3-3. Sequence Of Operation

Do not clean torch by hitting it against a hard surface. Hitting hard surfaces can damage torch parts and stop proper opera- tion.

Inspect shield cup, tip, and electrode for wear before cutting or whenever cutting speed has been significantly reduced (see torch Owner’s Manual). Do not operate torch without a tip or electrode in place.

Install &

Put On Personal

Check Torch Tip,

Check Gas/Air

Set

Turn On

Connect

Safety

Electrode, And

Pressure

Controls

Power Source

Equipment

Equipment

Retaining Cup

 

 

 

 

Begin

 

 

 

 

 

Cutting

 

 

 

 

EXAMPLE Of Cutting Operation

The pilot arc starts immediately when

 

trigger is pressed.

Place drag shield on edge of metal,

Press trigger. Pilot arc starts.

or allow correct standoff distance –

 

approximately 1/8 in (3 mm).

 

After cutting arc starts, slowly start moving torch across metal.

Adjust torch speed so

Pause briefly at end of

Postflow continues for approx. 20 to

sparks go thru metal and

cut before releasing trigger.

30 seconds after releasing trigger;

out bottom of cut.

 

cutting arc can be instantly

 

 

restarted during postflow by

 

 

pressing trigger.

 

 

ST-801 400-A

OM-279 Page 16

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Image 20
Hobart Welding Products OM-279 manual Sequence Of Operation, Example Of Cutting Operation, Trigger is pressed