Lesson 1Drivetrain—generator: insulation resistance (megger) testing, bearing temperature, vibration, electrical output checksDis one explain generator drivetrain checks, zeroing in on insulation resistance testing, bearing temperature and vibration patterns, electrical output quality, and what good enough mean when you need to clean, tighten, or change 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 analysisDis explain hydraulic system checks, covering reservoir level looks, filter check or change, pressure tests, leak finding, hose condition, and pulling hydraulic oil sample for dirt, water, and wear check.
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 testsDis cover cooling system routines, like cleaning radiator and heat exchanger, coolant level and quality check, hose and clamp strength, and testing fan, pump, and thermostat under normal turbine load.
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 checksDis detail yaw system upkeep, including yaw drive and brake look, gear and bearing grease, encoder and limit switch check, cable loop state, and torque check on key fasteners in yaw setup.
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 hubDis cover rotor and blade checks, with close eye on surfaces, leading and trailing edges, lightning protection flow, bolt torque at hub, and noting defects with pictures and how bad dey be.
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 monitoringDis detail main bearing check, including axial and radial play measure, grease sample and check, temperature and vibration watch, and linking findings to alignment, load, 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 tiesDis describe nacelle inside checks, like frame and cover strength look, cleaning up, cable path and tie hold, vibration sensor fix, and check light, fire detect, 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 verificationDis describe electrical and control cabinet checks, visual look, torque on busbars and terminals, contactor and relay test, SCADA alarm check, and firmware or setup match to current rules.
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 testDis cover braking system upkeep, pad wear measure, hydraulic or air pressure check, accumulator state, brake function test, and note stopping distance and 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 checksDis handle tower and access checks, visual for bend, rust, paint damage, bolt and flange torque check, ladder and platform strong, door and lock work, and ground flow test.
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 verificationDis explain pitch system upkeep, actuator work test, hydraulic or electrical check, backlash and torque sure, position sensor tune, and look at alarms or fault history in 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 analysisDis focus on gearbox health check, oil level and quality test, leak find, breather and filter look, gear tooth eye check, and vibration to spot wear, misalignment, early pit or rub.
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
