Miller Electric APT-1000 Manuale utente

June

1989

FORM:

129

326

OWN

ERS

MANUAL

AUTO

ARC

MILLER

ELECTRIC

MFG.

CO~



718

BOUNDS

ST.

P.O.

Box

1079



APPLETON.

54912

USA

ADDITIONAL

COPY

PRICE

CENTS

MODEL

IMPORTANT

Read

and

understand

the

entire

contents

this

manual,

with

special

emphasis

the

safety

material

throughout

the

manual,

before

installing,

operating,

maintaining

this

equip

ment.

This

unit

and

these

Instructions

are

for

use

only

persons

trained

and

experienced

the

safe

operation

welding

equipment.

not

allow

trained

persons

install,

operate,

maintain

this

unit.

Contact

your

distributor

you

not

fully

understand

these

instructions.

APT-i

000

NWSA

CODE

NO.

4579

PRINTED

U.S.A.

~--~-

-~-.

ONE

YEAR

LIMITED

WARRANTY

COVERAGE



Miller

Electric

Mfg.

Co.

warrants

the

buyer

who

purchases

this

Auto

Arc

Welder

(Welder)

for

personal,

family

orhousehold

purposes

(Consumer)

thatthis

Welderwill

free

from

defects

material

and

workmanship

fora

period

one

year from

the

date

purchase.

This

warranty

covers

only

the

original

purchaser

this

Welder.

Miller

Electric

does

not

authorize

any

party,

including

its

authorized

distributors,

offer

any

other

warranty

behalf

Miller

Electric.

Upon

expiration

the

warranty

period,

Miller

Electric

shall

have

further

liabil

ity

the

Welder,

except

warranty

claims

made

ring

the

warranty

period.

THIS

WARRANTY

OFFERED

LIEU

ANY

OTHER

EXPRESS

WARRANTY;

AND,

EXCEPT TO

THE

EXTENT

PROHIBITED

APPLICABLE

LAW,

THE

DURATION

ALL

IMPLIED

WARRANTIES,

INCLUDING

BUT

NOT

LIMITED

THE

IMPLIED

WARRANTIES

MERCHAN

TABILITY

AND

FITNESS

FORA

PARTICULAR

PURPOSE,

LIMITED

THE

DURATION

THIS

WARRANTY.

Some

states

not

allow

limitations

how

long

implied

warranty

lasts,

the

above

limitation

may

not

apply

you.

This

warranty

gives

you

specific

legal

rights,

and

you

may

also

have

other

rights

which

vary

from

state

state.

Except

specified

below,

Millers

warranty

does

not

apply

components

having

normal

useful

life

less

than

one

(1)

year,

such

spot

welder

tips,

relay

and

contactor

points,

parts

that

come

contact

with

the

welding

wire

including

nozzles

and

nozzle

insulators

where

failure

does

not

result

from

defect

workmanship

material.

Miller

shall

required

honor

warranty

claims

warranted

Equipment

the

event

failure

resulting

from

defect

within

the

following

periods

from

the

date

delivery

Equipment

the

original

user:

Arc

welders,

power

sources,

and

components

...

year

Original

main

power

rectifiers

years

(labor



year

only)

All welding

guns,

feeder/guns

and

torches

days

Replacement

repair

parts,

exclusive

labor

days

WHAT

NOT

COVEREDThis

warranty

does

not

extnd

any

Welder

subjected

misuse,

neglect,

accident,

in-

warranty

repair

anyone

except

Miller

Electric.

Further,

this

warranty

only

extends

those

purchasing

the

Welder

for

per

sonal,

family

household

purposes.

Commercial

and

indus

trial

users

are

given

different

warranty.

REMEDY

FOR

DEFECTIVE

WELDER



Upon

receipt

any

defective

Welder,

Miller

Electric

will,

its

option,

repair

place

the

defective

Welder

its~xpense,

refund

credit

the

purchase

price

(less

reasonable

depreciation

based

actual

use),

reimburse

the

Consumer

for

the

cost

repair

placement

approved

Miller

Electric

warranty

station,

pro

vided

that

the

purchaser

that

Welder

has

followed

the

proce

dure

for

obtaining

warranty

performance

set

forth

below.

The

Welder

repaired

used

replacementwill

shipped

the

purchaser

the

defective

Welder,

with

transportation

charges

prepaid

any

destination

the

continental

United

States

(transportation

charges

shipments

Alaska

Hawaii

will

paid

only

the

nearest

port

export).

THE

PURCHASERS

REMEDIES

FOR

DEFECTIVE

WELDER,

THE

EXTENT

PERMITTED

APPLICABLE

LAW,

ARE

LIMITED

THE

REMEDY

PROVIDED

THIS

WARRANTY:

AND,

THE

EXTENT

ENFORCEABLE

UNDER

APPLICABLE

LAW,

MILLER

ELECTRIC

SHALL

EVENT

LIABLE

FOR

CONSEQUENTIAL,

INCIDEN

TAL

SPECIAL

DAMAGES

ARISING

OUT

THE

USE

OF,

INABILITY

USE,

THE

WELDER,

WHETHER

BASED

BREACH OF

THIS

WARRANTY,

MILLER

ELECTRICS

NEGLIGENCE

OTHER

TORT,

ANY

THEORY

STRICT

LIABILITY.

Some

states

not

allow

the

exclusion

limitation

conse

quential

incidental

damages,

the

above

limitations

may

not

apply

you.

PROCEDURE

FOR

OBTAINING

WARRANTY

PERFORM

ANCE

soon

any

defect

Welder

becomes

known,

the

pur

chaser

the

Welder

must,

within

thirty

(30)

days,

notify

approved

Warranty

Station

Miller

Electric

writing

the

defect.

The

purchaser

must

then,

within

the

one

year

warranty

period,

return

the

Welder

Miller

Electric

the

following

dress:

Miller

Electric

Mfg.

Co.

1635

Spencer

St.

P.0

Box

1079

Appleton,

Wisconsin

54912

All

transportation

charges

Warranty

Station

Miller

Electric

must

prepaid.

RECEIVING-HANDLING

Before

unpacking

equipment,

check

carton

for

any

dam-

Use

the

following

spaces

record

the

Model

Designa

age

that

may

have

occurred

during

shipment.

File

any

tion

and

Serial

Style

Number

your

unit.

The

infor

claims

for

loss

damage

with

the

delivering

carrier.

mation

located

the

data

card

the

nameplate.

Assistance

for

filing

settling

claims

may

obtained

from

the

distributor

and/or

the

equipment

manufactur-

Model

________________________________________

ers

Transportation

Department.

Senal

Style

No.

_________________________

When

requesting

information

about

this

equipment,

ways

provide

the

Model

Description

and

Serial

Style

Date

Purchase

__________________________

Number.

TABLE

CONTENTS

Section

No.

Page

No.

SECTION



SAFETY

RULES

1-1.

Prevent

Electric

Shock

1-2.

Prevent

Fires

And

Burns

1-3.

Provide

Protection

From

Fumes

And

Gases

1-4.

Protect

Eyes

And

Skin

From

Arc

Rays;

Protect

Ears

From

Noise

1-5.

Protect

Compressed

Gas

Cylinders

1-6.

Provide

Proper

Equipment

Maintenance

1-7..

Additional

Safety

Information

SECTION

2

SAFETY

PRECAUTIONS

AND

SIGNAL

WORDS

2-1.

General

Information

And

Safety

2-2.

Safety

Alert

Symbol

And

Signal

Words

SECTION

3

SPECIFICATIONS

3-1.

Duty

Cycle

3-2.

Description

SECTION

4INSTALLATiON

4-1.

Removing

Torch

4-2.

Installing

Torch

SECTION

5

SEQUENCE

OPERATION

5-1.

Plasma

Arc

Cutting

(PAC)

5-2.

Cutting

Problems

And

Recommendations

5-3.

Shutting

Down

SECTION

6

MAINTENANCE

6-1.

Routine

Maintenance

6-2.

Shield

Cup,

Tip,

And

Electrode

Inspection

And

Replacement

Section

Page

No.

SECTION



PARTS

LIST

Figure

7-1.

Torch,

APT-i 000

LIST

CHARTS

AND

TABLES

Table

3-1.

Specifications

Table

6-1.

Maintenance

Schedule

SECTION

SAFETY

RULES

WARNING:

UNSAFE

PROCEDURES

Whenever

possible,

cut

over

water

table

PRACTiCES

can

cause

serious

personal

in-

worktable

designed

minimize

sparks

and

ir~

Jury

death

and

cause

fires,

hazards.



Read,

understand,

and

ALL

these

Cutting

aluminum

plate

water

table

may

safety

rules

before

installing,

operating,

seri

icing

this

equipment.

cause

hydrogen

detonation

beneath

the

workpiece.

Contact

equipment

manufacturer



sure

that

all

end

users

this

equipment,

for

recommended

practices

for

cutting

alumi

the

operator

and

helpers,

read

and

understand

num.

these

safety

rules.



addition,

sure

that

all

users

this

equip-

not

cut

pressunzed

lines,

pipes,

ntain

ment

read

and

the

formation

this

ers.

ri~g

has

entire

Owners

ManuaL

not

cut

electrical

conduit

unless

all

been

removed.

1-1.

PREVENT

ELECTRIC

SHOCK

Watch

for

fire,

and

keep

fire

extinguisher

nearby.

Touching

live

electrical

parts

can

cause

severe

burns

the

body

fatal

shock.

Severity

electrical

shock

de-

For

additional

information,

refer

FPA

Stan

termined

the

path

and

amount

current

through

the

dard

listed

Section

1-7.

body.

Therefore:

1-3.

PROVIDE

PROTECTION

FROM

FUMES

AND

not

touch

live

electrical.parts.

GASES

not

work

wet

damp

areas.

Breathing

cutting

fumes

and

gases

can

hazardous

your

health.

Wear

dry

insulating

gloves

and

body

protection.

Keep

your

head

out

the

fumes.

Disconnectallpowerbeforeinstallingorservic-

Use

adequate

ventilation

the

work

area

ing

this

equipment.

keep

fumes

and

gases

from

your

breathin~

Turn

off

all

equipment

when

not

use.

zone

and

the

general

work

area.

Properly

install

and

ground

thecutting

power

ventilation

inadequate,

use

approved

source

according

its

Owners

Manual

and

all

breathing

device.

applicable

codes.

Read

the

Material

Safety

Data

Sheets

(MSDSs)

and

the

manufacturers

instructions

for

any

not

use

worn

damaged

cables

materials

cut.

that

are

too

small

poorly

spliced.

not

cut

containers

materials

which

have

not

wrap

cables

around

your

body.

held

been

contact

with

hazardous

sub

Turnoff

the

power

source

before

touching

torch

stances

unless

they

are

property

cleaned

and

tip

removing

any

torch

parts.

prepared

according

AWS

standard

F4.1

listed

Section

1-7.

Use

only

well-maintained

equipment.

Repair

replace

damaged

parts

once.

not

cut

painted,

plated,

coated

parts

unless

special

ventilation

provided

remove

1-2.

PREVENT

FIRES

AND

BURNS

highly

toxic

fumes

gases.

The

flying

sparks

and

hot

metal,

hot

workpiece,

and

hot

aware

that

cutting

containers,

such

bar-

equipment

can

cause

fires

and

bums.

rels,

tanks,

and

pipes

can

result

explosions,

fire,

poisonous

fumes.

Therefore,

cut

con-

not cut

where

flying

sparks

can

strike

lam-

tainers

only

after

they

have

been

properly

mable

material.

cleaned

and

prepared

according

AWS

stan

Remove

allflammables

from

the

work

area,

dard

F4.1

listed

Section

1-7.

move

work

different

lOcation free

com-

aware

that

vapors

from

chlorinated

solvents

bustible material,

such

trichloroethylene

and

perchloro

Protect

yourself

and

others

from

flying

sparks

ethylene

can

decomposed

the

heat

and

hot

metal.

light

rays

from

the

arc

form

Phosgene,

highly

toxic

gas,

well

other

lung

and

eye

Wear

correct

eye,

face,

and

body

protection

irritating

products.

Therefore,

DO NOT

CUT

the

work

area.

where

solvent

vapors

can

drawn

into

the

cut-

129

326

Page

ting

atmosphere,

where

arc

rays

can

pene

trate

atmospheres

containing

even

minute

amounts

trichloroethylene

perchloro

ethylene.

not cut

confined

space

unless

being

well

ventilated

or,

necessary,

while

wearing

air-supplied

respirator.

not

cut

coated

metals

unless

the

coating

removed

from

the

work

surface,

the

area

well

ventilated,

or,

necessary,

while

wearing

air-

supplied

respirator.

1-4.

PROTECT

EYES

AND

SKIN

FROM

ARC

RAYS;

PROTECT

EARS

FROM

NOISE

Arc

rays

from

the

cutting

process

produce

intense

heat

and

strong

ultraviolet

rays

that

can

burn

eyes

and

skin.

Noise

from

some

cutting

processes

can

damage

hear

ing.

Wear

welding

helmet

fitted

with

proper

filter

lens

face

shield

with

correct

filter

shade

(see

ANSI

Z49.i

and

ANSI

Z87.1

listed

Sec

tiOn

1-7

for

detailed

information).

Use

protective

screens

barriers

protect

others

from

flash

and

glare.

Wear

protective

clothing

and

foot

protection.

Aiways

wear

safety

glasses

safety

goggles

work

area.

Wear

proper

ear

protection.

1-5.

PROTECT

COMPRESSED

GAS

CYLINDERS

Since

gas

cylinders

are

often

part

the

cutting

process,

sure

treat

them

carefully.

Protect

compressed

gas

cylinders

from

exces

sive

heat,

mechanical

shocks,

and

arcs.

Install

and

secure

cylinders

that

they

cannot

fall

tip

over

fastening

them

mounting

bracket,

wall,

other

stationary

support.

Keep

cylinders

away

from

any

cutting

other

electrical

circuits.

1-6.

PROVIDE

PROPER

EQUIPMENT

MAINTE

NANCE

Improperly

maintained

equipment

can

result

poor

work,

but

most

importantly

can

cause

physical

injury

death

through

fires

electrical

shock.

Therefore:

Always

have

qualified

personnel

perform

the

installation,

troubleshooting,

and

maintenance

work.

not

perform

any

electrical

work

unless

you

are

fully

qualified.

Before

performing

any

maintenance

work

torch

inside

power

supply,

disconnect

the

płwer

supply

from

the

electrical

power

source.

Maintainlorch

and

cables,

groundingwire,

con

nections,

power

cord,

and

power

supply

safe

working

order.

not

operate

any

equipment

questionable

condition.

not

abuse

any

equipment

accessories.

Keep

equipment

away

from

heat

sources

such

furnaces,

wet

conditions

such

water

pud

dles,

oil

grease,

corrosive

atrT%~spheres,

and

inclement

weather.

Keep

all

safety

devices,

handles,

guards,

pan

els,

and

covers

position

and

good

repair.

Use

equipment

for

its

intended purpose.

not

modify

any

manner.

1-7.

ADDITIONAL

SAFETY

INFORMATION

For

information

safe

prac~ic~es

for

setting

and

operating

electric

cutting

equipment

and

good

work

ing

habits,

refer

the

latest

revisions

the

following.

standards,

and

comply

applicable.

ANSI

Standard

Z49.1,

SAFETY

WELDING

AND

CUTTING,

obtainable

from

the

American

WeIdin~

Soci

ety,

550

N.W.

LeJeune

Rd,

Miami,

33126.

OSHA,

SAFETY

AND

HEALTH

STANDARDS,

CFR

1910,

obtainable

from

the

Superintendent

Docu

ments,

U.S.

Government

Printin~

Office,

Washington,

D.C.

20402.

ANSI

Standard

Z87.1,

PRACTICE

FOR

OCCUPA

TIONAL

AND

EDUCATIONAL

EYE

AND

FACE

PRO

TECTION,

obtainable

from

the

american

National

Stan

dards

Institute,

1430

Broadway,

New

York,

10018.

ANSI

Standard

Z49.2,

FIRE

PREVENTION

ll4

THE

USE

CUTTING

AND

WELDING

PROCESSES,

tainable

from

the

American

National

Standards

Institute,

1430

Broadway,

New

York,

10018.

American

Welding

Society

Standard

AWS

F4.1,

REC

OMMENDED

SAFE

PRACTICES

FOR

THE

PREPA

RATION

FOR

WELDING

AND

CUTTING

CON

TAINERS

THAT

HAVE HELD

HAZARDOUS

SUB

STANCES,

obtainable

from

the

American

Welding

Soci

ety,

550

N.W.

LeJeune

Rd,

Miami,

33126.

NFPA

Standard

70,

NATIbNAL

ELECTRICAL

CODE,

obtainable

from

the

National

Fire

Protection

Associa

tion,

Batterymarch

Park,

Quincy,

02269.

American

Welding

Society

Standard

AWS

C5.2,

REC

OMMENDED

PRACTICES

FOR

PLASMA

ARC

CUT

TING,

obtainable

from

the

American

Welding

Society,

550

N.W.

LeJeune

Rd,

Miami,

33126.

NFPA

Standard

51B,

CUTTING

AND

WELDING

PROCESSES,

obtainable

from

the

National

Fire

Protec

tion

Association,

Batteryrnarch

Park,

Quincy,

02269.

GSA

Standard

17.2,

CODE

FOR

SAFETY

WELD



ING

AND

CUTTING,

obtair~abIe

from

the

Canadian

Standards

Association,

Standards

Sales,

178

Rexdale

Boulevard,

Rexdale,

Ontario,

Canada

M9W

R3.

See

also

the

Standards

Booklet

Index

the

cutting

power

source

Owners

Manual.

129

326

Page

SECTION

SAFETY

PRECAUTIONS

AND

SIGNAL

WORDS

2-1.

GENERAL

INFORMATION

AND

SAFETY

2-2.

SAFETY

ALERT

SYMBOL

AND

SIGNAL

WORDS

A.

General

The

following

safety

alert

symbol

and

signal

words

are

Information

presented

this

manual

and

various

Ia-

used

throughout

this

manual

call

attention

and

iden

bels,

tags,

and

plates

the

unit

pertains

equipment

tify

different

levels

hazard

and

special

instructions.

design,

installation,

operation,

maintenance,

and

P~

This

safety

alert

symbol

used

with

the

signal

troubleshooting

which

should

read,

understood,

and

words

WARNING

and

CAUTION

call

atten

followed forthe safe

and

effective

use

of this

equipment.

tion

the

safety

statements.

Safety

WARNING

statements

identify

procedures

The

installation,

operation,

maintenance,

and

trouble-

practices

which

must

followed

avoid

seri

shooting

plasma

arc

cutting

equipment

requires

prac-

ous

personal

injury

loss

life.

tices

and

procedures

which

ensure

personal

safety

and

the

safety

others.

Therefore,

this

equipment

CAUTION

statements

identify

procedures

installed,

operated,

and

maintained

only

qualified

practices

which

must

followed

avoid

minor

persons

accordance

with

this

manual

and

all

applica-

personal

injury

damage

this

equipment.

ble

codes

such

as,

but

not

limited

to,

those

listed

the

end

Section



Safety

Rules

and

Section



Safety

IMPORTANT

statements

identify

special

instructions

Rules

For

Plasma

Arc

Cutting

(PAC)

the

power

source

necessary

for

the

most

efficient

operation

this

equip-

Owners

Manual.

ment.

SECTION

3SPECIFICATIONS

Table

3-1.

SpecIfIcations

Amperage

Rating

60%

Duty_Cycle

Cable

Length

Plasma

Gas

Air

Coolina

Method

Weight

Net

Ship

Amperes

(4.6m)

0.6CFM

(17

LJmin.)

PSI

(1242

kPa)

Air

3.5

lbs.

(1.6

kg)

4.5

lbs.

(2.0

kg)

5-1/4

In.

(136

mm)

rrn-ii

(4~

~n)

L_J

(23

mm)

Figure

3-1.

Overall

DImensIons

s-ova

129326

Page

3-1.

DUTY

CYCLE

The

duty

cycle

the

percentage

ten

minute

period

that

the

torch

can

operated

given

load

without

overheating

and

damaging

the

torch.

The

torch

rated

percent

duty

cycle;

therefore,

the

torch

can

erated

amperes

for

six

consecutive

minutes,

but

must

operate

load

forthe

remaining

four

minutes

allow

for

proper

cooling.

CAUTION:

EXCEEDiNG

THE

RATED

PERAGE

and

duty

cycle

will

damage

the

torch.



not

exceed

rated

amperage

and

dutycycle

stated/n

Table

3-1.

3-2.

DESCRIPTION

The

model

APT-i

000

torch

designed

specifically

for

the

Plasma

Arc

Cutting

(PAC)

process.

The

torch

can

cut

through

all

metals

with

the

capacity

cut

3/16

in.

(4.7

mm)

mild

steel.

The

torch

designed

protect

the

operatorfrom

touch

ing

live

internal

torch

parts.

This

safety

design

accom

plished

means

shield

cup

detector

circuit.

the

shield

cup

comes

loose

removed,

the

circuit

opened.

The

torch

equipped

with

two

shield

cup

detec

tor

leads

which

provide

safety

circuit

for

the

operator

when

they

are

property

connected

the

plasma

arc

cut

ting

power

source.

These

leads

are

connected

two

pins

the

torch

head

which

make

contact

with

the

shield

cup

thereby

completing

the

safety

circuit

the

power

source.

The

power

source

must

designed

that

when

this

circuit

open

there

will

power

the

torch.

The

alphanumeric

model

designation

refers

the fol

lowing:

A-Air

Plasma

T-Torch

1000

Amperage

Rating:

Amperes

Plasma

air

which

has

been

heated

extremely

high

temperature

and

ionized

that

the

air

becomes.

electrically

conductive.

The

electrode

located

inside

the

tip

the

torch.

The

torch

tip

has

small

opening

(ori

fice)

which

constricts

the

arc.

The

compressed

air

flows

through

the

arc

where

heated

the

plasma

tem

perature

range.

Since

the

air

cannot

expand

due

the

constriction

the

tip,

air

forced

through

the

orifice

and

emerges

the

form

highly

compressed

airstream.

The

heat

formed

the

arc

and

the

plasma

melts

the

metal,

and

the

airstream

forces

the

molten

metal

from

the

cut.

SECTION

INSTALLATION

IMPORTANT:

See

powersource

Owners

Manualforlo

cation

torch

connections.

4-1.

REMOVING

TORCH

(FIgure

4-1)

remove

torch,

refer

Figure

4-1,

and

proceed

fol

WARNING:

ELECTRIC

SHOCK

can

kIll.



not

touch

live

electrical

parts.



Turn

off

power

source,

and

remove

input

power

plug

from

receptacle

before

inspecting

installing.

MOVING

PARTS

can

cause

serIous

Injury.



Keep

away

from

moving

parts.

HOT

SURFACES

can

cause

severe

burns.



Allow

cooling

period

before

servicing.

Open

lower

front

panel

access

door

remove

wrapper,

applicable.

Loosen

strain

relief,

and

disconnect

torch

cable

from

air/torch

(-)

output

connector.

Disconnect

pilot

arc/shield

cup

detector

lead

and

shield

cup

detector

lead

from

terminal

strip

iT.

Disconnect

torch

switch

leads

and

from

terminal

strip

1T.

Remove

torch

cable

and

leads

from

power

source.

4-2.

INSTALLING

TORCH

(FIgure

4-1)

install

torch,

refer

Figure

4-1,

and

proceed

follows:



Turn

off

power

source,

and

remove

input

power

plug

from

receptacle

before

inspecting

installing.

MOVING

PARTS

can

cause

serIous

Injury.



Keep

away

from

moving

parts.

HOT

SURFACES

can

cause

severe

burns.



Allow

cooling

period

before

servicing.

Route

new

torch

cable

and

leads

through

strain

relief.

Connect

torch

cable

air/torch

(-)

output

connector.

Connect

pilot

arc/shield

cup

detector lead

ito

termi

nal

on1T.

Connect

shield

cup

detector

lead

terminal

iT.

Connect

torch

switch

lead

terminal

iT.

Connect

torch

switch

lead

terminal

iT.

lows:

WARNING:

ELECTRIC

SHOCK

can

kIll.



not

touch

live

electrical

parts.

129

326

Page

Secure

torch

cable

and

leads

strain

relief.

and

secure

lower

front

panel

access

door

reinstall

and

secure

wrapper.

Torch

Reconnect

power

source

input

power

plug

into

115

volts

receptacle.

TC-124

813

Figure

4-1.

Torch

Connections

And

Parts

Torch

Body

Shield

Cup

lIp

Electrode

TIp

And

Electrode

Wrench

Torch

Handle

Pilot

Arc/Shield

Cup

Detector

Lead

Air/Torch

(),

Connector

Torch

Switch

Leads

And

129

326

Page

SECTION

5

SEQUENCE

OPERATION

WARNING:

PLASMA

ARC

CUTTING

can

hazardous;

FIRE

EXPLOSION

can

result

from

placing

unit

near

com

bustible

surfaces.



Only

qualified

persons

are

operate

this

equipment

according

all

codes

and

ployers

safety

practices.



not

locate

unit

over

combustible

sur

faces.



Keep

children

away.

CUTTING

CONTAINERS,

such

bar

rels,

tanks,

and

pipes,

can

result

plosions,

fire,

poisonous

fumes.



Cut

containers

only

after

they

have

been

properly

cleaned

and

prepared.



Never

cut

pressurized

lines,

pipes,

containers.

ELECTRIC

SHOCK

can

kill;

IMPROPER

AIRFLOW

AND

EXPOSURE

ENVI

RONMENT

can

damage

internal

parts.



not

touch

live

electrical

parts.



Keep

all

covers,

panels,

and

guards

curely

place.



Wear

dry

insulating

gloves

and

body

pro

tection.



not

use

cables

torch

with

damaged

insulation.



Turn

off

power

source,

and

remove

input

power

plug

from

receptacle

before

cleaning

slag

from

torch

tip

replacing

any

torch

parts.



Maintain

least

inches

(254

mm)

unrestricted

space

all

sides

power

source,

and

keep

underside

free

obstruc

tions.



not

place

any

filtering

device

over

the

intake

air

passages

the

power

source.

Warranty

void

the

power

source

oper

ated

with

any

portion

the

outer

enclosure

removed.

FUMES

AND

GASES

can

seriously

harm

your

health.



Keep

your

head

out

any

fumes.



Ventilate

area,

use

approved

breath

ing

device.



Read

Material

Safety

Data

Sheets

(MSDSs)

and

manufacturers

instructions

for

any

materials

used.



When

possible

cut

over

water

table

work

table

designed

minimize

fumes,

gases,

and

sparks,

except

for

aluminum



see

statement.



Cutting

aluminum

water

table

may

cause

hydrogen

detonation

beneath

the

workpiece.

Contact

equipment

manufac

turer

for

recommended

pra

ctices

for

cutting

aluminum.

FLYING

SPARKS

AND

HOT

METAL

can

cause

fire

and

burns.



not

cut

where

flying

sparks

can

strike

flammable

materiaL

Protect

yourself

and

others

from

flying

sparks

and

hot

metal.



Allow

work

and

equipment

cool

before

handling.



Watch

for

fire,

and

keep

fire

extin

guisher

nearby.

ARC

RAYS

can

burn

eyes

and

skin;

NOISE

can

damage

hearing.



Wear

safety

goggles

with

correct

filter

shade.



Wear

face

shield.



Cover

skin.



Protect

ears.

PILOT

ARC

can

cause

burns..



Keep

torchtipawayfrompersonnel

when

switch

pressed.

CUTTING

WORKPIECE

ON CONCRETE

FLOOR

can

cause

concrete

explode.



not

place

workpiece

directly

con

Crete

floor.

HOT

METAL

SPARKS

will

mark

glass

and

burn

trim.



Remove,

cover,

protect

any

glass

trim.

CUTTING

CURRENT

can

damage

vehi

cle

computer(s)

and

other

electronic

components.



Disconnect

both

battery

cables

before

cutting

vehicle.



Place

work

clamp

the

cut

possible

avoid

long

electrical

paths.



sure

torch

power

source

well

as

lead

connections

work

clamp

are

clean

and

tight.



minimize

risk,

disconnect

the

com

puter(s)

from

the

vehicle.

See

Section

Safety

Rules

and

Section



Safety

Rules

For

Plasma

Arc

Cutting

(PAC).in

the

power

source

Owners

Manual

for

basic

safety

information.

129

326

Page

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