Miller SPECTRUM 750 Manuel utilisateur

oWNERS

MANUAL

IMPORTANT:

Read

and

understand

the

entire

contents

this

manual,

with

special

emphasis

the

safety

material

throughout

the

manual,

before

MILLER

ELECTRIC

Mfg.

Co.

AM~o~pud..co~y

installing,

operating,

maintaining

this

equipment.

This

unit

and

these

instructions

are

for

use

only

persons

trained

and

experienced In

the

safe

1079

Appleton,

54912

USA

operation

welding

equipment.

not

allow

untrained

persons

Install,

Tel.

414-734-9821

operate,

maintain

this

unit.

Contact

your

distributor

you

not

fuily

understand

these

instructions.

Miller

February

1990

FORM:

OM-2201A

Effective

With

Serial

No.

KA780044

MODEL:

Spectrum1M

750

SB-134

696

PRINTED

U.S.A

LIMITED

WARRANTY

EFFECTIVE:

FEBRUARY

1990

This

warranty

supersedes

all

MILLER

warranties

and

exclusive

with

other

guarantees

warranties

expressed

implied.

LIMITED

WARRANTY



Subject

the

terms

and

conditions

hereof,

Miller

Electric

Mtg.

Co.,

Appleton,

Wisconsin

warrants

its

Distributor/Dealer

that

all

new

and

unused

Equipment

fur

nished

Miller

free

from

defect

workmanship

and

material

the

time

and

place

delivery

Miller.

warranty

made

Miller

with

respect

engines,

trade

accessories

other

items

manufactured

others.

Such

engines,

trade

cessories

and

other

items

are

sold

subject

the

warranties

their

respective

manufacturers,

any.

All

engines

are

warran

tied

their

manufacturer

fortwo

years

from date

original

pur

chase,

except

Deutz

engines

which

have

one

year,

2000

hour

warranty.

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,

MILLER

MATIC

parts

that

come

contact

with

the

welding

wire

includ

ing

nozzles

and

nozzle

insulators

where

failure

does

not

result

from

defect

workmanship

material.

Millershall

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,

robots,

and

year

components

Load

banks

year

Original

main

power

rectifiers

years

(labor



year

only)

All

welding

guns,

feeder/guns

and

torches

.. .

days

All

other

Millermatic

Feeders

year

Replacement

repair

parts,

exclusive

labor

days

Batteries

months

provided

that

Miller

notified

writing

within

thirty

(30)

days

the

date

such

failure.

matter

general

policy

only,

Miller

may

honor

claims

submitted

the

original

user

within

the

foregoing

periods.

the

case

Millers

breach

warranty

any

other

duty

with

respect

the

quality

any

goods,

the

exclusive

remedies

therefore

shall

be,

Millers

option

(1)

repairor

(2)

replacement

or,

where

authorized

writing

Miller

appropriate

cases,

(3)

the

reasonable

cost

repair

replacement

authorized

Miller

service

station

(4)

payment

orcredit

for

the

purchase

price

(less

reasonable

depreciation

based

upon

actual

use)

upon

return

the

goods

Customers

risk

and

expense.

MILLERs

option

repairor

replacement

will

FOB.,

Factory

Appleton,

Wisconsin,

FOB.

MILLER

authorized

serv

ice

facility,

therefore,

compensation

for

transportation

costs

any

kind

will

allowed.

Upon

receipt

notice

apparent

defect

failure,

Miller

shall

instruct

the

claimant

the

war

ranty

claim

procedures

followed.

ANY

EXPRESS

WARRANTY

NOT

PROVIDED

HEREIN

AND

ANY

IMPLIED

WARRANTY,

GUARANTY

REPRE

SENTATION

PERFORMANCE,

AND

ANY

REMEDY

FOR

BREACH

CONTRACT

WHICH,

BUT

FOR

THIS

PRO

VISION,

MIGHT

ARISE

IMPLICATION,

OPERATION

LAW,

CUSTOM

TRADE

COURSE

DEALING,

CLUDING

ANY

IMPLIED

WARRANTY

MERCHAN

TABILITY

FITNESS

FOR

PARTICULAR

PURPOSE,

WITH

RESPECT

ANY

AND

ALL

EQUIPMENT

FUR

NISHED

MILLER

EXCLUDED

AND

DISCLAIMED

MILLER.

EXCEPT

EXPRESSLY

PROVIDED

MILLER

WRITING,

MILLER

PRODUCTS

ARE

INTENDED

FOR

ULTI

MATE

PURCHASE

COMMERCIAL/INDUSTRIAL

USERS

AND

FOR

OPERATION

PERSONS

TRAINED

AND

EXPE

RIENCED

THE

USE

AND

MAINTENANCE

WELDING

EQUIPMENT

AND

NOT

FOR

CONSUMERS

CON

SUMER

USE.

MILLERS

WARRANTIES

NOT

EXTEND

TO,

AND

RESELLER

AUTHORIZED

EXTEND

MILLERS

WARRANTIES

TO,

ANY

CONSUMER.

ERRATA

SHEET

June

1991

FORM:

OM-2201A

AMENDMENT

SECTION

5

OPERATOR

CONTROLS

Amend

Section

5-4.

TEST/RUN

SWITCH

AMENDMENT

SECTION

6

SEOUENCE

OPERATION

Add

Section

6-4.

PLASMA

ARC

GOUGING

(PAG)

Install

and

connect

unit

according

Section

Wear

dry

insulating

gloves

and

clothing.

Connect

work

clamp

clean,

bare

metal

workpiece.

Place

the

TEST/GOUGE/RUN

switch

the

TEST

position.

After

this

manual

was

printed,

refinements

equipment

design

occurred.

This

sheet

lists

exceptions

data

appearing

later

this

manual.

The

TEST/GOUGE/RUN

switch

provides

means

for

adjusting

the

air

filter/regulator

without

energizing

the

cutting

circuit.

Placing

the

TEST/GOUGE/RUN

switch

the

TEST

position

energizes

the

air

solenoids

allowing

the

air

filter/regulator

properly

set

psi (4.3

bars).

Placing

the

TEST/GOUGE/RUN

switch

the

GOUGE

position

provides

gas/air

the

torch

for

normal

gouging

operations

when

the

torch

switch

pressed.

Placing

the

TEST/GOUGE/RUN

switch

the

RUN

position

provides

gas/air

the

torch

for

normal

cutting

operations

when

the

torch

switch

pressed.

CAUTION:

CUTTING

WHEN

THE

GAS/AIR

SWITCH

GOUGE

POSITION

will

damage

torch.



not

cut

when

GOUGE

position.



Use

GOUGE

position

for

gouging

only.

The

GOUGE

position

provides

inadequate

supply

airflow

for

cooling

during

cutting.

IMPORTANT:

For

gouging

operations,

install

G

style

gouging

tip

the

torch.

the

instructions

the

torch

Owner~s

Manual.

WARNING:

Read

and

safety

information

beginning

entire

Section

before

proceeding.

CAUTION:

TIP

AND

ELECTRODE

WEAR

BEYOND

RECOMMENDED

VALUES

OPERATION

WITHOUT

TIP

ELECTRODE

place

can

damage

torch.



Inspect

shield

cup,

tip,

and

electrode

before

each

use,

hourly

during

operation,

whenever

cutting

speed

has

been

significantly

reduced

(see

Torch

Owners

Manual).



not

operate

torch

without

tip

electrode

place.

IMPORTANT:

For

gouging

operations,

install

G

style

gouging

tip

the

torch.

the

instructions

the

torch

Owners

Manual.

Place

the

POWER

switch

the

position.

The

POWER

light

will

come

on.

CAUTION:

INCORRECT

PLASMA

GAS

can

cause

torch

and

power

source

damage.



Use

only

air

nitrogen

for

the

plasma

gas

supply.



not

use

any

other

gas

combination

gases.

Turn

gas/air

supply

the

source,

and

adjust

air

filter/regulator

psi

(4.3

bars)

while

observing

air

pressure

gauge

rear

unit.

For

proper

regulation,

the

recommended

output

from

the

gas/air

supply

should

provide

minimum

psi

(5.5

bars)

and

maximum

150

psi

(10.3

bars).

Make

pressure

adjustment

according

Figure

4-4

follows:

Loosen

locking

screw

center

air

filter/regulator

adjustment

knob.

Turn

air

filter/regulator

adjustment

knob

clockwise

increase

pressure

setting

and

counterclockwise

decrease

pressure

setting.

Tighten

locking

screw.

Place

the

THICKNESS

OUTPUT

CONTROL

the

desired

position

(see

Section

5-3).

Place

the

TEST/GOUGE/RUN

switch

the

GOUGE

position.

The

READY

light

will

come

indicating

that

the

unit

ready

for

operation.

CAUTION:

CUTTING

WHEN

THE

GAS/AIR

SWITCH

GOUGE

POSITION

will

damage

torch.



not

Cut

when

GOUGE

position.



Use

GOUGE

position

for

gouging

only.

The

GOUGE

position

provides

inadequate

supply

airflow

for

Cooling

during

Cutting.

Wear

safety

goggles

with

correct

filter

shade

according

ANSI

Z49.1.

10.

Place

tip

torch

metal

gouged

approximately

40

angle

the

line

travel

and

press

torch

switch.

There

will

approximately

seconds

preflow

air

followed

approximately

2-1/2

seconds

pilot

arc.

the

gouge

arc

not

started

within

the

2-1/2

seconds

pilot

arc,

the

pilot

arc

will

stop.

The

torch

switch

will

have

released,

and

the

startup

procedure

repeated.

11.

Once

gouging

arc

starts,

establish

arc

length

approximately

ito

1-1/2

in.

(25mm

38mm),

and

slowly

and

smoothly

begin

moving

torch

across

material.

12.

Adjust

torch

speed

and

angle

for

desired

depth

groove

and

that

sparks

are

directed

away

from

the

operator.

not

attempt

remove

too

much

metal

one

pass.

Additional

passes

can

made

achieve

the

desired

depth.

13.

Pause

briefly

end

gouge,

and

then

release

torch

switch.

Postflow

gas/air

will

flow

for

approximately

seconds

cool

the

torch.

another

gouge

started

before

postflow

ends,

the

arc

will

start

immediately.

AMENDMENT

SECTION

ELECTRICAL

DIAGRAMS

Amend

Diagram

8-1.

Circuit

Diagram

For

Power

Source

(see

Page

this

Errata

Sheet)

Amend

Diagram

8-3.

Wiring

Diagram

For

Power

Source

(see

Pages

and

this

Errata

Sheet)

Add

Diagram

8-8A.

Circuit

Diagram

For

Trouble

Light

Board

PC4

(see

Page

this

Errata

Sheet)

Amend

Diagram

8-8B

this

Errata

Sheet.

Circuit

Diagram

For

Trouble

Light

Board

PC4

(see

Page

this

Errata

Sheet)

OM-2201A

Page

r)

-u

C.)

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/~I

1eV.

240.

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PCI/PLC)

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PAIRS

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PO10TE

L~0L

Circuit

Diagram

No.

SC-i

424-A

Diagram

8-1.

Circuit

Diagram

For

Power

Source

Eflective

With

Serial

No.

KA880002

.~.

rt,

CI6~o

!~~~L

GND

a.L~

Diagram

8-3.

Wiring

Diagram

For

Power

Source

Effective

With

Serial

No.

KA880002

1

TEl

iii

_________

(

l~llllll

:::::::::::::::::c:III.~E~III::~

~11JIJll~flftJ1i~1ftJIllll

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CP3

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It~-tl

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________

PLG9

CDXL

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CkASSIS~~1

OM-2201A

Page

-I

C.) C.)

-1

U

~CN1

<CN1

LED2

<CN1

LED3

LEDI

<\CN1

<ON1

LEDS

Circuit

Diagram

No.

SA-135

750

Diagram

8-BA.

Circuit

Diagram

For

Trouble

Light

Board

PC4

<CN1

<CNI

<ON1

<CNI

LED3

~!fl

<ONI

LED4

<CNI

Circuit

Diagram

No.

SAl

674

Diagram

8-8B.

Circuit

Diagram

For

Trouble

Light

Board

PC4

Effective

With

Serial

No.

KB058453

OM-2201A

Page

AMENDMENT

SECTION

10

PARTS

LIST

Amend

Parts

List

follows:

Dia.

Part

Replaced

Mkgs.

No.

With

Description

Quantity

39-12

Added

130

534

TRANSFORMER,

kVA

1/3

24-18-230/460/575

39-16

132

879

140

276

TRANSFORMER,

pwr

main

200/230/460

(Eff

w/KA885936)

(consisting

of)

140

084

COIL,

pri/sec

200/230/460

center

140

083

COIL,

pri/sec

200/230/460

39-16

Added

136

200

TRANSFORMER,

pwr

main

230/460/575

(consisting

of)

39-17

135

984

COIL,

pri/sec

230/460/575

center

39-18

135

983

COIL,

pri/sec

230/460/575

39-37

132

943

135

860

STABILIZER,

(Prior

KA834898)

39-37

135

860

137

762

STABILIZER,

(Eff

w/KA834898

thru

KA873919)

39-37

137

762

139

709

STABILIZER,

(Eff

w/KA873920

thru

KA885935))

39-37

139709

140

118

STABILIZER,

(Effw/KA885936)

39-

132463

SLEEVE,

(APT

7000)

39-

132657

GUIDE,

(APT

7000)

39-

Added

132

658

GUIDE,

stand-off

(APT

5000)

39-

Added

138

755

TIP,

gouge

(Eff

w/KA880002

thru

KB079750)

39-

138

755

143

983

TIP,

gouge

70A

(Eff

w/KB079751)

41-3

089 085

089

085

SWITCH,

(qty

chg

deleted

S4)

(Effw/KA880002)

41-4

098

691

115

443

STAND-OFF,

No.

6-32

.750

(Eff

w/KB058453)

41-6

PC4

125

057

135

748

CIRCUIT

CARD,

display

(Prior

KB058453)

41-6

PC4

135

748

143

514

CIRCUIT

CARD,

display

(Eff

w/KB058453)

41-17

PCi

127

184

136687

CIRCUITCARDASSEMBLY,

regulator

41-22

126

696

138

377

PANEL,

front

(Eff

w/KA880002)

41-

Added

088409

SWITCH,

tgl

DPDT

i5A

125VAC

(Effw/KA880002)

41-26

124

729

136 156

LABEL,

precautionary

plasma

cutting

42-

R65

108

442

RESISTOR,

.25W

392

ohm

45-

VR5O

081

632

083 772

IC,

linear

7815

47-

024

103

BLANK,

snap

nyl

.750

mtg

hole

48-2

C4,14

128

256

142

133

CAPACITOR

~First

digit

represents

page



digits

following

dash

represent

item

no.

SURE

PROVIDE

MODEL

AND

SERIAL

NUMBER

WHEN

ORDERING

REPLACEMENT

PARTS.

OM-2201

Page

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