Consilium SRT, Техническое руководство

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SRT X-BAND RADAR SYSTEMS
PREVENTIVE MAINTENANCE
304202P003 4.5 Rev. C
CARD 2
UNIT OPERATION PERIODICITY
SRT 12 KW
X-BAND
Internal inspection and general cleaning S2
PERSONNEL REQUIRED INSTRUMENTS REQUIRED TIME
1R Set of screwdrivers, Electro Contact Cleaner, Soft brush,
Primer, Paint, Emery paper, Soft cloth 15 minutes
SAFETY PRECAUTIONS
On the electric switchboard, set to OFF the Main Line Breaker relevant to the unit and hang to it
a placard reading "WORK IN PROGRESS - DO NOT SWITCH ON"
STEP SEQUENCE OF OPERATIONS
Preliminary Operations
1. Position the Antenna as shown in Chapter 9, Figure 9.1.1.
2. Unscrew and remove the four screws (Chapter 9, Figure 9.1.4, pos. 1) locking the cover
(pos. 2) and open the former.
Internal Multipin Connectors and Cables Inspection
3. Check the conditions of each connector electric contacts (pins and plugs), connector
packing and of its cable. Clean contacts by using Electro Contact Cleaner. Repair or
replace, if necessary, any defective part.
Mechanical Checks
4. Check the gear integrity. Add grease if the gear shows lack of lubrication.
5. Check, carefully, that all cabinet internal screws are not loose.
6. Replace or tighten firmly as necessary.
General Cleaning
7. Cleaning is necessary only when layers, often dark layers, can be clearly seen on some
areas. If these layers are visible, they must be removed with a dry cloth. Only if really
necessary, repeat the procedure with cloth dampened in carbon tetrachloride. A special
brush for cleaning, of appropriate size, may also be used. If and when necessary use
an air-brush to remove dust from inside the pedestal.
8. By using a soft brush and alcohol, remove dust, ash and grease from the internal
components.
9. Dry the surfaces by using a soft cloth.
10. By using a soft brush and alcohol, remove dust, ash and grease from the external
surfaces of the cabinet.
11. Dry the surfaces by using a soft cloth.
Final Operations
12. Close the equipment cover by following the reverse procedure.
13. Grease the fastening screws to avoid corrosion and facilitate future inspections and fix
the cover.
14. On the electric switchboard, set to ON the power breaker relevant to the unit and
remove the warning placard.