Chapter 4 _______________________________________________________________ Installation 
VAISALA ______________________________________________________________________ 101 
 
  1104-099 
Figure 57  Installing LM21 to Mounting Bracket and Attaching 
Connector 
The following numbers refer to Figure 57 above. 
1 = LM21 
2  =  LM21 fastening screws 
3 = mounting bracket 
4  =  connector of LM21 cable 
 
6.  Install the LM21 mounting bracket assembly to the LM21 support 
arm using two fastening screws size M5x25 DIN912 (which are 
part of the delivery) and the fastener assembly according to Figure 
58 on page 102 using a hex socket wrench (size 4). 
 
NOTE 
Ensure that the LM21 cable is not pinched during this procedure.