Product Overview

Summary: This Compressor Replacement and Repair Safe Operating Procedure sets out a clear, safe and compliant method for inspecting, isolating, removing, installing and testing air compressors in Australian workplaces. It helps control the significant risks associated with pressurised systems, electrical work and stored energy, while standardising maintenance practices across your site.

Compressors are critical assets in many Australian workplaces, from manufacturing plants and workshops through to construction sites and commercial buildings. When a compressor fails or reaches end of life, replacement and repair activities can expose workers to high-risk hazards including stored pneumatic energy, electrical shock, falls, and contact with hot or moving parts. This Safe Operating Procedure provides a structured, step-by-step approach to planning and carrying out compressor replacement and repair tasks so they are completed safely, efficiently and in line with WHS obligations.

The procedure guides your team through pre-work risk assessment, lockout/tagout (LOTO), depressurisation, disconnection, lifting and handling, installation, recommissioning and verification testing. It embeds best-practice controls such as isolation verification, guarding, safe lifting techniques and clear communication protocols between electrical and mechanical trades. By implementing this SOP, businesses can reduce downtime, avoid costly incidents, demonstrate due diligence to regulators and insurers, and ensure that both in-house and contractor personnel follow the same, consistent method every time a compressor is repaired or replaced.

Key Benefits

• Ensure compressor replacement and repair activities are carried out in accordance with Australian WHS legislation and recognised standards.
• Reduce the likelihood of serious incidents arising from stored pressure release, electrical contact, or uncontrolled movement of heavy equipment.
• Standardise maintenance practices across shifts, sites and contractors, improving reliability and extending compressor service life.
• Streamline planning, isolation, testing and sign-off processes to minimise downtime and rework.
• Demonstrate clear, documented procedures to support audits, incident investigations and contractor management requirements.

Who is this for?

• Maintenance Supervisors
• Mechanical Fitters
• Industrial Electricians
• HVAC Technicians
• Plant and Workshop Managers
• WHS Advisors
• Facilities Managers
• Service Coordinators
• Operations Managers

Hazards Addressed

• Sudden release of stored compressed air or gas during disconnection or repair
• Failure to isolate and lock out energy sources (electrical, pneumatic, hydraulic) before work commences
• Electrical shock, arc flash or electrocution during disconnection or reconnection of power supplies
• Crushing injuries, strains and sprains from manual handling or lifting of heavy compressor units and components
• Contact with hot surfaces, lubricating oils, coolants or other hazardous substances
• Entanglement or impact from moving parts such as belts, pulleys and fans during testing and recommissioning
• Slips, trips and falls around hoses, tools, spillages and uneven surfaces in plant rooms and workshops
• Noise exposure during testing and operation of compressors
• Fire or explosion risk in areas where compressors are used with flammable gases or in poorly ventilated spaces

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and References
• 3.0 Roles and Responsibilities
• 4.0 Applicable Legislation, Standards and Codes of Practice
• 5.0 Competency, Licensing and Training Requirements
• 6.0 Tools, Equipment and Materials
• 7.0 Required Personal Protective Equipment (PPE)
• 8.0 Pre-Work Planning and Risk Assessment (JSA/SWMS)
• 9.0 Lockout/Tagout and Isolation of Energy Sources
• 10.0 Depressurisation and Verification of Zero Energy State
• 11.0 Electrical Disconnection and Verification Procedures
• 12.0 Draining of Oils, Condensate and Other Fluids
• 13.0 Safe Removal and Handling of Existing Compressor
• 14.0 Lifting, Rigging and Transport Controls
• 15.0 Installation of Replacement or Repaired Compressor
• 16.0 Mechanical and Electrical Reconnection
• 17.0 Pre-Start Checks and System Integrity Inspection
• 18.0 Commissioning, Testing and Leak Checks
• 19.0 Noise, Vibration and Performance Verification
• 20.0 Housekeeping, Waste Management and Environmental Controls
• 21.0 Documentation, Handover and Sign-Off
• 22.0 Emergency Procedures and Incident Response
• 23.0 Review, Audit and Continuous Improvement

Legislation & References

• Work Health and Safety Act 2011 (Cth) and corresponding state and territory WHS Acts
• Work Health and Safety Regulations 2011 (Cth) – including provisions for plant and electrical safety
• Safe Work Australia – Code of Practice: Managing the Risk of Plant in the Workplace
• Safe Work Australia – Code of Practice: Managing Electrical Risks in the Workplace
• Safe Work Australia – Code of Practice: Hazardous Manual Tasks
• AS/NZS 1200: Pressure equipment
• AS 3788: Pressure equipment – In-service inspection
• AS/NZS 4836: Safe working on or near low-voltage electrical installations and equipment
• AS/NZS 4024 series: Safety of machinery
• AS/NZS 1891 series: Industrial fall-arrest systems and devices (where work at height is involved)