8.4    REPLACEMENT OF MAJOR PARTS 
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How to replace a 4kW antenna magnetron 
Make sure that all radars are turned off before replacing the magnetron (if there are multiple radar devices, turn 
them all off).    It is also recommended that the breaker be turned off for safety. 
Step 1: Remove the radome. 
The radome is fixed with 6 hexagonal bolts. 
The figure below shows the positions for 6 bolts. 
 
        Place the removed radome in a safe place. 
   Be sure not to be blown off by the wind. 
 
 
Step 2: Remove the equipment cable. 
Remove the connectors of the equipment cable connected to the transceiver unit. 
Remove the cable clamp fixing the 
equipment cable. 
  (You do not need to remove the equipment 
cable from the scanner unit.) 
 
 
 
 
 
 
 
 
 
Step3 Remove the motor cable, the 
Bottom view