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Maintenance
6.1 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 5minutes,until capacity voltage already drop
to safe voltage 36V!
Date
Observe that whether panel knob and switch in the front and at the
back of arc welding machine are flexible ane 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
A f t e r t u r n - o n p o w e r, w a t c h / l i s t e n t o t h a t w h e t h e r t h e a r c w e l d i n g
machine has shaking, whistle calling or peculiar smell. If there is one
o f t h e a b o v e p r o b l e m s , f i n d o u t t h e r e a s o n t o g e t r i d o f , i f y o u c a n ' 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
Daily
value.If there is any difference and it has affected the normal welding
examination
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
Using the dry compressed air to clear the inside of arc welding machine.
Especially forclearing up the dusts on radiator, main voltage transformer,
inductance, IGBT module, the fast recover diode and PCB, etc
Check up the bolt in arc welding machine,if it is loose,please screw
Monthly
down it.If it is skid, please replace.If it is rusty,please erase rust on bolt
examination
to ensure it works well
Quarter-
Whether the actual current accords with the displaying value.If they
yearly
does not accord, they should be regulated.The actual current value can
examination
be measured by the adjusted plier-type ampere meter
Measure the insulating impedance among the main circuit,PCB and
Yearly
case, if it below 1MΩ,insulation is thought to be damaged and need to
examination
change, and need to change or strengthen insulation
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Maintenance item
versión en español
Instrucciones de operación
EN
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