Atlas Copco Stationary Air Compressor SF 8 Twin

Warning: Stop the compressor before starting the inspection

Note: Check more frequently if operating in a dusty atmosphere

Did you replace a dirty or damaged filter with a new one?

Note: Check pressure drop over Atlas Copco filters every 500 Hours / 3 Month

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

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

Compressor element fan and duct cleaned

Compressor element fins cleaned and seals replaced

Sign off on the maintenance completion

Warning: No adjustments are allowed. Never run the compressor without safety valve

Safety valve operational after unscrewing the knurled cap one or two turns

Safety valve operational after retightening the cap

Sign off on the safety valve operation