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Field Service Procedure - Replacement Pol Pot Kit, 6006C, 6009C, 

9597B & 9507  

 

Page

 

7

 

of

 

7

 

 

Document No 

135302 Rev B

 

Copyright © Sea Tel, Inc 2011 - The information contained in this document is proprietary to Sea 
Tel, Inc..  This document may not be reproduced or distributed in any form without prior written 

consent of Sea Tel, Inc.  

 

 

11.

 

Drive

 

the

 

pol

 

motor

 

to

 

its

 

upper

 

and

 

lower

 

electrical

 

limits

 

and

 

verify

 

the

 

assembly

 

drives

 

in

 

the

 

correct

 

direction

 

and

 

that

 

the

 

feed

 

assembly

 

has

 

180

 

degrees

 

of

 

rotation:

   

On

 

the

 

DAC

 

press

 

the

 

 

arrow

 

key

 

to

 

display

 

cursor

 

underneath

 

the

 

pol

 

value

 

and

 

then

 

press

 

and

 

hold

 

the

 

 

arrow

 

key

 

to

 

drive

 

the

 

feed

 

to

 

its

 

upper

 

end

 

stop.

 

Verify

 

the

 

assembly

 

drives

 

90

 

degrees

 

so

 

the

 

exit

 

of

 

the

 

RX

 

wave

 

guide

 

is

 

horizontal,

 

facing

 

the

 

left

 

with

 

the

 

LNB

 

now

 

vertical

 

with

 

the

 

coax

 

facing

 

upwards

 

(provided

 

the

 

LNB

 

was

 

horizontal

 

in

 

the

 

previous

 

step,

 

depending

 

on

 

the

  

configuration

 

of

 

the

 

antenna).

 

The

 

pol

 

reading

 

should

 

be

 

approximately

 

211

 

counts.

  

Now

 

press

 

and

 

hold

 

the

 

 

arrow

 

key

 

to

 

drive

 

the

 

feed

 

to

 

its

 

lower

 

end

 

stop

 

and

 

verify

 

the

 

feed

 

rotates

 

180

 

degrees,

 

with

 

the

 

exit

 

of

 

the

 

RX

 

waveguide

 

horizontally

 

facing

 

the

 

right,

 

and

 

the

 

LNB

 

now

 

vertical

 

with

 

the

 

coax

 

facing

 

downwards

 

(depending

 

on

 

the

 

configuration

 

of

 

the

 

antenna).

 

The

 

pol

 

reading

 

should

 

be

 

approximately

 

28

 

counts.

  

 

12.

 

Set

 

the

 

Pol

 

Type

 

to

 

Automatic

 

(auto

 

pol):

  

Press

 

and

 

hold

 

the

 

 

arrow

 

keys

 

together

 

until

 

the

 

‘EL

 

Trim’

 

or

 

‘Auto

 

Trim’

 

window

 

is

 

displayed.

 

Push

 

the

 

 

arrow

 

key

 

to

 

scroll

 

through

 

the

 

settings

 

until

 

the

 

‘Pol

 

Type’

 

window

 

is

 

displayed

 

and

 

press

 

the

 

 

arrow

 

key

 

to

 

activate

 

the

 

window.

 

Now

 

use

 

the

 

 

and

 

 

arrow

 

keys

 

to

 

scroll

 

the

 

cursor

 

along

 

and

 

use

 

the

 

 

and

 

  

arrow

 

keys

 

to

 

change

 

the

 

value

 

from

 

“0009”

 

to

 

“0072”

 

and

 

then

 

press

 

the

 

 

button

 

to

 

put

 

the

 

system

 

back

 

into

 

automatic

 

polang

 

(auto

 

pol)

 

mode.

 

Watch

 

the

 

LNB

 

and

 

verify

 

it

 

returns

 

to

 

the

 

correct

 

reception

 

position

 

(while

 

the

 

pol

 

motor

 

is

 

driving

 

the

 

target

 

light

 

will

 

be

 

illuminated

 

on

 

the

 

DAC).

 

 

13.

 

Save

 

the

 

settings

 

in

 

the

 

DAC

2202:

 

Press

 

and

 

hold

 

the

 

 

arrow

 

keys

 

together

 

briefly,

 

“Save

 

New

 

Parameters”

 

will

 

be

 

displayed.

 

Press

 

the

 

 

arrow

 

key

 

to

 

activate

 

the

 

window

 

and

 

then

 

press

 

the

 

 

button,

 

“Parameters

 

Saved”

 

will

 

be

 

displayed

 

and

 

the

 

pol

 

type

 

and

 

pol

 

offset

 

will

 

be

 

stored

 

in

 

the

 

DAC.

    

 

 

*Note:

 

If

 

making

 

adjustments

 

to

 

the

 

polarization

 

alignment

 

of

 

a

 

VSAT

 

antenna

 

contacting

 

the

 

NOC

 

to

 

run

 

through

 

a

 

cross

pol

 

isolation

 

test

 

and

 

calibrating

 

the

 

Pol

 

Offset

 

will

 

be

 

necessary.

   

 

Содержание 6006C

Страница 1: ......

Страница 2: ... complete the target process and the antenna will stay in this position Setting the pol type to 0009 will make the antenna target by removing the auto pol function from the targeting process however the miss alignment of the feed will cause bad cross pol isolation 4 Verify Range of Motion First verify the settings in the DAC are correct the pol scale should be set to 0090 to give the feed 180 degr...

Страница 3: ...ce between the slider and the CW contact red cable pin 3 on the IDC connector and the grey cable pin 2 on the IDC connector The feedback should be approximately 0k ohms Now slowly rotate the shaft of the pot counter clockwise the reading should count up sequentially After five turns the pot will be in the centre of its range giving a resistance of approximately 25k ohms Continue to rotate the pot ...

Страница 4: ...nt Procedure 6 1 Tools Snips Cutters 9 64 Allen Wrench Key 3 32 Allen Wrench Key 12mm Wrench Spanner Loctite 222 242 and 638 Cable Ties 6 2 Procedure Procedure for replacing the Pol Pot on the 6009C 9597B and 9507 linear C Band systems Sea Tel kit part number 134919 pot part number 115425 5 CAUTION Power down the pedestal before following this procedure 1 Cut the cable ties securing the pol pot ha...

Страница 5: ...ritten consent of Sea Tel Inc 4 Install the mounting bracket onto the pol pot using a 12mm wrench 5 Apply Loctite 638 to the shaft of the pot and install the pulley apply Loctite 222 to the set screw and install using a 3 32 Allen wrench 6 Apply Loctite 242 to the mounting screw and install the replacement pol pot assembly Do not fully engage at this time 7 Secure the pol pot harness with cable ti...

Страница 6: ... keys to scroll the cursor along and use the and arrow keys to change the characters Set the Polang Type to 0009 which is manual mode and press the button 3 Press the button to go to the Pol Offset window and verify the default setting is 0030 for a 9597B or 9507 or 0040 for a 6006C or 6009C If necessary use arrow keys to select appropriate digits and change accordingly 4 Now keep pressing the but...

Страница 7: ...ate the pol potentiometer on the feed and loosen the screw that secures the slotted mounting plate with a 9 64 Allen wrench and carefully move the pol pot gear out of alignment with the belt fig 1 1 Fig 1 1 10 Align the potentiometer On the DAC verify the cursor is not displayed on the pol window if it is press the button failure to do this will result in display not changing Now rotate the pot sp...

Страница 8: ...RX waveguide horizontally facing the right and the LNB now vertical with the coax facing downwards depending on the configuration of the antenna The pol reading should be approximately 28 counts 12 Set the Pol Type to Automatic auto pol Press and hold the arrow keys together until the EL Trim or Auto Trim window is displayed Push the arrow key to scroll through the settings until the Pol Type wind...

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