Code: I.H4.V10.3003
Installation and Maintenance Manual
Version: 07
35 / 66
Ennera Energy and Mobility, S.L.
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6.
SCREW KITS
For the screws that are tightened in steel material, use a liquid medium strength threadlocker
(as Loctite 243). For screws in aluminium material (with or without Helicoil), do not use threadlocker.
Do not use high strength threadlocker in parts that may need to be removed for maintenance.
6.1.
Tower assembly kit
Component
Quality Quantity Connection
Tightening
torque
DIN 912 M12x50 Allen screw A4-80
8
Tower flange
90 Nm
DIN 127 M12 Grower washer
A4
8
Tower flange
-
DIN 125 M12 Plain washer
A4
16
Tower flange
-
DIN 934 M12 Nut
A4
8
Tower flange
-
6.2.
Wind turbine assembly kit
ROTOR
Component
Quality Quantity Connection
Tightening
torque
DIN 912 M10x55 Allen screw
A4-80
15
Blade-hub + yaw-generator
50 Nm
DIN 934 M10 Nut
A4
15
Blade-hub
-
DIN 125 M10 Plain washer
A4
15
Blade-hub
-
DIN 9021 M10 Wide plain washer
A4
15
Blade-hub + yaw-generator
-
DIN 127 M10 Grower washer
A4
15
Blade-hub + yaw-generator
-
DIN 960 M16x1.5x100 Hexagonal screw
12.9
Dacromet
1
Hub-generator
200 Nm
DIN 125 M16 Plain washer
A4
1
Hub-generator
-
DIN 127 M16 Grower washer
A4
1
Hub-generator
-
DIN 7991 M5x15 Countersunk allen screw
A4-70
3
Cone-hub
-
WIND TURBINE
Component
Quality Quantity Connection
Tightening
torque
DIN 912 M10x55 Allen screw
A4-80
10
Yaw-generator
50 Nm
DIN 9021 M10 Wide plain washer
A4
10
Yaw-generator
-
DIN 127 M10 Grower washer
A4
10
Yaw-generator
-
DIN 7991 M10x25 Countersunk allen screw
A4-80
8
Yaw-tower
30 Nm
DIN 912 M6x15 Allen screw
A4-70
4
Yaw cover-generator
-
DIN 7991 M4x16 Countersunk allen screw
A4-70
2
Yaw cover
-
DIN 7991 M8x40 Countersunk allen screw
A4-70
6
Tail-generator
-