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Procedure, Field Replacement, Level Cage Kit, Base Exit 

 

Page

 

6

 

of

 

9

 

 

Document No 

135266 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.  

 

 

 

2.

 

Using

 

a

 

#1

 

Phillips

 

screwdriver,

 

loosen

 

the

 

four

 

screws

 

attaching

 

level

 

cage

 

motor

 

to

 

the

 

EL

 

pan

 

(do

 

not

 

fully

 

remove)

.

 

3.

 

Slide

 

the

 

motor

 

towards

 

the

 

reflector

 

and

 

remove

 

the

 

belt

 

from

 

level

 

cage

 

motor

 

sprocket.

 

 

 

4.

 

Using

 

a

 

½”

 

socket

 

or

 

wrench

 

remove

 

the

 

Nylock

 

nut

 

securing

 

the

 

level

 

cage

 

to

 

the

 

spindle.

 

 

 

5.

 

Take

 

care

 

not

 

to

 

remove

 

the

 

level

 

standoff

 

spacer

 

from

 

the

 

spindle.

  

 

 

 

6.

 

Install

 

the

 

replacement

 

level

 

cage

 

onto

 

the

 

spindle,

 

slipping

 

the

 

belt

 

over

 

the

 

level

 

cage

 

pulley

 

and

 

making

 

sure

 

its

 

end

 

stops

 

are

 

aligned

 

correctly.

 

Secure

 

it

 

with

 

the

 

1/2”

 

Nylock

 

nut,

 

tightened

 

so

 

it

 

slightly

 

preloads

 

the

 

bearings.

  

7.

 

Rotate

 

the

 

level

 

cage

 

by

 

hand

 

and

 

verify

 

it

 

has

 

90

 

degrees

 

of

 

motion

 

and

 

that

 

the

 

cage

 

rotates

 

freely

 

without

 

rubbing

 

against

 

the

 

EL

 

pan.

 

 

 

8.

 

Place

 

the

 

belt

 

on

 

the

 

level

 

cage

 

sprocket

 

and

 

then

 

slip

 

it

 

over

 

the

 

sprocket

 

of

 

the

 

level

 

cage

 

motor.

  

 

Summary of Contents for Base Exit

Page 1: ......

Page 2: ...ystems remote tilt setting 4 Verify RemoteTilt If the pedestal is having stability problems firstly check the remote tilt setting by looking at the level bubble on top of the level cage note older systems didn t have a bubble installed on top of the level cage If the bubble isn t as close to central as possible the remote tilt setting isn t correctly calibrated meaning the rate sensors won t be co...

Page 3: ...acRemP trace returns or the systems axis returns back to its original position instantly without deviating or taking time to settle Now push the cross level beam down to the right and hold it in position Verify that the CL trace on DacRemP moves up an equal amount to the movement exerted on the axis Release the Axis and verify the DacRemP trace returns or the systems axis returns back to its origi...

Page 4: ...ed by the PCU A mechanical problem such as the belt skipping on the sprocket or another physical restriction could also cause this kind of error Skewing the antenna in azimuth by holding the right or left arrow key to drive the antenna slowly may also present an issue If the system keeps finding the satellite at different azimuth positions but at the same relative then the encoder is functioning c...

Page 5: ...l cage rectified the fault cleaning the pins on the PCU end of the reference harness is also advisable 11 Further Information Should the system fail to target the correct elevation physically pointing at a different position to the reading on the DAC or have issues driving past a certain elevation position then the most likely cause is a defective level cage motor If the system is displaying a ped...

Page 6: ... to side on the spindle not over tightened so it can move smoothly 14 Replacing the Level Cage Assembly 14 1 Tools 2mm Flat Blade Terminal Screw Driver 1 Phillips Screwdriver Wrench Spanner 14 2 Procedure Procedure for replacing the level cage assembly Sea Tel kit part number 135343 level cage assembly part number 122937 1 and tensioning the level cage belt The principal is the same for the XX06 l...

Page 7: ...he belt from level cage motor sprocket 4 Using a socket or wrench remove the Nylock nut securing the level cage to the spindle 5 Take care not to remove the level standoff spacer from the spindle 6 Install the replacement level cage onto the spindle slipping the belt over the level cage pulley and making sure its end stops are aligned correctly Secure it with the 1 2 Nylock nut tightened so it sli...

Page 8: ... of Sea Tel Inc 9 Tension the belt by sliding the motor assembly by hand away from level cage and tighten one of the four screws 10 Increase the belt tension until the belt can only be easily twisted just turn with your fingers 11 If the belt tension is too tight lose adjust until correct and then secure the motor 12 Plug the reference harness back into the level cage D Sub connector and tighten t...

Page 9: ...e window and then press the arrow followed by the button to turn dishscan from on to off Note When you press the arrow to turn dishscan off you won t see the display change until you press the button Steps 2 7 requires assistance to observe and operate antenna simultaneously 2 Enter into the Setup Menu by pressing and holding the arrows together until the EL Trim or Auto Trim parameter is displaye...

Page 10: ...row key to scroll through the menu until the dishscan window is displayed Press the arrow key to activate the window and then press the arrow key followed by the button to turn dishscan from off to on Note When you press the arrow to turn dishscan on you won t see the display change until you press the button 8 Save the Remote Tilt setting in the PCU Press the arrow key until the Remote Parameters...

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