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Maintenance 7. Joint #3
6. Remove the brake power supply.
Cross recessed head screws with captive washer: 2-M3×6
7. Loosen the bolts securing the Joint #3 motor unit and remove
the belt.
Hexagon socket head cap bolts: 3-M4×20
■ Loosening the bolts while the Arm #3 is not bent may cause the belt come off and
the Arm #3 falls down, and it is extremely hazardous.
WARNING
Be sure to do the Removal steps 1 and 2 before loosening the bolts.
238
(with a plain washer)
C8 Rev.13
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