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G.    No gas flow with the power lamp ON and fan operating 

1.      Gas not connected or pressure too low, check gas connections. Adjust gas pressure to 

proper setting. 

2.      Faulty components in unit, return for repair or have qualified technician repair. 

L.    Torch cuts but low quality 

1.      Current (A) control set too low, increase current setting. 

2.      Torch is being moved too fast across work-piece, reduce cutting speed. 

3.      Excessive oil or moisture in torch, hold torch 1/8 inch (3 mm) from clean surface while 

purging and observe oil or moisture buildup (do not activate torch). If there are contaminants in the 

gas, additional filtering may be needed. 

5.3 NPT68 Torch Consumables 

 

 
 
 

 

 

 

 

                                                                               

Summary of Contents for CUT 60-1

Page 1: ...NT Read this Owner s Manual Completely before attempting to use this equipment Save this manual and keep it handy for quick reference Pay particular attention to the safety instructions we have provided for your protection Contact your distributor if you do not fully understand this manual OPERATOR S MANUAL ...

Page 2: ...NNECTIONS 3 3 3 INPUT POWER CONNECTIONS 4 3 4 INPUT GAS CONNECTIONS 4 4 OPERATION 5 4 1 LAYOUT FOR THE FRONT REAR PANEL 5 4 2 CUTTING PREPARATION 6 4 3CUTTING OPERATION 6 5 MAINTENANCE 7 5 1 CUTTING TORCH MAINTNENCE 7 5 2 TROUBLESHOOTING PRINCIPLE 8 5 3 NPT68 TORCH PARTSLISTING 9 5 4 ELECTRIC PRINCIPLE DRAWING 10 5 5 PARTSLISTING 11 ...

Page 3: ...s and gases from the plasma arc depend on the kind of metal being used coatings on the metal and the different processes You must be very careful when cutting or cutting any metals which may contain one or more of the following Antimon y Chromium Mercury Beryllium Arsenic Cobalt Nickel Lead Barium Copper Selenium Silver Cadmiu m Manganes e Vanadium Always read the Material Safety Data Sheets MSDS ...

Page 4: ...gen gas can be eliminated or dissipated Trapped hydrogen gas that is ignited will cause an explosion NOISE Noise can cause permanent hearing loss Plasma arc processes can cause noise levels to exceed safe limits You must protect your ears from loud noise to prevent permanent loss of hearing Operator should wear protective ear plugs and or ear muffs Protect others in the workplace Noise levels shou...

Page 5: ...tion class H Net weight kg 22 9 Cooling method AF Note The above parameters are subject to change with the improvement of machines 3 Installation 3 1 Unpacking Identify and account for each item per the following list 1 PCA68 Power source with compressed air regulator dryer 2 NPT68 Plasma Torch with central adaptor cable connector 3 Earth Clamp Cable with 200 amp clamp and 25 10 cable connector 4 ...

Page 6: ...the machine will illuminate alarm light and current will be cut off If the power supply voltage continually goes beyond the safe work voltage range it will shorten the life of the machine If this occurs the below measures should be taken Change the LINE power supply Such as connect the welder to a dedicated circuit Shut off other machines using LINE power supply at the same time as welding WARNING...

Page 7: ...cator is ON when DC output is active 5 Cutting Current Regulator Regulates the current when cutting 6 RUN SET when cutting the work piece turn to the RUN setting when doing a gas test turn to SET 7 Cutting Gun Connector Connects gun to machine 8 CNC Connection Connection for CNC plug 9 Positive Output Cable Connect to work piece 10 Barometer Ensures that there is no impurity and or moisture in the...

Page 8: ... when cutting release torch trigger and allow unit to cool until the alarm resets and lamp goes OFF then press on the switch to start cutting again 2 In the automatic air purge mode SET pressing trigger will not ignite arc 3 In the event less than 30 psi air pressure is supplied to the machine pressing trigger will not ignite arc 4 After extended usage nozzle and electrode should be changed to ins...

Page 9: ... swirl ring by lifting off electrode and place both on bench 4 Locate electrode wrench and remove electrode by rotating counter clockwise RH thread 5 Inspect torch head for clogged air ports or damage 6 Replace elctrode with new part and tighten with wrench It is important to secure with wrench as electrode transfers very high DC current at vert high temperatures A loose electrode will damage the ...

Page 10: ...off the power source install the electrode or nozzle and screw shield cup down properly then turn on the power source D The cutting torch fail to ignite the arc when torch trigger depressed DC pilot light ON and air flows intermittently 1 Short circuit for burned out and other abnormal situation turn off the power source to change the electrode and nozzle E Power lamp and temperature lamp ON 1 Air...

Page 11: ...chnician repair L Torch cuts but low quality 1 Current A control set too low increase current setting 2 Torch is being moved too fast across work piece reduce cutting speed 3 Excessive oil or moisture in torch hold torch 1 8 inch 3 mm from clean surface while purging and observe oil or moisture buildup do not activate torch If there are contaminants in the gas additional filtering may be needed 5 ...

Page 12: ...10 5 4 Electrical principle drawing ...

Page 13: ...10 ...

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