Technical Manual

SRT X-BAND RADAR SYSTEMS
CORRECTIVE MAINTENANCE
304202P003 6.4 Rev. C
reverse order
6.2.5 Replacement of the Brushless Motor
Controller
a) Required Tools
− Set of screwdrivers;
− Set of hexagonal wrenches.
b) Removal
1. By following the procedures of paragraph 6.2.3, open the
TXRX Cover
2. Disconnect the Brushless Motor Controller (Chapter 9,
Figure 9.1.4 pos. 5) cables, taking note of their
disposition
3. By means of the proper socket wrench, unscrew the 4
screws (pos. 10) fixing the Brushless Motor Controller to
the mechanical frame
4. Remove the Brushless Motor Controller.
c) Installation
1. Check for the integrity of the new Brushless Motor
Controller
2. In order to install the Brushless Motor Controller, perform
the removal operations in reverse order without closing
the cover
4. Close the cover following the procedures of paragraph
6.2.3
6.2.6 Replacement of the Magnetron
a) Required Tools
− Set of screwdrivers,
− Set of open wrenches,
− Set of hexagonal wrenches,
− Silicone grease compound 340.
b) Removal
1. By following the procedures of paragraph 6.2.3, open the
TXRX Cover
2. Unscrew the 4 screws holding protection shield (Chapter
9, Figure 9.1.6, pos. 9)
3. Unplug yellow and green cables loosing the 2 bolts
4. Unplug the yellow-green earth cable