Chapter 6  ______________________________________________________________ Maintenance 
 
VAISALA _______________________________________________________________________ 89 
Removing PWT11 
To remove the transmitter: 
Use gloves suitable for handling optics.
 
 
1.  Open the four countersunk screws and remove the transmitter cover 
and the gasket. 
2.  Disconnect the control cable connector (2). 
3.  Loosen the set screw (3) to release the transmitter module (5). 
4.  Pull the module out of the transmitter head by prying it from the 
back by a screwdriver. 
5.  Loosen the nylon screw (6) and slide the transmitter board (4) off 
the module (5). 
 
 
  0308-007 
Figure 20  Removing PWT11