DAVIS Weather Monitor II (7440, 7440CS) - Manual (Page 12)

Assembling the Station
Page 8 Weather Monitor II
3. Install the small end of the other drip ring on the WIND CUP END OF THE
ANEMOMETER CONTROL HEAD as shown below. Gently push up the drip ring until it
reaches the groove on the control head.
The wind cup end of the control head has the smaller of the two stainless
steel shafts. When attaching the drip ring, make sure the lower edge of the
ring is aligned with the lower edge of the control head.
S ECURING D RIP R ING ON C ONTROL H EAD
4. After installing the drip ring, reattach the wind vane and wind cups to the
anemometer.
For details, consult your station or anemometer manual.
To Attach the Wind Cups to the Anemometer Arm
1. Push the wind cups onto the smaller of the two stainless steel shafts at the end of the
arm.
2. Slide the wind cups as far up the shaft as possible.
3. Use the allen wrench provided to tighten the set screw on the side of the wind cups.
Note that when you let go of the wind cups, they should drop slightly.
4. Spin the wind cups. If they do not spin freely, loosen the set screw and lower the cups
slightly. Repeat until the wind cups spin freely.
Push cups onto
stainless steel
shaft Tighten set screw
with allen wrench