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5 Daily Maintenance and Checking
⚫
Daily maintenance
a)
Remove dust regularly with dry compressed air. If the welding machine is used in
surroundings with heavy smoke and polluted air, it is necessary to remove dust at least one
time one month.
b)
The pressure of compressed air shall fall to required level to prevent damage to small
components in the machine.
c)
Examine inside electric joints and ensure perfect contact (Especially plugs and sockets).
Fasten the loosing joints. In case of oxidation, remove oxide film with sand paper and
connect again.
d)
Prevent water from entering into the machine and prevent the machine from getting moist.
If any, blow and dry. Measure the insulation with megohmmeter to make sure it is qualified
to use.
e)
If the welding machine is not used for a long time, pack the machine in original package and
store in dry surroundings.
The power shall be cut off completely before all maintenance, repairing works. Make sure
to pull out power plug before opening the case.
⚫
Notes before checking
Aimless test and unprofessional repairing may make the problems worse and cause more
defaults. When the power is on, the bare components may be dangerous with high voltage.
Any direct or indirect touch may cause electric shock, even death.
Within the warranty period, if the users handle unprofessionally of the malfunctions by
themselves without permission of manufactory, the free repair guaranteed by the
distributors may not be effective.