Honeywell Precision Platform 4022 Series System Manual page 201

Scanner Maintenance
N :
i
OTE
p/n 6510020208
Replace both belts (upper and lower) when either one requires
replacement.
To replace the head drive belts:
1. Send the heads offsheet to the cable end of the scanner.
2. Turn off the Motor Power keyswitch.
WARNING
3. Remove the upper and lower beam covers. See Subsection 9.1.7.
4. Remove both ends of the upper belt from the belt tighteners where
they are mounted to the head carriage belt support bracket and
remove the belt from the scanner.
5. Lay the old belt on the floor next to the new belt, and cut it to the
same length.
6. Feed the new belt through the pulleys and re-wrap it around the
belt tighteners at the belt support bracket. Refer to assembly
drawings.
7. Make sure the belt is placed correctly on all drive belt supports
located in the beam.
8. Make sure the belt is not twisted and that it is properly located on
each pulley.
9. Repeat steps 4 through 8 for the lower belt.
10. Adjust the upper belt tension such that the belt is correctly
tensioned using the belt tension tool. See Subsection 9.6.3.
11. Adjust the lower belt tension so that the belt hangs loose between
the beam belt supports. Check head alignment. The belt will need
To perform any maintenance, troubleshooting, or
:
replacement of components, ensure that power is
disabled at the breaker.
10/18/07
Drive belt system
9-25