SATO 9001226(A) Service Manual page 201

7.10 REPLACING STEPPER MOTOR (cont'd)
Carefully withdraw the Power Route assembly (2) with the Stepper motor (7) attached on the other side.
7.
Unscrew four screws (6) securing the Stepper motor (7) to the Power Route assembly (2). Carefully
8.
remove the Stepper motor (7) from the timing belt.
Loosen two Hexagon socket set screw (w point) (8) with a Hex wrench and remove the Motor pulley
9.
(9) from the Stepper motor shaft .
Replace the Stepper motor as necessary.
10.
After replacement, adjust the ribbon tension according to the procedure in Section 6.19 Adjusting Timing
11.
Belt Tension .
CAUTION:
A PROPERLY TENSIONED BELT WILL BE JUST ENOUGH TO PREVENT SLIPPAGE.
AN OVERLY TENSIONED BELT WILL EXCESSIVELY INCREASE DRAG ON THEIR
PULLEYS AND INCREASE COMPONENT WEAR.
Reverse the above procedures for reassembly.
12.
Bundle the cables together not to interfere with the sliding motion of Gap sensor. Arrange all the wiring har-
nesses to ensure that they are not pinched during installation.
TG3 Series Service Manual
2
7
6
Section 7: Replacement Procedures
8
9
Hex
wrench
Page 7-17