Service manual

Motor
Preparations
The exterior cover must be removed prior to proceeding. (980428-101)
Tools:
4mm Allen hex key socket driver
Removal
1. Remove the four (4) M5x14 socket head mounting screws securing the motor to the center
panel. (4mm Allen head socket - 1/4 inch hex shank for use with torque gauge).
2. With the motor loose, disconnect the belt and then the motor cable from the motor.
Installation
1. Attach the motor cable to the new motor.
2. Insert motor, but leave the mounting screws loose.
3. Re-install the belt around the 42-tooth pulley on the platen and the motor pulley.
4. Tighten the belt by sliding the motor toward the rear panel. Secure the motor in place. Refer to
Platen Belt and Motor Adjustment procedure, 980428-153, for setting the recommended belt
tension.
980428-129 Rev. 1 Prelim. 49
CENTER PANEL
HEX NUT
LOCK WASHER
FLAT WASHER
CABLE
TO
MAIN PCB
Spiral
Wrap
MOTOR
CABLE
CONNECTOR
PULLEY
SOCKET
HEAD
SCREWS
STEPPING
MOTOR
0.070 inch
Gap
Pulley
Reference - Do Not Disconnect Pulley