7
！
Warning!
Strictly
Strictly
prohibit
prohibit
inserting
inserting
and
and
pushing
pushing
the
the
cable
cable
or
or
plugs
plugs
in
in
the
the
course
course
of
of
welding
welding
because
because
the
the
operations
operations
may
may
hurt
hurt
the
the
operator
operator
and
and
damage
damage
machine.
machine.
Maintenance
！
Warning!
All
All
the
the
maintenance
maintenance
and
and
examination
examination
must
must
be
be
carried
carried
on
on
after
after
cutting
cutting
off
off
the
the
power
power
.
.
P
P
lease
lease
make
make
sure
sure
that
that
the
the
power
power
plug
plug
is
is
pulled
pulled
out
out
before
before
opening
opening
the
the
casing.
casing.
1. Dust should be blown away with dry and clean compressed air termly; The welding machine should be
cleaned every day if it is operated under the circumstance of polluted air.
2. Pressure of the compressed air should be appropriate so as to protect the small components inside the welding
machine.
3. Examine circuits in the welding machine regularly and make sure they are connected correctly and firmly
(especially the plugs and components). If they are rusty or loose, abrasive paper can be used to remove the
rust or oxide film, and they should be reconnected and fixed.
4. Water or vapor are prevented from entering the welding machine, which should be dry if the state above
occurs, and insulation state should be checked with megohmmeter (insulation status of connected nodes, as
well as connected nodes and casing). The welding machine can work continually only when everything is
normal.
5. If the welding machine will not be used for a long time, it should be put back into the original packing case
and stored in dry circumstance.
Before inspection
！
Warning!
Blind
Blind
fold
fold
experience
experience
and
and
incautious
incautious
inspection
inspection
may
may
cause
cause
trouble
trouble
s
s
for
for
the
the
formal
formal
inspection.
inspection.
When
When
the
the
machine
machine
is
is
on
on
position,
position,
and
and
the
the
voltage
voltage
of
of
bare
bare
parts
parts
in
in
the
the
machine
machine
is
is
dangerous
dangerous
.
.
A
A
ny
ny
direct
direct
or
or
indirect
indirect
contact
contact
may
may
bring
bring
about
about
shock
shock
hazard,
hazard,
even
even
death!!!
death!!!
Note:
During warranty period, maintenance free guarantee provided by supplier will out of service if the user
inspects and repairs the welding cut power without our permit.
Notice and Preventive Measures
1.
Environment
Environment
1) The welding operation requires a relative dry environment and air humidity should not be beyond 90%.
2) The surrounding temperature should be kept in a range from -10
℃
to 40
℃
.
3) The water or rainwater is prohibited from permeating into the welding machine, and the welding operation
shouldn’t be done in the sun or rain.
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