Exploded View

Bearings replacement:
If cups or wind vane not turns at low wind speeds, it is time to replace the head with bearings.
PROCEDURE FOR WIND SPEED HEAD WITH BEARINGS (Figure 8):
Remove the cups by pulling them off the axis (step 1). Unscrew the head with bearings by turning it anticlockwise (step 2). Mount back
the replacement head and reattach the cups.
PROCEDURE FOR WIND DIRECTION HEAD WITH BEARINGS (Figure 9):
Unscrew the screw on the top of the vane holder by turning it anticlockwise and pull out the wind vane (step 1). Unscrew the head with
bearings by turning it anticlockwise (step 2). Mount back the replacement head and reattach the wind vane.
Warning: Please make sure the washer to be greased for proper sealing!
1.
2.
Figure 8. Cups bearings replacement
1.
2.
Figure 9. Wind vane bearings replacement
(wind speed/direction sensor)
TROUBLESHOOTING
Symptom
Action
The receiver/display unit cannot read
the sensor
- check if correct sensor address is set in display unit
- check the sensor battery – replace the battery if needed
- check the operation at a reduced distance to the display/receiver
Interrupting and weak sensor signal
- check for obstructions between sensor and display/receiver unit,
- place the sensor or display/receiver on a different position with better signal reception
- reduce distance to the display/receiver
- change or add an antenna at display/receiver unit
Cups do not turn at low wind speeds
- take off the cups and check bearings
- replace the head with bearings if necessary
FCC INSTRUCTION TO THE USER
IMPORTATN! Changes or modifications not expressly approved by the party responsible for compliance could void the
user’s authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause
harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired
operation.
FCC ID: 2AK8G-NAVIS-WS01
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC
Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radi-ate radio frequency energy and, if not in-stalled and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/ TV technician for help.