1, when unpacking the case according to the packing list to check the accessories are complete, check the machine parts if there is a loose screw.
Union unitary type vacuum sealing machine should check whether organic glass cover and rotational flexible, double room should check flexible vacuum cover turn right or left.
2, in front of the boot, parts and oil hole on the activity, charging a moderate amount of lubricating oil of nozzle, at the same time, in accordance with the manual vacuum pump to bring a vacuum pump oil, the fuel injection but by looking at the vacuum pump oil window.
Pay attention to the low oil content of the vacuum pump run time should be make the oil of the oil level is not lower than the oil window height of 1/2, high oil should make oil the oil level of the window is not higher than 3/4 of the oil window height.
3, vacuum degree adjustment
according to the need of the packaged items selection set of extraction time to obtain the appropriate vacuum degree, the longer the extraction time is obtained by the higher vacuum degree, depending on the actual operation results.
4, heat sealing temperature and the adjustment of heat sealing time
according to the different of the packaged goods and packaging materials, set the appropriate heat sealing time and the temperature fork to obtain the seal strength of concrete depends on the actual jostle for results