Software update
98-158751-C Chapter 7: Maintenance and troubleshooting 7-5
7.3 Software update
See Software upload in chapter 5.
7.4 To exchange an LRU
This document describes the procedures for removal and re-installation of the
AVIATOR 700S LRUs:
• CSDU (405045-vvccc).
• SCM (405055-vvccc).
• MCHPA (405015-vvccc).
7.4.1 Time required
The time required for removal and re-installation of an LRU is estimated to 15 minutes.
7.4.2 Tools required
• CSDU: No tools required.
• SCM: No special tools required. Screw driver if fixed with a screw or bolt.
7.4.3 Removal and re-installation of the CSDU (SDU-5045)
Removal
To remove the CSDU do as follows:
1. Ensure that power is removed from the SATCOM system before removing any LRU.
2. Pull and turn to loosen the knurled knob(s) that retain(s) the LRU in the tray.
3. Pull the LRU straight out from the tray by the handle. Be careful not to drop the unit.
Re-installation
To re-install the CSDU do as follows:
1. Insert the LRU straight in the tray by the handle. Be careful not to drop the unit.
2. Make sure that the LRU is completely seated against the mating connector.
3. Pull and turn to fasten the knurled knob(s) that retain(s) the LRU in the tray.
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