Torch Connections - Lincoln Electric FineLine 12864 Operator's Manual

BK8053-000107 Rev A.01

3.10 Torch Connections

Refer to Figure 9 for the physical location of all connections. When making brass fitting
connections, use two opposing wrenches and only tighten enough to make water or gas
seals. The fittings are subject to damage if over tightened.
Torch Leads and Torch Handle
1) Slide the torch lead isolator (and braided
shield) away from the torch end of the
torch leads by at least the length of the
torch handle.
Slide the torch leads through the non-
threaded end of the torch handle (the end
with two set-screw holes). Make sure that
all fittings are visible so that connections
can be made.
Electrode/Coolant Supply Lead
2) Connect the electrode/coolant supply
lead to the corresponding fitting on
the torch.
Plasma Gas Hose
3) Connect the plasma gas hose to the
corresponding fitting on the torch.
Nozzle Lead
4) Connect the nozzle lead to the
corresponding fitting on the torch.
Shield Gas Hose
5) Connect the shield gas hose to the
corresponding fitting on the torch.
Coolant Return Lead
6) Connect the coolant return lead to the
corresponding fitting on the torch. The
torch coolant return lead fitting has left
hand threads.
Torch CTP Sensor Lead
7) Connect the torch CTP sensor lead to the
corresponding connector on the torch.
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Torch Lead
Isolator
Torch Handle
Electrode/Coolant
Supply Lead
Torch CTP
Sensor Lead
Nozzle Lead
Plasma Hose
Electrode/Coolant
Supply Fitting
Torch CTP
Sensor Connector
Page 39 of 118
FineLine 300HD Plasma System
Torch Leads
(Torch End)
Nozzle
Fitting
Plasma
Fitting
Torch
(End View)
Figure 9: Torch Connections
Set Screw
Hole
Coolant
Return Lead
Shield
Hose
Shield
Fitting
Coolant
Return Fitting