Lesson 1Drivetrain—generator: insulation resistance (megger) testing, bearing temperature, vibration, electrical output checksExplain generator drivetrain checks, focusin pon insulation resistance testin, bearin temperature an vibration trends, electrical output quality, an acceptance criteria dat indicate when cleanin, tightenin, or component replacement required.
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 analysisExplain hydraulic system inspections, includin reservoir level checks, filter inspection or replacement, pressure tests, leak detection, hose condition, an hydraulic oil samplin fi cleanliness, water content, an degradation.
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 testsCover coolin system inspection routines, includin radiator an heat exchanger cleanin, coolant level an quality checks, hose an clamp integrity, an verification of fan, pump, an thermostat operation under typical turbine load conditions.
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 checksDetail yaw system maintenance, includin yaw drive an brake inspection, gear an bearin lubrication, encoder an limit switch checks, cable loop condition, an torque verification of key fasteners inna yaw assembly.
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 hubCover rotor an blade inspections, includin close visual checks of surfaces, leadin an trailin edges, lightning protection continuity, bolt torque at di hub, an documentation of defects wid photos an severity 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 monitoringDetail main bearin inspection, includin axial an radial play measurements, lubrication samplin an analysis, temperature an vibration monitorin, an how fi correlate findins wid alignment, load conditions, an early damage indicators.
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 tiesDescribe nacelle interior checks, includin structural inspection of frames an covers, housekeepin, cable routin an tie integrity, vibration sensor mountin, an verification of lightin, fire detection, an safety equipment.
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 verificationDescribe inspection of electrical an control cabinets, includin visual checks, torque verification of busbars an terminals, contactor an relay testin, SCADA alarm review, an firmware or configuration verification against current 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 testCover brakin system maintenance, includin pad wear measurement, hydraulic or pneumatic pressure checks, accumulator condition, functional brake tests, an documentation of stoppin distance an response time against turbine 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 checksAddress tower an access inspections, includin visual checks fi deformation, corrosion, coat damage, bolt an flange torque verification, ladder an platform integrity, door an lock function, an groundin continuity 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 verificationExplain pitch system maintenance, includin actuator operation tests, hydraulic or electrical checks, backlash an torque verification, position sensor calibration, an evaluation of alarms or fault histories inna controller.
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 analysisFocus pon gearbox health checks, includin oil level an quality tests, leak detection, breather an filter inspection, gear tooth visual inspection, an vibration analysis fi detect wear, misalignment, an early stage pittin or scuffin.
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
