Vaisala AWS330, User Manual

Page: 170 / 298

User's Guide ______________________________________________________________________
166 _________________________________________________________________ M211296EN-A
Site Maintenance
Keep the measurement site in good order to ensure reliable
measurements:
- Check that the vegetation surrounding the station does not get too
long/close to equipment. Regular clipping is advised.
- Check that snow does not touch or cover the enclosure and
connectors.
- Avoid disturbing the possible snow cover under the Snow Depth
Sensor IRU-2429 to have representative measurement.
Mast DKP210 Maintenance
Periodic Maintenance
Check the mast yearly for any damage to the coating. Inspect the guy
wires for correct tightness yearly as well. When checking the mast,
perform at least the following maintenance tasks:
- Check the guy wires from fraying.
- Check the guy wire clamps and tighten when necessary.
- Check the sensor support and tighten when necessary.
- Check the hinge bolts and tighten when necessary.
When devices installed on the upper assembly need maintenance, you
need to tilt the mast. See section Tilting the Mast below.
Tilting the Mast
You need to tilt the mast when, for example, devices installed on the
upper assembly need maintenance. The maintenance of the following
sensors and accessories should be carried out when the mast is tilted:
- Ultrasonic Wind Sensor WMT703, as described in section Ultrasonic
Wind Sensor WMT703 Maintenance on page 174
- Mechanical Wind Sensor Set WA15, as described in section
Mechanical Wind Sensor Set WA15 Maintenance on page 184
- Solar Panel SOLAR33, as described in section Solar Panel SOLAR33
Maintenance on page 177
- GSM/GPRS antenna, as described in section GSM/GPRS Antenna on
page 173
The following sections provide instructions on tilting the mast.