Vaisala WAV151 - Manual (Page 20)

User's Guide ________________________________________________________
18 _____________________________________________________ M210294en-A
NOTE When placing the lower body assembly, make sure that the
O-ring is correctly positioned between the upper and lower
bodies. It is recommended to replace the O-rings with new
ones before reassembling.
5. Tighten the hexagon nut of the connector (2).
6. Connect the cable plug to the sensor body connector.
Fasten the sensor body on the crossarm with three
screws.
7. Mount the vane assembly onto the sensor body.
Tighten the screw.
CAUTION The heating resistance element cannot be removed without
special tools. To avoid any damages, it is recommended
that replacement of the heating element be carried out by
the manufacturer.
The following numbers refer to Figure 6 on page 19:
1 = Vane assembly
2 = Hex nut of the connector
3 = M6 x 16 DIN7991 (3 pcs)
4 Lower body
5 Spacer (3 pcs)
6 Printed circuit board (PCB)
7 Code disc
8 External retaining ring, body
9 Spacer
10 Internal retaining ring, shaft
11 Ball bearings
12 Shaft and Upper body assembly
13 Ball bearings
14 O-rings, 2 pcs