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Box Drive Belt Tension
The four continuously moving drive belts convey boxes through the tape applying mechanism. The box drive belts
are powered by an electric motor.
Tension adjustment of these belts may be required during normal operation. Belt tension must be adequate to
positively move the box through the machine and the belts should run fully on the surface of the pulleys at each end
of the frame. The idler pulleys on the infeed end are adjusted in or out to provide proper belt tension. Each belt is
adjusted separately.
Belt tension is obtained by tightening the adjustment screw so that a moderate pulling force of 3.5 kg [7 lbs.]
applied at the midspan, as shown in Figure 5-1, will deflect the belt 25 mm [1 inch]. This will assure positive contact
between the belt and the drive pulley on the discharge end of the drive assembly.
Note – Figure 5-1 illustrates the lower drive belts; however, upper belts are adjusted in the same manner.
Adjustments
Figure 5-1 – Box Drive Belt Tension Adjustment
• To reduce the risk associated with mechanical and electrical hazards:
− Turn electrical supply off and disconnect before performing any adjustments, maintenance or servicing the
machine or taping heads
WARNING