Miller Electric APT-1000 manual Remove spatter can damage torch, Or Operation, Torch

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sb3.1 10/91

 

 

 

 

1

Insulating Gloves

 

 

 

 

2

Safety Glasses With Side

1

2

3

4

5

Shields

 

 

 

 

 

3

Welding Helmet

 

 

 

 

4

Face Shield

Wear dry insulating gloves, safety glasses with side shields, and a welding helmet or face shield with a correct shade of filter (see ANSI Z49.1).

5 Ear Muffs

Wear approved ear muffs or ear plugs if noise exposure exceeds OSHA limits.

Figure 4-1. Safety Equipment

CAUTION

HITTING TORCH ON A HARD SURFACE to

TIP AND ELECTRODE WEAR BEYOND

remove spatter can damage torch.

 

RECOMMENDED

VALUES

or OPERATION

Do not clean torch by hitting it against a hard surface.

WITHOUT TIP OR ELECTRODE can damage

Hitting hard surfaces can damage torch parts and stop proper

torch.

 

 

 

operation.

 

 

Inspect shield cup, tip, and electrode before cutting or whenever

 

 

 

 

cutting speed has been significantly reduced (see Section 5-2).

 

 

 

 

Do not operate torch without a tip or electrode in place.

 

 

 

 

 

 

 

 

 

Install &

Put On Personal

Check Torch

Check Air/Gas

Set

Turn On

 

Connect

Safety

Tip, Electrode,

Controls

Power Source

 

Equipment

Equipment

And Shield Cup

 

Pressure

 

 

Begin

Cutting

EXAMPLE Of Cutting Operation

Place torch tip on edge

Press trigger. After 2 seconds of preflow,

of metal.

pilot arc starts. Pilot arc stops after 2

 

seconds if cutting arc does not start.

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

Adjust torch speed so

Pause briefly at end of

sparks go through metal and

cut before releasing trigger.

out bottom of cut.

 

Postflow continues for 20 seconds after releasing trigger; cutting arc

can be instantly restarted during postflow.

ST-161 698

Figure 4-2. Sequence Of Plasma Arc Cutting (PAC)

OM-1572 Page 5

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Contents Description OM-1572AProcesses From Miller to You Plasma ARC Cutting Safety Precautions Cylinders can explode if damaged Fumes and Gases can be hazardous to your healthPlasma ARC can cause injury Flying Sparks and HOT Metal can cause injuryEMF Information Table of ContentsPage Moving Parts can injure Safety InformationCutting Torch Electric Shock can killConsumables And Parts Supplied With Torch InstallationDuty Cycle Installing Torch Operating the Torch Torch Remove spatter can damage torchOr Operation Without TIP or Electrode can damageEach Use Maintenance & TroubleshootingRoutine Maintenance MonthsReco Mmended VAL UES or Operat IO N Overtightening will strip threadsCutting Trouble Troubleshooting126 Parts ListPage Page Page Support ServiceMiller Electric Mfg. Co Owner’s Record