Atlas Copco Industrial Cast Iron Piston Compressor CR5TS80V23V1IS

Warning: Switch off the voltage before removing the cover of the switch

Is the air pressure switch pressurized?

Reinstall it after an adjustment has been made and before the voltage is switched on again

Is the cover of the switch reinstalled?

The maximum pressure is controlled by adjusting screw

The pressure difference is adjusted by means of screw

Sign off on the MDR4 Pressure Switch Adjustment

Warning: Always ensure the compressor is turned off and fully depressurized before starting any maintenance tasks.

Check lubricant levels several minutes after stopping

Drain and replace contaminated lubricant

Drain moisture from the receiver tank, drop legs, and air traps

Visually inspect the compressor and safety guards

Check for unusual noise or vibration

Check pressurized components for rust, cracks, or leaks

Sign off on the maintenance tasks

Depressurization and Disconnection

Hose or pipe disconnected from the valve

Compressor Start and Adjustment

Compressor started and run until it stops automatically

Cover removed from the air pressure switch

Adjusting screw turned one turn clockwise

Manually operate the pressure relief valves

Clean cooling surfaces of the intercooler, aftercooler, and compressor

Check for air leaks in the compressor and air distribution system

Sign off on the compressor maintenance

Note: Use a shorter interval in harsh conditions.

Pulley clamp screws or jamnut torqued?

Lubricant completely drained from the crankcase and replaced after initial 100 Hours of operation?

Check the belt tension every 160 Hourly / 1 Monthly.

Sign off on the maintenance procedure