1.
Remove the Drive Assy
2.
Disconnect the connector of the stepper motor.
3.
Remove the four cap screws (M4x16), with spring washers, and remove the
stepper motor.
4.
Loosen the 2off grub screws (M3x6) fastening the coupling onto the shaft of the
stepper motor. Remove the coupling.
5.
Refit the coupling onto the shaft of a new stepper motor.
Note: When fastening the coupling, make sure that the shaft does not stick out from
the recessed edge. (As shown below)
6.
Insert the spider (rubber) between the couplings, refit the new stepper motor to
the Drive Assy and connect the connector (6P).
7.
Refit the Drive Assy to the Cabinet Assy.
Apply Loctite 246
Grub screw
(M3x6)
Cap screw
(M4x16)
with washer
Stepper Motor
Motor Shaft
(see 6-10 page 52).
Connector
Coupling for Motor
Spider
(Rubber)
1mm
Motor Shaft
Coupling for Motor
Page 55
Spider (rubber)
Collar
Coupling for Drive Assy
Shaft
0.5mm
Collar
Shaft
Coupling for Drive Assy