USER MANUAL - 14 - YF-68E/A0
MAINTENANCE
WARNING
：
Power must be turned off for all checking and maintenance, before opening the housing, make
sure the power plug is disconnected.
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.
2. Pressure of compressed air must be inside the reasonable arrangement in order to prevent damaging to small
components of inter-machine.
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.
4. Avoid water and steam enter into inter-machine, if they enter into machine, please dry inter-machine then check
insulation of machine.
5. If welding machine will not be operated long time, it must be put into packing box and store in dry environment.
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.
