CLK_10500029083_V02_WALK-DOWN-INSPECTION-ON-G8X, G9x-DTC-MACHINES

Title Page

TECHNICIANS
TECHNICIAN 1
TECHNICIAN 2
CLIENT
WIND FARM
MACHINE
DATE
REGISTER Nº

SAFETY DOCUMENTATION (ITBs)

ITB_10500026361_XX_00-00-SAFE ACCESS TO GROUND PLATFORM
ITB_10500026362_XX_00-01-STOPPAGE AND START UP OF THE TURBINE
ITB_10500026363_XX_00-02-DISCONNECTION AND CONNECTION OF COMMUNICATION WITH CONTROL CENTER
ITB_10500026364_XX_00-03-SIGNS AND DEMARCATION OF THE AREA
ITB_10500026365_XX_00-04-ACCESS AND STAY IN THE TOWER
ITB_10500026366_XX_00-05-ACCESS AND STAY IN THE NACELLE
ITB_10500026367_XX_00-06-LOCK AND UNLOCK THE ROTOR
ITB_10500026368_XX_00-07-BLADES EARTHING
ITB_10500026369_XX_00-08-SAFE ACCESS TO THE HUB
ITB_10500026370_XX_00-09-SAFE ACCESS TO THE NACELLE ROOF
ITB_10500026371_XX_00-10-APPLY AND RELAX MECHANICAL BRAKE
ITB_10500026372_XX_00-11-DEPRESSURIZATION AND PRESSURIZATION HYDRAULIC UNIT
ITB_10500026373_XX_00-12-BLOCKING AND UNLOCKING OF BLADES
ITB_10500026374_XX_00-13-DISCONNECTION AND CONNECTION OF ELECTRICAL CABINETS
ITB_10500026375_XX_00-14-DISCONNECTION AND CONNECTION OF HIGH VOLTAGE CABINET
ITB_10500026376_XX_00-15-SAFE ACCESS TO THE TRANSFORMER COMPARTMENT
ITB_10500026377_XX_00-16-LIFTING OF LOADS

METHOD STATEMENTS

MS_10500035720 CONNECT THE PC TO THE CONVERTER MODULES
MS_10500035721 CHECKING THE GSC INVERTER AND MSC INVERTERS AT ABB CONVERTER
MS_10500035722 CHECKING AND TESTING THE CROWBAR
MS_10500035723 CHECKING THE CHOPPER OPERATION

START SECTION 1 AND INSPECTION

BOTH TECNICIANS
AUDITIVE INSPECTION OF THE BLADES
VISUAL INSPECTION OF THE BLADES
TECHNICIAN 1
VISUAL INSPECTION OF THE FASTENING ELEMENTES OF THE DOOR, HINGES, AND STATUS OF THE DOOR
VISUAL INSPECTION OF THE DOOR SAFETY SINGS AND TOWER NUMBER
VISUAL INSPECTION OF THE ACCESS LADDER
VISUAL INSPECTION OF THE BOLTED JOINT FOUNDATION FIRST SECTION (OUTSIDE) (TORQUE MARKS, AND STATUS)
VISUAL INSPECTION OF THE FALGE OF FIRST SECTION WITH THE FUNDATION (OUTSIDE)
VISUAL INSPECTION OF THE FUNDATION LOOKING FOR CRACKS
CHECK IF THE DOOR FILTERS ARE INSTALLED AND IN GOOD CONDITION
CHECK THE ESTATUS OF THE DOOR CLOSING DEVICE
VISUAL INSPECTION OF THE DOOR FRAME (RUST, PAIN DEFECTS, SEALING RUBBER, ETC)
CHECK THE STATUS OF STATUS OF THE GROUND CABINET (EXTERNAL)
CHECK THE STATUS OF THE GROUND CABINET (INTERNAL), CABLES, COVERS, ELEMENTS
CHECK THE SAFETY LINE INSPECTION DATE
CHECK THE INSPECTION DATE OF THE ELEVATOR, AND IF IT IS IN SERVICE
VISUAL INSPECTION OF THE SAFETY STICKERS AT GROUND PLATFORM

END SECTION 1, START SECTION 2

TECHNICIAN 2
VISUAL INSPECTION OF THE YAW DECK (OIL, GREASE,…)
VISUAL INSPECTION OF THE SAFETY STICKERS
VISUAL INSPECTION OF YAW DECK TRAPDOOR
VISUAL INSPECTION OF THE LIGHT AND SOCKET
VISUAL INSPECTION OF LEAKS OF THE YAW ACTIVE CLAMPS AND ITS ELEMENTS
INFO: YAW CIRCUIT
VISUAL INSPECTION OF THE GEARBOX BODY LOOKING FOR DAMAGES OR OIL LEAKS
VISUAL INSPECTION OF THE BOLTED JOINT TOWER-NACELLE (TORQUE MARKS AND CONDITION)
VISUAL INSPECTION OF THE BOLTED JOINT YAW CLAMPS-NACELLE (TORQUE MARKS AND CONDITIONS)
VISUAL INSPECTION OF THE CAST FRAME
SERIAL NUMBER
VISUAL INSPECTION OF THE NACELLE ACCESS LADDER
VISUAL INSPECTION OF GEARBOX OIL LEVEL
VISUAL INSPECTION OF LEAKS FROM THE YAW GEARS
CHECK THE EXTINGUISHER INSPECTION DATE AND HOLDER AT THE NACELLE
VISUAL INSPECTION OF THE EMERGENCY DESCENDER ANCHOR POINT (WEAR, RUST, ETC)
VISUAL INSPECTION OF THE HOIST HOOK
CHECK THE OPERATION OF THE HOIST (UP, DOWN, EMERGENCY BUTTOM, AND END SWITCHES)
VISUAL INSPECTION OF THE CHAIN STATUS
VISUAL INSPECTION OF THE FASTENING ELEMENTS OF THE CRANE ( TORQUE MARKS, BOLTD LOCKERS, ETC)
VISUAL INSPECTION OF THE REAR TRAP DOOR (FASTENING ELEMENTS, LOCKING ELEMENTS, FALL PROTECTION CHAIN)

END SECTION 2, START SECTION 3 (LOCK THE ROTOR)

BOTH TECHNICIANS
AUDITORY INSPECTION OF THE GEARBOX, GENERATOR AND MAIN SHAFT BEARINS
INFO: RUN THE GENERATOR SPEED TEST , SET AT 500 RPM, AND LISTEN THE NOISE OF THE GEARBOX GEARS AND BEARINGS, MAIN SHAFT BEARINGS, GENERATOR BEARINGS. NOTE ANY ANORMAL NOISE.
TECHNICIAN 1
VISUAL INSPECTION FOR LEAKS AND GENERAL STATUS OF THE ROTOR LOCKING SYSTEM (PUMP, PIPES, CONNECTIONS..)
INFO: LOCKING SYSTEM DEVICE AND CIRCUIT.
CHECK THE TORQUE MARKS OF THE BOLTED JOINT MAIN SHAFT (RUST, DEFECTS OR MISSING BOLTS)
CHECK THE TORQUE MARKS OF THE BOLTED JOINT MAIN SHAFT HUB (RUST, DEFECTS OR MISSING BOLTS)
CHECK FOR SURFACE DEFECTS AT MAIN SHAFT (RUST, PAINT DEFECTS,…)
CHECK FOR LEAKS AT MAIN SHAFT BEARINGS
VISUAL INSPECTION OF BEARING BLADES DUST SEALS
VISUAL INSPECTION OF THE REAR SUPPORTS OF THE HUB CONE
TECHNICIAN 2
CHECK THE HYDRAULIC HOSES IN THE NACELLE FOR LEAKS, CRACKS OR BUBBLES.
INFO: HYDRAULIC CIRCUIT AT NACELLE
CHECK FOR LEAKS AT HYDRAULIC UNIT STATION AND ANY OTHER DEFECTS AT THE H.U. STATION (CABLES, CONNECTORS OF EV, RUST,...)
CHECK THE STATUS OF THE G.B COOLING SYSTEM (LEAKS IN HOSES, LEAK IN MECHANICAL PUMP, HOSES CONDITION…)
INFO: G.B. COOLING SYSTEM
VISUAL INSPECTION OF THE STATUS OF THE OFF LINE FILTER, ITS MOTOR, CABLES AND HOSES
INFO: G.B. OFFLINE FILTER
CHECK THE TORQUE MARKS OF THE GEARBOX REACTION ARMS
VISUAL INSPECTION OF THE CONDITION OF THE G.B. BODY (RUST, CRACKS, PAINT DEFECTS, ETC)
VISUAL INSPECTION OF THE CONDITION OF THE GENERATOR BODY (RUST, CRACKS, PAINT DEFECTS, ETC)
CHECK THE TORQUE MARKS OF THE GENERATOR LEGS
CHECK THE TORQUE MARKS OF THE GENERATOR GROUNDING CONNECTION
CHECK THE STATUS OF THE GENERATOR STATOR CABLES, TRAYS AND ENTRANCE TO THE CABINET
CHECK THE STATUS OF THE GENERATOR REFRIGERATION COOLER DRAWER EXHAUST
CHECK THE EXTERNAL ESTATUS OF THE NACELLE CABINETS (HANDLES, FILTER COVERS, SEALING RUBBERS, CLOSING DEVICE)
CHECK THE INTERNAL STATUS OF THE NACELLE CABINETS (COVER TRAYS, CABLE TRAYS, CABLES, MODULES, ETC.)
CHECK CABINETS REVISION (CONVERTER AND TOP)

END SECTION 3, START SECTION 4 (ROTOR LOCK AND BLADE LOCK AT 86º. ROTOR TURN IS REQUIRED)

TECHNICIAN 1
CHECK THE TORQUE MARKS AT THE BOLTED JOINT BETWEEN BEARING AND HUB
CHECK THE TORQUE MARKS AT THE BOLTED JOINT RING CONE SUPPORT AND HUB
CHECK THE STATUS OF THE RING CONE SUPPORT AND ITS FASTTENERS TO THE CONE
CHECK THE STATUS OF THE HUB ELECTRICAL CABINET SUPPORTS AND SILENT BLOCKS
CHECKT THE STATUS OF EXTERIOR CONDITION AND FILTERS OF THE HUB CABINET
CHECK THE OPERATION OF THE HUB LIGHT (MISSING, DAMAGE, OIL INSIDE, ETC
CHECK LOCKER DEVICE AT HUB CABINET DOOR OPERATION
CHECK INTERNAL LIGHT OF HUB CABINET OPERATION
VISUAL INSPECTION OF THE INTERNAL ELEMENTS OF THE HUB CABINET (CABLES, TRAYS, COVERS, ETC)
VISUAL INSPECTION OF THE HUB CABLE TRAY AND THE INLET OF THE CABLES, AND CABLE GLANDS OF THE HUB CABINET
VISUAL INSPECTION FOR LEAKS AT PICHT MANIFOLD BLOCKS AND VALVES
VISUAL INSPECTION ROUTING PITCH CABLES
VISUAL INSPECTION OF THE STATUS OF THE HOSES AND THEIR CONNECTIONS WITH THE MANIFOLD BLOCKS
VISUAL INSPECTION FOR OIL AND GREASE LEAKS OVER THE CONE
VISUAL INSPECTION FOR RUST IN THE PITCH CILINDERS REAR SUPPORTS
VISUAL INSPECTION OF THE HUB INNER CONDITION (OIL, GREASE, LOOSE PARTS, PARTS MISSING…)
VISUAL INSPECTION OF THE ACCUMULATOR FASTENERS
INFO: CHECK THE TORQUE MARKS OF THE SUPPORTS AND CLAMPS
TECHNICIAN 2
VISUAL INSPECTION OF YAW CROWN AND YAW GEAR PINIONS
INFO: TURN THE YAW BY MEANS THE YAW MANUAL TEST. THIS INSPECTIONS MUST BE DONE IN AS MANY STEPS AS NECESSARY, APPLYING THE ISOLATIONS BEFORE TO ACCESS TO THE YAW CROWN
FUNCTIONAL TEST OF THE YAW (NOISES. MOTOR CONSUPTION)
INFO: RUN THE YAW MANUAL TEST, TURN FIRST TO CW AND LATER CWW, CHECK THE CONSUMPTIONS DOWNSTEEN THE KM180x AND 181x CONTACTORS OR TERMINALS X5: U, V, W (1 TO 4)
M180A
M180B
M181A
M181B
FUNCTIONAL TES OF THE GEARBOX ELECTRICAL PUMP (NOISE, MOTOR CONSUMPTION)
GEARBOX OFFLINE PUMP FUNCTIONAL TEST
INFO: RUN THE OFFLINE PUMP TEST AND CHECK THE NOISE AND IT FUNCTION.
M480: ESTATUS, NOISE AND HOSES.
HYDRAULIC UNIT PUMP FUNCTIONAL TEST (NOISE, MOTOR CONSUMPTION)
INFO: RUN THE PUMP IN AUTO MODE AND CHECK THE CONSUMPTION DOWNSTEEN THE KM280 OR TERMINAL BLOCK X5: U5, V5, W5.
M280 CONSUMPTION AND NOISE TYPE THE CONSUMPTION IN NOTES
GEARBOX COOLING FANS FUNCTIONAL TEST (NOISE, MOTOR CONSUMPTION)
INFO: RUN THE G.B. COOLING FANS TEST, CHECK THE CONSUMPTION IN THE CONTACTORS OR IN THE TERMINAL BLOCKS AS INDICATE IN THE SCHEMATICS. TYPE THE CONSUMPTION IN NOTES OF MOTOR
M380 CONSUMPTION
M381 CONSUMPTION
M382 CONSUMPTION
H.U. COOLING PUMP FUNCTIONAL TEST (NOISE , MOTOR CONSUMPTION)
INFO: RUN THE H.U. COOLING TEST , CHECK THE CONSUMPTION DOWNSTEEN THE KM 281 OR IN THE TERMINAL BLOCKS X5: U19, V19, W19
M281 CONSUMPTION
GEARBOX OIL HEATING FUNCTIONAL TEST (CONSUMPTION)
INFO: RUN THE GB OIL HEATING TEST AND CHECK THE CONSUMPTION DOWNSTEEN KM 499 OR IN THE TERMINAL BLOCK X5: U10, V10, W10
KM 499 CONSUMPTION
GENERATOR MOTOR FANS FUNCTIONAL TEST (NOISE, MOTOR CONSUMPTION)
CHECK THE CONSUMPTIONS ON THE TCC REAR CABINET TERMINAL BLOCK X5 AS INDICATE THE FOLLOWING SCHEMATIC
M583 LOW (TYPE CONSUMPTION ON NOTES)
M583 HIGH (TYPE CONSUMPTION ON NOTES)
M584 LOW (TYPE CONSUMPTION ON NOTES)
M584 HIGH (TYPE CONSUMPTION ON NOTES)
M585 LOW (TYPE CONSUMPTION ON NOTES)
M585 HIGH (TYPE CONSUMPTION ON NOTES)
SLIP RING GENERATOR FAN FUNCTIONAL TEST (NOISE AND CONSUMPTION)
MEASURE THE CONSUMPTION DOWNSTREEN THE KM590 OR WIRES OF THE CABLE WA590
M591 CONSUMPTION AND NOISE
TRANSFORMER COOLING FANS FUNCTIONAL TEST (NOISE AND CONSUMPTION)
CHECK THE CONSUMPTION AT TERMINAL BLOCK X4-4A OR X4-4B
M61x MOTORS CONSUMPTION
NACELLE COOLING FANS (HTK) FUNCTIONAL TEST (NOISE, MOTOR CONSUMPTION) IF APPLY
WAAT 52-1
WAAT 52-2
WAAT 52-3
WAAT 52-4
FUNCTIONAL TEST OF THE HTK ACTUATOR (CHECK THE GATES OPERATION) IS WARNING, THE SYSTEM IS FAULT, IF APPLY
AT101
AT102
FUNCTIONAL TEST OF THE LTK FANS (CHECK THE GATES OPERATION) NOTE IT IF WARNING APPEARS
BT 408
BT 409
BT 410
FUNCTIONAL TEST OF THE LTK HEATERS, CONSUPTION OF THE HEATER AND FUNCTION OF THE FAN, FASTENERS, IF APPLY
BT 401
BT 402
BT 403
BT 404
BOTH TECHNICIANS
FUNCTIONAL TEST OF THE HUB LTK ACCUMULATOR BLANKETS (CONSUMPTION) IF APPLY
FD 249
CHECK FOR CLEARANCE IN THE PITCH SYSTEM: BALL JOINTS AND PITCH SUPPORTS
CHECKING THE BALL JOINTS
BALL JOINT PITCH A
BALL JOINT PITCH B
BALL JOINT PITCH C
CHECKING THE SLIDE BUSHINGS
INFO
SUPPORT PITCH A
SUPPORT PITCH B
SUPPORT PITCH C
FUNTIONAL TES OF PITCH SYSTEM, EXECUTE SINE TEST (BLADE MOVEMENT, NOISE, ETC)

END SECTION 4, START SECTION 5 (ROTOR LOCK, FF005, FM014, FG590 AND FG008)

TECHNICIAN 1
INDICATE THE GENERAL CONDITION OF THE ROTOR CONNECTION BOX
CHECK THE SLIP RING GENERATOR CONDITION (RUST, CLEANNESS, ETC)
CHECK THE CONDITION OF THE ROTOR BUS-BARRS
CHECK THE STATUS OF THE RIGIDIZED BARS
CHECK THE STATUS OF THE BRUSH HOLDERS AND THEIR SPRINGS
CHECK THE CONDITION OF THE ROTOR CABLES INSIDE THE ROTOR BOX AND THEIR BOLTED JOINT
CHECK THE CONDITION OF THE ROTOR BRUSHES
MEASURE THE SIZE OF THE BRUSHES, THE SMOLLER ONES
TECHNICIAN 2
CHECK THE STATUS OF THE HSS COVERS AND THEIR FASTENING
CHECK THE CONDITION OF THE HIGHT SPEED SHAFT (TORQUE MARKS, RUST, COVERS, REFERENCE MARK, ETC)
INDICATE THE MODEL
INFO
CHECK FOR LEAKS IN THE BRAKE SYSTEM
INFO
LEAKS FROM CALLIPERS, INDICATE WHICH ONE
CHECK THE STATUS OF THE BREAK DISK (RUST, OILED, CRACKS...)
CHECK FOR LEAKS IN THE PIPES AND CONNECTION TO THE CALLIPERS
INFO
INDICATE WHERE IS LEAKING FROM

END SECTION 5, START SECTION 6 (REMOVE, FM014, FG590, FF005)

TECHNICIANS 1 AND 2
VISUAL INSPECTION OF THE CONVERTER SLIDING CABINET AND ITS ELEMENTS
OPEN THE FG008 DOOR AND VISUAL CHECK OF THE STATTUS, NOTE THE Nº OF OPERATIONS OF THE FG008
OPEN THE FG002 DOOR AND VISUAL CHECK OF THE CONDITIONS (CABLES TRAYS, COVERS, CABLES, BREAKERS, ETC)
PERFOM THE MS_10500035721 TEST
CHECK THE OPERATION OF THE CONVERTER FANS, MS_10500035721 (VISUAL STATUS AND FUNCTION, NOISE, RUST)
TAKE THE SERIAL NUMBERS OF THE POWER STACK CONVERTER MODULES
ISU
LCL
INU 1
INU 2
CROWBAR
CHOPPER IF APPLY
SERIAL NUMBER
PERFORM MS_10500035722 TEST
PERFORM MS_10500035723 TEST IF INSTALLED
VISUAL INSPECTION OF THE CONVERTER BUS BARS
CHECK THE FIRMWARE VERSIONS
RDCU PARAMETER 04.01
RDCU PARAMETER 04.02
RDCU PARAMETER 04.03
NDCU PARAMETER 04.01
NDCU PAREMTER 04.02
NDCU PARAMETER 04.03
FAULT LOGGER BACK UP USING MS_10500035721 TEST, UPLOAD THE FILE

END SECTION 6, START SECTION 7 (REMOVE FG008, COLLECT THE TOOLS AND START LIFTING DOWN)

TECHNICIAN 1 TASK
COLLECT TOOLS, CLEAN, REMOVE ANY POI, COMPLETE THE WOC AND LIFT DOWN MATERIALS
TECHNICIAN 2 TASK
VISUAL INSPECTION AT ELEVATOR YAW PLATFORM ACCESS LADDER AND LIGHTS
VISUAL INSPECTION OF TE CONDITION AT ELEVATOR DECK (OIL, DIRT, DEFORMATION, ETC)
VISUAL INSPECTION OF THE STATUS OF THE CABLE PROTECTIONS
VISUAL INSPECTION OF THE ELEVATOR BARRIERS AND LOCKING DEVICES AT THE ELEVATOR DECK
CHECK THE SAFETY LINE INSPECTION DATE
CHECK THE STATUS OF THE SAFETY STICKERS
CHECK THE STATUS OF THE ELEVATOR DECK TRAPDOOR (DAMAGE AND SAFETY STICKER)
VISUAL INSPECTION OF THE CABLE LOOP AND BALCONY
VISUAL INSPECTION OF THE PLATFORM S2 S3 (OIL, DAMAGE, SEALING RUBER, ETC)
VISUAL INSPECTION OF TORQUE MARKS BOLTED JOINT S2S3
VISUAL INSPECTION OF THE FLANGE S3S2 CONDITION (RUST, OIL, PAINT DEFECTS)
VISUAL INSPECTION OF THE SECTION 3 SAFETY STICKERS
VISUAL INSPECTION OF THE CONDITION OF THE ELEVATOR BARRIEERS AT S2 PLATFORM
VISUAL INSPECTION OF THE STATUS OF THE S3 TOWER LIGHT
VISUAL INSPECTION OF THE GROUNDING CABLE CONNECTIONS (TORQUE MARKS)
VISUAL INSPECTION OF EARTHING WIRES BETWEEN S3S2
VISUAL INSPECTION OF THE PLATFORM SECTION 1 SECTION 2 (OIL, DAMAGE, SEALING RUBER, ETC)
VISUAL INSPECTION OF TORQUE MARKS BOLTED JOINT S1S2
VISUAL INSPECTION OF THE FLANGE S2S1 CONDITION (RUST, OIL, PAINT DEFECTS)
VISUAL INSPECTION OF THE SECTION 2 SAFETY STICKERS
VISUAL INSPECTION OF THE CONDITION OF THE ELEVATOR BARRIERS AT S1 PLATFORM
VISUAL INSPECTION OF THE GROUNDING CABLE CONNECTIONS (TORQUE MARKS)
VISUAL INSPECTION OF GROUNDING CABLES BETWEEN S2S1
VISUAL INSPECTION OF THE STATUS OF THE S2 TOWER LIGHT
VISUAL INSPECTION OF THE INNER FLANGE S1 TO FUNDATION (OIL, RUST, DIRT)
VISUAL INSPECTION OF THE INNER BOLTS TORQUE MARKS AND BOLTS CONDITIONS
VISUAL INSPECTION OF THE FUNDATION GROUNDING CABLES
VISUAL INSPECTION OF THE INNER FUNDATION (OIL, CLEANERESS, WATER, MATERIAL, ETC)