Chapter 6 _______________________________________________________________ Maintenance
VAISALA _______________________________________________________________________ 153
14. Push the receiver/transmitter module entirely into the housing head.
15. Use the pulling wire to pull the control cable back until the
connector reaches the receiver/transmitter head.
- Assist by pushing the control cable from the center compartment
side.
16. When the control cable connector has reached the head end of the
Visibility Sensor housing tube, start to pull the receiver/transmitter
module slowly out of the head (use the opening tool) and pull the
control cable further.
- Pull the module simultaneously with the control cable until the
module is approximately 50% pulled out and access to the
control cable connector is possible.
17. Remove the pulling wire and re-connect the control cable
connector to the receiver/transmitter module.
- Make sure that the connector is fixed in the locking mechanism
and bend the control cable close to its connector carefully
towards the Visibility Sensor housing tube end inside the head.
18. Push the module carefully and entirely back into the optics head
(use the opening tool).
- Check that there are no wires between the edge and the end of
the transmitter/receiver module.
- Assist the procedure by pulling the control cable from the
central compartment end
19. Remove the opening tool from the receiver/transmitter module and
install the module retainer to secure the receiver/transmitter module
in its final position.
- Insert the retainer carefully so that the thread is not damaged.
- Use a wrench to tighten the retainer hand-tight.
20. Ensure that the O-Ring of the end plug is firmly placed in its
groove as shown in Figure 57 below.
Figure 57
End Plug with O-Ring
