Maintenance; Checks; Inspection Points; Inspection Interval - SMC Networks MWB 32-UT Series Operation Manual

4. Maintenance

Do not disassemble the lock unit or perform maintenance. Replace the complete lock unit instead.

4-1. Checks

4-1-1. Inspection points

① Check the tightness of the mounting bolts (hexagon socket head cap screw) holding the lock unit.
② Operation of the lock unit. Overrun and the stopping accuracy.
③ Check the tightness of bracket mounting bolts and nuts.
④ Ensure smooth operation of the actuator and device.
(Smooth operation of the actuator and device while lock released)
⑤ Check to see if there have been any changes to the actuator and device operating speed or cycle time.
⑥ Are there any gouges, dents or deformation on the rod which the lock unit is fitted to?
When any abnormality is found as a result of the inspections shown above, eliminate the causes and take the
necessary countermeasures such as retightening screws or replacement of the lock unit.
Contact SMC Sales if the lock unit needs to be repaired.

4-1-2. Inspection interval

To ensure the MWB series with lock unit is kept in the best possible condition, inspections need to be
performed once or twice a year
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W a r n i n g
・Maintenance should be performed according to the items above. Perform additional
inspections as necessary.
Improper handling can cause damage or malfunction of equipment and machinery.
・Removal of equipment and supply/exhaust of compressed air
When equipment is removed, first confirm that measures are in place to prevent work piece from dropping
and/or equipment running away, etc. Cut the supply pressure and electric power and exhaust all
compressed air from the system. Before restarting the equipment, confirm that measures are taken to
prevent sudden action.
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C a u t i o n
To avoid the reduction of the holding force, do not apply too much grease of oil to the piston
surface.
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