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8320

 

Series

 

Tenuline®

 

Attenuator

20

Customer Service

Any

 

maintenance

 

or

 

service

 

procedure

 

beyond

 

the

 

scope

 

of

 

those

 

in

 

this

 

chapter

 

should

 

be

 

referred

 

to

 

a

 

qualified

 

service

 

center.

If

 

the

 

unit

 

needs

 

to

 

be

 

returned

 

for

 

any

 

reason,

 

request

 

an

 

Return

 

Material

 

Authorization

 

(RMA)

 

through

 

the

 

Bird

 

Technologies

 

website.

 

All

 

instruments

 

returned

 

must

 

be

 

shipped

 

prepaid

 

and

 

to

 

the

 

attention

 

of

 

the

 

RMA

 

number.

Bird Service Center

30303

 

Aurora

 

Road

Cleveland

 

(Solon),

 

Ohio

 

44139

2794

Fax:

 

(440)

 

248

5426

E

mail:

 

[email protected]

For

 

the

 

location

 

of

 

the

 

Sales

 

Office

 

nearest

 

you,

 

visit

 

our

 

Web

 

site

 

at:

http://www.birdrf.com

Shipping

Model

 

8321,

 

8322,

 

and

 

8323

 

may

 

be

 

shipped

 

without

 

emptying

 

the

 

coolant.

Model

 

8325

 

if

 

the

 

shipping

 

plug

 

installed,

 

it

 

is

 

not

 

necessary

 

to

 

empty

 

the

 

coolant.

Before

 

shipping

 

the

 

attenuator,

 

take

 

the

 

following

 

precautions:

1.

Remove

 

the

 

vent

 

plug

 

(Model

 

8325).

2.

Replace

 

the

 

vent

 

plug

 

them

 

with

 

the

 

shipping

 

plug

 

(Model

 

8325).

Note: 

With

 

the

 

shipping

 

plug

 

installed,

 

it

 

is

 

not

 

necessary

 

to

 

empty

 

out

 

the

 

coolant.

3.

Wrap

 

the

 

vent

 

plug

 

with

 

padding

 

and

 

tape

 

them

 

to

 

the

 

side

 

of

 

the

 

attenuator

 

for

 

protection.

 

(Model

 

8325)

4.

Pack

 

the

 

attenuator

 

in

 

the

 

original

 

carton.

If

 

the

 

original

 

carton

 

is

 

not

 

available,

 

pack

 

and

 

brace

 

the

 

attenuator

 

in

 

a

 

suitable

 

shipping

 

container

 

such

 

as

 

a

 

sturdy

 

corrugated

 

cardboard

 

box.

Содержание TENULINE 8320 Series

Страница 1: ...8320 SERIES TENULINE ATTENUATOR Operation Manual Copyright 2017 by Bird Technologies Inc Instruction Book Part Number 920 8320S Rev B Tenuline is a registered trademark of Bird Electronic Corporation...

Страница 2: ...remove the RF transmission line while RF power is present WARNING Do Not Service Or Adjust Alone Under no circumstances should any person reach into an enclosure for the purpose of service or adjustm...

Страница 3: ...e which if not correctly performed could result in personal injury CAUTION Caution notes call attention to a procedure which if not correctly performed could result in damage to the instrument The cau...

Страница 4: ...cooling Always check to ensure vent plug is installed prior to operation Failure to do this could result in damage to the equipment and endanger the operator s safety WARNING Leaking RF energy is a p...

Страница 5: ...leading to premature failure CAUTION The input and output ends of these attenuators are clearly labeled Do not couple an attenuator backwards to the direction of power flow Destruction of the output r...

Страница 6: ...DE SEGURIDAD DEL INSTRUMENTO BENUTZUNG WIRD DAS GER T AUF ANDERE WEISE VERWENDET ALS VOM HERSTELLER BESCHRIEBEN KANN DIE GER TESICHERHEIT BEEINTR CHTIGT WERDEN UTILISATION TOUTE UTILISATION DE CET IN...

Страница 7: ...S GER TES GELTEN NUR F R GESCHULTES FACHPERSONAL ZUR VERMEIDUNG GEF HRLICHE ELEKTRISCHE SCHOCKS SIND WARTUNGSARBEITEN AUSSCHLIE LICH VON QUALIFIZIERTEM SERVICEPERSONAL DURCHZUF HREN ENTRENTIEN L EMPLO...

Страница 8: ...tion Provides general information about the 8320 series attenuators Theory of Operation Describes in detail the construction of the 8320 series attenuators and how cooling is achieved Installation Pro...

Страница 9: ...ntroduction 1 General Description 1 Operating Environment 1 RF Connectors 2 Chapter 2 Theory of Operation 3 Attenuator Construction 3 Cooling 3 Coolant Expansion 4 Heat Dissipation 4 Chapter 3 Install...

Страница 10: ...nnectors 12 Troubleshooting 13 Repair Procedures 14 Coolant Leakage Repair 14 Replace RF Connector 14 Replace Coolant Tank Output End Cover Seal 14 Replace Coolant Tank Input O ring Seal 17 Replace RF...

Страница 11: ...odels are portable and have a convenient carrying handle nested among the cooling fins on the top side If desired the attenuator may be permanently mounted see Mounting on page 6 Operating Environment...

Страница 12: ...s are normally supplied for the input and output but may be conveniently and easily interchanged with other Bird QC connectors See Available QC Type Connectors on page 23 for a list of available conne...

Страница 13: ...ction in surge impedance directly proportional to the distance along the resistor The output resistor is enclosed in a housing designed to return the attenuator to the characteristic impedance of 50 o...

Страница 14: ...plied to the attenuator the coolant expands into the expansion tank as the air in the expansion tank is compressed it is allowed to escape through the vent plug Heat Dissipation Heat Dissipation is ac...

Страница 15: ...eration in the horizontal position only with the handle up and mounting brackets down Allow at least six inches 150 mm of clearance around the unit in an area with freely circulating ambient air Unimp...

Страница 16: ...d lock washers Setup Vent Plug Installation Model 8325 Before placing the Model 8325 Attenuator into service the solid shipping plug P N 2450 049 must be removed and replaced by the spring loaded vent...

Страница 17: ...RG 8A U RG 9 U RG 213 U or equivalent equipped with plugs which mate with the connectors on the attenuator 3 Connect the output to a suitable load 4 Proceed according to Operating Instructions on page...

Страница 18: ...urer s instructions The attenuator may be subjected to very moderate overloads for limited periods of time without overheating However this should be done very cautiously to guard the attenuator again...

Страница 19: ...smitter immediately and allow the unit to cool before performing any maintenance 1 Disable RF power at the transmitter WARNING Leaking RF energy is a potential health hazard Never attempt to connect o...

Страница 20: ...ance measurements should be taken periodically according to use Preparation Tools Common hand tools Ohmmeter with an accuracy of 1 at 50 ohms or use a resistance bridge Use low resistance leads prefer...

Страница 21: ...the Attenuators OUTPUT connector Result should be 50 2 Ohms c Connect the multimeter test leads across the INPUT center conductor and the OUTPUT center conductor Result should be 93 7 2 Ohms 4 Record...

Страница 22: ...enamel 4 Inspect the clamping bands around the connectors for signs of possible coolant leakage If evidence of leakage is found see Coolant Leakage Repair Clean Outside Surfaces The outside surface o...

Страница 23: ...Coolant Tank Output End Cover Seal on page 14 or Replace Coolant Tank Input O ring Seal on page 17 Excessive overheating of the radiator Transmitter power too high Reduce transmitter power Faulty RF s...

Страница 24: ...nput End Cover See Replace Coolant Tank Input O ring Seal on page 17 If leakage is significant check the coolant level in the radiator tank See Coolant Level Inspection on page 18 Replace RF Connector...

Страница 25: ...1 connecting the pressure relief tube to the expansion tank using a 7 16 inch wrench See Figure 3 on page 15 Pull the nut away from the tank slightly 3 Loosen the 10 32 screw 2 securing the band clam...

Страница 26: ...22 3 Inspect the End Cover seal 5 The o ring should be soft and pliable and free of surface cracks If damaged or hardened the o ring should be replaced See Replacement Parts on page 22 4 Install the E...

Страница 27: ...3 Loosen the 10 32 screw 1 securing the band clamp to the RF input See Figure 5 on page 17 Figure 5 Input O Ring Removal 4 Remove the Band Clamp 5 Lift the RF input section out of the attenuator assem...

Страница 28: ...bling the attenuator using this procedure if the unit is already partially disassembled check the coolant level using the All Models Coolant Level Check 1 Remove RF Power and allow attenuator to cool...

Страница 29: ...o drip out as possible b Replace the coolant with fresh coolant filling the radiator tank to the proper level 8 Install the output end cover See Install Output End Cover on page 16 Storage If storing...

Страница 30: ...rest you visit our Web site at http www birdrf com Shipping Model 8321 8322 and 8323 may be shipped without emptying the coolant Model 8325 if the shipping plug installed it is not necessary to empty...

Страница 31: ...MHz Calibration Frequencies to 0 2 dB 30 100 200 300 400 and 500 MHz Weight Model 8321 Model 8322 Model 8323 Model 8325 6 1 2 lb 3 kg 19 lb 9 kg 11 lb 5 kg 25 lb 11 kg Dimensions Nominal Model 8321 M...

Страница 32: ...61010 1 Which is in accordance with council directive 73 23 EEC 93 68 EEC Item Qty Part Number RF Assembly Model 8322 Model 8325 1 1 8322 002 1 8322 002 1 Radiator Assembly Model 8321 Model 8323 Model...

Страница 33: ...gs o ring chain assembly and screw RPK8000 1 Vent Plug 1 2450 094 Shipping Plug 1 2450 049 Chain Assembly 1 8180 094 O Ring Used for Vent Shipping Plug 1 5 504 Bumper Feet 5 049 Connector Part Number...

Страница 34: ...male 4240 100 C Male 4240 110 UHF Female 4240 050 UHF Male 4240 179 TNC Female 4240 156 TNC Male 4240 160 SC Female 4240 090 Mini UHF Female 4240 346 7 16 EIC Plug Type 169 4 4240 363 1 5 8 EIA Swivel...

Страница 35: ...y such claim for breach of these warranties shall be deemed to be waived by Buyer unless made in writing within ten 10 days from the date of discovery of the defect The above warranties shall not exte...

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