Modifying Antenna Extension Length - KROHNE OPTIWAVE 7300 C Handbook

6.3 Modifying antenna extension length

Modular DN 80 horn antennas may be lengthened or shortened by adding or removing antenna extension
units.
Adjustable pin wrench
Procedure
1. Unscrew M6 socket set locking screw with 3 mm or 1/8" allen (hexagonal) key preventing removal of the
primary extension unit from the main housing assembly.
2. Unscrew the primary extension unit by using an adjustable pin wrench (see illustration above) and two
4.5 mm or 0.17 " sockets provided. The wrench must be adapted to the part diameter (Ø40 mm or 1.6").
Dimensions in mm and inches
Dimensions in mm and inches
An adjustable pin wrench for the part diameters
given below is required for loosening and tightening
the elements.
OPTIWAVE 7300 C
Handbook OPTIWAVE 7300 C
68