Maintenance (Continued)
WARNING
•To reduce the risk associated with mechanical and electrical hazards:
−Turn electrical and air supply off and disconnect before performing any adjustments, maintenance, or servicing the machine or taping heads
Circuit Breaker
The case sealer is equipped with a circuit breaker which trips if the motors are overloaded. Located inside the electrical enclosure on the side of the machine frame. The circuit breaker has been preset at the factory to 4.5 amps and requires no further maintenance.
If circuit is overloaded and circuit breaker trips:
1.Determine cause of overload and correct.
2.Rotate the switch mechanism to the "O" (Off) position then to "I" (On). If circuit breaker will not reset, wait 2 minutes and retry.
Knife Replacement, Taping Head
See Section II,
Box Drive Belt Replacement
3M recommends replacing drive belts in pairs, especially if belts are unevenly worn.
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 4-1—Drive Pulley Rings
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