Tweco 1000 CE Merlin - Manuel (Page 23)

Manual 0-2731 3-5 INSTALLATION
PLASMA GAS
Fitting
SECONDARY
GAS Fitting
Plasma Gas
Hose
Secondary Gas
Hose
A-02349
Figure 3-3 Gas Connections Using Gas Cylinders
c. Connect the gas supply hose from the secondary gas
supply directly to the input fitting on the rear panel of
the Power Supply marked SECONDARY.
C. Using Plasma Shop Air And Secondary
High-Pressure Gas Cylinder
NOTES
Refer to the regulator manufacturer’s specifications
for installation and maintenance procedures. Refer
to Section 6.05, System Options and Accessories,
for a listing of available high-pressure regulators.
Do not use an air line filter with high pressure gas
cylinders.
1. Examine the cylinder valves to be sure they are clean
and free of oil, grease or any foreign material. Momen-
tarily open each cylinder valve to blow out any dust
which may be present.
WARNING
Do not stand in front of the valve outlet when open-
ing.
2. Each cylinder must be equipped with an adjustable high-
pressure regulator capable of pressures up to 125 psi (8.6
bar) maximum and flows of up to 700 scfh (328 lpm) for
cutting or gouging.
CAUTION
Maximum input pressure to the internal regulator
on the Power Supply must not exceed 125 psi (8.6
bar).
NOTE
A typical 50 lb. CO2 cylinder can deliver a con-
tinuous flow rate of 35 scfh (16.5 lpm). To obtain
the required flow rate for the torch, it may be neces-
sary to manifold several CO2 cylinders. Continu-
ous flow requirements will depend on the specific
application and duty cycle.
3. Connect the gas supply to the Power Supply as fol-
lows:
a. Remove the secondary gas hose and adapter from
the SECONDARY fitting at the rear panel.
PLASMA GAS
Fitting
SECONDARY
GAS Fitting
Plasma Gas
Hose
Secondary Gas
Hose
A-02356
Adapter Fitting
Figure 3-4 Removal Of Factory Installed Hardware