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.
f)
Every time the wire feeder operates for 300hours, grind the electrical carbon brush and
clear up the armature commutator. Rinse speed reducer, apply 2# Molybdenum Disulfide
lubricant to the turbine, whirlpool rod and bearing.
The power shall be cut off completely before all maintenance, repairing works. Make
sure to pull out power plug before opening the case.
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