Furuno FAR 3220, Installation Manual

Page: 66 / 245

2. WIRING
2-24
4. Remove the RF unit with the handle.
Note: For magnetron radars, lay the unit on its side or on top of non-ferrous
material, to prevent demagnetization.
5. Unfasten the cable gland for the antenna cable and remove the gasket and three
flat washers and remove the protector.
6. Slide the cable gland,
the gasket and three
flat washers onto the
cable.
7. Push the flat washer
against the armor.
8. Trim the armor so that
it does not extend past
the flat washers.
9. Pass the antenna cable through the cable entrance.
If applicable, unfasten the appropriate cable glands and pass the sub monitor and
de-icer power cables through the cable entrance. Pass the cables through their
respective locking wire saddle.
10. All other cables are connected to the RF unit and should be pulled out of the chas-
sis after passing them through their respective cable entrances. The de-icer pow-
er cable is connected to the de-icer board as shown in step 14.
11. 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:

42
• Gland for the sub monitor cable or de-icer cable:

34
12. Re-mount the RF unit then reconnect the connectors for the motor (J803, J804
and J808), the four bolts and the coaxial cable (see step 3). The torque for fixing
the coaxial cable must be 27.5 N•m.
13. Attach the appropriate WAGO connectors (pre-attached) to the appropriate ca-
bles, and then connect the antenna and sub monitor cables to the RF-TB Board
shown in the following figure. For how to connect the WAGO connector, see "WA-
GO connector" on page 2-5. For pin arrangement, see the interconnection dia-
gram at the back of this manual.
Note 1: Make sure to pass the cable through the specified locking wire saddle.
Note 2: A terminal opener is provided on the RF-TB Board.
Cable entry for antenna cable (Side view)
Gland Gland Remove
protector.
Remove
protector.
Flat washers Flat washers
Gasket Gasket
Ex) Magnetron radar
Push the flat washer
against the armor.
Gland Gland
Gasket Gasket
Flat washers Flat washers
Antenna cable Antenna cable