Specifications

Maintenance Manual – SC Cutting Plotter
68 AP-74030, Rev / B
6.3.10. X-motor and drive belt : removal and installation.
Step 1 : Remove the right cover (Please refer to 6.2.1. Covers right and left).
Step 2 : Open the PCB box (Please refer to 6.2.3.PCB box).
Step 3 : Remove the X-motor connector and the X-encoder connector from the Main PCB.
Step 4 : Remove the screws from the X-motor and remove the belt and the motor.
Note :
To reinstall the x-motor perform above steps in reversed order.
1) X-drive belt : Tension adjustment.
Step 1 : From the side of the PCB box (X-motor cover for SC-550), attach a piece of rope (or the pressure
measurement attachment JD-41563) around the motor body as close as possible to the side
plate.
Step 2 : Be sure that the motor screws are not fixed and pull the bar tension gauge (range 5kg, MUTOH
part# JD-41446C) downwards for 3.75 kg ± 0.05 kg).
Turn manually the grid shaft a few turns and fix the motor screws.
Note :
X-drive belt tension for SC-550 = 2.65 kg ± 0.05 kg.
6.3.11. Y-motor and drive belt : removal and installation.
Step 1 : Remove the right cover (Please refer to 6.2.1. Covers right and left) and open the PCB box
(Please refer to 6.2.3.PCB box). If the drive belt need to be removed, remove the left cover too
(Please refer to 6.2.1. Covers right and left).
Step 2 : Remove the Y-motor connector and the Y-encoder connector from the mainboard and pull the
cables out of the PCB box.
Step 3 : Remove the 2 screws from the Y-motor and remove the motor.
Note :
To reinstall the Y-motor perform above steps in reversed order and perform the belt
tension adjustment. (Please refer to point 1) Y-motor and drive belt mentioned below).
Step 4 : (Drive belt removal only)
Release the tension on the Y-drive belt (long) (Please refer to 6.2.8 Y-drive belt (long) step 3).