Ronch 250MIG, Руководство пользователя

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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: F or safety while maintaining the machine, please shut off the supply power and wait
for 5 minutes, until capacity voltage already drop 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 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 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.