ANDELI MCT-520DPL Benutzerhandbuch - Seite 4
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7.1.1 Turn on the power switch and the fan inside the machine starts to rotate.
7.1.2 Press the function button and select the desired function to operate.
7.1.3 Turn on the argon switch and adjust the gas flow to the rated standard (see flow meter).
7.1.4 Adjust the ratio of positive and negative current time according to the degree of oxidation of the surface of the workpiece to be welded.
7.1.5 Press the switch on the torch and the solenoid valve starts. You will hear the high-frequency spark discharge in the welder. At the same time, there is argon gas flowing out
of the torch nozzle. Note: When welding for the first time, you need to press and hold the switch for a few seconds before soldering until all the air in the air path is drained. After
you stop welding, there will still be argon flow out in a few seconds. This is specially designed to ensure that the solder joints are protected before cooling. Therefore, after use,
the welding position must be kept for a while after the arc is extinguished. Open the welding torch.
7.1.6 Adjust the "preflow", "postflow" and "down slop" times according to actual needs.
7.1.7 Keep the tungsten electrode and the welding workpiece at a distance of 2-4mm. Press the torch control switch to generate high-frequency discharge between the torch
electrode and the workpiece. After the ignition starts, the high-frequency arc spark in the welder It disappears immediately and you can start working.
7.2 Use DC TIG welding function description:
7.2.1 Turn on the power switch and the fan inside the machine starts to rotate.
7.2.2 Press the function key to select the TIG function.
7.2.3 Turn on the argon switch and adjust the gas flow to the rated standard (see flow meter). 4. 5, 6, 7, and 8 in the same description.
7.3 Use DC MMA welding function description:
7.3.1 Turn on the power switch and the fan inside the machine starts to rotate.
7.3.2 Place the "TIG/MMA" switch in the "MMA" position. Determine the appropriate welding
current based on the thickness, station and process conditions of the welded workpiece. 7.3.3 The welding eledctrode clamped by electrode holder can be welded.
WARNING:
It is strictly forbidden to insert or remove any cable or connector in use during the welding process. This operation will endanger personal safety and cause serious
damage to the equipment.
8.MAINTENANCE
WARNING:
Power must be turned off for all checking and maintenance, before opening the housing, make sure the power plug Is disconnected.
8.1 Remove dust by dry and clean compressed air regularly, if welding machine is operating in environment where is polluted with smokes and pollution air, the machine need
removing dust everyday.
8.2 Pressure of compressed air must be inside the reasonable arrangement in order to prevent damaging to small components of inter-machine.
8.3 Check inter circuit of welding machine regularly and make sure the cable circuit is connected correctly and connectors are connected tightly (especially insert connector and
components). If scale and loose are found, please give a good polish to them, then connect them again tightly.
8.4 Avoid water and steam enter into inter-machine, if they enter into machine, please dry inter-machine then check insulation of machine.
8.5 If welding machine will not be operated long time, it must be put into packing box and store in dry environment.
8.6 When wire machine operates for every 300 hours, the electric carbon brush and armature rectifier should be polished, the reducer should be cleaned, and lubricator should
be added to the turbo and bearing.
9.NOTES BEFORE CHECKING
WARNING:
Blind experiment and careless repair may lead to more problems and make formal check and repair more difficult. When the machine is electrified, the bared parts
contain life-threatening voltage. Any direct and indirect touch will cause electric shock, and severe electric shock will lead to death.
NOTICE:
svar52-
In the period of guarantee maintenance, if user makes wrong check and repair for malfunction of welding/cutting machines without our permission, the free
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maintenance guarantee offered will be invalid
10. PRECAUTIONS
10.1 Surroundings
10.1.1 The welding operation should be carried out in a relatively dry environment, and the air humidity should generally not exceed 90%.
10.1.2 The ambient temperature should be between -10C and 40C.
10.1.3 Avoid welding in daylight or rain, and do not allow water or rain to seep into the welder.
10.1.4 Avoid welding work in dusty areas or in corrosive atmospheres. Avoid gas-shielded welding operations in environments with strong air flow.
10.2 Safety