Chapter 6 ______________________________________________________________ Maintenance
VAISALA ______________________________________________________________________ 217
1104-112
Figure 124 Securing Screw of LTL112
CAUTION
Handle the module carefully. Do not touch the components on the board
to avoid ESD damage to them. Ground yourself before attempting to
touch the board.
CAUTIO
Do not touch the front window of the LTL112 module. Ensure that this
window is free of damages, fingerprints and dirt!
CAUTION
Do not let the module get wet.
3.
Replace the LTL112, reconnect the cabling, tighten the securing
screw carefully, and secure the cables with a cable tie. Pay
attention not to damage the optical tube of the main transmitter
module while tightening the screw!
4.
The spare LTL112 module is fully adjusted and tested, no
additional adjustments are necessary.
5.
After replacing the LTL112 module, close the measurement unit
carefully. Pay attention to the position of the cover seal.
6.
The repaired measurement unit must be mounted in the same way
as described in section Mounting Transmitter Measurement Unit on
page 114.
7.
Make sure that the enclosure is parallel with the support unit.
8.
Secure the fastening screws of the measurement unit carefully.
9.
Turn on the AC power switch (and also the battery backup switch,
if installed).