46
MAINTENANCE
The following operation requires sufficient professional knowledge on electric aspects and
comprehensive safety knowledge. Make sure the input cable of the machine is disconnected
from the electricity supply and wait for 5 minutes before removing the machine covers.
In order to guarantee that the arc welding machine works efficiently and in safety, it must be maintained
regularly. Operators should understand the maintenance methods and means of arc welding machine
operation. This guide should enable customers to carry out simple examination and safeguarding by
oneself, try to reduce the fault rate and repair times of the arc welding machine, so as to lengthen service
life of the arc welding machine.
Ensure the power is disconnected before working on the machine.
Always wait 5 minutes after power switch off before opening the case.
SERVICE SCHEDULE RECORD
Period
Maintenance item
Daily examination
•
Check the condition of the machine, mains cables, welding cables and
connections.
•
Check for any warnings LEDs and machine operation.
Monthly examination
•
Disconnect from the mains supply and wait for at least 5 minutes before
removing the cover.
•
Check internal connections and tighten if required.
•
Clean the inside of the machine with a soft brush and vacuum cleaner.
•
Take care not to remove any cables or cause damage to components.
•
Ensure that ventilation grills are clear.
•
Carefully replace the covers and test the unit.
This work should be carried out by a suitably qualified competent person.
Yearly examination
•
Carry out an annual service to include safety check in accordance with the
manufacturers standard (EN 60974
-
1).
This work should be carried out by a suitably qualified competent person.
Date
Type of service and work carried out
Serviced by
Due date for
next check
Summary of Contents for JT-300P
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