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8.4  REPLACEMENT OF MAJOR PARTS 
 
 
The system includes parts that need periodic replacement. The parts should be replaced as scheduled. Use of 
parts over their service life can cause a system failure. 
 
 
WARNING 
 
 
 
Direct exposure to electromagnetic waves at close 
range will have adverse effects on the human 
body. When it is necessary to get close to the 
scanner for maintenance or inspection purposes, 
make sure to turn the indicator power switch to 
"OFF" or "STBY." 
Direct exposure to electromagnetic waves at close 
range will have adverse effects on the human 
body. 
 
 
 
 
 
 
 
 
When conducting maintenance work, make sure to 
turn off the power and unplug the power connector 
J1 of the radar process unit so that the power 
supply to the equipment is completely cut off. 
Some equipment components can carry electrical 
current even after the power switch is turned off, 
and conducting maintenance work without 
unplugging the power connector may result in 
electrocution, equipment failure, or accidents.