Document No. 1112M001 Revision 1.8 Date: June 2013
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7.2 Planned Maintenance Schedule
The following schedule is designed to avoid machine failure.
Component life will be reduced on sites that exhibit high turbulence.
Plan turbine maintenance on the Wind Power Class selected in 7.1.
Wind Power Class
1
2
3
4
5
6
7
First post installation visual check
All sites 1 month after installation
Visual Inspection, listen for abnormal
noise and vibrations.
After extreme weather and
every 4 months
After extreme weather
and every 2 months
Close inspection, check for any loose
bolts, blade damage. Check the
integrity of the pitch control (See tips
below). Check the six rubber boots on
the track rod ends. Check the three
pitch shaft plastic covers. Treat and
touch up any paint defects.
12 monthly intervals
Six monthly intervals
Dismount the machine and check for
transfer brush wear. Check for wear on
pitch control parts. Replace as
required. Treat any corrosion and
touch up paint.
Every 5 years
Every 3 years
Dismount the machine and replace all
bearings (generator, yaw shaft and
pitch control). Access the yaw shaft
electrical brushes and check for wear
and any buildup of dust particles.
Every 8 – 10 years
Every 6 – 8 years
It is important to check the integrity of all the rubber covers on the pitch
control assembly as scheduled above.
OTHER AUXILIARY INSPECTIONS
Inspections should also be done with regard to all other site equipment.
Specific procedures are contained within the relevant user manuals. The
following list illustrates typical topics.
a) Inspection of the tower including all bolts/fasteners ground anchors and
guy wires.
b) Inspection of the Kestrel e400nb tower securing bolts.
c) Check all electrical connections for tightness and corrosion.
d) Functionality and general checks on all other electrical equipment.
