Service manual

Avantra 36/44 Service Manual
2-24 Functional Analysis
2.13.5.2 Vacuum Valves
The pump vacuum lines attach to valves, which are controlled by the system soft-
ware in accordance with the width of the media. Any width below 26 inches causes
one of the valves to open. Any width over 26 inches causes both valves to open.
Figure 2-12 The vacuum valves.
➀–Two valves. ➁–Indicators. ➂–Vacuum pump.
2.13.5.3 Vacuum Board
The vacuum board controls the vacuum pump and the vacuum valves. Refer to
Figure 2-12. On/off information for the pump and valves comes to the vacuum
board via the DEC board.
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