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10
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8. MAINTENANCE AND TROUBLESHOOTING
Problem Possible Cause Required Action
– Plasma arc stops while cutting – Hand too tense, inadvertently
releasing the cut switch.
– Hold the torch lightly against the
material being cut, don’t push
down. Try and relax the hand.
– Cutting speed too slow. – If all material cut from under the
arc the arc will extinguish.
– Torch moved too far away from
material.
– Move torch closer to the metal
to be cut.
– Compressor unable to keep up
with air demand.
– Check air pressure gauge
reading when cut stops.
– Check air pressure gauge is
reading 60psi with cut switch
pressed.
– Check torch lead connections at
unit and torch are tight.
– Check torch hose is
undamaged.
– Check compressor, give the
compressor time to recover if
making long cuts when using a
smaller compressor. Check the
regulator fittings have been
assembled properly using PTFE
tape.
– Sparks are shooting upward not
downward through the material.
– Plasma arc not piercing
material.
– Torch travel speed too fast.
– Check grounding clamp is
making a good connection to
the material being cut and is
tightly connected at the unit.
Clean a patch of material for
clamp if rusty
– Increase current.
8.2 MAINTENANCE
Note: Remove the plug from the socket before carrying out adjustment, servicing or maintenance.
Regular inspection and cleaning reduces the necessity for maintenance operations and will keep your tool in good
working condition.
The plasma cutter must be correctly ventilated during tool operation. Avoid blocking the air inlets and vacuum the
ventilation slots regularly.
Do not use solvents or fuels to clean the product. When not in use, store the product in a safe, dry place.
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