Channel Master 1.8m Offset Tx/Rx Antenna System Manual de usuario

INSTRUCTION AND ASSEMBLY MANUAL

TYPE 183

1.8m Offset Tx/Rx Antenna System

US Sales Office • 1315 Industrial Park Drive, Smithfield, NC 27577 USA • Telephone: (919) 989-2205 • Fax: (919) 989-2200

Germany Sales Office • Göppingerstr. 1, 75179 Pforzheim, Germany • Telephone: +49 (0) 7231-14557-0 • Fax: +49 (0) 7231-14557-10

8000660-02

ECN 9000000

5/03

VSAT ANTENNA/MOUNT/LNB

LIMITED TWELVE (12) MONTH WARRANTY

This CHANNEL MASTER®equipment is warranted to be free from defects in material and workmanship under normal

use and service.CHANNEL MASTER shall repair or replace defective equipment, at no charge, or at its option, refund the

purchase price, if the equipment is returned to CHANNEL MASTER not more than twelve (12) months after shipment.

Removal or reinstallation of equipment and its transportation shall not be at the cost of CHANNEL MASTER except

CHANNEL MASTER shall return repaired or replaced equipment freight prepaid.

This Warranty shall not apply to equipment which has been repaired or altered in any way so as to affect its stability or

durability, or which has been subject to misuse, negligence or accident.ThisWarranty does not cover equipment which has

been impaired by severe weather conditions such as excessive wind, ice, storms, lightning, or other natural occur-

rences over which CHANNEL MASTER has no control, and this Warranty shall not apply to equipment which has been

operated or installed other than in accordance with the instructions furnished by CHANNEL MASTER.

Claimants under this Warranty shall present their claims along with the defective equipment to CHANNEL MASTER imme-

diately upon failure. Non-compliance with any part of this claim procedure may invalidate this warranty in whole or in part.

THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER AGREEMENTS AND WARRANTIES, ANY IMPLIED

WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IS LIMITED IN DURATION TOTHE

DURATION OF THIS WARRANTY. CHANNEL MASTER DOES NOT AUTHORIZE ANY PERSON TO ASSUME FOR IT

THE OBLIGATIONS CONTAINED IN THIS WARRANTY AND CHANNEL MASTER NEITHER ASSUMES NOR AUTHO-

RIZES ANY REPRESENTATIVE OR OTHER PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNECTION

WITH THE EQUIPMENT DELIVERED OR PROVIDED.

IN NO EVENT SHALL CHANNEL MASTER BE LIABLE FOR ANY LOSS OF PROFITS, LOSS OF USE,

INTERRUPTION OF BUSINESS, OR INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES OF ANY KIND.

In no event shall CHANNEL MASTER be liable for damages in an amount greater than the purchase price of the equipment.

Some states do not allow limitations on how long an implied warranty lasts, or allow the exclusion or limitation of incidental

or consequential damages, so the above limitations or exclusions may not apply to you.

DATE DESCRIPTION REV.

5/03 ECN 9000000 Rel.

IMPORTANT!!!

INSTALLATION OFTHIS PRODUCT SHOULD BE PERFORMED ONLY BY A PROFESSIONAL INSTALLER

AND IS NOT RECOMMENDED FOR CONSUMER D.I.Y. (DO-IT-YOURSELF) INSTALLATIONS.

DANGER!!!

WATCH FOR WIRES! You can be killed if this product comes near power lines. Installation of

this product near power lines is dangerous. For your own safety, follow these important safety

rules.

1. Perform as many functions as possible on the ground.

2. Watch out for overhead power lines. Check the distance to the power lines before starting

installation.We recommend you stay a minimum of 6 meters (20 feet) from all power lines.

3. Do not use metal ladders.

4. Do not install antenna or mast assembly on a windy day.

5. If you start to drop antenna or mast assembly, get away from it and let it fall.

6. If any part of the antenna or mast assembly comes in contact with a power line, call your

local power company. DO NOT TRY TO REMOVE IT YOURSELF! They will remove it safely.

7. Make sure that the mast assembly is properly grounded.

WARNING!!!

Assembling dish antennas on windy days can be dangerous. Because of the antenna surface, even

slight winds create strong forces. For example, a 1.0m antenna facing a wind of 32 km/h (20 mph) can

undergo forces of 269 N (60 lbs). Be prepared to safely handle these forces at unexpected moments.

Do not attempt to assemble,move or mount a dish on windy days or serious,even fatal accidents may

occur. Channel Masteris not responsible or liable for damage or injury resulting from antenna

installations.

WARNING!!!

Antennas improperly installed or installed to an inadequate structure are very susceptible to wind

damage.This damage can be very serious or even life threatening.The owner and installer assumes

full responsibility that the installation is structurally sound to support all loads (weight,wind & ice) and

properly sealed against leaks. Channel Master will not accept liability for any damage caused by a

satellite system due to the many unknown variable applications.

Assembly Tools Required

1 - Compass 1 - 30mm or 1³⁄₁₆” Box End/Open End Wrench

1 - Clinometer 1 - 10mm Box End/Open End Wrench

1 - 220mm or 9” Magnetic Bubble Level 1 - 10mm Socket (For Torque Wrench)

1 - Torque Wrench 1 - 19mm or ³⁄₄” Deep Socket (13mm or ¹⁄₂”Drive)

(CAPACITY 5N-m-130N-m) 1 - 30mm (1.25”) Adjustable Wrench

1 - 24mm or ¹⁵⁄₁₆” Deep Socket 1 - 10mm or 1³⁄₁₆” Nutdriver

1 - Ratchet Wrench (13mm or ¹⁄₂” Drive) 1 - 30mm Socket (13mm or ¹⁄₂”Drive)

PREINSTALLATION MATERIALS CHECKLIST

Grounding Rod Clamp & Grounding Block - As Required by National Electric Code or local codes.

Ground Wire - As Required by National Electric Code or local codes (length required).

Coaxial Cable - Size and length required.

Concrete: See “Ground Pole” section for quantity.

M10 or #3 Rebar: See “Ground Pole” section for quantity. Deformed steel per ASTM A615, Grade 40 or 60.

The first and most important consideration when

choosing a prospective antenna site is whether or not the

area can provide an acceptable “look angle” at the

satellites. A site with a clear, unobstructed view is

preferred.Also consider obstruction that may occur in the

future such as the growth of trees.Your antenna site must

be selected in advance so that you will be able to receive

the strongest signal available.To avoid obstructions, etc.,

conduct an on-site survey with a portable antenna.

As with any other type of construction, a local building

permit may be required before installing an antenna. It is

the property owner’s responsibility to obtain any and all

permits.

Before any digging is done, information regarding the

possibility of underground telephone lines, power lines,

storm drains, etc., in the excavation area should be

obtained from the appropriate agency.

Because soils vary widely in composition and load capacity,

consult a local professional engineer to determine the

appropriate foundation design and installation procedure.

A suggested foundation design with conditions noted is

included in this manual for reference purposes only (see

page 4). To assist in the foundation design, refer to

“Antenna Windloads” in the Appendix “B” on page 15.

SITE SELECTION

DIN CLASS 5.6 DIN CLASS 8.8

M6 M8 M12 M16 M20 M22 M8 M12 M16

5 N-m 15 N-m 51 N-m 125 N-m 168 N-m 230 N-m 24 N-m 90 N-m 203 N-m

4 11 38 92 124 170 18 66 150

Ft-Lbs Ft-Lbs Ft-Lbs Ft-Lbs Ft-Lbs Ft-Lbs Ft-Lbs Ft-Lbs Ft-Lbs

BOLT TORQUE

Head marking 5.6 or 8.8, if no head marking use DIN Class 5.6 values in above chart.

EXCEPTIONS TO ABOVE CHART:

• M12 x 100mm Round Head Square Neck Bolts securing Antenna to Mount.Torque to 27 N-m (20 ft-lbs.)

• M12 x 130mm Hex Head Bolts securing Feed Support to Backframe Tube.Torque to 47 N-m (35 ft-lbs.)

GROUND POLE INSTALLATION - 4.50” O.D.

16.7"

50"

96"

50"

55.5"

96"

50"

1" to 2"

SLOPE FOR

WATER RUN OFF

66"

APPROX.

4.5 O.D. (114.3mm) 4.5 O.D. (114.3mm)

ANT

1" to 2"

SLOPE FOR

WATER RUN OFF

GRADE GRADE

BUBBLE

LEVEL

BELOW

FROST LINE BELOW

FROST LINE

#3 REBAR x

DIA. OF PIER

INSERT THRU HOLE

IN TUBE & CENTER

#3 REBAR x DIA. OF PIER

INSERTTHRU HOLE IN

TUBE & CENTER

Ground Pole

Must Be

Vertical In

All Directions

Within .25 Inches

At Top

(6) #3 x 24" MIN.

AT 60˚APART

(SEE NOTE)

SEE

NOTE

MIN.

DIA.

MIN.

DIA.

NOTE:

66" may be increased,

concrete and length

of rebar will increase

accordingly.

WIND VEL. DIM “d” CONC VOL. DIM “d” CONC VOL. GROUND POLE

Inches (mm) CUYD (Cu Meter) Inches (mm) CUYD (CU Meter)

100 MPH 30”(762) .80 (.61) 24”(610) .70 (.54) “A”

125 MPH 37”(934) 1.2 (.92) 30”(762) 1.0 (.76) “B”

PIER FOUNDATIONS DEEP FROST LINE FOUNDATIONS

POLE SPECIFICATIONS:

Ground Pole “A”- 4.50 O.D. SCH 40 (4.026 I.D.) Steel - (Metric = 114.3 O.D. x 102.3 I.D. mm)

Ground Pole “B”- 4.50 O.D. SCH 80 (3.826 I.D.) Steel - (Metric = 114.3 O.D. x 97.2 I.D. mm)

NOTE:

1. Poles are not supplied (purchased locally to ASTM A501) and must be field drilled ⁵⁄₈ Dia. for M10 #3 rebar, drilled .218

(5.55mm) for ¹⁄₄-20 self tapping grounding screw and galvanized or painted for protection.

2. Pole and foundation design based on the following criteria:

a. Uniform building code Exposure C and 1.5 stability factory.

b. Vertical soil pressure of 2000 pounds per square foot. (9765 Kilograms/meter square)

c. Lateral soil pressure of 300 pounds per square foot. (1465 Kilograms/meter square)

d. Concrete compressive strength of 2500 pounds per square inch (176 Kg/Cm2) in 28 days.

CAUTION: The foundation design shown does not represent an appropriate design for any specific locality, since soil

conditions vary and may not meet design criteria given in Note 2.You should consult a local professional engineer to deter-

mine your soil conditions and appropriate foundation.

FIGURE 1.0

FIGURE 1.2 FIGURE 1.3

FIGURE 1.1

21 22

4 PLCS

YOKE

CAP

ASSEMBLY

GROUND

POLE

LOCKING

BOLTS

SOUTH

BACK

FRAME

ASSEMBLY AND INSTALLATION

1 - Place yoke cap assembly (25) onto ground pole.

Assemble channel and assembly to yoke cap assembly

with (4) M12 x 35mm Rd.Hd.Sq. Nk.(Item 27), flat washers

and hex nuts (5 & 26) as shown in Figure 1.0. Loosen

trunnion bolts.

Secure azimuth adjusting bolt (23) to yoke cap assembly

with M12 x 30mm hex bolt, lock washer and hex nut (4, 5

& 10). Point yoke cap assembly south and temporarily

secure to ground pole with locking bolts (Refer to Fig.1.2).

2 - Assemble bottom tube (14) to backframe (28) as

shown in Figure 1.1. Torque M12 Bolt (29) to 35-40 ft-lbs

(47-54 N-m).

3 - Install backframe assembly onto yoke cap assembly.

Secure with M20 x 140mm hex bolt and hex nut (9 & 11).

Loosen M12 hex bolt (10) and remove one M22 hex nut

(7) from elevation adjusting screw (6) and insert into

trunnion (8).Trunnion (8) in position shown is for 13˚and

above elevation. If elevation is less than 13˚, pivot

trunnion 180˚. Reinstall M22 hex nut (7). Do not tighten.

(Refer to Figure 1.3)

4 - Run up M22 hex nuts (7) on elevation screw (6) and

place backframe in birdbath position. (Refer to Fig. 1.3)

FIGURE - 1.7

FIGURE - 1.4

"UP"

(4 PLACES)

FIGURE - 1.8

FIGURE - 1.6

FIGURE - 1.5

TUBE

HOLE

FEED

SUPPORT TUBE

FEED

SUPPORT

513

SHORT FORMED END

OF SIDE STRUTS

ATTACHESTO FEED

SUPPORTTUBE.

LONG FORMED END 0F

SIDE STRUTS ATTACHES

TO ANTENNA.

LIFT UP ON FEED

SUPPORTTUBE HERE,

WHILE ANOTHER PERSON

TIGHTENS ANDTORQUES

HARDWARE ( & ).

TORQUETO 4 FT-LBS (5.4 Nm)

TORQUETO 43 FT-LBS (58 Nm)

***

5 - Insert four M12 x 100mm Round Head Square Neck Bolts

(1) into reflector (2) and place reflector onto backframe.

Secure reflector to backframe with four M12 lock washers and

hex nuts (4 & 5). Tighten and torque to 20 Ft-lbs (27 N-m).

Refer to Figure 1.4. Torque cross arm bolts (12) (Figure 1.1)

4 places to 40-45 ft-lbs (58 N-m).

IMPORTANT:“UP”arrow on reflector must be as shown in

Figure 1.4. Make sure Round Head Square Neck Bolts are

seated correctly before securing reflector to backframe.

Pre-torque (4) M12 x 35mm Round Head Square Neck

Bolts (Item 27) to 8-10 ft-lbs (12 N-m). (Refer to Fig. 1.0)

6 - Install M6 x 40mm hex bolt (15) with flat washer (16) into

bottom hole in reflector rim (2) and secure with M6 flat washer

and M6 hex nut (16 & 17). (Refer to Figure 1.5)

7 - Assemble feed support tube (19) onto backframe and

secure with two M12 x 130mm hex bolts (12).

IMPORTANT: M6 x 40mm hex bolt (15) in bottom of reflector

rim, fits into hole on top of support tube lower end.

NOTE: M12 tooth washer (13) must be assembled on

bolts (12), with one under head of bolts and one under

hex nuts (4).(Refer to Figure 1.6) Leave these bolts loose.

8 - Swing reflector down by loosening nuts (7) on elevation

screw (6).When reflector is in a convenient position, (approx-

imately 20˚), snug tighten nuts on elevation screw. (Refer to

Figure 1.3)

9 - Install left and right side struts (20) onto reflector as

shown in Figure 1.7.

Attach long formed end of side strut (20) to reflector rim by

inserting M6 x 20mm hex bolt (3) thru inside of rim and secure

snug, but free to pivot with M6 lock washer and hex nut (18 & 17).

Attach short formed end of side struts (20) to feed support

tube using M6 x 20mm hex bolt, lock washer and hex nut

(3, 18 & 17).

10 - IMPORTANT:Without using excessive pressure, lift feed

support tube vertically, just enough to relieve all loads off side

struts, while another person tightens and torque’s M12 hex

bolts (*) securing feed support tube to backframe to 35 Ft-lbs

(47 N-m) and M6 hex head bolts (**) securing side struts to

reflector to 4 Ft-lbs (5.4 N-m). (Refer to Figure 1.8)

11 - Install Feed/Feed Horn per instructions provided with

these items.

GROUNDING

TYPICAL ELECTRICAL GROUNDING FOR ANTENNA GROUND POLE

NOTE: All installations to conform to latest issue of National Electrical Code.

Ground antenna mount assembly and feed cables in accordance with current National Electrical code and local codes.

Figures 2.0 and 2.1 illustrates typical grounding methods for the ground pole and feed cables.

Clamps that provide a solid connection between ground wire and ground source should be used.

Tighten and torque all hardware.

GROUND WIRE

(Typical #10 AWG Copper, #8 Aluminum)

Refer to NEC Section 810 and local electric

codes for the specific area requirements.

¹⁄₄" - 20 UNC x ⁵⁄₈"

HEX HEAD, TYPE "D" POINT,

SELF TAPPING SCREW

GROUND LUG

¹⁄₄" EXTERNAL TOOTH

LOCK WASHER

Drill hole through one wall with

⁷⁄₃₂" Dia. twist drill.

Apply sealant here, after

assembly, to improve

corrosion resistance.

GROUND POLE

REF

10"-12"

NOTE:

ALL INSTALLATIONSTO

CONFORMTOTHE LATEST

ISSUE OFTHE NATIONAL

ELECTRIC CODE AND

LOCAL CODES.

FIGURE - 2.0

FIGURE - 2.1

ANTENNA ALIGNMENT PROCEDURE

Alignment with the satellite is obtained by setting

polarization, elevation, and azimuth. Charts 1, 2 & 3 are

to determine the values for your earth station antenna

site. “∆L”is the difference between the earth station

antenna site longitude and the satellite longitude. Use

“∆L”and your earth station latitude to obtain polarization,

elevation or azimuth setting.

POLARIZATION OF FEED

Loosen feed horn clamp bolts and turn feed clockwise or

counterclockwise, depending on being east or west of

the satellite as shown in Chart 1.Align marks on the horn

clamp and appropriate mark on the horn scale.

Polarization chart assumes antenna system polarization

is Tx vertical and satellite vertical Pol is perpendicular to

plane of geostationary arc. For horizontal Tx of antenna,

feed must be rotated 90˚from values shown. (Starting

point for polarization adjustment is 0˚, as shown in

Figure 3.0).

ELEVATION ADJUSTMENT

Use Chart 2 and determine your elevation setting. Using

a clinometer, adjust the elevation by turning the elevation

screw adjusting nuts until the desired elevation is

obtained. Reference Figure 3.1. Note: Degree values

shown on the clinometer are mechanical; that is

when the reflector face is vertical mechanical

elevation is 90˚ or axis is 0˚, while the beam elevation

(signal) axis is 22.62˚. Therefore as the reflector is

tilted, remember to compensate for the 22.62˚ offset

angle to get the correct beam elevation.

(See Appendix A, Outline Drawing, Page 14). This is

an approximate setting.Optimum setting will be achieved

during the fine tuning.

HORN SCALE

ALIGNMENT MARK

+400-40

CLAMP BOLT

PIVOT

BOLT

(LOOSEN)

ELEVATION

BOLT

(LOOSEN)

ELEVATION

ADJUSTING

SCREW

TRUNNION

CLINOMETER

ELEVATION

HEX NUTS

RIB

FIGURE - 3.0

FIGURE - 3.1

AZIMUTH

Use Chart 3 and determine your azimuth setting.

Values in chart must be adjusted for magnetic deviation

for your location for correct compass reading.

Equally tighten the six azimuth locking bolts until snug.

This will allow the reflector to rotate with slight resistance

(Ref. Fig. 3.2).

Rotate reflector and mount, pointing to the compass

reading for your location (Ref. Fig. 3.2).

Slowly sweep the reflector in azimuth until signal is

found. If desired signal is not found, increase or

decrease elevation setting and repeat the azimuth

sweep.Tighten locking bolts.

FINE TUNING

Progressively tighten and torque azimuth locking bolts to

75-85 Ft-lbs (108 N-m). The four top plate locking bolts

are pre-torqued to 8-10 ft-lbs. (12 N-m), maintain this

torque until after azimuth is fined tuned.

Use a signal strength measuring device for final adjust-

ments to obtain maximum antenna performance.

Alternate between elevation and azimuth fine tuning to

reach maximum signal strength, until no improvement

can be detected. Gradually tighten (1/8 turn increments

max.) top plate bolts in sequence 1, 3, 4 and 2 to

75 Ft-lbs., refer to Figure 3.2. Observe for maximum

signal strength as elevation screw’s M22 locking nuts are

tighten.

Polarization tune may be checked by carefully and slowly

rotating feed assembly in clamp. When maximum signal

strength is found, gradually tighten clamp bolts (Fig.3.0).

If a signal on the opposite polarity is available, this

signal should be minimized.

Tighten and torque all hardware. Refer to Torque Chart

on Page 2.

TOP PLATE

LOCKING BOLT

(4 PLCS)

AZIMUTH

ADJUSTING

SCREW

AZIMUTH LOCKING

BOLTS (4 PLCS)

TURN NUTS

CLOCKWISE OR

COUNTERCLOCKWISE

FOR AZIMUTH

FINETUNING

190

AZIMUTH

171°

COMPASS

170

180

ROTATE ANTENNA ON

GROUND TUBE

EXAMPLE:

AZIMUTH HEADING T0 171˚

(Azimuth ±Magnetic Deviation)

FIGURE - 3.3

FIGURE - 3.2

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