Endress+Hauser Micropilot FMR51 - Page 5

Micropilot FMR51, FMR57 Mounting
5
6. Retighten the horn antenna with screws (3) to the antenna socket; Max. torque
3 Nm (2.21 lbf ft).
3.2.2 Antenna extension
1 1
2 2
3 3
9
4
5
6
7 8
A0022796
 2 Mounting horn protection with antenna extension
1 Flat seal
2 Nord-Lock washer
3 Screws, antenna socket
4 Holding ring
5 Contact ring
6 O-ring seal
7 Horn protection
8 Screws, horn protection
4 Antenna extension
1. Loosen the screws (3) on the antenna socket and on the antenna extension. Then
remove the horn antenna.
2. Shift O-ring seal (6), contact ring (5) and holding ring (4) onto the antenna cone.
3. Plug horn protection (7) onto the antenna opening and direct the holes to the holding
ring (4).
4. Tighten the screws (8) crosswise until the horn protection (7) and holding ring (4) are
assembled; Max. torque 1.25 Nm (0.92 lbf ft)
5. Insert flat seal (1) between horn antenna and antenna extension. Likewise between
antenna extension and antenna socket.
6. Retighten the horn antenna with screws (3) to the antenna socket; Max. torque
3 Nm (2.21 lbf ft).