KROHNE OPTIWAVE 7300C EN - Manual (Page 30)

3
INSTALLATION
30
OPTIWAVE 7300 C
www.krohne.com 03/2014 - 4000172405 - HB OPTIWAVE 7300 R07 en
If the antenna is larger than the process connection:
• 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 1½ connection (not supplied)
• 50 mm / 2¨ wrench (not supplied)
If the antenna is smaller than the process connection:
• 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