JRC JMA-5212-4/6 User Manual page 429

How to replace a 25 kW antenna motor
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.
Step 2: Remove the cover.
Step 3: Remove the motor cable.
8.4 REPLACEMENT OF MAJOR PARTS
Safety switch
OFF
Hexagon bolts
(4 places)
Motor control
power circuit
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When replacing a motor, make sure to
first turn off the antenna safety switch.
The switch is at the rear bottom of the antenna.
Turn off the switch.
The motor is placed on the left hand side (port
side) of the antenna.
Therefore, remove the left cover.
The cover is fixed with 4 hexagon bolts (M8
captive screw).
Place the cover in a safe place.
Prevent dust from being attached to the gasket.
Remove the motor cable connected to the
motor control power circuit.
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