Antenna Unit For X-Band, Tr-Down Radar - Furuno FAR-2228 Installation Manual

2. WIRING
9. Apply the supplied adhesive to the threads of the cable glands, and then fasten it
tightly with the hook spanner.
Note: Use the wrench of the correct size referring to cable gland size below. If you
do not have the hook spanner, contact your dealer.
• Gland for the antenna cable: 50
• Gland for the motor cable: 42
10. Re-mount the RF unit then reconnect the motor drive connectors (J917, J918) and
the BP connector (J911) to the RF-TB Board, referring to step 2 on page 2-17.
Note: When mounting the RF unit, take care not to pinch the power cable with the
RF unit. The power cable can be damaged.
11. If required, reconnect the performance monitor connector (J916).
12. Check that the gasket on both covers are seated properly, then close the cov-
ers. The torque for the fixing bolts must be 28.0 N•m.
2.3

Antenna Unit for X-band, TR-DOWN Radar

2.3.1 How to fabricate the cables
Three cables are connected to the Antenna Unit: the serial cable from the transceiver
unit, waveguide, and de-icer power cable (option).
For how to connect the WAGO connector, see "WAGO connector" on page 2-6.
TTYCYSLA-10 (for serial cable)
Clamp the armor with the cable clamp.
Outer sheath Armor
DPYCY-1.5 (for the optional de-icer)
• Before beginning any work on the Antenna Unit, turn off the breaker for the de-icer
at the mains switchboard. (Turning off the display unit has no effect.)
• The neck of the Antenna Unit becomes VERY HOT when the de-icer is working.
(The de-icer turns on when ambient temperature goes down to 5°C and heats to
55°C.)
Clamp the armor with the cable clamp.
2-20
490 490
40 40
5 5
Drain wire Drain wire
Inner sheath
Vinyl tape
Pass the heat shrink tubing (local supply)
onto the drain wire.
6
6
Crimp-on lug
(unit: mm)