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TABLE OF CONTENTS

Every craftsman respects the tools with

which they work. They know that the tools

represent years of constantly improved

designs and developments. The true

craftsman also knows that tools are

dangerous if misused or abused.

Reading this operator’s manual before using

the plasma cutter will enable you to do a bet-

ter, safer job. Learn the plasma cutter’s

applications and limitations as well as the

specific potential hazards peculiar to plasma

cutting.

IMPORTANT SAFETY

INFORMATION

The following safety information is provided

as guidelines to help you operate your new

plasma cutter under the safest possible con-

ditions. Any equipment that uses electrical

power can be potentially dangerous to use

when safety or safe handling instructions are

not known or not followed. The following

safety information is provided to give the

user the information necessary for safe use

and  operation.

A procedure step preceded by a 

WARNING

is an indication that the next step

contains a procedure that might be injurious

to a person if proper safety precautions are

not heeded.

A procedure step preceded by a 

CAUTION

is an indication that the next step contains a

procedure that might damage the equipment

being used.

A

NOTE

may be used before or after a

procedure step to highlight or explain

something in that step.

READ ALL SAFETY INSTRUCTIONS

CAREFULLY

before attempting to install,

operate, or service this plasma cutter. Failure

to comply with these instructions could result

in personal injury and/or property damage.

RETAIN THESE INSTRUCTIONS FOR

FUTURE REFERENCE.

Note: 

• The following safety alert symbols  identify

important safety messages in this manual.

• When you see one of the symbols shown

here, be alert to the possibility of personal

injury and carefully read the message that

follows.

This symbol indicates that the

possibility of electric shock hazard

exists during the operation of the

step(s) that follow.

This symbol indicates that the

possibility of fire hazard exists

during the operation of the step(s)

that follow.

This symbol indicates that the

helmet must be worn during the

step(s) that follow to protect

against eye damage and burns

due to flash hazard.

This symbol indicates that the

possibility of toxic gas hazard

exists during operation of the

step(s) that follow.

This symbol indicates that the

possibility of being burned by hot

slag exists during operation of the

step(s) that follow.

This symbol indicates that the eye

protection should be worn to

protect against flying debris in

the following step(s).

This symbol indicates that the

possibility of injury or death exists

due to improper handling and

maintenance of compressed gas

cylinders or regulators.

• Published standards on safety are

available. They are listed in ADDITIONAL

SAFETY INFORMATION at the end of

this SAFETY SUMMARY.

The National Electrical Code, Occupation

Safety and Health Act regulations, local 

industrial codes and local inspection 

requirements also provide a basis for 

equipment installation, use, and service.

SAFETY SUMMARY

Summary of Contents for 052249011064

Page 1: ...27 9603 or 419 930 2299 Fax 877 354 0740 www clarkeusa com E mail customer service clarkeusa com 120V PLASMA CUTTER OPERATING MANUAL CAUTION Before using this product read this manual and follow all i...

Page 2: ...product gets shipped that does not meet our specifications If you have a product that does not work correctly within 30 days of your purchase take the product and the original receipt to the store for...

Page 3: ...this plasma cutter Failure to comply with these instructions could result in personal injury and or property damage RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE Note The following safety alert symbo...

Page 4: ...power source if the ground prong on power cord plug is bent over broken off or missing Do not allow the unit to be connected to the power source or attempt to operate if the unit cables work area or...

Page 5: ...clothing that contains oil grease or other flammable substances Do not wear flammable hair preparations Do not work in an area until it is checked and cleared of combustible and or flammable materials...

Page 6: ...ate to exchange all fumes and gasses generated during the cutting process with fresh air do not plasma cut unless the operator and all bystanders are wearing air supplied respirators Do not heat metal...

Page 7: ...TING AND WELDING PROCESS obtainable from the National Fire Protection Association 1 Batterymarch Park P O Box 9101 Quincy MA 02269 9101 Telephone 617 770 3000 Fax 617 770 0700 www nfpa org OSHA Standa...

Page 8: ...AL PROTECTION CAUTION Do not constantly exceed the duty cycle or damage to the unit can result If you exceed the duty cycle of the plasma cutter an internal thermal protector will open shutting off al...

Page 9: ...te power and heat Scrape away dirt rust scale oil or paint before attaching the ground clamp Ground Cable The ground cable connects the ground clamp to the internal workings of the plasma cutter Cutti...

Page 10: ...the grounding prong or alter the plug in any way and do not use any adapters between the plasma cutter s power cord and the power source receptacle Make sure the POWER switch is OFF then connect your...

Page 11: ...ROUND CLAMP TO THE WORKPIECE 1 Remove any dirt grease scale rust paint etc from the area of the workpiece where the ground clamp is to be connect ed 2 The ground clamp should be connected to the workp...

Page 12: ...lasma to the materi al The high energy of the arc melts the material The melted metal material is simul taneously forced out of the cut area by the air flow As this glowing metal is removed from the p...

Page 13: ...er strike an arc or begin cutting until you are adequately protected Wear flameproof welding gloves a heavy long sleeved shirt cuffless trousers high topped shoes and a welding helmet 3 With the torch...

Page 14: ...o be cut at a moderate steady pace 6 To shut the torch off simply release the trigger Note When the trigger is released and the arc is extinguished compressed air will con tinue to flow for a short pe...

Page 15: ...from the air supply 1 Slowly turn the knurled drain valve on the bottom of the water trap housing counter clockwise as viewed from bottom of unit until it is fully open 2 Allow all condensation to dra...

Page 16: ...eeds to be replaced when cracks chips or burn spots begin to appear 1 Remove the nozzle cap from the torch by turning it counterclockwise 2 Remove the nozzle 3 Slide the worn swirl ring off of the tor...

Page 17: ...17 TROUBLESHOOTING...

Page 18: ...18 18 PLASMA CUTTER MODEL WE6493A WIRING DIAGRAM...

Page 19: ...19 19 PLASMA CUTTER MODEL WE6493A PARTS LIST...

Page 20: ...20 PLASMA CUTTER MODEL WE6493A PARTS DIAGRAM...

Page 21: ...21 PLASMA CUTTER MODEL WE6493A TORCH PARTS LIST...

Page 22: ...NOTES...

Page 23: ...NOTES...

Page 24: ...120V PLASMA CUTTER OPERATING MANUAL Model WE6493A WE6493A M001 1204...

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