JRC JMA-5912-6 Instruction Manual page 379

(5) Remove the hexagonal bolts (four M8 bolts) and
remove the installation plate from the motor.
(6) Attach the installation plate to the replacement
motor. Do not forget to tighten the hexagonal
bolts to an appropriate torque (210 kgf-cm) so they
are free of looseness.
(7) Install the motor into the scanner unit. Press the motor
against the protrusions of the arm fixed to the motor on
which the arm extends through the wall of the casing,
adjust it to minimize backlash, and fix it in place.
Do not forget to tighten the hexagonal bolts, to an
appropriate torque (140 kgf-cm) so they are free of
looseness.
(8) After having installed the motor, grease the gear wheel.
(9) After having replaced the motor, reassemble the unit by following the disassembly procedure in the
reverse order.
Do not forget to tighten the bolts and screws, and do not forget to reconnect the cables.
8.4 Replacement of Major Parts
Motor
Installation plate
Arm protrusions
8-24
Remove the four
bolts.
Tighten the four
bolts.
Press
Grease here.
8