SMC Networks ROBO Cylinder RGD4D - Manual (Page 50)

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3) Loosen the motor-unit affixing bolts using an Allen wrench of 2.5 mm across flats. Slide the motor, and
loosen and remove the belt.
4) Check the following points before restoring the home position:
• The motor side should be aligned with the initial countermark. If the position is offset, adjust it to
achieve proper alignment.
• The ball-screw side should be at a position where the rod projects 2 mm from the mechanical end.
After the check, attach a new belt while holding the pulleys on both sides in position.
Motor side Ball-screw side
Motor-unit affixing bolts
(Use an Allen wrench of 2.5 mm across flats.)
Motor-unit affixing bolts
(Use an Allen wrench of 2.5 mm across flats.)
Initial countermark position
Corresponding to a position
where the rod projects 2 mm
from the mechanical end