Vaisala LT31 - Figure 72 Measurement Unit Cover Screws; Figure 73 Cutting Transportation Lock

Chapter 4 _______________________________________________________________ Installation
VAISALA ______________________________________________________________________ 115
1. Open the measurement unit carefully. Loosen four hex-socket
screws size 5 and remove the cover with air duct. See Figure 72
below.
0401-083
Figure 72 Measurement Unit Cover Screws
2. Carefully cut the transportation lock (see Figure 73 below) and
remove it from the measurement unit. Do not damage any of the
module cables!
0401-084
Figure 73 Cutting Transportation Lock
3. Finally remove the transportation lock warning sheet and close the
measurement unit carefully. Pay attention about the position of the
cover seal.
4. Place the ladder to the side of the transmitter mast and select the
side where the weather protection hood points left.
5. Loosen the two fastening screws at the side of the measurement
unit flange (hex-socket, size 4). See Figure 74 on page 116.