3, back to gas: 2 Two-2DT pass solenoid valve, air into the vacuum chamber, vacuum gauge pointer back to zero, relying on the hot rack reset reset spring, vacuum chamber openings.
4, the cycle: the vacuum chamber will be moved to another vacuum chamber, that is, a working process into the next, around the turn of the work of two rooms, cycle.
Vacuum packing machine use and maintenance instructions and pay attention to matters
(a), check whether the supply voltage, (three-phase four-wire single-phase 380V or 220V), grounding is good, built-in connector is solid.