JRC JMA-7110-6XA, Instruction Manual

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JMA-7100 Instruction Manual
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8.COUNTERMEASURE FOR TROUBLE ...
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8.4 REPLACEMENT OF MAJOR PARTS
8
－
31
8
[Operation check]
After you have completed the replacement work, follow the procedure below to
check the operation.
1) Turn on the radar power supply. After the countdown is completed, start emission and
check that the radar image appears without error. Check that you do not hear any
unusual sound when the motor starts, rotates, and stops.
2) Open the service engineer menu to initialize the motor rotation time.
8.4.3.2 Scanner Unit NKE-1125/2254
[Required tools]
•
Single-ended wrench (width across flats 17 mm for M8
bolts)
•
Tools for removing the cover from the scanner unit.(Refer to the 8.4.2.2)
[Replacement procedure]
1) Remove the cover on the left (port) side
(see Section
8.4.2.2
) and remove the cables
connected to the motor driver circuit board.
2) Remove the hexagonal bolts (four M8 bolts)
and remove the motor.
3) Remove the hexagonal bolts (four M8 bolts)
and remove the installation plate from the motor.
Motor
Motor driver circuit
Remove the
four bolts.
Remove the
two cables.
Motor
Motor driver
circuit board
Remove the
four bolts.