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Cover Screws
(5 Places On Each Side)
A-01680
Figure 3-2 Cover Removal
3. Carefully pull the Cover up and away from the unit
to gain access to the inside of the unit.
3.06 Input Power Cable Connections
Disconnect primary power at the source before as-
sembling or disassembling the power supply, torch
parts, or torch and leads assemblies.
The primary input power cable (6ft.(1/8m) is sup-
plied with a NEMA 6-50 plug. Connect the plug to a
customer supplied 230 VAC, single-phase mating con-
nector.
Refer to Appendix I for recommended fuse sizes
for the voltage application.
Manual 0-2700
Cover
WARNING
NOTE
3.07 Gas Connections
A. Gas Requirements
This unit not to be used with oxygen (O
Gases: Compressed Air or Nitrogen (N
Pressure: 60 psi (4.1 bar or 410 kPa)
Maximum input gas pressure must not exceed 125
psi (8.6 bar or 861 kPa)
Flow:
Cutting and Gouging - 300 scfh (141.5 lpm)
Air supply must be free of oil, moisture, and other
contaminants. Excessive oil and moisture may
cause double-arcing, rapid tip wear, or even com-
plete torch failure. Contaminants may cause poor
cutting performance and rapid electrode wear.
B. Gas Connection
The gas supply is connected to the rear of the Power
Supply. The connection is the same for compressed air
or high pressure gas cylinders.
The air supply must be free of oil, moisture, and
other contaminants. Excessive oil and moisture
may cause double-arcing, rapid tip wear, or even
complete torch failure. Contaminants may cause
poor cutting performance and rapid electrode wear.
Filtering is required when using air from a com-
pressor to insure that moisture and debris from
the supply hose does not enter the torch. It is rec-
ommended to order the Optional Two Stage Air
Line Filter for air filtering.
1. Locate the 1/4 NPT to #4 (6mm) hose barb fitting
shipped inside the Torch Spare Parts Kit.
13
WARNING
).
2
) Only
2
CAUTION
CAUTION
CAUTION
NOTE
INSTALLATION PROCEDURES
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