Atlas Copco Stationary Air Compressor SF4

Loosen the belt tension by screwing bolts equally and take out the belts

Install new belts in the grooves of the pulleys

Tension the belts by screwing bolts equally

The tension is correct if the deflection is between 5 mm and 7 mm when exerting a force of 25 N on the belt midway between the pulleys

Make sure that the pulleys remain aligned

The maximum out-of-line is - maximum parallel out-of-line: 0.5 mm - maximum angular out-of-line: 0.5 degrees

NOTE! Check the belt tension after the first 500 running hours

Remove the filter cover and filter

Fit a new filter and reinstall the cover

NOTE! Inspect ball valve mechanism of condensate trap every 5000 Hours / 1 Year

NOTE! Replace V-belt(s) every 5000 Hours / 1 Year

NOTE! Grease orbiting scroll bearing every 5000 Hours / 2 Year

Sign off on the air filter replacement

On SF Full-Feature, brush or blow off the finned surface of the condenser

On SF Full-Feature, clean condensate trap internally

Sign off on the compressor maintenance

Remove the filter cover and filter

Check more frequently if operating in a dusty atmosphere

Replace a dirty or damaged filter by a new one

NOTE! Check pressure drop over Atlas Copco filters every 500 Hours / 3 Month

Sign off on the air filter inspection