Service Manual SummaSign
REPLACING THE X-MOTOR IN THE MODELS 500, 610 AND THE OLD
MODEL 750
To replace the X-motor in these models, proceed as follows:
17.Remove the left-hand cover (see Chapter 2.1, Removing the left-hand cover).
18.Remove the connector from the encoder and solder off the black and the red wire to expose the X-
motor.
19.Remove the three screws holding the X-motor in place.
20.Remove the X-motor.
To re-install, proceed in the reverse order of removal. Make sure to firmly tighten all screws.
16. Note:
17. When re-installing:
18. a.Make sure the wire of the connector attached to the encoder runs outward.
19. 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.
20. c.Be extremely careful to plug the connector into the correct holes of the
encoder.
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.
Replacement Guidelines 2-7