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Figure 13-5 – Box Drive Assembly, Infeed End
6. Install the new belt around drive rollers and insert new pin. Pin must not extend beyond edge of belt.
7. To set drive belt tension, turn adjustment screws (G) equally on both the upper and lower tension assemblies.
Turn the screws clockwise to increase tension or counterclockwise to decrease tension. See Figure 13-5.
Use a force gauge to pull the belt outward
25mm [1 inch] at mid span, as shown with a moderate pulling force of 3.5 kg [7 lbs].
8. Reverse procedures in Steps 1-3 (Figure 13-4) to reassemble the drive belt assembly.
Important – Before installing new drive belt, check the belt inside surface for drive direction arrows and
install belt accordingly. If no arrows are shown, the belt may be installed either way.
•
To reduce the risk associated with pinch, entanglement and hazardous voltage:
− Turn electrical supply off and disconnect before performing any adjustments, maintenance or
servicing the machine or taping heads
WARNING
13-MAINTENANCE AND REPAIRS (continued)
13.9 Drive Pulley Rings
Before installing a new belt, check the orange plastic
drive pulley rings for wear. If torn, broken, or worn
smooth, replace the rings (Figure 13-6).
Figure 13-6
G
G
G
2011 September
800a3-NA