Methods for Inspecting a Gearbox
• Visual walkaround
• Visual inspection through inspection ports
• Borescope inspection
• Measure temperature ◦ Thermometers
◦ Resistance temperature detector (RTD) probes
◦ Thermography
• Measure oil pressure
• Measure sound and vibration
• Inspect filter elements
• Inspect magnetic debris collectors
• On-site analysis of lubricant
• Laboratory analysis of lubricant
• Magnetic particle inspection of gears
• Dye penetrant inspection of gears
• Documenting gear condition ◦ Written
◦ Sketches
◦ Photography
◦ Contact patterns