Application Guide

20
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Consumable Maintenance
CAUTION! Always tighten the ELECTRODE with the provided wrench. A loose ELECTRODE can further loosen
and damage the PLASMA TORCH. SHIELD CUP should be hand-tightened. Over-tightening could damage PLASMA
TORCH.
CAUTION! Inspect SHIELD CUP (E), CUTTING TIP (D), AIR DIFFUSER
RING (C) and ELECTRODE for wear and debris before cutting or whenever
cutting speed has been significantly reduced.
CAUTION! Do not operate PLASMA TORCH (9) without a CUTTING TIP or ELECTRODE in place. Be sure to use
genuine Forney parts.
NOTE: It is recommended that the ELECTRODE and CUTTING TIP should be replaced at the same time to ensure
even wear and optimal performance.
PART INSPECT ACTION
Shield Cup
The center hole for round- ness. Replace the SHIELD CUP if the hole is no
longer round.
The gap between the SHIELD CUP
and CUTTING TIP for accumulated
debris.
Remove the SHIELD CUP and clean any
debris away, replace if damaged or un-
cleanable.
Examine for cracks, burn- through
or chips.
Replace SHIELD CUP if cracked, burned-
through or chipped.
Cutting Tip
The center hole for roundness,
enlargement.
Replace the SHIELD CUP if the hole is no
longer round or enlarged.
Oxidized exterior. Can be cleaned with an extra-fine abrasive
cloth, use no solvents.
Air Diffuser
Ring
Verify there are no burns or cracks
or that airflow holes are not ob-
structed.
If damaged, replace.
Electrode
The center surface for wear and
verify pit depth.
Replace ELECTRODE when crater on emit-
ting surface is about 1/16” (2mm) deep.
Torch Body
Check surface for damage, wear,
debris.
Clean without use of solvents if debris is
present.
Replace PLASMA TORCH if TORCH BODY
(A) is damaged, cracked, or worn.
Torch
Handle &
Cable
These parts usually need no
maintenance except for a periodic
inspection and cleaning.
Clean without use of solvents if debris is
present
Replace PLASMA TORCH if any part of the
handle or cable is cracked or worn.
DO NOT touch PLASMA TORCH and
cable with warm or hot parts.
DO NOT strain the cable.
DO NOT move the cable on sharp edges
or abrasive surfaces.
DO NOT step on the cable.
Ground
Clamp &
Cable
These parts usually need no
particular maintenance with the
exception of a periodic inspection
and cleaning.
Follow same actions as Torch Handle and
Cable
Additionally, ensure there is no corrosion
on the GROUND CLAMP contact surfaces.
WRENCH FOR ELECTRODES (B)