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Field Replacement Procedure 

 

 

Following legal entities are trading as / doing business as Cobham SATCOM 

Thrane & Thrane A/S, Kgs. Lyngby, Denmark  

Sea Tel Inc., Concord USA 

 

www.cobham.com/satcom 

 

 

 

 

SAILOR 1000 XTR Ku  – Polarization motor & drive belt replacement 

 

 
Brief Summary:  

Field replacement document for replacing the polarization motor and drive belt.  

 
Tools needed

 

 

Large wrench (40 Nm) 

 

Socket wrench 8 mm 

 

Torque wrench (1.0 – 6.0 Nm)   

 

 

5mm Hex bit M6 for the radome  

 

 

4mm Hex bit, M5. for the motor  

 

 

Torx T25 screwdriver   

 

 

 

Optibelt Freq measuring device   

   

 

Spare part:  

  S-67-176324

 Polarization motor 

 

S-41-207851-000 Belt for polarization drive 

 
 

 

Cobham SATCOM 

Global Technical Service dept. 

 

 

Date: September 2021 

Document Number:

 97-177616-A

 

Summary of Contents for SAILOR 1000 XTR Ku 8W

Page 1: ...ummary Field replacement document for replacing the polarization motor and drive belt Tools needed Large wrench 40 Nm Socket wrench 8 mm Torque wrench 1 0 6 0 Nm 5mm Hex bit M6 for the radome 4mm Hex...

Page 2: ...8 screws Do not use a pow er tool Access the pedestal through the hatch 2 Power off the ADU at the ADU power on off switch at the antenna control module 3 Remove the feed horn with a suitably sized w...

Page 3: ...polarisation motor cable 5 With a Torx25 screw driver loosen the four screws do not remove them entirely to remove the RF pack 6 Turn the RF pack anti clockwise and lift it off using the two handles...

Page 4: ...ts to loosen the waveguide arm using an Allen key 4 mm Important DO NOT slide the waveguide arm away yet in order not to drop the O rings into the waveguide accidentally 11 With a small tool remove th...

Page 5: ...rings into the waveguide 14 Fasten the waveguide shafts at 2 5 Nm using an Allen key size 4 mm 15 When attaching the belt verify that the marking on the motor pulley points towards the adjustment scre...

Page 6: ...of 110 to 160 Hz Keep adjusting until measurements are within the range 20 After the adjustment tighten the nuts to 8 Nm Verify again that the measurements are within the range of 110 to 160 Hz 21 Ap...

Page 7: ...ch 8mm 1 0 Nm b BUC cable wrench 2 0 Nm c OMT cable insert carefully as the PCB is very fragile d polarisation motor cable 26 Mount the feed horn tighten to 40 Nm 27 Switch on the antenna at the ADU p...

Page 8: ...before tightening This is to avoid that the last screws will misalign Do not use a power tool 31 Tighten the eight screws 6 Nm Verify the initialization of the SAILOR XTR ADU After replacing the defec...

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