Chapter 8 ___________________________________________________________________ Repair
VAISALA ______________________________________________________________________ 113
10.
Connect the mains filters to the optics frame as shown in Figure
23 on page 112.
11.
Push the grounding wire and internal heater wires through the
plastic supports in the optics frame and connect the grounding
wires to the optics frame. See Figure 22 on page 112.
12.
Connect the internal heater wires according to Figure 21 on page
111 and Figure 23 on page 112.
13.
Install the connector terminal (number 3 in Figure 22 on page
112) to the optics frame.
14.
Re-install the optics CLO311 and the Ceilometer Engine Board
CLE311.
15.
Attach the connector of the electric harness to the CLP311 unit.
Replace the enclosure to its place. Reconnect the data and
blower cables. Reconnect the CT3839 power cable.
16.
Switch the power on with all three switches. Wait until the
Laser on
LED starts blinking at 2-second intervals. Make sure
that all six diagnostic LEDs are lit. Refer to Figure 19 on page
99.
Replacing Laser Monitor Board CLM311
CAUTION
Servicing the equipment must only be performed by qualified
maintenance personnel.
To replace Laser Monitor Board CLM311, you will need a 2.5 mm
Allen-key and a calculator.
Then proceed as follows:
1.
Open the front door of the ceilometer enclosure and switch the
power off with all three switches (F1, F2, and battery). For the
location of the switches, refer to Figure 18 on page 98 and
Figure 19 on page 99.
WARNING
Disconnect the CT3839 power cable before continuing!
