8.4 REPLACEMENT OF MAJOR PARTS
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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.
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.
Step 2: Remove the cover.
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.
Step 3: Remove the motor cable.
Remove the motor cable connected to the
motor control power circuit.
Safety switch
OFF
Hexagon bolts
(4 places)
Motor control
power circuit
Summary of Contents for JMA-5212-4
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Page 18: ... xii NKE 2103 6 6HS Scanner Unit NKE 2254 7 9 6HS Scanner Unit Warning Label Warning Label ...
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Page 45: ...1 4 EXTERIOR DRAWINGS 1 6 1 y Fig 1 1 Exterior Drawing of Scanner Unit Type NKE 2103 4 ...
Page 46: ...1 7 Fig 1 2 Exterior Drawing of Scanner Unit Type NKE 2103 6 ...
Page 47: ...1 4 EXTERIOR DRAWINGS 1 8 1 y Fig 1 3 Exterior Drawing of Scanner Unit Type NKE 2254 7 ...
Page 48: ...1 9 Fig 1 4 Exterior Drawing of Scanner Unit Type NKE 2254 9 ...
Page 49: ...1 4 EXTERIOR DRAWINGS 1 10 1 y Fig 1 5 Exterior Drawing of Monitor Unit Type NWZ 164 ...
Page 50: ...1 11 Fig 1 6 Exterior Drawing of Processor Unit Type NDC 1460 ...
Page 51: ...1 4 EXTERIOR DRAWINGS 1 12 1 y Fig 1 7 Exterior Drawing of Keyboard Unit Type NCE 7699A ...
Page 52: ...1 13 Fig 1 8 Exterior Drawing of NSK Unit Type NCT 4106A ...
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Page 58: ...2 1 2 1 EXAMPLE OF DISPLAY ...
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Page 358: ...7 25 Exit 1 Press RADAR MENU key The Main Menu will reappear ...
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Page 477: ...Figure 8 NKE 2254 Interconnection Diagram of Scanner Unit ...
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