7-INSTALLATION AND Setup (continued)

For boxes which are fully packed with products that support the top flaps, the adjustment of this regulator is not critical since the boxes can support the pressure of the upper frame (drive belts) at a wide range of regulator settings. However, if under-filled or fragile boxes are sealed, this regulator can be used to set the upper frame pressure to a minimum that is still adequate to positively convey the box and to prevent damage of boxes. The regulator setting can be locked by securing the lock nut on the regulator shaft as shown in Figure 7-17.

Note – A precision regulator is used to balance the top drive assembly. Due to the self-relieving feature of this regulator a small amount of air will continually vent to the atmosphere. This is normal and amounts to approximately 3 liter/min [0.1 SCFM ].

8. Main Air Pressure Gauge

Indicates main air regulator pressure setting. Air regulator should be adjusted so gauge reads 5 bar gauge pressure [70 PSIG].

9.Mechanical Latch, Upper Drive Assembly

Figure 7-18

The mechanical latch is provided to hold the upper drive assembly at the fully raised position for tape threading and maintenance.

To raise and latch the upper drive assembly:

1.Push and hold the upper frame-raising switch "A".

2.Push and hold latching knob "B".

3.Release switch "A".

4.Release knob "B".

5.Shut off air supply.

To release and lower the upper drive assembly:

1.Turn on air supply.

2.Push and release switch "A".

B

A

Figure 7-18 – Mechanical Latch, Upper Drive Assembly

10.Indicator, Air Pressure

An "Optical Warning Indicator" for the compressed air circuit of the machine is located on the upper drive assembly just behind the red "Stop" button.

When indicator is "Red", air circuit is on.

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3M 40800 operating instructions Installation and Setup, Main Air Pressure Gauge, Mechanical Latch, Upper Drive Assembly

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