Operation (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 reduced level that is still adequate to positively convey the box and to prevent damage of boxes. The regulator setting can be locked by pushing the knob inward.

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 ].

Main Air Pressure Gauge (Figure 3-2) Indicates main air regulator pressure setting. Air regulator should be adjusted so gauge reads 5.2 bar gauge pressure [75 PSIG].

Pneumatic Valve, Drive Assembly Raising

Switch (Figure 3-6)

The Pneumatic Valve Drive Assembly Raising Switch is used to hold the upper drive assembly to its fully raised position for tape threading and maintenance.

To raise the drive assembly, turn the switch to the right. To lower the drive assembly to its fully lowered position, turn the switch to the left.

Figure 3-6—Mechanical Latch, Upper Drive Assembly

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3M MN55144-1000, 10700 manual Mechanical Latch, Upper Drive Assembly