Preparing Assembly Of Lt31; On-Site Receiver Installation - Vaisala LT31 User Manual

User's Guide ______________________________________________________________________

Preparing Assembly of LT31

92 __________________________________________________________________ M210667EN-C
Vaisala Transmissometer LT31 is delivered in a disassembled state to
protect the parts during transportation.
To assemble and install LT31 on site in the most efficient way, follow
the steps below.
If the instruments parts are already unpacked, transport them carefully to
their installation places. Use some stuffing to protect the parts during
transportation. If possible, use the original transportation boxes for the
transportation of LT31.
When assembling LT31, the following tools are required:
- Screwdrivers, sizes 3, 1.6 x 10
- Crosstip screwdrivers, sizes 1 x 3, 1 x 4
- Wrenches, sizes (40), 24, 20, 18, 17
- Allen key hex-socket, sizes 3, 4, 5
- Flat pliers
- Edge cutter
- Hex-socket drivers
- Laptop with terminal program, VT100 emulation
- Maintenance cable
- Level
- Torque wrench, size 24
- A-ladder
- Cable tabs

On-site Receiver Installation

The foundation of the receiver installation is the place, where the data
cabling for the long distance communication with the host computer is
accessible.
The following parts have to be unpacked and stored for a short time
safely near the installation site.
For the receiver installation, the following parts are needed:
- Receiver mast (type LTR111) including the mounted interface unit
(type LTI211) at the mast base and support unit at the mast top.
- Receiver measurement unit (type LTM212).