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ELECTRICAL DIAGRAMS
G-9
PRO-CUT 25
PC 25 TORCH DETAILS
5%
75%
ELECTRODE SOL. ENERGIZED
(surface area is great)
Cup “O” rings must be good.
electrode is held to the
nozzle.
COMPRESSED AIR
INPUT
20%
VERY LITTLE
COMPRESSED
AIR FLOWING
at tip.
%= AIR FLOW
AIR IS FLOWING &
ELECTRODE SOL. IS “ON”.
HOLDS ELECTRODE TO NOZZLE
ELECTRODE SOL.
DE-ENERGIZED
COMPRESSED AIR
INPUT
PILOT & CUTTING
COMPRESSED AIR FLOW
CHAMBER FULL OF
COMPRESSED AIR
VENT
VENT
Spring is compressed
Spring is relaxed
helping the push
Lift start type feature during pilot
Air pressure pushes back
electrode creating a “LIFT”
start feature inside the
nozzle for a pilot arc
Air Flowing & Torch Solenoid is
“OFF”
1. No Compressed air flowing
2. Air is flowing & torch solenoid is
“ON”
PILOT CURRENT PATH
CUTTING CURRENT PATH
AIR TUBE (COPPER)
NOZZLE
ELECTRODE
BRASS CONDUCTOR
WITH A VENT
CURRENT PATH THROUGH TORCH
through plasma arc and yellow color parts
work
G-9
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
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