Code: I.H4.V10.3003
Installation and Maintenance Manual
Version: 07
42 / 66
Ennera Energy and Mobility, S.L.
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8.3.
Maintenance plan
Although the Windera S has been designed for a service lifetime of 20 years, Ennera Energy and
Mobility recommends Windera S wind turbine be checked on an annual basis to make the
maintenance procedure.
CAUTION – PRIOR TO PERFORMING ROUTINE MAINTENANCE, FOLLOW PROCEDURE
FOR THE PROPER SHUTDOWN OF THE WIND TURBINE
This preventive maintenance procedure consists of:
TASK
DESCRIPTION
QUARTERLY ANNUALLY
From base
Check for smooth running
Listen for any abnormal noises or excessive
vibrations
X
X
Check tower base bolts
M30 bolts
X
X
Lower
wind
turbine
Blade's visual inspection
Especially at the blade root and leading
edge. Absence of cracks
-
X
Clean slip rings
Remove carbon dust
-
X
Check slip rings brushes
Check brushes wear
-
X
Check tightening torque of
bolts
With torque wrench (see section 6.3 for
corresponding torque)
-
X
Tower base bolts [M30]
-
X
Tower flange bolts [M12]
-
X
Tower-yaw bolts [M10]
-
X
Yaw-generator bolts [M10]
-
X
Hub bolt [M16]
-
X
Blade bolts [M10]
-
X
Tail bolts [M8]
-
X
Brake bolts [M6]
-
X
Corrosion
Verify painting status and corrosion
-
X
Check cables connection
Verify connections
-
X
Check covers
Fixing of covers: Yaw cover, front cover
X
Verify converter inside
No water inside converter
-
X
The bearings used are self lubricated so no lubrication process is needed.
In the Annex 4 and 5, the Preventive and Corrective Maintenance Control Forms are attached.
