COBHAM S-67-175992 Use and care manual

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 Ka 4.5W and 9W RF Pack
Field replacement procedure
Brief Summary:
Field replacement document for replacing the Power Detector Housing.
Spare part:
S-67-175992 SAILOR XTR Ka 4.5W RF Pack
S-67-175993 SAILOR XTR Ka 9.0W RF Pack
Location of the part:
Cobham SATCOM
Global Technical Service dept.
Date: November 2021
Document Number: 97-178838-A

Page 2 of 5
www.cobhamsatcom.com
Field replacement procedure –
Doc. No.: 97-178838-A
Replacing the part:
1. Open the service hatch, loosen the 8 screws.
Do not use a power 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
wrench. Apply the wrench close to the dish, see
the flattened area. Turn anti-clockwise.
Important: Handle the feed horn carefully
and make sure that it does falls down and
gets broken.
4. Disconnect the cable from the RF pack to the
plug marked BUC M&C (a).
5. Remove the cable tie (b).
6. Remove the TX coax cable connector.
(a)
(b)

Page 3 of 5
www.cobhamsatcom.com
Field replacement procedure –
Doc. No.: 97-178838-A
7. Disconnect the X-pol cable.
8. Remove the cable tie.
9. Remove the co-pol cable from the RF pack.
10. Take off the RF Package by turning it anti-
clockwise and lift it off.
11. Leave the 4 loosely mounted screws at the back
of the antenna dish.
12. Take the new RF Pack and put it over the
screws, then turn it clockwise.
Important! Turn the RF Package as far as
possible clockwise, and keep it there until the
screws are tightened.
13. Tighten the 4 screws to 4.5 Nm

Page 4 of 5
www.cobhamsatcom.com
Field replacement procedure –
Doc. No.: 97-178838-A
14. Attach the co-pol cable to the new RF pack.
15. Add the cable tie.
16. Connect the X-pol cable. Tighten to 1 Nm.
17. Connect the TX coax cable connector.
18. Connect the cable from the RF pack to the plug
marked BUC M&C (a).
19. Add the cable tie (b).
20. Mount the feed horn, tighten to 40 Nm.
(a)
(b)

Page 5 of 5
www.cobhamsatcom.com
Field replacement procedure –
Doc. No.: 97-178838-A
21. Switch on the antenna at the ADU power on/off
switch at the antenna control module and check
that the antenna goes through the POST
(antenna can move freely).
22. Close the hatch.
23. Apply copper grease to thread of the 8 screws.
Grease type: Rocol 250, Nulon 90, or Abcon
790.
24. After closing the hatch, make sure to mount all
eight screws before tightening. This is to avoid
that the last screws will misalign.
Do not use a power tool!
25. Tighten the eight screws. 6 Nm
Verify the initialization of the SAILOR XTR ADU:
After replacing the defective component re-initialize the pedestal and verify its operation.
1. Switch on the BDU.
2. Power up the VSAT modem.
3. Perform an Extended POST. Verify that it is completed without any errors or warnings.
4. Verify that the system is online and fully functional.