Replacement
WARNING
Switch off the Scanner and disconnect the Power
Cord.
1. (Figure 1): Install the Tachometer Drive Belt over the Motor Pulley.
2. Install the Tachometer Pulley onto the Tachometer Drive Shaft, and
work the Tachometer Drive Belt onto the pulley.
NOTE: Do not tighten the setscrew, yet. Press the pulley down until it
makes contact with the top surface of the shaft bearing.
3. Install the Stall Detect Sensor Assembly, and tighten the two screws.
4. Position the disk on the Tachometer Pulley such that the disk does
not make contact with surfaces of the sensor, and tighten the
setscrew.
5. Manually operate the motor to ensure that the edge of the
Tachometer Drive Belt does not bind against the edge of any pulley.
4/97
REP 4.1.13 4-22 7356 SCANNER
NOTE: If the belt binds, loosen the setscrew on the Tachometer
pulley and adjust the pulley until binding does not occur. Then tighten
the setscrew.
6. Install the Motor Assembly (REP 4.1.12).
7. Install the Left Side Panel (REP 4.1.1).