Job Purpose:

To perform the inspection, maintenance, troubleshooting, repair, overhaul, testing, and commissioning of hydraulic rock breakers and associated hydraulic systems, ensuring maximum equipment reliability, availability, and safe operation in accordance with Normet specifications and client requirements.

Professional Profile

A highly skilled and safety-conscious Rock Breaker Mechanic with proven experience in maintaining hydraulic rock breakers and associated hydraulic systems in underground or surface mining operations. Competent in diagnosing mechanical and hydraulic faults, carrying out preventative and corrective maintenance, rebuilding hydraulic components, and ensuring equipment operates at optimum performance.

Possesses excellent knowledge of hydraulic circuits, pumps, cylinders, control valves, accumulators, hoses, seals, and lubrication systems. Able to interpret hydraulic schematics, engineering drawings, and Normet service manuals while maintaining strict compliance with safety, quality, and environmental standards.

Minimum Qualifications

• Craft Certificate or Trade Certificate in Mechanical Fitting, Heavy Equipment Repair, or Mechanical Engineering.
• Trade Test Certificate as a Mechanical Fitter or Heavy Equipment Mechanic.
• Grade 12 School Certificate.
• Valid driver’s licence (advantageous).
• First Aid Certificate (advantageous).
• Working at Heights and Confined Space training (advantageous).

Minimum Experience

• Minimum of 3–5 years’ experience maintaining hydraulic rock breakers or heavy hydraulic mining equipment.
• Experience working in underground or surface mining environments.
• Proven experience troubleshooting and repairing hydraulic systems.
• Experience with preventative maintenance programmes and breakdown response.
• Experience using hydraulic testing equipment and precision measuring tools.

Technical Skills

• Maintenance and overhaul of hydraulic rock breakers.
• Hydraulic fault diagnosis and repair.
• Replacement of wear parts, seal kits, hoses, pins, bushes, and tool retainers.
• Charging and testing hydraulic accumulators.
• Reading hydraulic schematics and engineering drawings.
• Inspection and servicing of hydraulic pumps, cylinders, valves, and control systems.
• Safe use of workshop tools, lifting equipment, and diagnostic instruments.
• Accurate completion of maintenance reports and service documentation.

Key Competencies

• Strong troubleshooting and analytical skills.
• High level of mechanical aptitude.
• Commitment to safety and quality.
• Good communication and teamwork skills.
• Ability to work independently with minimal supervision.
• Good planning and organisational skills.
• Attention to detail and commitment to continuous improvement.
• Customer-focused with a proactive approach to equipment reliability.

• Perform the inspection, maintenance, troubleshooting, repair, overhaul, testing, and commissioning of hydraulic rock breakers and associated hydraulic systems.
• Ensure maximum equipment reliability, availability, and safe operation in accordance with Normet specifications and client requirements.
• Diagnose mechanical and hydraulic faults.
• Carry out preventative and corrective maintenance.
• Rebuild hydraulic components.
• Ensure equipment operates at optimum performance.
• Interpret hydraulic schematics, engineering drawings, and Normet service manuals.
• Maintain strict compliance with safety, quality, and environmental standards.
• Perform maintenance and overhaul of hydraulic rock breakers.
• Conduct hydraulic fault diagnosis and repair.
• Replace wear parts, seal kits, hoses, pins, bushes, and tool retainers.
• Charge and test hydraulic accumulators.
• Read hydraulic schematics and engineering drawings.
• Inspect and service hydraulic pumps, cylinders, valves, and control systems.
• Safely use workshop tools, lifting equipment, and diagnostic instruments.
• Accurately complete maintenance reports and service documentation.

• Troubleshooting
• Analytical skills
• Mechanical aptitude
• Safety consciousness
• Quality commitment
• Communication skills
• Teamwork skills
• Ability to work independently
• Planning skills
• Organizational skills
• Attention to detail
• Continuous improvement
• Customer focus
• Proactive approach
• Hydraulic systems knowledge
• Interpreting hydraulic schematics
• Interpreting engineering drawings
• Using workshop tools
• Using lifting equipment
• Using diagnostic instruments
• Completing maintenance reports
• Completing service documentation

• Craft Certificate or Trade Certificate in Mechanical Fitting, Heavy Equipment Repair, or Mechanical Engineering.
• Trade Test Certificate as a Mechanical Fitter or Heavy Equipment Mechanic.
• Grade 12 School Certificate.
• Valid driver’s licence (advantageous).
• First Aid Certificate (advantageous).
• Working at Heights and Confined Space training (advantageous).