MAINTENANCE AND TROUBLESHOOTING
16
§5 Maintenance & Troubleshooting
§5.1 Maintenance
In order to guarantee that arc welding machine works high-efficiently and in
safety, it must be maintained regularly. Let customers understand the maintenance
methods and means of arc welding machine more , enable customers to carry on
simple examination and safeguarding by oneself, try one's best to reduce the fault
rate and repair times of arc welding machine, so as to lengthen service life of arc
welding machine .Maintenance items in detail are in the following table.
●
Warning: For safety while maintaining the machine, please shut off the
supply power and wait for 3 minutes, until capacity voltage already drops to
safe voltage 36V.
Date
Maintenance items
Daily
examination
Observe that whether panel knob and switch in the front and at the back
of arc welding machine are flexible and put correctly in place. If the knob has
not been put correctly in place, please correct; If you can't correct or fix the
knob , please replace immediately;
If the switch is not flexible or it can't be put correctly in place, please
replace immediately; Please get in touch with our company maintenance
service department if there are no accessories.
After turn-on power, watch/listen to that whether the arc welding
machine has shaking, whistle calling or peculiar smell. If there is one of the
above problems, find out the reason to get rid of; if you can't find out the
reason, Please contact local this area our company agent or the branch
company.
Observe that whether the display value of LED is intact. If the display
number is not intact, please replace the damaged LED. If it still doesn’t work,
please maintain or replace the display PCB.
Observe that whether the min/max value on LED accords with the set
value. If there is any difference and it has affected the normal welding craft,
please adjust it.
Check up that Whether fan is damaged and is normal to rotate or control.
If the fan is damaged, please change immediately. If the fan does not rotate
after the arc welding machine is overheated , observe that whether there is
something blocked in the blade, if it is blocked, please get rid of ; If the fan
does not rotate after getting rid of the above problems, you can poke the
blade by the rotation direction of fan. If the fan rotates normally, the start
capacity should be replaced; If not, change the fan.
Observe that whether the fast connector is loose or overheated. if the arc
welding machine has the above problems, it should be fastened or changed.
Observe that Whether the current output cable is damaged. If it is
damaged, it should be wrapped up, insulated or changed.
Summary of Contents for SKYARC ULTRA 3140
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Page 27: ...MAINTENANCE AND TROUBLESHOOTING 20 5 3 Electrical principle drawi ...
Page 28: ...NOTES 21 ...
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