Service Manual SummaSign
REPLACING THE Y-MOTOR
To replace the Y-motor, proceed as follows:
29.Remove the right-hand cover (see Chapter 2.1, Removing the right-hand cover).
30.Remove the connector from the encoder and solder off the black and the red wire to expose the Y-
motor.
31.Remove the three screws holding the Y-motor in place.
32.Remove the Y-motor.
To re-install, proceed in the reverse order of removal. Make sure to firmly tighten all screws.
29. Note:
30. When re-installing:
31. a.Make sure the wire of the connector attached to the encoder runs outward.
32. b.Make sure to solder the black wire to the minus (-) entry and the red wire to
the plus (+) entry. The (+) and (-) signs are located in the corners of the motor's
label.
33. c.Be extremely careful to plug the connector into the correct holes of the
encoder.
34. d.Move the pulley on the motor shaft to prevent the belt from slipping against
the big pulley. Make sure to firmly tighten the set-screw.
35.
Replacement Guidelines 2-11
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