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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.
Содержание Sailor 250 FleetBroadband
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Страница 34: ...24 1 Chapter 1 Inmarsat Network Figure 1 34 Return direction connection bearers ...
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Страница 37: ...Product Presentation ...
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Страница 71: ...Installation ...
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Страница 174: ...164 Chapter 5 Troubleshooting 5 Example Terminal LED steady green Antenna LED steady green Figure 5 77 Figure 5 78 ...
Страница 178: ...168 Chapter 5 Troubleshooting 5 Example GPS module defective Figure 5 86 Figure 5 87 Figure 5 88 Figure 5 89 ...
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Страница 270: ...TT 100 MSO 030207 www cobham com satcom ...