MAINTENANCE
1. Remove dust with dry, clean compressed air regularly, if the welding machine is operated in
an area where the air is polluted with smoke and dust, the machine needs to be cleaned
regularly, remove dust monthly.
2. Pressure of compressed air must not be more than 5 bars in order to prevent damage to small
components inside of the machine.
3. Check inside the welding machine regularly and make sure the welding output terminals are
connected tightly and connectors are not damaged. If burnt, loose or damaged please tighten
or replace if necessary.
4. Avoid water and steam entering into the machine, if the machine dose get wet please dry
inside machine then check insulation of machine.
5. If welding machine will not be operated in a long time it should be put into a box and stored
in a cool dry area.
6. When the MIG machine has operated for every 300 hours, the electric carbon brush and
armature rectifier should be cleaned, the reducer should be cleaned, and lubrication should
be added to the gearbox and bearing.
WARNING!
Before maintenance and checking, power must be turned off,
Before opening the cover disconnect the machine from electricity!
WARNING!
Blind experiment and careless repair may lead to more problems to the machine.
This will make formal diagnostic and repair more difficult. When the machine is open there
may be exposed connections containing life-threatening voltages. Any direct or indirect touch
will cause electric shock, and severe electric shock will lead to death.
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