SATO TG308, Руководство по обслуживанию

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Section 7: Replacement Procedures
TG3 Series Service Manual
Page 7-17
7.10 REPLACING STEPPER MOTOR (cont’d)
7.
Carefully withdraw the
Power Route assembly
(2) with the
Stepper motor
(7) attached on the other side.
8.
Unscrew
four screws
(6) securing the
Stepper motor
(7) to the
Power Route assembly
(2). Carefully
remove the Stepper motor (7) from the timing belt.
9.
Loosen two
Hexagon socket set screw (w point)
(8) with a
Hex wrench
and remove the
Motor pulley
(9) from the
Stepper motor shaft
.
10.
Replace the
Stepper motor
as necessary.
11.
After replacement, adjust the ribbon tension according to the procedure in
Section 6.19 Adjusting Timing
Belt Tension
.
12.
Reverse the above procedures for reassembly.
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.
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.
7
2
6
9
8
Hex
wrench