JRC JMA-5212-4/6 User Manual page 421

How to replace a 10 kW 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: Turn off the antenna safety switch.
Safety switch
Step 2: Remove the bolts and open the top cover.
Joint fitting
Hexagon bolts (4 places)
8.4 REPLACEMENT OF MAJOR PARTS
The switch is at the rear bottom of the antenna.
Turn off the switch.
OFF
The top cover is fixed with 4 hexagon bolts
(M8 captive screw).
Remove the bolts and fully open the top cover
such that the stopper of the joint fitting is
locked.
Release the stopper of the joint fitting
before closing the top cover.
8 26
When replacing a motor, make sure to
first turn off the antenna safety switch.
* When closing the top cover
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