GRAPHTEC CUTTING PRO FC3100-60 Service Manual page 65

Replacing the Y Motor Pulley
(1) Perform Steps (1) through (4) of "Replacing the Y Drive Belt" in Subsection 4.2.4.
(2) Remove the Y motor as shown in Fig.4-66.
* Be careful not to damage the Y motor pulley.
* Four M3 x L8 pan-head with flat washer screws
(3) Remove both the Y drive belt and Y drive pulley.
(4) Remove the Y motor pulley.
* Be sure not to lose the set screws.
* Note that the motor pulley may be hard to remove.
• Two M3 x L3 set screws
(5) To attach the Y motor pulley, reverse the above procedure with special attention to the following
points.
* As shown in Fig.4-67, position the motor pulley so that its set-screws fit into the D-shaped cutout
of the motor shaft.
Fig. 4-66
Fig. 4-67
4 - 29
FC3100-60 Service Manual
P/N53802-031T Rev. A