TM 11-5840-281-12-1
2.14. GENERAL. (CONT)
ARCTIC REGIONS (CONT)
CAUTION
Do not let ice exceed 0.8 inch (2 cm) thick on the azimuth and elevation antenna
drives and the azimuth and two elevation antenna rotary joints. To avoid
damage to equipment, do not chip ice with hammer or sharp instruments.
3. Using electric heater, soldering iron, or torch, remove Ice.
EXTREME WET AND COLD
1. Inspect dehydrator cartridges in waveguide adapters daily. See Dehydrator Cartridge Inspection
2. Inspect for damaged surfaces and surfaces of chipped or peeling paint daily.
3. Check for corrosion and tightness of waveguides and cable connectors daily.
4. Wait 15 minutes before activating TRANSMITTER and HV ON switches when radar set has been turned off
for a long period of time.
5. Remain In standby condition (para 2-11) when possible, rather than turning off equipment.
NOTE
Whenever the TRANSMITTER switch is placed In WIDE PLSE or NAR PLSE
position, HV ON switch must be activated to place transmitter In operation.
6. To reduce video clutter due to precipitation, see Search Operation, Reducing Video Clutter, Precipitation
2-15. EMERGENCY PROCEDURES.
When an equipment malfunction occurs, the radar set should be turned off immediately (para 2-13) and organizational
maintenance personnel notified. Limited operations In an emergency can be maintained under some conditions of partial
equipment failure, after it Is determined that such operation is advisable.
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