DAVIS Vantage Pro2 with Fan/Shield - Manual (Page 6)

Fan-Aspirated Shield Maintenance
6
3. Unscrew the three threaded spacers
holding the solar bracket and radia-
tion shield together.
4. Remove the three screws from the
bottom of the radiation shielding and
separate the shield stack.
Interior Maintenance
Once the shield has been disassembled,
do the following to clean and maintain
the interior of the shield:
• Remove all debris from inside the
shield and wipe the interior surfaces
clean.
• Expose the solar panel to the sun and
check that the fan rotates.
• Replace the fan motor and batteries
as needed (see instructions below).
Once interior maintenance is completed,
reassemble the shield and remount the
ISS.
Replacing Fan Motor and
Batteries
1. Unplug the old motor and lift it from
the Radiation Shield.
2. Install the new motor/fan assembly and
plug its cable into the junction board.
Plates
5-1/2" Screw
Lock Washer
Flat Washer
Threaded
Spacer
Lock Washer
Flat Washer
Stand-offs
Fan Plate
Temp/Humidity
Cable
Power Cable
Closed Cap Plate
Open Cap Plate
(hole in center)
Solar Panel
Bracket
Fan Unit
Motor Connector
Junction Board
Temp/Hum
Sensor Cable
Channel
Fan Plate
Solar Panel Cable
(Connects to Solar Panel,
Panel not shown)