: Joint #1 Reduction gear unit (M/C Cable Backward)
NOTE
When tightening hexagon socket head cap bolts, refer to the 2.4 Tightening Hexagon Socket
Head Cap Bolts.
1. Install the Joint #1 reduction gear unit.
Hexagon socket head cap bolts: 12-M6×50
Tightening torque: 18.0 ± 0.9 N·m
Installation face of the base reduction gear unit has clearance
holes.
Install the reduction gear unit to match the screws and the
clearance holes.
2. Install the Arm #1 to the base.
Hexagon socket head cap bolts: 15-M6×30 (with a plain
washer)
Tightening torque: 18.0 ± 0.9 N·m
■ There is a possibility of hands and fingers being caught and/or damage or
malfunction to the Manipulator. Be very careful when installing the arm. Have
at least two workers so that one can support the Manipulator while the other
CAUTION
worker is removing the bolts.
3. Connect the grease tube for the Arm #1 side to the fitting.
282
C Series Maintenance Manual Rev.2
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