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Chapter 6
Removal & Replacement
6
6.2.6 R&R of HPA Module (High Power Amplifier)
Figure 6-10: TT-3052A ADU, HPA
Removal
:
1. Remove the Radome Top as described in the previous section
Remove & replacement of Radome Top
.
2. Disconnect the seven (7) plugs indicated above.
3. Carefully lift the four (4) cable holders two (2) on the front of
the HPA and two (2) at by the top left corner and release the
cables.
4.
At the rear side of the HPA, unscrew the four (4) big finger nuts,
put aside as they are going to be reused in the replacement
of the HPA.
5. Carefully remove the HPA from the pedestal (the fan of the
HPA is to be slide out the pedestal).
Replace
:
1. Slide carefully the new HPA (S-62-124671) into position with
the fan of the HPA into the pedestal. Fit the studs on the rear
side of the HPA into the pedestal.
2.
Fasten the four (4) finger nuts (removed in above
Removal
:
step 4) with no more than 1.2 Nm. Reconnect the plugs make
sure that they are properly fitted.
3.
Carefully lift the cable holders and fit the cables in the
holders.
4. Reinstall the Radome Top as described in previous section
Remove & replacement of Radome Top
.
NOTE!
Remember to release
connector latches on the plugs
(the seven (7) squared plugs)
before pulling them off.
NOTE!
Do
not
pull the wires - pull the
plugs.
NOTE!
A click should be heard when
the plug is fully inserted.
Summary of Contents for Sailor 250 FleetBroadband
Page 1: ...FleetBroadband Installation Training manual Commissioning and On Board repair ...
Page 2: ......
Page 4: ......
Page 9: ...Inmarsat Network ...
Page 10: ......
Page 34: ...24 1 Chapter 1 Inmarsat Network Figure 1 34 Return direction connection bearers ...
Page 36: ......
Page 37: ...Product Presentation ...
Page 38: ......
Page 70: ......
Page 71: ...Installation ...
Page 72: ......
Page 107: ...97 SAILOR FleetBroadBand Training Manual 3 ...
Page 108: ......
Page 109: ...Interfaces ...
Page 110: ......
Page 132: ......
Page 133: ...Repair ...
Page 134: ......
Page 165: ...155 SAILOR FleetBroadBand Training Manual 5 Figure 5 59 ...
Page 186: ......
Page 187: ...Removal Replacement ...
Page 188: ......
Page 217: ...207 SAILOR FleetBroadBand Training Manual 6 ...
Page 218: ......
Page 219: ...Software Upload ...
Page 220: ......
Page 221: ...211 SAILOR FleetBroadBand Training Manual 7 Figure 7 1 ...
Page 230: ......
Page 231: ...System Test ...
Page 232: ......
Page 236: ......
Page 237: ...Abbreviation ...
Page 238: ......
Page 242: ......
Page 243: ...R R of EXP 727Antenna ...
Page 244: ......
Page 255: ...245 SAILOR FleetBroadBand Training Manual 10 ...
Page 256: ......
Page 257: ...R R of EXP 325Antenna ...
Page 269: ......