JRC JMA-5912-6 Instruction Manual page 378

Motor Replacement Procedure for Scanner Unit NKE-2254
(1) Before beginning work, turn off the safety switch
located on the bottom of the stern side of the
scanner unit.
(2) Loosen the hexagonal bolts and remove the cover on the
left (port) side.
(3) Remove the cables connected to the motor driver
circuit board.
(4) Remove the hexagonal bolts (four M8 bolts) and
remove the motor.
Bow direction
Bow
direction
Remove the four
bolts.
Motor
8-23
Turn off the safety
switch.
Loosen the four
hexagonal bolts.
Remove the two
cables.
Motor driver
circuit board