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6.
Maintenance and Check
6-1.
Daily check
①
Is the operation smooth?
②
Is there any abnormal change in the piston speed and cycle time?
③
Is there any abnormality in the stroke?
6-2.
Periodic check
①
Are the cylinder mounting bolts and workpieces firmly fixed?
②
Is the operation smooth?
③
Are there any abnormal changes in the piston speed and cycle time?
④
Is there any external leakage?
⑤
Is there any abnormality in the stroke?
⑥
Are there any flaws on the piston rod
⑦
Is the drainage of the air filter removed periodically?
Check the above-mentioned items, and if any defects are found, take appropriate measures.
If there are any unclear points, consult SMC’s sales separtment.
6-3.
How to replace the seal
Caution
①
Ask SMC to replace the seal if the inside diameter of the tube is 4mm.
Tubes with a 4mm I.D cannot be disassembled. If they need to be disassembled in order to replace the packing
or for other purposes, please contact an SMC representative for the repair.
1
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Disassembly of the cylinder
①
Cleaning
Prior to disassembly, wipe off any dirt from the outside of the actuator.
This will prevent the intrusion of dust and foreign materials during disassembly.
Take particular care on the surface of the piston rod.
②
Removal of snap ring
Remove the snap ring with proper pliers.
③
Removal of head cover
Remove the head cover from the body by pushing the piston rod to the head side.
④
Disassembly
Pull out the piston rod.
Take care not to scratch or mark the internal face of the tube.