Cylinder Maintenance Manual: 5 Key Steps to Extend Equipment Life

1. Regularly Check the Quality of the Air Source
Problem: Impurities in the Compressed Air Affect Cylinder Performance
Moisture: Causes Internal Rust and Affects Sealing
Oil: Aging the Seal and Reduces Lubrication Effect
Particles: Scratches the Inner Wall of the Cylinder and Causes Leakage
Solution
Install a Triple Fitting (Filter, Pressure Reducing Valve, Oil Mist) to Ensure a Clean Air Source
Discharge the Condensed Water from the Air Tank Regularly to Prevent Water from Entering the Cylinder
Check the Air Drying System to Ensure the Dew Point of the Compressed Air Meets the Requirements

2. Lubrication Management: Keep the Cylinder Running Smoothly
Problem: Insufficient or Excessive Lubrication Affects Cylinder Life
Insufficient Lubrication → Piston Rod Wear, Seal Damage
Excessive Lubrication → Oil Accumulation, Affecting the Performance of Pneumatic Components
Solution
Use Special Pneumatic Lubricant (ISO VG32 or Equivalent)
Regularly Check the Oil Level in the Oil Mist to Ensure Stable Oil Supply
Avoid Using Ordinary Engine Oil to Prevent the Seal from Expanding or Corroding

3. Seal Inspection and Replacement
Problem: Aging of Seals Leads to Cylinder Leakage
Air Leakage → Power decreases, energy consumption increases
Piston stuck → Unstable movement, affecting accuracy
Solution
Check the seal every 6-12 months, and replace it immediately if cracks or deformation are found
Select high temperature and corrosion resistant sealing materials
Apply grease during installation to avoid scratches on the seal

4. Piston rod protection: prevent scratches and corrosion
Problem: Piston rod damage leads to seal failure
Scratches → Leakage, seal wear
Rust → Increased movement resistance and shortened life
Solution
Install a dust cover (bellows or scraper ring) to prevent dust from entering
Clean the piston rod regularly to avoid scratches by hard objects
Use stainless steel cylinders in corrosive environments

5. Regular performance testing and troubleshooting
Problem: Cylinder performance degradation is not discovered in time
Slow movement → Insufficient air pressure or internal leakage
Abnormal noise → Piston rod bending or buffer failure
Solution
Perform no-load test every month to check whether the movement is smooth
Use pressure gauge to detect intake/exhaust pressure to ensure stability
Stop and check immediately if abnormality is found to avoid collateral damage