3
INSTALLATION
28
OPTIWAVE 7300 C
www.krohne.com
04/2010 - 4000172403 - HB OPTIWAVE 7300 R05 en
If the process connection is smaller than the antenna:
•
Make sure the flange on the nozzle is level.
•
Remove the antenna locking screw from the part below the flange.
•
Remove the antenna from the part below the flange.
•
Align the gasket correctly on the flange facing of the nozzle.
•
Put the device carefully on the tank flange. Do not attach the device flange to the tank yet.
•
Attach the antenna to the device inside the tank. Go to the top of the tank.
•
Lift the device a small distance. Attach the antenna locking screw to the part below the flange.
Tighten the antenna locking screw.
•
Put the device carefully on the tank flange. Tighten the flange bolts.
3.7.2 How to install a device with a threaded connection
Equipment needed:
•
Device
•
Gasket for G 1
½
connection (not supplied)
•
50 mm / 2
¨
wrench (not supplied)
If the process connection is larger than the antenna
•
Make sure the tank connection is level.
•
Make sure that you use the applicable gasket for the connection dimensions and the process.
•
Align the gasket correctly.
•
Lower the antenna carefully into the tank.
•
Turn the threaded connection on the housing to attach the device to the process connection.
•
Tighten the connection.
i
Refer to local rules and regulations for the correct torque to apply to the connection.
WARNING!
If you attach the antenna in a closed space, make sure that there is a good airflow in the area.
Make sure that a person not in the tank can always hear you.
Requirements for threaded connections
Figure 3-15: Threaded connection
HB_OPTIWAVE7300_en_100430_4000172403_R05_D6B.book Page 28 Thursday, May 6, 2010 6:14 PM