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187
SAILOR FleetBroadBand
Training Manual
6
6.2.7 R&R of Azimuth Stepmotor
Figure 6-11 and 6-12: TT-3052A ADU, Azimuth Stepmotor
Removal
:
1. Remove the Radome Top as described in the previous section
Remove & replacement of Radome Top
.
2. Disconnect the plug from the Azimuth Stepmotor and the jack,
assembled in right hand side of the Azimuth Motor arm.
3. Unscrew the four (4) M4 Allen screws (one in each corner
of the motor) holding the Azimuth Stepmotor in position, put
aside as they are going to be reused in the replacement of the
Azimuth Stepmotor.
4. Remove the tension of the drive belt by unscrewing the four (4)
Torx-8 screws (located at the side of the arm fixing the motor-
“sledge” to the arm) and slide the motor-“sledge” towards the
Rotary Joint. Put aside the Torx-8 screws as they are going to
be reused in the replacement of the Azimuth Stepmotor.
5. Unstring the drive belt from the Azimuth Stepmotor pulley.
6. Retract the motor with pulley through the hole in the motor-
“sledge”.
Replace
:
1. Install the new Azimuth Stepmotor (S-88-127261-A) through
the hole in the motor-”sledge”.
2. Thread the drive belt over the pulley.
3. Insert, but do not tighten, the four (4) Torx-8 screws (removed
in above
Removal
: step 4) fixing the motor-”sledge” to the
arm.
4. Check the position of the pulley on the shaft of the Azimuth
Stepmotor, so that the drive belt has a straight line between
the drive pulleys.
5. Tighten the four (4) Torx-8 screws with no more than 1.2 Nm.
NOTE!
Remember to release
connector latch on the before
pulling it off.
NOTE!
Do not pull the wires - pull the
plug.
NOTE!
Orientate the Elevation
Motor so that the wires from
the motor can reach the
connection point.
NOTE!
The tension of the drive belt
should be identical to the
rest of the drive belts in the
antenna.
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 ...
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Page 257: ...R R of EXP 325Antenna ...
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