Maintenance & repair of screw compressors

Maintenance and repair of screw compressors

Phasis LLP provides professional services for maintenance, diagnostics and repair of screw compressors of various manufacturers. Regular servicing ensures stable equipment operation, reduces energy consumption, prevents costly breakdowns and significantly extends the service life of the compressor unit.

All work is performed in accordance with the manufacturer's recommendations and the maintenance schedule, based on the actual running hours of the equipment.

Maintenance schedule

The maintenance frequency is determined by the number of running hours and the compressor's operating conditions.

Daily maintenance

• Checking the compressor oil level.
• Inspecting the equipment for oil and air leaks.
• Monitoring the operating parameters via the control panel.
• Checking the temperature, pressure and the absence of foreign noise or vibration.
• Visual inspection of the main units and connections.

TO-0 (after the first 500 running hours)

• Replacement of the compressor oil.
• Replacement of the oil filter.
• Checking the airtightness of the system.
• Monitoring the condition of drive elements and electrical connections.

TO-1 (after 1,000–2,000 running hours)

• Replacement of the air filter.
• Replacement of the oil filter.
• Replacement of the compressor oil.
• Checking the condition of the belt or direct drive.
• Monitoring the operation of the valves and the cooling system.

TO-2 (after 3,000–4,000 running hours)

• Replacement of the air filter.
• Replacement of the oil filter.
• Replacement of the oil separator.
• Replacement of the compressor oil.
• Diagnostics of the screw block.
• Checking the cooling system and the airtightness of the connections.

Extended maintenance (after 6,000–8,000 running hours)

• Replacement of the inlet valve repair kit.
• Replacement of the thermostat.
• Replacement of sealing elements.
• Servicing or replacement of the electric motor bearings.
• Comprehensive diagnostics of all mechanical and electrical units.
• Checking the efficiency of the screw block.

Main stages of service maintenance

Phasis LLP specialists perform a full range of maintenance works for compressor equipment.

Replacement of consumables

• Replacement of air filters.
• Replacement of oil filters.
• Replacement of oil separators.
• Replacement of the compressor oil (mineral or synthetic).
• Use of original or manufacturer-recommended consumables.

Cleaning of the cooling system

• Cleaning of radiators and heat exchangers.
• Blowing out the cooling system with compressed air.
• Flushing the heat exchangers in case of heavy contamination.
• Checking the cooling efficiency to prevent equipment overheating.

Checking the electrical part

• Checking and tightening of electrical connections.
• Monitoring the consumed current and the operating voltage.
• Checking the operation of the protective circuit breakers.
• Diagnostics of pressure, temperature and emergency protection sensors.
• Checking the correct operation of the controller.

Checking the mechanical part

• Monitoring the condition of the drive belts and adjusting their tension.
• Checking the direct-drive coupling.
• Checking the inlet, minimum-pressure, non-return and safety valves.
• Monitoring the condition of bearings, connections and fastening elements.
• Checking for the absence of foreign vibration and mechanical wear.

Diagnostics and repair of screw compressors

When malfunctions are identified, Phasis LLP specialists perform comprehensive diagnostics of the equipment followed by elimination of the identified defects.

Repair work performed

• Replacement of air, oil filters and oil separators.
• Replacement of the compressor oil.
• Maintenance and repair of the screw block.
• Repair of the cooling system.
• Replacement of inlet, non-return and safety valves.
• Replacement of belts, couplings and drive elements.
• Repair of the electrical part and the control system.
• Replacement of pressure, temperature sensors and controllers.
• Finding and eliminating air and oil leaks.
• Restoration of the compressor's operability after emergency stops.

Why choose Phasis LLP

Phasis LLP provides a full range of service operations for maintaining compressor equipment for industrial enterprises, production complexes and service shops.

Our advantages

• Qualified service engineers.
• Servicing of compressors from various manufacturers.
• On-site visits by specialists to the customer's facility.
• Use of quality consumables and original spare parts.
• Modern diagnostic equipment.
• Compliance with the manufacturers' schedules.
• Warranty on the work performed and installed components.
• Individual scheduled maintenance programs.

Regular maintenance performed by Phasis LLP specialists minimizes the risk of emergency stops, reduces repair costs, increases the equipment's reliability and ensures its long and uninterrupted operation.