Stepper Band - OEM Thinline TM50-1 Operating And Service Manual

2. Align the mounting block with the sensor over the hole on the
top, left-hand front of the drive, and secure it with a
Number 1 Phillips screw.
3. Route the cables and plug Pll into the connector on the
control and data circuit board.
4. Wrap the cables, as required.
STEPPER BAND
Removal
1. Remove the control and data circuit board.
2. Remove the chassis shield.
3. Remove the power input plug.
4. Loosen the Number 1 Phillips screw on the stepper motor shaft
(Figure 6-5).
CAUTION
WHILE HOLDING THE HEAD ASSEMBLY DURING REMOVAL
OF THE STEPPER BAND, TAKE CARE TO PROTECT THE
UPPER HEAD ASSEMBLY.
5. Hold ing the head assembly toward the rear of the dr i ve,
depress the spring tension plate at the rear of the head
assembly toward the stepper shaft to the front of the drive.
The stepper band will detach from the clip portion of the
tension plate.
CAUTION
DO NOT BEND THE STEPPER BAND.
6. Remove the tension plate and the spring from the head
assembly.
7. Remove the screw from the stepper motor shaft.
CAUTION
DO NOT BEND THE STEPPER BAND.
8. Lift the stepper band from the stud at the front of the head
assembly and from the stepper shaft.
6-8