Hobart Welding Products 700I, HP-70 manual Troubleshooting Torch, Arc goes on and off while cutting

Models: 700I HP-70

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6-8. Troubleshooting Torch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Trouble

Remedy

 

 

 

 

 

 

 

 

 

 

Arc goes on and off while cutting.

Torch travel speed too slow; increase travel speed (see Section 5-2). Clean or replace torch consumables

 

 

 

 

as necessary (see Section 6-5). Be sure work clamp is securely attached to workpiece.

 

 

 

 

 

Arc goes out while cutting.

Be sure work clamp is securely attached to workpiece. Make sure tip is on or near [1/16 in. (1.6 mm) to

 

 

 

 

1/8 in. (3.2 mm)] workpiece (see Section 5-6). Clean or replace torch consumables as necessary (see

 

 

 

 

Section 6-5).

 

 

 

 

 

Sparks come out top of cut or cut is not

Torch travel speed too fast; reduce travel speed (see Section 5-2). Clean or replace torch consumables

clean.

as necessary (see Section 6-5). Be sure work clamp is securely attached to workpiece. Unit not capable

 

 

 

 

of cutting metals thicker than rating (see Section 5-2).

 

 

 

 

 

Trouble lights are on; unit has no cutting

Check torch consumables. Check for gas/air flow at torch. Check air supply connection and pressure to

output.

unit and torch. Reset unit Power switch. Have Factory Authorized Service Agent check torch and

 

 

 

 

connections inside unit.

 

 

 

 

 

OM-244 013 Page 31

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Hobart Welding Products 700I, HP-70 manual Troubleshooting Torch, Arc goes on and off while cutting