Andrew Type 123 Class I & II Manual Petunjuk Perakitan - Halaman 7

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EARTH STATION ANTENNA AZIMUTH (IN DEGREES)

ASSEMBLY AND INSTALLATION

FEED AND FEED LEG INSTALLATION

NOTE: Long formed end of Side Feed Leg attaches to

the Reflector rim, short formed to side of Feed Support

Terminal.

Assemble Bottom Feed Leg to bottom of Reflector rim.

From the inside of Reflector rim, insert M6 x 16mm Hex

Bolt thru hole in rim and attach Bottom Feed Leg. Secure

with Lock Washer and Hex Nut.

NOTE: Bottom Feed Leg is the one with slight bend, with

lance, on one end, and is shorter than the Side Feed

Legs.

Leave all hardware loose. Insert Bottom Feed Leg end

with lance into socket hole in center of Feed Support

Terminal. Twist to engage lances. Attach left and right

Feed Support Legs to Feed Support Terminal, securing

with M6 x 16mm Hex Bolts and Lock Washers. Refer to

Instruction for Feed Assembly to assemble Feed

Assembly and ODU to Terminal Block. Tighten and

torque all hardware to Terminal Block and Reflector to

4 ft-lbs (5.4 N-m). Tighten two screws in Terminal Block

socket equally.

FEED AND FEED SUPPORT TUBE INSTALLATION

MEDIUM DUTY

Assemble "U" Clip to bottom of Reflector using M6 x

22mm Round Head Square Neck Bolt, Lock Washer and

Hex Nut. Insert bottom Feed Support Tube into "U" Clip

and secure with M6 x 55mm Round Head Square Neck

Bolt and elastic Lock Nut. (Ref. Fig. 1.5 & 1.6) Assemble

Feed Support Block (supplied with Feed package) to

Feed Support Tube, using two M6 x 16mm Hex Bolts and

Lock Washers.

96cm System (Ref. Fig. 1.5)

Attach Side Feed Legs and Braces to left and right

sides of Reflector using M6 x 20mm Hex Bolts, Lock

Washers and Hex Nuts. (NOTE: Long formed end of

Feed Leg attaches to Reflector. Short formed end of

Brace attaches to inside of Reflector rim.) Attach flat-

ten end of Brace to top of Mount Housing using M6 x

22mm Round Head Square Neck Bolts, Tooth Lock

Washers, Flat Washers and Hex Nuts. Round Head

Square Bolt fits on the underside of Mount Housing

top, flatten end of Brace on top side of Mount

Housing, Tooth Lock Washer on top of flatten end of

Brace, then Flat Washer and Hex Nut.

Attach Side Feed Legs to support Block using M6 x

20mm Hex Nuts and Lock Washers. Leave all hard-

ware loose.

ROUND HEAD SQUARE

NECK BOLT (2 REQ)

MOUNT

EXTENSION

ASSEMBLY

PLATE

LOCK WASHER

(2 REQ)

HEX NUT

(2 REQ)

FIG. 1.3 - Installation of Extension Plate to AZ/EL

Housing (1.2m medium Duty Only)

HEX BOLT

FLAT WASHER

HEX NUT

(2 REQ BOTH SIDES)

SIDE FEED LEG

(2 REQ)

HEX BOLT

FLAT WASHER

(2 REQ BOTH SIDES)

FEED HORN/FEED ASSY

w/FEED SUPPORT

BLOCK

FEED SUPPORT

TERMINAL

BOTTOM FEED

LEG

HEX BOLT

LOCK WASHER

(2 REQ)

HEX BOLT

LOCK WASHER

HEX NUT

FIG. 1.4 - Installation of Feed/Feed Support Legs

to Antenna (Light Duty, 96cm Shown)

RD HD SQ NK BOLT

BRACE (1 L.H.

TOOTH WASHER

TOOTH

& 1 R.H.)

FLAT WASHER

WASHER

HEX NUT

(2 REQ)

M6 x 20mm

HEX BOLTS

LOCK WASHERS

HEX NUTS

(2 REQ-BOTH SIDES)

HEX BOLT

FLAT WASHER

(2 REQ)

SIDE FEED LEG

(2 REQ)

BOTTOM FEED

SUPPORT TUBE

MOUNTING

BLOCK

HEX BOLT

RD HD SQ

LOCK WASHER

NK BOLT

(2 REQ)

FLAT WASHER

"U" CLIP

LOCK WASHER

HEX NUT

RD HD SQ

NK BOLT &

ELASTIC LOCK

NUT

FIG. 1.5 - Installation of Feed/Feed Support Legs

to Antenna (96cm Medium Duty)