Technical Manual

SRT X-BAND RADAR SYSTEMS
CORRECTIVE MAINTENANCE
304202P003 6.6 Rev. C
c) Installation
1. Check for the integrity of the new RF_Detector Assy
2. In order to install the RF_Detector Assy, perform the
removal operations in reverse order without closing the
Pedestal cover
3. By following the procedures of display manual, perform
the VCO calibration
4. Close the Pedestal cover following the procedures of
paragraph 6.2.3
6.2.8 Removal/Installation of the Electronics
Assy
a) Required Tools
− Set of screwdrivers,
− Set of open wrenches,
− Set of hexagonal wrenches,
b) Removal
1. By performing the operations of paragraph 6.2.3, open
the SRT cover
2. Unscrew the 4 screws holding protection shield (Chapter
9, Figure 9.1.6, pos. 9)
3. Remove the Electronics Rack cabling connectors, taking
note of their position. Table 6.2.2 - Connectors of the
Electronics Rack describes connectors to be removed
and their position in the Pedestal Unit.
4. By means of the proper screwdriver, unscrew the four
screws (Chapter 9, Figure 9.1.29, pos. 1) fixing the Elec-
tronics Rack to the SRT cover.
5. Extract the Electronics Rack from the cover paying at-
tention to the cables and to the Waveguide joint Chapter
9, Figure 9.1.31, pos. 1)
c) Installation
1. Before installing the new electronics assy, remove the
EEPROM U30 from the SRT_Control Board of the old
Electronics Rack and replace it in the SRT_Control Board
of the new one. If this operation is skipped, then the unit
must be set up manually from blank to recover values
and settings stored in the old board EEPROM.
2. In order to install the Electronics Rack, perform the
Removal operations in reverse order