Doppler Weather Radar - METNET - India Meteorological Department
Doppler Weather Radar - METNET - India Meteorological Department
Doppler Weather Radar - METNET - India Meteorological Department
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• Detection of deterioration caused by exposure to the elements (corrosion, sand, dust,<br />
moisture, fungus, salt, etc.)<br />
• Detection of excessive wear of mechanical parts<br />
• Cleaning or replacement of filters and general housekeeping tasks<br />
• Cleaning, replacement or topping-off of essential fluids and greases<br />
• Performing operational checks under test and inspection conditions.<br />
These procedures are contained in the other WSR-98D/S Manuals. The equipment maintenance<br />
manuals also provide specific reference to selected commercial manuals for additional PM<br />
procedures.<br />
Why we need for Preventive maintenance?<br />
- Prevention is better than cure - Needed for system reliability<br />
- Help to correct grey faults - Build familiarity & confidence<br />
The following Table showing periodic preventive maintenance is required for various subsystems<br />
of <strong>Radar</strong><br />
Month<br />
Sub-System<br />
Antenna<br />
Servo<br />
Nature of<br />
Préventive<br />
maintenance<br />
& Monthly<br />
Visual Check<br />
Sound Check<br />
3-monthly<br />
Lubricant Check<br />
Slip ring Cleaning<br />
6-monthly<br />
Lubricant Quantity<br />
Leakage Check<br />
Angle setting and<br />
error check<br />
Yearly<br />
Grease Supply<br />
Lubricant Change<br />
Friction Torque<br />
Check Slip ring, Brushes<br />
Check<br />
Limit Switch<br />
Function Check<br />
Servo Voltage,<br />
Frequency Check<br />
1 2 3 4 5 6 7 8 9 10 11 1 2<br />
o o o o o o o o o o o o<br />
o<br />
o o o o<br />
o<br />
o<br />
43
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