Scanner Unit Nke-1125/2254 - JRC JMA-7133-SA Instruction Manual

JMA-7100 Instruction Manual
[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
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.
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8.COUNTERMEASURE FOR TROUBLE ...
) and remove the cables
8－ 31
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8.4 REPLACEMENT OF MAJOR PARTS
Remove the
Remove the
two cables.
four bolts.
Motor
Motor driver circuit
Motor driver
circuit board
Motor
8
Remove the
four bolts.