AUTO ARC APT-1000 Manuel utilisateur

AUTO

ARCJﬁ

July1993

Form:

OM-129326A

OWNERS

MAN

UAL

APT-i 000

Torch



Read

and

these

instructions

and

all

safety

blocks

carefully.

Have

only

trained

and

qualified

persons

install,

operate,

service

this

unit.

Call

your

distributor

you

not

understand

the

directions.

Give

this

manual

the

operator.

I4tZi~

1L~fl

For

help,

call

your

distributor,

MILLER

Electric

Mfg.

Co.,

P.O.

Box

Appleton,

54912

414-734-9821

or:

1079,



Ampere,

Air-Cooled

Plasma

Arc

Cutting

(PAC)

Torch



60%

Duty

Cycle



Equipped

With

(4.6

Cable

And

Fully

Assembled



Safety

Interlock

Devices

Shut

Down

Power

Source

Cutting

Capacity:

5/32

mm)

Mild

Steel

auto_arc

6/93



ST.129

899-A

PRINTED

USA



I

J

LIMITED

WARRANTY

Effective

January

1992

(Equipment

with

serial

number

preface

KC

newer)

This

limited

warranty

supersedes

all

manufacturers

warranties

and

exclusive

with

other

guarantees

warranties

expressed

implied.

LIMITED

WARRANTY



Subject

ths

terms

and

conditions below,

warrants

toils

original

retail

purchaser

that

new

equipment

sold

aher

the

effective

dale

this

tim-

ted

warranty

tree

detects

material

and

workmanship

the

lime

itis

uhipped

Irom

factory.

THIS

WARRANTY

EXPRESSLY

LIEU

ALL

OTHER

WAR

RANTIES.

EXPRESS

IMPLIED.

INCLUDINO

THE

WARRANTIES

MER

CHANTABILITY

AND

FITNESS

Within

the

warranty

periods

listed

below,

manutacturer

will

repair

replace

any

warranted

parta

components

that

tail

due

such

detects

material

workman

ship.

Manutacturer

must

notiEed

writing

within

thirty

130)

days

such

detect

failure,

which

time

manutacturer

wilt

provide

instructions

the

warranty

claim

procedures

tollowed.

Manutacturer

shall

honor

warranty

claims

warranted

equipment

listed

below

the

event

such

tailure

within

the

warranty

time

periods.

All

warranty

time

periods

start

the

date

that

the

equipment

was

delivered

the

original

retail

purchaser.

and

areas

follows:

Years

Parts



Years

Labor

Original

main

power

rectifiers

Years



Parta

and

Labor

Transtormer/Rectitier

Power

Sources

Plasma

Arc

Cutting

Power

Sources

Semi-Automatic

and

Automatic

Wire

Feeders



Robots

Yeara



Parts

and

Labor



Engine

Driven

Welding

Generators

(NOTE:

Enginea

are

warranted

separately

the

engine

manufacturer.)

Air

Compressors

Year



Parts

and

Labor

Motor

Driven

Guns

Procesa

Controllers

Water

Coolant

Systems

Units

Grids

Spot

Welders

Load

Eanka

SDX

Transtormers

Running

Gear/Trailera

Field

Options

(NOTE:

Field

options

are

covered

under

the

limited

warranty

for

the

maining

warranty

period

the

product

they

are

installed

in.

tor

mini

mum

one

year



whichever

greater.)

Months



Batteries

Days



Parts

and

Labor



MIG

Guns/TIG

Torches

Plasma

Casing

Torches



Remote

Controls



Accessory

Kits

Replacement

Parts

Limited

Warranty

shall

not

apply

to.

Items

furnished

manufacturer,

but

manufactured

others,

such

gines

trade

accessories.

These

items

are

covered

the

manufacturers

warranty,

any.

Consumable

components:

such

contact

tips.

cutting

nocclea.

contactora

and

relays

parts

that

tail

due

normal

wear.

Eguipment

that

has

been

modiked

any

party

other

than

manufacturer,

equipment

that

has

been

improperly

installed,

improperly

operated

misused

based

upon

industry

standards,

equipment

which

has

not

had

reasonable

and

necessary

maintenance,

equipment

which

has

been

used

for

operation

outside

the

specifications

tor

the

equipment

MANUFACTURERS

PRODUCTS

ARE

INTENDED

FOR

PURCHASE

AND

USE

COMMERCtAL/INDUSTRIAL

USERS

AND

PERSONS

TRAINED

AND

EXPE

RIENCED

THE USE

AND

MAtNTENANCE

WELDING

EQUIPMENT

the

event

warranty

claim

covered

this

warranty,

the

exclusive

remedies

shall

be.

manutacturers

option

(1)

repair:

12)

replacement:

or.

where

autho

rized

writing

manufacturer

appropriate

cases.

(3)

the

reasonable

cost

pair

replacement

authorized

service

station:

(4)

payment

credit

for

the

purchase

price

(less

reasonable

depreciation

based upon

actual

use)

upon

turn

the

goods

customers

risk

and

expense.

manutacturers

option

repair

replacement

will

FOB..

Factory

Appleton.

Wisconsin.

FOB.

stan

autho

rized

service

tacility

determined

manufacturer.

Therefore

compensation

reimbursement

tor

transportation

costs

any

kind

will

allowed.

THE

EXTENT

PERMITTED

LAW.

THE

REMEDIES PROVIDED

HEREIN

ARE

THE

SOLE

AND

EXCLUSIVE

REMEDIES.

EVENT

SHALL

MANUFAC

TURER

LtABLE

FOR

DtRECT.

INDIRECT

SPECIAL.

INCIDENTAL

CON

SEQUENTtAL

DAMAGES

(INCLUDING

LOSS

PROFIT).

WHETHER

BASED

CONTRACT

TORT

ANY

OTHER

LEGAL

THEORY.

ANY

EXPRESS

WARRANTY

NOT

PROVIDED

HEREIN

AND

ANY

tMPLtED

WAR

RANTY.

GUARANTY

REPRESENTATION

PERFORMANCE.

AND

ANY

REMEDY

FOR

BREACH

CONTRACT

TORT

ANY

OTHER

LEGAL

THEORY

WHICH.

BUT

FOR

THtS

PROVISION.

MIGHT

ARISE

IMPLICATION.

OPERATION

LAW.

CUSTOM

TRADE

COURSE

DEALING.

CLUDtNG

ANY

IMPLIED

WARRANTY

MERCHANTABILITY

FITNESS

FOR

PARTICULAR

PURPOSE,

WITH

RESPECT

ANY

AND

ALL

EQUIPMENT

FURNISHED

MANUFACTURER

EXCLUDED

AND

DISCLAIMED BY

MAN

UFACTURER.

Some

states

the

U.S.A.

not

allow

limitations

how

long

implied

warranty

lasts,

the

exclusion

incidental,

indirect,

apecisl

consequential

damages.

the

above

limitation

esclusian

may

not

apply

you.

This

warranty

provides

spe

cific

legal

rights,

and

other

rights

may

available,

bul

may

vary

from

state

state.

Canada.

legislation

some

provinces

provides

for

certain

additional

warranties

remedies

other

than

stated

herein,

and

the

extent

that

they

may

not

waived,

the

limitations

and

exclusions

set

out

above

may

not

apply.

This

Limited

Warranty

provides

specific

legal

rights,

and

other

rights

may

available,

but

may

vary

from

province

province.

RECEIVING-HANDLING

Before

Unpacking

equipment,

check

carton

for

any

damage

that

may

have

occurred

during

shipment.

File

any

claims

for

loss

damage

with

the

delivering

carrier.

Assistance

for

filing

settling

claims

may

obtajned

from

distrjbutor

and/or

equipment

manufacturers

Transportation

Department.

When

requesting

nformation

about

this

equipment,

always

provide

Model

Designation

and

Serial

Style

Number.

Use

the

following

spaces

record

MDdel

Designation

and

Serial

Style

Number

your

unit.

The

information

located

the

rating

label

nameplate.

Model

__________

Serial

Style

No.

Date

Purchase

brand_acct

5/93

PLASMA

ARC

CUTTING

SAFETY

PRECAUTIONS

CUTTING

can

cause

fire

explosion.

Hot

metal

and

sparks

blow

out

from

the

cutting

arc.

The

flying

sparks

and

hot

metal,

hot

workpiece.

and

hot

equipment

can

cause

fires

and

burns.

Check

and

sure

the

area

safe

before

doing

any

cutting.

Protect

yourself

and

others

from

flying

sparks

and

hot

metal.

not

cut

where

flying

sparks

can

strike

flammable

material.

Remove

all

flammables

within

(10.7

the

cutting

arc.

this

not

possible,

tightly

cover

them

with

approved

covers.

alert

that

sparks

and

hot

materials

from

cutting

can

easily

through

small

cracks

and

openings

adjacent

areas.

Watch

for

fire,

and

keep

fire

extinguisher

nearby.

aware

that

cutting

ceiling,

floor,

bulkhead,

partition

can

cause

fire

the

hidden

side.

ELECTRIC

SHOCK

can

kill.

Touching

live

electrical

parts

can

cause

fatal

shocks

severe

burns.

The

torch

and

work

circuit

electrically

live

whenever

the

output

on.

The

input

power

circuit

and

machine

internal

circuits

are

also

live

when

power

on.

Plasma

arc

cutting

requires

higher

voltages

than

welding

start

and

maintain

the

arc

(200

400

volts

are

common),but

also

uses

torches

designed

with

safety

interlock

systems

which

turn

off

the

machine

when

the

shield

cup

loosened

tip

touches

electrode

inside

the

nozzle.

Incorrectly

installed

improperly

grounded

equipment

hazard.

not

touch

live

electrical

parts.

Wear

dry,

hole-free

insulating

gloves

and

body

protection.

Insulate

yourself

from

work

and

ground

using

dry

insulating

mats

covers

big

enough

prevent

any

physical

contact

with

the

work

ground.

not

touch

torch

parts

contact

with

the

work

ground.

Turn

off

power

before

checking,

cleaning,

changing

torch

parts.

Disconnect

input

power

before

installing

servicing

this

equipment.

Lockout/tagout

input

power

according

OSHA

CFR

1910.147

(see

Safety

Standards).

Properly

install

and

ground

this

equipment

according

its

Owners

Manual

and

national,

state,

and

local

codes.

ARC

RAYS

can

burn

eyes

and

skin.

1

Arc

rays

from

the

cutting

process

produce

intense

visible

and

invisible

(ultraviolet

and

infrared)

rays

that

can

burn

eyes

and

skin.

Wear

face

protection

(helmet

shield)

with

correct

shade

filter

protect

your

face

and

eyes

when

cutting

watching.

ANSI

Z49.1

(see

Safety

Standards)

suggests

No.

shade

(with

No.

minimum)

for

all

cutting

currents

less

than

300

amperes.

Z49.1

adds

that

lighter

filter

shades

may

used

when

the

arc

hidden

the

workpiece.

this

normally

the

case

with

low

current

cutting,

the

shades

suggested

Table

are

provided

for

the

operators

convenience.

Wear

approved

safety

glasses

with

side

shields.

Use

protective

screens

barriers

protect

others

from

flash

and

glare;

warn

others

not

watch

the

arc.

Wear

protective

clothing

made

from

durable,

flame-resistant

material

(wool

and

leathert

and

foot

orotection.

not cut

closed

containers

such

tanks

drums.

Connect

work

cable

the

work

the

cutting

area as

practical

prevent

cutting

current

from

traveling

long,

possibly

unknown

paths

and

causing

electric

shock

and

fire

hazards.

Never

cut

containers

with

potentially

flammable

materials

inside



they

must

emptied

and

properly

cleaned

first.

not cut

atmospheres

containing

explosive

dust

vapors.

not

cut

pressurized

cylinders,

pipes,

vessels.

not

cut

containers

that

have

held

combustibles.

Wear

oil-free

protective

garments

such

leather

gloves,

heavy

shirt,

cuffless

trousers,

high

shoes,

and

cap;

14.

not

locate

unit

over

combustible

surfaces.

15.

Remove

any

combustibles.

such

butane

lighter

matches.

from

your

person

before

doing

any

cutting.

Check

and

sure

that

input

power

cord

ground

wire

properly

connected

ground

terminal

disconnect

box

orthat

cord

plug

connected

properly

grounded

receptacle

outlet



always

verify

the

supply

ground.

When

making

input

connections,

attach

proper

grounding

conductor

first.

10.

Frequently

inspect

input

power

cord

for

damage

bare

wiring



replace

cord

immediately

damaged



bare

wiring

can

kill.

Turn

off

all

equipment

when

not

use.

Inspect

and

replace

any

worn

damaged

torch

cable

leads.

not

wrap

torch

cable

around

your

body.

14.

Ground

the

workpiece

good

electrical

(earth)

ground

required

codes.

15.

Use

only

well-maintained

equipment.

Repair

replace

damaged

parts

once.

Wear

safety

harness

working

above

floor

level.

Keep

all

panels

and

covers

securely

place.

not

bypass

try

defeat

the

safety

interlock

systems.

Use

only

torch(es) specified

Owners

Manual.

Keep

away

from

torch

tip

and

pilot

arc

when

trigger

pressed.

Clamp

work

cable

with

good

metal-to-metal

contact

workpiece

(not

piece

that

will

fall

away)

worktable

near

the

cut

practical.

WARNING

PLASMA

ARC

CUTTING

can

hazardous.

PROTECT

YOURSELF

AND

OTHERS

FROM

POSSIBLE

SERIOUS

INJURY

DEATH.

KEEP

CHILDREN

AWAY.

PACEMAKER

WEARERS

KEEP

AWAY

UNTIL

CONSULTING

YOUR

DOCTOR.

cutting,

most

jobs,

exposure

certain

hazards

occurs.

Cutting

safe

when

precautions

are

taken.

The

safety

information

given

below

only

summary

the

complete

safety

information

that

will

found

the

Safety

Standards

listed

the

page.

Read

and

all

Safety

Standards.

HAVE

ALL

INSTALLATION,

OPERATION,

MAINTENANCE,

AND

REPAIR

WORK

PERFORMED

ONLY

QUALIFIED

PEOPLE.

10.

11.

12.

13.

11.

12.

13.

16.

17.

18.

19.

20.

21.

NOISE

can

damage

hearing.

Prolonged

noise

from

some

cutting

applications

can

damage

hearing

levels

exceed

limits

specified

OSHA

(see

Safety

Standards).

Use

approved

ear

plugs

ear

muffs

noise

level

high.

Warn

others

nearby

about

noise

hazard.

Table

Eye

Protection For

Plasma

Arc

Cutting

Current

Level

Amperes

Minimum

Shade

Number

Below

2040

4060

6080

_______

_________ _________

sr2

11/92

Work

confined

space

only

well

ventilated,

while

wearing

air-supplied

respirator.

Fumes

from

cutting

and

oxygen

depletion

can

alter

air

quality

causing

injury

death.

sure

the

breathing

air

safe.

not

cut

locations

near

degreasing,

cleaning,

spraying

operations.

The

heat

and

rays

the

arc

can

react

with

vapors

form

highly

toxic

and

irritating

gases.

not cut

coated

metals,

such

galvanized,

lead,

cadmium

plated

steel,

unless

the

coating

removed

from

the

cutting

area,

the

area

well

ventilated,

and

necessary,

while

wearing

air-supplied

respirator.

The

coatings

and

any

metals

containing

these

elements

can

give

off

toxic

fumes

when

cut.

not

cut

containers

with

toxic

reactive

materials

inside

containers

that

have

held

toxic

reactive

materials



they

must

emptied

and

properly

cleaned

first.

PRINCIPAL

SAFETY

STANDARDS

Safety

Welding

and

Cutting,

ANSI

Standard

Z49.

from

American

Welding

Society,

550

N.W.

LeJeune

Rd,

Miami

FL 33126

Safety

and

Health

Standards,

OSHA

CFR

1910,

from

Superinten

dent

Documents,

U.S.

Government

Printing

Office,

Washington,

D.C.

20402.

Recommended

Practices

for

Plasma

Arc

Cutting,

American

Welding

Society

Standard

AWS

C5.2,

from

American

Welding

Society,

550

N.W.

LeJeune

Rd,

Miami,

33126

Recommended

Safe

Practices

for

the

Preparation

for

Welding

and

Cutting

Containers

That

Have

Held

Hazardous

Substances,

Ameri

can

Welding

Society

Standard

AWS

F4.1

from

American

Welding

ciety,

550

N.W.

LeJeune

Rd,

Miami,

33126

National

Electrical

Code,

NFPA

Standard

70,

from

National

Fire

Pro

tection

Association,

Batterymarch

Park,

Quincy,

02269.

Safe

Handling

Compressed

Gases

Cylinders,

CGA

Pamphlet

P-I,

from

Compressed

Gas

Association,

1235

Jefferson

Davis

High

way,

Suite

501,

Arlington,

22202.

Code

for

Safety

Welding

and

Cutting,

CSA

Standard

17.2,

from

Canadian

Standards

Association,

Standards

Sales,

178

Rexdale

Bou

levard,

Rexdale,

Ontario.

Canada

M9W

R3.

Safe

Practices

For

Occupation

And

Educational

Eye

And

Face

Protec

tion,

ANSI

Standard

Z87.1,

from

American

National

Standards

Institute,

1430

Broadway.

New

York,

10018.

Cutting

And

Welding

Processes,

NFPA

Standard

SiB,

from

National

Fire

Protection

Association,

Batterymarch

Park,

Quincy,

02269.

FUMES

AND

GASES

can

hazardous

your

health

Cutting

produces

fumes

and

gases.

Breathing

these

fumes

and

gases

can

be hazardous

your

health.

Keep

your

head

out

the

fumes.

not

breathe

the

fumes.

inside,

ventilate

the

area

and/or

use

exhaust

the

arc

remove

cutting

fumes

and

gases.

ventilation

poor,

use

approved

air-supplied

respirator.

Read

the

Material

Safety

Data

Sheets

(MSDSs)

and

the

manufacturers

instruction

for

metals

cut,

coatings,

and

cleaners.

PLASMA

ARC

can

cause

injury.

The

heat

from

the

plasma

arc

can

cause

serious

burns.

The

force

the

arc

adds

greatly

the

burn

hazard.

The

intensely

hot

and

powerful

arc

can

quickly

cut

through

gloves

and

tissue.

The

pilot

arc

can

cause

burns



keep

away

from

torch

tip

when

trigger

pressed.

Wearproperflame-retardantclothingcoveringallexposed

body

areas.

Point

torch

away

from

your

body

and

toward

work

when

pressing

the

torch

trigger



pilot

arc

comes

immediately.

Turn

oft

power

source

and

disconnect

input

power

before

Keep

away

from

the

torch

tip.

disassembling

torch

changing

torch

parts.

not

grip

material

near

the

cutting

path.

Use

only

torch(es)

specified

the

Owners

Manual.

-

FLYING

SPARKS

AND

HOT

METAL

can

cause

injury.

Chipping

and

grinding

cause

flying

metal.

welds

cool,

they

can

throw

oft

slag.

Wear

approved

face

shield

orsafety

goggles

with

side

shields.

Wear

proper

body

protection

protect

skin.

Wear

flame-resistant

ear

plugs

ear

muffs

prevent

sparks

from

entering

ears.

CYLINDERS

can

explode

damaged.

Keep

cylinders

away

from

any

cutting

other

electrical

circuits.

Never

allow

electrical

contact

between

plasma

arc

torch

and

Gas

cylinders

contain

gas

under

high

pressure.

damaged,

cylinder

can

explr.de.

Since

gas

cylinders

are

normally

part

metalworking

processes,

sure

treat

them

carefully,

Protect

compressed

gas

cylinders

from

excessive

heat,

cylinder.

Never

cut

on a

pressurized

cylinder



explosion

will

result.

Use

only

correct

gas

cylinders,

regulators,

hoses,

and

fittings

designed

for

the

specific

application;

maintain

them

and

associated

parts

good

condition.

Turn

face

away

from

valve

outlet

when

opening

cylinder

valve.

Keep

protective

cap

place

over

valve

except

when

cylinder

mechanical

shocks,

slag,

open

flame,

sparks,

and

arcs.

use

connected

for

use.

Install

and

secure

cylinders

upright

position

chaining

Read

and

instructions

compressed

gas

cylinders,

them

stationary

support

equipment

cylinder

rack

associated

equipment,

and

CGA

publication

P-i

listed

Safety

prevent

falling

tipping.

Standards.

sr2

11/92

EMF

INFORMATION

NOTE

Considerations

About

Welding

And

The

Effects

Low

Frequency

Electric

And

_____________________

Magnetic

Fields

The

following

quotation

from

the

General

Conclusions

Section

reduce

magnetic

fields

the

workplace,

use

the

following

the

U.S.

Congress,

Office

Technology

Assessment,

Biological

procedures:

Effects

Power

Frequency

Electric

Magnetic

Fields



Keep

cables

together

twisting

taping

them.

Background

Paper,

OTA-8P-E-53

(Washington,

DC:

U.S.

Government

Printing

Office,

May

1989):

.

there

now

very

Arrange

cables

one

side

and

away

from

the

operator.

large

volume

of scientific

findings

based

experiments

the

not

coil

drape

cables

around

the

body.

cellular

level

and

from

studies

with

animals

and

people

which

clearly

Keep

welding

power

source

and

cables

far

away

establish

that

low

frequency

magnetic

fields

can

interact

with,

and

practical

produce

changes

in,

biological

systems.

While

most

this

work

very

high

quality,

the

results

are

complex.

Current

scientific

Connect

work

clamp

workpiece

the

weld

understanding

does

not

yet

allow

interpret

the

evidence

possible.

single

coherent framework.

Even

frustrating,

does

not

yet

About

Pacemakers:

allow

draw

definite

conclusions

about

questions

possible

The

above

procedures

are

among

those

also

normally

risk

offer

clear

science-based

advice

strategies

minimize

recommended

for

pacemaker

wearers.

Consult

your

doctor

for

avoid

potential

risks.

complete

information,

rnodlO

4/93

TABLE

CONTENTS

SECTION

SAFETY

INFORMATION

SECTION

2

SPECIFICATIONS

2-1.

DutyCycle

SECTION

3INSTALLATION

3-1.

Consumables

And

Parts

Supplied

With

Torch

3-2.

Installing

Torch

SECTION

4OPERATING

THE

TORCH

SECTION

5

MAINTENANCE

TROUBLESHOOTING

5-1.

Routine

Maintenance

5-2.

Checking

Detector

Pins

And

Checking/Replacing

Shield

Cup,

Tip,

And

Electrode

5-3.

Troubleshooting

SECTION

6

PARTS

LIST

Figure

6-1.

Torch,

APT-bOO

OM-1

326A



7/93

SECTION



SAFETY

INFORMATION

modl.1

2/93

CAUTION



Read

all

safety

messages

throughout

this

manual.



Obey

all

safety

messages

avoid

injury.



Learn

the

meaning

WARNING

and

CAUTION.

Safety

Alert

Symbol

P!~AI~1;i~II~e1

ELECTRIC

SHOCK

can

kiII.~~

MOVING

PARTS

can

injure

not

touch

live

electrical

parts.

Disconnect

opel

power

betorejj_



Keep

away

from

moving

parts.



Keep

all

panels

and

covers

closed

installing

servicing.

when

operating.

Signal

Word

WARNING

means

possible

death

serious

injury

can

happen.

CAUTION

means

possible

minor

injury

equipment

damage

can

happen.

Statement

Hazard

And

Safety

Instructions

Avoid

Result

Hazard

READ

SAFETY

BLOCKS

start

Section

3-1

before

proceeding.

7H__NOTE

Turn

Off

switch

when

using

high

frequency.

Hazard

Symbol

(If

Available)

Safety

Banner

Read

safety

blocks

for

each

sym

bol

shown.

NOTE

Special

instructions

for

best

oper

ation



not

safety.

Figure

1-1.

Safety

Information

SECTION



SPECIFICATIONS

Table

Cutting

Torch

Specification

Description

Model

Description

APT:

Air

Plasma

Torch;

1000:

lOAmpere

Rating

Ampere

Rating

Amperes

60%

Duty

Cycle

(see

Section

2-1)

Cable

Length

(4.6

Plasma

Gas

Air

Nitrogen

Only

Plasma

Gas

Flow/Pressure

0.6

CFM

PSI

(17

L/min

242

kPa)

Cooling

Method

Air

Cutting

Capacity

5/32

mm)

mild

steel

Overall

Dimensions

See

Figure

2-1

Weight

Net:

3.5

(1.6

kg);

Ship:

4.5

kg)

Inches

MillIrn:ters

1-13/16

5-1/4

133

S-0228

Figure

2-1.

Overall

Dimensions

OM-1

29326

Page

2-1.

Duty

Cycle

CAUTION

EXCEEDING

DUTY

CYCLE

RATINGS

will

damage

power

source

and

torch.



not

exceed

indicated

duty

cycles.

warn71

2/92

Duty

cycle

how

long

the

torch

and

power

source

can

operate

within

ten

minute

period

without

causing

overheating

damage.

This

torch

rated

60%

duty

cycle

when

operated

amperes,

allowing

cutting

minutes

out

10.

the

cutting

amperes

decrease,

the

duty

cycle

increases.

SECTION

3INSTALLATION

___

WARNING

ELECTRIC

SHOCK

can

kill.



not

touch

live

electrical

parts.



Turn

Off

power

source,

and

disconnect

input

power

before

installing

torch.

swam3.1

2/93

3-1.

Consumables

And

Parts

Supplied

With

Torch

shipped

fully

assembled

and

ready

install

onto

power

source.

Electrode

The

following

consumables

are

supplied

with

torch:

Shield

Cup

TIp

Wrench

Use

supplied

wrench

change

tips

and

electrodes

(see

Section

5-2).

ST.800

225

Figure

3-1.

Consumables

And

Parts

Supplied

With

Torch

OM-129

326

Page

3-2.

Installing

Torch

~H

Turn

Off

power

source,

and

disconnect

input

power

plug.

move

wrapper.

Torch

Cable

Front

Panel

Opening

Pilot

Arc/Shield

Cup

Detector

Lead

Shield

Cup

Detector

Lead

Torch

Switch

Leads

and

Route

cable

and

leads

through

front panel

opening.

Terminal

Strip

Connection

Label

Connect

cable

air/torch

()

out

put

connector

which

not

visible

Figure

3-2,

but

located

behind

terminal

strip

iT.

Refer

label

and

connectleads

shown.

Install

wrapper.

Work

Cable

(Supplied

With

Power

Source)

ST-128

701-C

READ

SAFETY

BLOCK

start

Section

before

proceeding.

Tools

Needed:

E:T:III~::::J==:=:c

1/4

5/8in

Figure

3-2.

Installing

Torch

OM-129

326

Page

SECTION

4

OPERATING

THE

TORCH

WARNING

ELECTRIC

SHOCK

can

kill.



Always

wear

dry

insulating

gloves.



Insulate

yourself

from

work

and

ground.



not

touch

live

electrical

parts.



Keep

all

panels

and

covers

securely

place

FUMES

AND

GASES

can

hazardous

your

health.



Keep

your

head

out

the

fumes.



Ventilate

area,

use

breathing

device.



Read

Material

Safety

Data

Sheets

(MSDSs)

and

manufacturers

instructions

for

material

cut.

CUTTING

can

cause

fire

explosion.



not cut

near

flammable

material.



Provide

protection

from

flying

sparks.



Watch

for

fire;

keep

extinguisher

nearby.



not

locate

unit

over

combustible

surfaces.



not

cut

closed

containers.



Allow

work

and

equipment

cool

before

handling.

MOVING

PARTS

can

cause

injury.



Keep

away

from

moving

parts.



Keep

all

doors,

panels,

covers,

and

guards

closed

and

securely

place.

See

Safety

Precautions

beginning

manual

for

sic

cutting

safety

information.

Figure

4-1.

Safety

Equipment

~,_~5

~

ARC

RAYS

can

burn

eyes

and

skin;

NOISE

can

damage

hearing.



Wear

face

protection

with

correct

shade

filter.



Wear

correct

eye,

ear,

and

body

protection.

swarn6.1

10(91

12345

Insulating

Gloves

Safety

Glasses

With

Side

Shields

Welding

Helmet

Face

Shield

Wear

dry

insulating

gloves,

safety

glasses

with

side

shields,

and

welding

helmet

face

shield

with

correct

shade

filter

(see

ANSI

Z49.

1).

Ear

Muffs

Wear

approved

ear

muffs

ear

plugs

noise

exposure

exceeds

OSI-1A

limits.

sb3.1

10(91

OM-129

326

Page

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