INSTALLATION 6 Manual 0-2577
Using Shop Air
CAUTION
CAUTION
Replacing Filter
Cartridge
NOTE
Do not use an air line filter with high pressure gas cylinders.
To use shop air from a compressor, refer to Figure 2-B and:
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.
1. Install an air filter assembly (Cat. No. 7-0250) to the gas input
fitting on the front panel of the power supply. The air filter is
supplied with 1/4 NPT gas couplings. A quick disconnect
fitting is recommended on the filter body cap to allow easy
connection to the compressed air source.
2. Connect the air supply hose to the inlet fitting on the air filter
body cap.
When connecting a gas fitting to the filter cap, hold the cap flats
with a wrench. Over tightening the cap on the filter body can
damage the filter cartridge or cap gasket.
Air filter cartridge (Cat. No. 7-0252) should be replaced every 30
days, depending on the condition of the compressed air. If a
noticeable drop in air pressure occurs, the filter has become filled
with contaminants and must be replaced.
To replace cartridge, unscrew filter cap from body, slide out old
cartridge and insert new filter element. The filter cartridge fits
only one way. Filter cap must be hand tight only.
Supply hoses must be at least #4 hose (1/4 in or 6.4 mm mini-
mum inside diameter).
Figure 2-B Air Line Filter Gas Connections
Front Panel 1/4 NPT
Gas Fitting
Optional
Air Line Filter
Assembly
Supply Hose from Source
1/4 NPT Connection
Filter Cap
AIR FLOW
A-01271
Front Panel 1/4 NPT
Gas Fitting
Supply Hose from Gas
Cylinder Regulator
1/4 NPT Connection
AIR FLOW
A-01272
Using the System with Shop Air
Using the System with Cylinder Air
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