Gas Controller Input Connections - Lincoln Electric FineLine 300HD Operator's Manual

FineLine 300HD Plasma System

3.9 Gas Controller Input Connections

Refer to Figure 9 for the physical location of all connections. Make connections in
the order shown below. When making brass fitting connections, use two opposing
wrenches and only tighten enough to make gas seals. The fittings are subject to
damage if over tightened.
Plasma Pre / Post Gas Hose
1) Connect the plasma pre / post hose to the fitting on the input side of
Plasma Marking Gas Hose
2) Connect the plasma marking hose to the fitting on the input side of the
Shield Marking Gas Hose
3) Connect the shield marking hose to the fitting on the input side of the
Shield Cutting Gas Hose
4) Connect the shield cutting hose to the fitting on the input side of the
Plasma Cutting Gas Hose
5) Connect the plasma cutting gas hose to the fitting on the input side of
Gas Controller Ground Cable
6) Connect the GC ground cable (user-supplied) to the ground stud on
This information is subject to the controls of the Export Administration Regulations [EAR]. This information shall not be provided to
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the GC labelled with the symbol shown and to the corresponding fitting
on the Power Supply.
GC labelled with the symbol shown and to the corresponding fitting on
the Power Supply.
GC labelled with the symbol shown and to the corresponding fitting on
the Power Supply.
GC labelled with the symbol shown and to the corresponding fitting on
the Power Supply.
the GC supply labelled with the symbol shown and to the
corresponding fitting on the Power Supply.
the GC labelled with the symbol shown and to the star ground point for
the cutting system. Make sure that good metal-to-metal contact is
made. 6AWG cable is recommended.
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BK8053-000107 Rev D