DAVIS Weather Wizard III - Manual (Page 8)

Assembling the Anemometer
Weather Wizard III Page 7
A SSEMBLING THE A NEMOMETER
To assemble the anemometer you will need the following: anemometer arm
(with cable), anemometer base, wind cups, drip rings, allen wrench, 4-40 x
1 1/8-inch pan head screw, #4 flat washer, #4 lock washer, and 4-40 hex nut.
Avoid lubricating the wind cup shaft and bearings or the wind vane shaft. Nat-
ural or synthetic lubricant affects the normal operation of the anemometer by
reducing the component's efficiency. It also may attract insects which can jam
moving parts.
Note: Do NOT attach the wind vane at this time. Wait until you have installed the anemometer (see
page 11) before attaching wind vane.
To Attach the Anemometer Arm to the Anemometer Base
1. Insert the anemometer arm into the anemometer base, sliding cable through the slot
in the base as shown. Line up the small hole in the arm with the holes in the base.
2. Insert the 4-40 screw into one of the holes in the base and through the arm.
The screw should slide easily through the holes.
3. Secure as shown below.
To Attach the Drip Rings to the Wind Vane and Anemometer Arm
The drip rings provide excellent protection against icing of the wind vane and
wind cups. If you choose not to install them, however, the anemometer will
function normally in non-icy conditions.
1. Apply adhesive liberally to the inside of one of the drip rings and install on the wind
vane as shown below.
Make sure the lower edge of the drip ring is approximately parallel to the bottom
of the wind vane.
4-40 Hex Nut
#4 Lock Washer
#4 Flat Washer
4-40 x 1" Pan Head Screw
Duco Cement
Wind Vane
Drip Ring
Drip Ring Lower edge of inside ring
(approximately parallel
to bottom of wind vane)
A
B
C