Cautions and Maintenance of laser engraving machine
1.Please clean the machine after working every day .While cleaning , the crossbeam and Larry can be pushed gently and carefully in the condition that the power is turned off .Do not pull it strongly . 
2.The minimum amount of cooling water should not be less then 30L . Make sure that the water can submerge the submersible pump .
3.If there is any question , please contact our custormer Service Department
4.Water tank , water pump and water inlet and out rubber tube should be cleaned once every four days.
5.Please clean the 1# and 2# reflecting lens on the machine carefully , otherwise , the ray path need readjustment !
6.If there is no special requirements, the ray intensity should be less then 80 percent, thus to avoid the tube aging quickly.
7.Water temperature should be examined at all times duing the working process . Once the water turns to warm , please change it righe away (the righe way of changing water is to get out of some hot water and fill
8.   Please clean the working platform every time after working . Do not make dust flying in cold water ).
9.Please pay attention to the focal length before starting the machine every time . The accuracy of focal
10.Users should follow all the above-mentioned regulations carefully . Otherwise the manufacturer will not take responsibility for any troubles of the machine or physical in juries .
11.Lens should be cleaned once every day before starting the machine (Notice: It is not the time of being off duty).
12.The outer equipments (blower fan ,air pump ,etc .) should be cleaned once every two weeks .
length will greatly affect the carving effects .
13.Do not use circulating water of poor quality , because it may affect the laser power seriously and shorten the serice life of laser tube . The manufacturer is not responsible for repairing the laser tube damaged by the using of poor-qualified water .It is suggested to use purified water or distilled water .
14.   Guide rails should be cleaned and lubricated once exery two weeks .
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