COBHAM SAILOR GMU 407023A 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
TracStar Systems Inc., Orlando, USA
Omnipless Manufacturing (Pty) Limited, Cape Town, RSA
www.cobham.com/satcom
SAILOR GMU 407023A FAN Replacement procedure
Brief Summary:
Field replacement document for replacing the GMU fan’s
Action:
Note that below action will require working in the power supply, and failing to follow the
below guide can cause electrical shock.
Tools needed
Tools needed:
Torque wrench (0.5 –2.0 Nm)
Torx 10 bit
Wrench
Spare part Kit:
S-67-165735 Fans for 407023A - GMU
Cobham SATCOM
Global Technical Service dept.
Date: January 2019
Document Number: 97-165674-A

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Spare part instruction –SAILOR GMU 407023A FRP Fan
Doc. No.: 97-165674-A
Revision: A
Replacing the part:
Disconnect the mains plug.
1. Leave the ACU for 10 min for the power
supply to discharge.
2. Remove the ACU lid by removing the 12
screws on the top and the 2x5 screws on the
sides.
3. Cut open the three cable tights
4. Remove using a Torx 10.
5. Disconnect the fans.
6. Remove eight screws / nuts using a wrench /
Torx 10.
7. Remove the fans

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Spare part instruction –SAILOR GMU 407023A FRP Fan
Doc. No.: 97-165674-A
Revision: A
8. Install the new fan as shown.
Install the eight screws holding the fan.
0.5Nm
9. Connect the fans
10. Install the new cable tights. 0.5Nm
(Make sure to loop the left over wire)
Cut the cable tights
11. Mount the ACU lid, installing the 16 screws
on the top and the 2x7 screws on the sides.
1.0Nm
Verify the Initialization of the SAILOR VSAT ADU:
After replacing the defective component re-initialize the pedestal and verify its operation.
1. Verify that the VSAT POST is completed without any errors / warnings.
2. Then verify that the system is online and full functionality is restored.