13-MAINTENANCE AND REPAIRS (continued)

13.9Box 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

WARNING

•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.

13.10 Box Drive Belt Tension

The four (4) continuously moving drive belts convey boxes through the tape applying mechanism. The box drive belts are powered by an electric gear motor.

Tension adjustment of these belts may be required during normal operation (for Belt Tension Adjustment - refer to Box Drive Belt Replacement). 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 in- feed 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 3.5kg [7lbs.] applied at the mid span, as shown in Figure 13-7, will deflect the belt 25mm [1 inch]. This will assure positive contact between the belt and the drive pulley on the discharge end of the drive assembly.

 

Box Drive Belt

 

3.5kg (7lbs) Pull Force

 

 

 

 

 

with 25mm (1 inch) at Mid span

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Discharge End

 

 

 

Infeed End

 

 

 

 

 

 

 

Figure 13-7 Box Drive Belt Tension Adjustment

(Tension Adjustment continued on next page)

700aks-NA

32

2011 October

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3M 40800 operating instructions Maintenance and Repairs Box Drive Pulley Rings, Box Drive Belt Tension
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40800 specifications

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