SMC Networks LEFS Series Manual page 145

Series
Electric Actuators/
Specific Product Precautions 3
Be sure to read this before handling. For Safety Instructions and Electric Actuator Precautions, refer to "Handling
Precautions for SMC Products" and the Operation Manual on SMC website, http://www.smcworld.com
Mounting
Caution
3. Keep the flatness of the mounting surface within the
following ranges when mounting the actuator body and
workpiece.
Unevenness of a workpiece or base mounted on the body of the
product may cause an increase in the sliding resistance.
Model Mounting position
LEY
Body/Body bottom
Bottom mounting
LEYG
Workpiece/Plate mounting
Maintenance
Warning
1. Ensure that the power supply is stopped and the work-
piece is removed before starting maintenance work or
replacement of the product.
• Maintenance frequency
Perform maintenance according to the table below.
Frequency
Inspection before daily operation
Inspection every 6 months/250 km/5 million cycles∗
∗ Select whichever comes sooner.
• Items for visual appearance check
1. Loose set screws, Abnormal dirt
2. Check of flaw and cable joint
3. Vibration, Noise
• Items for belt check
Stop operation immediately and replace the belt when belt appear to
be below. Further, ensure your operating environment and
conditions satisfy the requirements specified for the product.
a. Tooth shape canvas is worn out
Canvas fiber becomes fuzzy. Rubber is removed and the fiber
becomes whitish. Lines of fibers become unclear.
b. Peeling off or wearing of the side of the belt
Belt corner becomes round and frayed thread sticks out.
c. Belt partially cut
Belt is partially cut. Foreign matter caught in teeth other than cut
part causes flaw.
d. Vertical line of belt teeth
Flaw which is made when the belt runs on the flange.
e. Rubber back of the belt is softened and sticky
f. Crack on the back of the belt
LEY/LEYG
Flatness
0.1 mm
or less
0.05 mm
or less
0.05 mm
or less
Appearance check Belt check
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