IAI America RCP4W - Manual (Page 58)

4. Maintenance Inspection
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7) For SA5C and SA6C, the motor unit is held with screws from the direction shown with arrows.
Remove the ball screw cover and the seal, loosen the screws and then detach the motor unit.
Loosen the four hex socket head cap screws holding the cover on the side opposite to the motor (at
the circled places) with a hex wrench to detach the cover.
8) Slide the terminal caps to remove them.
Seal
Ball Screw Cover
Seal
Tool to use: Hex wrench 2.5mm-sized
Edge Cap