Lesson 1Drivetrain—generator: insulation resistance (megger) testing, bearing temperature, vibration, electrical output checksCovers generator drivetrain checks, focusing on insulation resistance tests, bearing temp and vibration patterns, electrical output quality, and standards showing when to clean, tighten, or swap parts.
Insulation resistance (megger) test procedureGenerator bearing temperature limitsVibration measurement points and alarmsVoltage, current, and power quality checksInterpreting generator test resultsLesson 2Hydraulic systems: reservoir level, filter inspection/replacement, pressure tests, leak detection and hydraulic oil analysisCovers hydraulic system checks, like reservoir levels, filter looks or swaps, pressure tests, leak spots, hose state, and oil samples for dirt, water, and wear checks.
Reservoir level and sight glass inspectionFilter differential pressure and changeoutSystem pressure and relief valve testsHose, fitting, and cylinder leak checksHydraulic oil sampling and lab analysisLesson 3Cooling systems: radiator/heat exchanger cleaning, coolant level and quality checks, fan and thermostat operation testsCovers cooling system routines, including radiator and heat exchanger cleans, coolant levels and quality, hose and clamp checks, and tests for fans, pumps, and thermostats under normal loads.
Radiator and heat exchanger cleaning stepsCoolant level, quality, and freeze point checksFan, pump, and thermostat functional testsHose, clamp, and fitting leak inspectionRecording cooling system measurementsLesson 4Yaw system: yaw drive gear and brake inspection, encoder and limit switch checks, lubrication and torque checksDetails yaw system upkeep, like yaw drive and brake looks, gear and bearing lube, encoder and limit switch checks, cable loop state, and torque on key yaw fasteners.
Yaw gear, pinion, and bearing inspectionYaw brake pad, disc, and clearance checksLubrication of yaw gears and bearingsEncoder and limit switch functional testsTorque checks on yaw fastenersLesson 5Rotor and blades: visual blade surface inspection, leading/trailing edge checks, lightning protection continuity, bolt torque at hubCovers rotor and blade checks, with close visual looks at surfaces, leading and trailing edges, lightning protection continuity, hub bolt torque, and noting defects with pics and ratings.
Blade surface and laminate visual checksLeading and trailing edge damage checksLightning protection continuity testingHub and blade bolt torque verificationBlade defect classification and reportingLesson 6Drivetrain—main bearing: axial/radial play checks, lubrication sampling, temperature and vibration monitoringDetails main bearing checks, like axial and radial play measures, lube samples and analysis, temp and vibration tracking, and linking findings to alignment, loads, and early damage signs.
Axial and radial play measurement methodsGrease sampling and contamination checksMain bearing temperature monitoringVibration signatures of bearing defectsCriteria for main bearing maintenanceLesson 7Nacelle interior general: structural inspections, housekeeping, vibration sensor mounts, cable routing and tiesDescribes nacelle inside checks, like frame and cover structure looks, cleaning up, cable paths and ties, vibration sensor fits, and checks on lights, fire alarms, and safety gear.
Main frame and cover structural inspectionHousekeeping, spills, and debris removalCable routing, clamping, and strain reliefVibration sensor mount and wiring checksNacelle lighting and safety devicesLesson 8Electrical and control cabinets: visual inspection, busbar torque checks, contactor and relay function tests, SCADA alarms review, firmware/configuration verificationDescribes checks on electrical and control cabinets, with visual looks, torque on busbars and terminals, contactor and relay tests, SCADA alarm reviews, and firmware/config checks against standards.
Cabinet cleanliness and visual damage checksBusbar and terminal torque verificationContactor, relay, and breaker function testsSCADA alarms and event log reviewFirmware and configuration validationLesson 9Braking system: brake pad wear measurement, brake hydraulic/pneumatic pressure checks, functional brake testCovers brake system upkeep, like pad wear measures, hydraulic or air pressure checks, accumulator state, brake function tests, and noting stop distances and response times against limits.
Brake pad wear and rotor surface checksHydraulic or pneumatic pressure testsAccumulator pre‑charge and leak checksEmergency and service brake function testsRecording brake performance resultsLesson 10Tower and access: visual inspection points, corrosion checks, bolts and torque verification, door/lock and grounding checksCovers tower and access checks, like visual looks for bends, rust, coating damage, bolt and flange torque, ladder and platform strength, door and lock works, and earthing tests.
Tower shell and weld visual inspectionCorrosion, coating, and touch‑up actionsFlange bolt torque and tension checksLadders, platforms, and fall arrest checksGrounding and bonding continuity testsLesson 11Pitch system: actuator operation tests, hydraulic/electrical checks, backlash and torque checks, position sensor verificationCovers pitch system upkeep, like actuator tests, hydraulic or electrical checks, backlash and torque verifies, position sensor calibrations, and alarm or fault history reviews.
Pitch actuator stroke and speed testsHydraulic or electrical supply checksBacklash, play, and torque verificationPitch position sensor calibration checksPitch fault and alarm history reviewLesson 12Drivetrain—gearbox: oil level and quality tests (viscosity, particle count), leak detection, gear tooth inspection and vibration analysisFocuses on gearbox health checks, like oil levels and quality tests, leak spots, breather and filter looks, gear tooth visuals, and vibration analysis for wear, misalignment, and early pitting.
Oil level checks and top‑up proceduresOil sampling, viscosity, and particle countsLeak paths, seals, and breather inspectionGear tooth surface and contact pattern checksGearbox vibration trend evaluation
