Drive Belt System; Inspecting The Drive Belts; Replacing The Motor Drive Belt - Honeywell Precision Platform 4022 Series System Manual

Scanner Maintenance

9.6. Drive belt system

9.6.1. Inspecting the drive belts

9.6.2. Replacing the motor drive belt

p/n 6510020208
Inspect the drive belts looking for
• Excess wear on teeth or belt edges
• Exposed fiber strands
To replace the motor drive belt (see Figure 9-4):
1. Remove the beam covers adjacent to the cable end support using
the procedure described in Subsection 9.1.7.
WARNING
2. Scan the heads offsheet on the cable end of the scanner and turn off
the Motor Power keyswitch (see Figure 9-9).
3. Loosen the encoder and slide it away from the motor drive belt.
4. Remove the motor drive belt. This can be achieved by loosening the
3/8"-16 motor bracket fastening bolts and turning the belt adjuster
bolt counterclockwise to loosen the belt tension. Slide the belt off
the large-toothed gear and then remove it from the motor pulley.
5. Install the new motor drive belt by placing the belt over the small
pulley on the drive motor, then placing the belt on the large
toothed gear and slowly rotating the gear until the belt is seated.
6. Adjust the tension of the motor belt by using the belt adjuster bolt
located below the motor. The motor bracket attachment bolts must
be loosened before adjustments can be made. The encoder fasteners
must be loose and the encoder pushed away from the motor belt.
The motor belt should deflect 3 mm (1/8") with a 1.4 kg (3 lb) force
To perform any maintenance, troubleshooting, or
:
replacement of components, ensure that power is
disabled at the breaker.
10/18/07
Drive belt system
9-19