Figure 31: APL exit hatches (highlighted in red)
If you become trapped inside the APL, you can exit the device through
these hatches. The exit hatches do not have mechanical locks, so that
you can escape quickly by pushing them open. Before making your way
to an exit hatch, pull the cable-activated emergency stop device to stop
operation on the APL and the Magnus VLF platesetter.
The exit hatches are part of the safety interlock system. The APL
cannot operate unless both the exit hatches are fully closed. After you
exit the APL, it will not resume operation until you close the exit hatch.
Compressed air supply shutoff valve
The pneumatic system in the platesetter (and the APL, if you have the
APL option) is supplied by an external compressed air power source.
The compressed air supply shutoff valve controls the supply of
compressed air to the system.
The valve is normally left in the on position. Turn the valve to the off
position before replacing the filters in the compressed air supply
system.
Figure 32: Compressed air supply system
WARNING:
Turn the compressed air supply shutoff valve to the off position when
working on air supply filters. Failure to turn off the compressed air supply before
inspecting or replacing a compressed air supply filter will result in high-pressure
air being present in the filter elements and bowl, making disassembly difficult. This
Compressed air supply shutoff valve 29
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