Furuno FAR-2318 Manual de usuario

EQUIPMENT LISTS

xxiv

radar’s specification. Refer to the following table to confirm your category. The radar category de-

pends on the installed monitor.

For BB type, a monitor unit meeting the category requirements of IMO must be prepared by the

user.

Category Radar type ANT. rotation speed

CAT 1 FAR-2318, FAR-2328, FAR-2328W, FAR-2338S,

FAR-2338SW, FAR-2338-NXT

24 rpm

CAT 1H Same models as above 42 rpm

CAT 2 FAR-2218, FAR-2228, FAR-2238S, FAR-2238S-NXT 24 rpm

CAT 2H Same models as above 42 rpm

CAT 3 FAR-2218, FAR-2228, FAR-2238S,

FAR-2238S-NXT

24 rpm

1-1

1. INSTALLATION

1.1 Antenna Unit (X-band Radar)

1.1.1 Installation Considerations

• The Antenna Unit is generally installed either on top of the wheelhouse or on the

radar mast, on a suitable platform. Locate the Antenna Unit in an elevated position

to permit maximum target visibility.

• A line of sight from the Antenna Unit to the bow of the ship must hit the surface of

the sea in not more than 500 m or twice the ship’s length, depending whichever val-

ue is smaller, for all load and trim conditions.

• BS/CS broadcast equipment may be subject to interference from radar waves. For

BS/CS antenna installation, adjust the height and installation position of the BS/CS

antenna to avoid interference from radars.

• Install the Antenna Unit so that any blind sectors caused by objects (mast, etc.) are

kept to a minimum. A blind sector must not exist in arc of the horizon from right

ahead to 22.5° aft of the beam to either side (see the figure below). Also, individual

blind sectors of more than 5°, or the total arc of both blind sectors of more than 20°,

must not occur in the remaining arc (Figure 2). Note that any two blind sectors sep-

arated by 3° or less are regarded as one sector.

• Do not install the antenna where extreme winds may strike the port and starboard

sides of the antenna.

NOTICE

Do not apply paint, anti-corrosive sealant or contact

spray to coating or plastic parts of the equipment.

Those items contain organic solvents that can damage

coating and plastic parts, especially plastic connectors.

less than 500 m or twice the ship's length

Figure 1 Figure 2

less than 3°

22.5°

270° 90°

a, b, c: less than 5° respectively

a+b+c+: less than 20°

a, b, c: less than 5° respectively

a+b+c+: less than 20°

1. INSTALLATION

1-2

• Install the Antenna Unit away from interfering high-power energy sources and TX

radio antennas.

• Keep the lower edge of the Antenna Unit above the safety rail by at least 500 mm.

• Install two Antenna Units as shown in the figure below.

• No funnel, mast or derrick shall be within the vertical beamwidth of the Antenna Unit

in the bow direction, especially zero degree ±5°, to prevent blind sectors and false

echoes on the radar picture.

• It is rarely possible to place the Antenna Unit where a completely clear view in all

directions is available. Therefore, determine the angular width and relative bearing

of any shadow sectors for their influence on the radar at the first opportunity after

fitting.

• Locate the antenna of an EPFS clear of the radar antenna to prevent interference

to the EPFS. A separation of more than two meters is recommended.

• A magnetic compass will be affected if the Antenna Unit is placed too close to the

compass. Observe the compass safe distances on page ii to prevent interference

to a magnetic compass.

• Do not paint the radiator aperture, to ensure proper emission of the radar waves.

• Ground the unit with the ground wire (supplied).

• Deposits and fumes from a funnel or other exhaust vent can affect the aerial perfor-

mance and hot gases may distort the radiator portion. Do not install the Antenna

Unit where the temperature is more than 55 °C.

• Leave sufficient space around the unit for maintenance and servicing. See the An-

tenna Unit outline drawing for recommended maintenance space.

• For X-band radar, an antenna switch is pro-

vided on the chassis to stop the antenna.

Make sure the mounting location provides

easy access to the switch.

more than 20°

more than 1 m

more than 20°

more than 1 m

X-band radar S-band radar

ANT

MOTOR

1. INSTALLATION

1-3

• For X-band radar, if it is

necessary to lay down the

radiator before you fasten

it to the Antenna Unit, lay

it down with the wave-

guide up, to prevent dam-

age to the cylinder that

surrounds the waveguide.

• If the de-icer is installed, a two-pole breaker (supplied locally) must also be installed.

Note: For more information, please refer to IMO SN/Circ.271 "Guidelines for the in-

stallation of shipborne radar equipment.

1.1.2 FAR-2x18/2x28/2x38 Radars

How to assemble the Antenna Unit

The Antenna Unit consists of the antenna radiator and the Antenna Unit chassis, and

they are packed separately. Fasten the antenna radiator to the Antenna Unit chassis

as follows:

1. Coat the hatched area shown in the figure in step 2 with the supplied adhesive.

2. Remove the protective waveguide cap from the waveguide on the radiator brack-

et.

3. Pass the Gasket (03-182-3186, supplied) to six sets of the Antenna fixing bolts

(03-182-4188, supplied, w/two flat washers), and then coat the threads of the An-

tenna fixing bolts with the supplied adhesive. Set the radiator on the radiator

bracket.

Lay down radiator with

waveguide facing upward.

Waveguide

Cylinder

Do not apply the adhesive to

these locations.

Remove this cap BEFORE

fastening the radiator.

Hacth: Adhesive

Radiator

bracket

REAR view

Radiator

bracket

Antenna Fixing Bolt (w/ two flat washers)

Flat washers

Gasket

Coat with adhesiveCoat with adhesive

Radiator BracketRadiator Bracket

1. INSTALLATION

1-4

4. Fasten the antenna radiator to the radiator

bracket with the six sets of Antenna fixing

bolts. Fasten the bolts in the order shown

in the figure to the right. The torque must

be 15.0 N•m.

5. Coat the Antenna fixing bolts fixed at step 4

with the supplied adhesive as shown in the right figure.

How to hoist the Antenna Unit

The Antenna Unit may be assembled before hoisting it to the mounting platform. At-

tach lifting belt slings to the “Radiator Bracket”, NOT the antenna radiator, as shown

in the figure below.

Also, hoist the Antenna Unit slowly. Hoisting swiftly may cause a damage to the an-

tenna radiator or damage the radiator chassis.

There are two methods to hoist the Antenna Unit.

Upright hoisting

Sideways hoisting

Fasten belt sling to a shackle, pass belt sling around radiator bracket and fasten

other end of belt sling to other shackle.

Adhesive

Belt sling

Radiator bracket

Set belt slings to

radiator bracket.

Note: Pass belt sling

around the

Radiator bracket.

Bow side UP

Radiator bracket

Shackle

(left, right)

Shackle

(left, right)

Lifting fixture

(ø20)

Lifting fixture

(ø20)

Belt sling

1. INSTALLATION

1-5

How to fasten the Antenna Unit to the mounting platform

1. Construct a suitable mounting platform referring to the outline drawing at the end

of this manual.

Note: The mounting platform must be flat, level and firmly secured.

• The diameter of the mast for fixing the Antenna Unit platform must be over 180

mm.

• The thickness of the Antenna Unit platform must be over 12 mm.

• The reinforcement rib must be installed diagonally.

2. Referring to the outline drawing at the back of this manual, drill four mounting

holes (15 mm) in the mounting platform.

3. Place the Antenna Unit on the platform, then orient the unit so the bow mark on

its base is facing the ship’s bow.

Note: When the Antenna Unit is placed on the platform, make sure that the plat-

form is not inclined.

4. Insert four sets of hex bolts (M1270)

attached the seal washers to the

mounting holes of the antenna chassis,

referring to the installation guide

(C3900Y01) at the back of this manual.

Lift the antenna chassis slightly then in-

sert the bolts attached the insulation

sheets.

Note: DO NOT insert the bolts from the underside of the platform. The cover can-

not be opened.

5. Adjust the direction of the Antenna Unit so the bow mark on its base is facing the

ship’s bow.

6. Fasten the Antenna Unit to the mounting platform with four sets of hex bolts

(M1270), nuts, flat washers and seal washers. Insert the bolts from the topside

Over 12 mm

Mounting

platform

Be careful not to

get welding splatter

on nuts, bolts, etc.

on the mounting

platform.

Diameter:

Over 180 mm

Diameter:

Over 180 mm

Thickness: Over 6 mmThickness: Over 6 mm

Bottom of platform

The reinforcement

ribs must be

installed diagonally.

FRONT

Bow mark (▼)

M12×70 (four places)

1. INSTALLATION

1-6

of the platform. The torque must be 49 N•m. For how to fasten double nuts, see

the installation guide (C3900Y01) at the back of this manual.

7. Using a hex bolt (M625), nut (M6) and flat washer (M6), establish the ground sys-

tem on the mounting platform. The location must be within 340 mm of the ground

terminal on the Antenna Unit. Connect the ground wire (RW-4747, 340 mm, sup-

plied) between the grounding point and ground terminal on the Antenna Unit. Coat

the hardware of the ground system with the supplied adhesive.

Antenna chassis side

Mounting platform side

Arrange a ground terminal as close as possible to Antenna Unit. There are two

methods to connect the ground wire for mounting platform side.

1.1.3 FAR-2258 Radar

How to assemble the Antenna Unit

The Antenna Unit consists of the antenna radiator and the Antenna Unit chassis, and

they are packed separately. Fasten the antenna radiator to the Antenna Unit chassis

as follows:

1. Attach the supplied two guide pins to the underside of the antenna radiator.

2. Remove the protective waveguide cap from the waveguide on the radiator brack-

et.

Ground terminal

Adhesive

Ground wire

Antenna Chassis

Hex bolt

Flat washer

Hex nut

Spring washer

AdhesiveAdhesive

Mounting PlatformMounting Platform

Ground wireGround wire

Welding

Hex bolt

Spring washer

Flat washer

Mounting PlatformMounting Platform

AdhesiveAdhesive

Ground wireGround wire

Method 1 Method 2

1. INSTALLATION

1-7

3. Coat the grayed area shown below with the supplied adhesive.

4. Grease the O-ring and set it to the O-ring groove of the radiator flange.

5. Set the supplied spring washers and flat washers then coat the adhesive to the

threads of the supplied hex. bolts M840.

6. Set the antenna radiator to the radiator bracket.

7. Remove the two guide pins (insert-

ed at step 1), and then tighten fixing

bolts. The torque must be 15 N•m.

8. Coat hex bolts M840 with the supplied adhesive and

use them to loosely fasten the antenna radiator to the

Antenna Unit chassis.

Radiator bracket

O-ringO-ring

Gray: Adhesive

10 mm10 mm

5 mm5 mm

O-ring

Radiator bracket

Waveguide

Antenna radiator

Hex bolt

(M8×40,

w/plain washer and

spring washer),

8 pcs.

Guide pin

Be sure to remove the guide pins.

Injury may result if the guide pins loosen

and fall.

CAUTION

Adhesive

1. INSTALLATION

1-8

How to hoist the Antenna Unit

The Antenna Unit may be assembled before hoisting it to the mounting platform. Do

one of the following to hoist the Antenna Unit. Attach shackles (20, local supply) to

the lifting fixtures to use belt slings. After the Antenna Unit is securely placed, remove

the shackles.

Also, hoist the Antenna Unit slowly. Hoisting swiftly may cause a damage to the an-

tenna radiator or damage the radiator chassis.

Upright hoisting

Note: Do not hoist the Antenna Unit by hanging belt

slings around the radiator directly.

Sideways hoisting

Fasten one belt sling to both shackles, and pass the other belt sling around the

stern side of the radiator.

Top view

Attach shackles so that

belt slings get crossed

as viewed from above.

Shackle

Lifting Fixture

Belt sling

Bow side of

the antenna

unit Note: Pass the belt

sling around the

stern side of the

radiator.

Shackle

Lifting Fixture

1. INSTALLATION

1-9

How to fasten the Antenna Unit to the mounting platform

1. Construct a suitable mounting platform referring to the outline drawing at the end

of this manual.

Note: The mounting platform must be flat, level and firmly secured.

2. Lay the rubber mats (supplied) on the mounting platform.

3.Place the Antenna Unit on the supplied

rubber mats, then orient the unit so the

nameplate on the scanner box is facing the

ship’s bow.

Note: When the Antenna Unit is placed on

the platform, make sure that the platform is

not inclined.

4.Insert four sets of hex bolts (M1260) at-

tached the seal washers to the mounting holes of the antenna chassis.

5. Adjust the direction of the Antenna Unit so the nameplate is facing the ship’s bow.

6. Fasten the Antenna Unit to the mounting

platform with four sets of hex bolts, nuts, flat

washers and seal washers. The torque

must be 49 N•m.

Note: For how to fasten the double nuts,

see the installation guide (C3900Y01) at the

back of this manual.

7. Using a hex bolt (M625), nut (M6) and flat

washer (M6), establish the ground system

on the mounting platform. The location must be within 340 mm of the ground ter-

minal on the Antenna Unit. Connect the ground wire (RW-4747, 340 mm, sup-

plied) between the grounding point and ground terminal on the Antenna Unit. Coat

the hardware of the ground system with the supplied adhesive.

Antenna chassis side

FRONT

Nameplate

Rubber mat

M12×60 (4 places)

Ground terminal

REARREAR

Adhesive

Ground wire

Antenna

Chassis

Antenna

Chassis

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