Miller ps-100 Kullanıcı El Kitabı - Sayfa 8

Kaynak Aksesuarları Miller ps-100 için çevrimiçi göz atın veya pdf Kullanıcı El Kitabı indirin. Miller ps-100 26 sayfaları. Arc welding power source

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1-3.

ARC WELDING

Comply

with

precautions

1-1, 1-2,

and this section.

Arc

Welding, properly

done,

sale

process,

but

careless

operator

invites

trouble. The

equipment

cames

high

currents at

significant voltages.

The

arc

is very

bright

and hot.

Sparks fly,

fumes

rise,

ultraviolet

and in

frared energy

radiates,

weidments

are

hot,

and

com

pressed

gases may be

used. The wise

operator

avoids

unnecessary

risks and

protects

himself and others from

accidents. Precautions

are

described here and in

stan

dards referenced in index.

Burn Protection

Comply

with

precautions

in 1-2.

The

welding

arc

is intense and

visibly bright.

its radiation

can

damage

eyes,

penetrate

lightweight clothing,

reflect

from

light-colored

surfaces,

and burn the skin and eyes.

Skin bums resemble

acute

sunburn,

those from gas-

shielded

arcs are more severe

and

painful.

DONT

GET

BURNED;

COMPLY

WITH

PRECAUTIONS.

Protective

Clothing

Wear

long-sleeve clothing (particularly

for

gas-shielded

arc)

in addition

gloves,

hat,

and shoes

(1 -2A).

nec

essary,

use

additional

protective clothing

such

leather

jacket

sleeves,

flame-proof

apron, and fire-re

sistant

leggings.

Avoid outer

garments

of untreated

cot

ton.

Bare skin

protection.

Wear

dark,

substantIal

clothing.

Button collar

protect

chest and neck and button

pock

ets to

prevent entry

sparks.

Eye

and Head Protection

Protect eyes from exposure

arc.

NEVER look

electric

arc

without

protection.

Welding

helmet

shield

containing

filter

plate

shade

no.

denser

must

be used when

welding.

Place

over

face before

striking

am.

Protect filter

plate

with

clear

cover

plate.

Cracked

broken helmet

shield should NOT

worn;

radiation

can

pass

through

cause

bums.

Cracked, broken,

loose filter

plates

must

replaced

IMMEDIATELY.

Replace

clear

cover

plate

when bro

ken,

pitted,

spattered.-

Flash

goggles

with

side shields MUST

worn

under

the helmet

give

some

protection

the

eyes

should

the helmet

not

be lowered

over

the face before

an arc

struck.

Looking

an arc

momentarily

with

unprotected

eyes

(particularly

high intensity gas-shielded arc)

can

cause a

retinal bum that may leave

permanent

dark

area

in the

field of vision.

Protection of

Nearby

Personnel

Enclosed

welding

area.

For

production welding,

sepa

rate

room or

enclosed

bay

is best. In open

areas,

sur

round the

operation

with

low-reflective,

non-combusti

ble

screens or

panels.

Allow for free air

circulation,

par

ticularly

floor level.

Viewing

the weld. Provide face shields for

all

persons

who will be

looking directly

the weld.

Others

working

area.

See that

all

persons

are

wearing

flash

goggles.

Before

starting

weld,

make

sure

that

screen

flaps

bay

doors

are

closed.

Toxic Fume Prevention

Comply

with

precautions

in 1 -2B.

Generator

engine

exhaust

must

be vented

the outside

air. Carbon monoxide

can

kilt.

Fire and

Explosion

Prevention

Comply

with

precautions

1-2C.

Equipments

rated

capacity.

not

overload

arc

weld

ing equipment.

It may overheat cables and

cause a

fire.

Loose cable connections may overheat

flash and

cause a

fire.

Never strike

an arc on a

cylinder

other pressure

ves

sel. It creates

brittle

area

that

can cause a

violent rup

ture

lead

such

rupture

under

rough handling.

Compressed

Gas

Equipment

Comply

with

precautions

in 1 -2D.

Shock Prevention

Exposed

hot conductors

other bar metal in the weld

ing

circuit,

ungrounded, electrically-HOT equip

ment

can

fatally

shock

person whose

body

becomes

conductor. DO

NOT

STAND, SIT, LIE,

LEAN

ON,

TOUCH

wet surface when

welding,

without suitable

protection.

protect

against

shock:

Keep body

and

clothing dry.

Never work in

damp

area

without

adequate

insulation

against

electrical shock.

Stay

on a

dry

duckboard,

rubber

mat

when

dampness

sweat

can

not

be avoided.

Sweat,

sea

water,

mois

ture

between

body

and

electrically

HOT

part-or

grounded

metal-reduces the

body

surface electrical

sistance,

enabling dangerous

and

possible

lethal

cur

rents to flow

through

the

body.

Grounding

the

Equipment

When

arc

welding equipment

grounded according

the National Electrical

Code,

and the work is

grounded

according

ANSI Z49.1

usafety

Welding

And Cut

ting,

voltage

may exist between the electrode

and

any

conducting object. Examples

conducting objects

clude,

but

are

not

limited to,

buildings,

electrical

tools,

work

benches,

welding

power

source

cases,

workpieces,

etc.

Never touch the electrode

and

any

metal

object

unless the

welding

power

source

Is oft.

When

installing,

connect

the frames of each unit such

welding

power

source,

control,

work

table,

and

water

cir

culatorto the

building ground.

Conductors

must

be ade

quate

carry

ground

currents

safely. Equipment

made

electrically

HOT

stray

current

may

shock,

possibly

tally.

Do NOT GROUND

electrical

conduit,

orto

pipe

carrying

ANY

gas ortlammable

liquid

such

oil

fuel.

F2544 Pace