User's Guide ______________________________________________________________________
106 _________________________________________________________________ M210482EN-B
cover. Then detach the internal heater connector and holding the
cable aside, gently pull out the optics tube with its upper end
first.
5.
Slide the new optics tube to its place with the bottom end first.
Make sure that no cables get stuck between the optics tube and
other ceilometer components.
6.
Snap the internal heater connector to its place.
7.
Place the optics holder to its place setting the internal heater
cables to their place on the upper left corner of the optics holder.
Tighten the four screws of the optics holder.
8.
Reconnect the battery, transmitter, receiver, laser monitor board,
and data cables to the CLE311 board.
9.
Reattach the measurement unit by placing it inside the shield,
reconnecting the blower cable to connector J1, and tightening
the three attachment screws.
10.
Connect the CT3839 power cable.
11.
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.
The ceilometer unit should now return to normal operation. Verify
that the unit is working properly and that there are no failures with the
system. If failures exist, separate troubleshooting may be necessary.
