B1300 Service Check Scheme 12 Month

1. Look through fault Register

2. Record 10 min. average value peak effect and reset

3. Check heating elements in controller.

4. Test the RCD for the lights and sockets

5. Damage to cabinet seals

6. Check screws, bolts and nuts

7. Check ribbon cables and multi sockets

8. Check cables eyes in main power connector.

9. Check clamps on auxiliary relays

10. Check varistors and varistor fuses

11. Lighting/emergency lighting in tower and nacelle Replace batteries

12. Check generator cables/ terminals**

13. check phase compensation capacitors for capacitance.

14. Replace cabinet filters in computer boxes

15. Replace UPS battery (3 Years)

16. Check blades for cracks and unusual sounds during operation <br><br>

17. Check for water penetration and cracks in the grouting.<br><br><br>

18. Check foundation, railing and access steps for the tower. <br>

19. check ladders and platforms for defects.<br><br>

20. Check tower for cracks in welds.<br><br>

21. Check welded brackets placed close to the long round seam, where is the bracketed place if welded.<br><br>

22. Check corrosion protection tower<br>

23. Check corrosion protection nacelle cover and nacelle bed plate.<br><br>

24. Check seals nacelle cover <br><br>

25. Check tower/nacelle-Rubber collar f. sealing - lubricate<br><br>

26. Visual inspect of hatches for corrosion damage<br><br>

27. Check the thickness of HS brake pads <br>

28. Check the gap between the HS brake pads and disc.<br>

29. Check for leakage on the brake calliper<br>

30. Check the HS brake disc casting 0.3mm<br>

31. gear oil sample <br>

32. Replace in-line gear oil filter HYDAC 1000<br>

33. Clean the valve filter (bleeding of in-line filter).<br>

34. Replace off-line gear oil fitter Jenson <br>

35. Clean the idle filter <br>

36. replace gear oil 5 years<br><br>

37. replace idle pump valve 5 years<br><br>

38. replace rubber gearbox hoses 5 years<br><br>

39. replace thermoplastic hoses 10 years<br><br>

40. Check gear oil level<br>

41. check gearbox, oil pumps, coolers, filters, fittings and hoses for oil leakage <br>

42. Check for cracks and corrosion in oil cooler <br>

43. clean oil cooler outer fins <br>

44. Check pressure switch for gearbox <br>

45. Check idle pump oil flow on gear<br>

46. Check the gear oil level safety indicator switch<br>

47. Check mechanical HCU<br>

48. check the generator lubrication system <br>

49. replace generator automatic grease cartages and batteries <br>

50. Check generator heater <br>

51. Replace filter element pressure <br>

52. Replace return filter element <br>

53. check for leakage on the hydraulic pump station.<br>

54. check hydraulic oil level <br>

55. Take hydraulic oil sample (On Client Request).<br>

56. replace hydraulic oil 5 Years<br>

57. replace hydraulic hoses 10 Years<br>

58. Check hatch for manhole cover in hub <br>

59. check automatic pitch lock<br>

60. Clean grease from blade bearings. <br>

61. Clean hub<br>

62. replace blade bearing grease cups <br>

63. Centrifugal release VCU, test and lubricated with sterile oil.<br>

64. lubricate rod and axles on pitch cylinder <br>

65. check pitch angle <br>

66. check the lighting protection replace if needed<br>

67. Lubricate the blade bearings <br>

68. check the oil level in the yaw gearbox <br>

69. replace automatic grease cartridge at yaw claws and sliding shoes.<br>

70. check yaw ring and yaw pinion central lubricate system <br>

71. check and test yaw position indicator / cable twisting switch <br>

71. check and test yaw position indicator / cable twisting switch <br>

72. Check of tower wear, seen from underneath the gearbox.<br>

73. clean waste grease from yaw ring around tower <br>

74. check and test wind vane, anemometer/ wind vane stand<br>

75. lubricate with Suvo on all electro-galvanized parts <br>

76. grease yaw sliding shoe.<br>

77. Replace yaw gear box oil. 5 Years<br><br>

78. Check main bearing lubrication system.<br>

79. Replace automatic grease cartridges.<br>

80. Empty and clean grease waste tray.<br>

81. Check carbon deposits on the contact on the lightning connector Main shaft/bed plate <br>

82. grease main bearing <br>

83. Lubricate Labyrinth seals.<br>

84. check stall strips for damage or missing<br>

85. check vortex generators <br>

86. check gurney flaps <br>

87. check Dina tails<br>

88. Check electronic vibration sensor.

89. check TCM vibration module

90. Brake test with grid voltage drop

91. test pressure switch (1)

92. test pressure relief valve (7)

93. test pressure reduction valve (12)

94. test solenoid valves (13) and (16)

95. test accumulator (9)

96. check hydraulic oil level.

97. replace hydraulic oil (2 Years).

98. replace hydraulic filter (2 Years).

99. check for leakages on the system

100. lubricate with Suvo on all electro-galvanized parts

101. test pressure relief valve (10)

102. test pressure transducer (17)

103. check pitch angle reference

104. Calibrate pitch angle reference if required

105. test accumulator (15) on the pitch hydraulic pump station

106. test accumulators blade A

107. test accumulators blade B

108. test accumulators blade C

109. Replace pressure relief valve (101) Blade A every 2 years

110. Replace pressure relief valve (101) Blade B every 2 years

111. Replace pressure relief valve (101) Blade C every 2 years

112. check screws, bolts and nuts

113. tighten fittings

114. clean any loose objects in the hub and inside the control cabinet (A6)

115. lubricate with Suvo on all electro-galvanized parts

116. check for cracks and surface damage on the cables

117. test on/off valve (116) Blade A

118. test on/off valve (116) Blade B

119. test on/off valve (116) Blade C

120. test on/off valve (103) Blade A

121. test on/off valve (103) Blade B

122. test on/off valve (103) Blade C

123. test pressure switch (107) blade A

124. test pressure switch (107) blade B

125. test pressure switch (107) blade C

125. Inspect generator suspension blocks

126. tighten HS brake calliper bracket

127. tighten HS Brake brake disc to gearbox

128. alignment of generator Axial deviation

129. alignment of generator Vertical deviation

130. alignment of generator horizontal deviation

131. alignment of generator vertical parallel deviation

132. alignment of generator horizontal parallel deviation

133. tighten generator to gearbox coupling bolts

134. lubricate with Suvo on all electro-galvanized parts

135. tighten nacelle cover bolts

136. check and tighten the hinges and lock mechanisms on nacelle covers

137. check, test and tighten bolts on service crane

138. tighten main bearing housing bolts

139. tighten bolts on main bearing covers cover

140. tighten and check hub accumulator bolts.

141. tighten bolts on hub/main shaft

142. check and tighten bolts on gearbox suspension feet/nacelle

143. check gearbox suspension end plate.

144. tighten shrink disc element for the main shaft/gearbox

145. check and tighten the yaw gear/motor bolts

146. check bolts in tower section/nacelle

147. Yaw claw and glide shoes

148. tighten yaw claws adjustment bolts

149. tighten platform bolts

150. tighten bolts in tower connection

151. tighten ladder brackets

152. tighten the foundation bolts lubricate with never seez