Miller LCA-1A Owners manual

June

1975

FORM:

OM-1503A

MODEL

LCA.1A

.030 .035 .045

WIRE

WIRE WIRE

STOCK

10

FT. 078896 078897 078898

NO.

15

FT.

078900

078901 078902

ADDITIONAL

PRICE

25

CENTS

COPY

MODEL/STOCK

NO.

OWNERS

MILLER

APPLETON,

SERIAL/STYLE

NO.

MANUAL

ELECTRIC

WISCONSIN,

NWSA

CODE

NO.

DATE

MFG.

USA

4579

PURCHASED

CO.

54911

1-1.

GENERAL

This

manual

personnel

izing

tenance,

tion

presented

essure

Rating:

Duty

250

has

and

troubleshooting

optimum

100

Cycle,

Amperes

With

CO2

been

prepared

with

the

herein

should

performance

PCT.

dcrp

design,

be

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(1

especially

installation,

this

of

equipment.

careful

given

of

this

equipment.

SECTION

Wire

Dia.

(.7mm)

mm)

.1

for

use

operation,

consideration

To

Hard

Figure

in

All

1

Cable

Hose

1-1.

familiar

main

informa

-

INTRODUCTION

and

Cooling

Length

10

15

Method

Air

Specifications

1-4.

to

SAFETY

The

NOTE

and

Net

Weight

13

Lbs.

14

Lbs.

following

blocks

Kilos)

(5.8

Kilos)

(6.3

definitions

found

Ship

Weight

Lbs.

15 16

Lbs.

to

apply

throughout

CAUTION

Kilos)

(6.8

Kilos)

(7.2

CAUTION,

this

manual:

IMPORTANT,

1-2.

RECEIVING-HANDLING

Prior

to

from

around

that

may

or

damage

the

purchaser

and

freight

occasion

When

requesting

essential

Serial

(or

1-3.

DESCRIPTION

This

gun

the

Gas

with

the ordered. used

with

I

Prior feeder disconnected

power

I

2-1.

SHIELDING

Secure output

that

is

shielding

2-2.

GUN

Insert

the

Switch

inserted

will

turn

the

receptacle

tension.

2-3.

WELD

Attach

minalonthe from

the

ELECTRODE

2-4.

(Figure

Proceed

into

tor

Rotate

1.

counterclockwise

installing

have

thet

bill

file

to

that

Style)

is

designed

Metal-Arc

necessary

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to

installing

and

supplies.

the

shielding

connector

be

to

hose

gas

SWITCH

amphenol

Control

into

in

a

CABLE

weld

the

welding

2-1)

follows

as

drive

the

this

the

unit

occurred

may

with

will

claim

information

Model

Numbers

(MIG)

minor

.035,

equipment,

and

during

have

occurred

the

carrier.

be

furnished

arises.

Description

of

specifically

Welding

components

changes

.045

or

clean

all

packing

carefully

shipment.

in

A

copy

by

concerning

and/or

the

equipmentbesupplied.

for

process.

for

in

wire.

inspect

transit

of

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carrier

this

in

use

the

parts

for

Any

must

the

equipment,

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conjunction

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specific

the

SECTION

any

claims

bill

on

Number

gun

material

be

of

request

is

shipped

wire

may

damage

for

filed

lading

with

2

~IL*uhht~hI.I1J

the

welding

used

GAS

from

HOSE

gas

the

on

for

on-off

connector

power

CONNECTION

plug

Receptacle

the

receptacle,

clockwise

and

prevent

CONNECTION

control/feeder

power

source.

from

cable

WIRE

install

to

assembly

Gun

Connector

direction

ensure

gun,

source

the

respective

CONNECTION

hose

connector

control/feeder

controlofthe

has

right

(Figure

on

the

rotate

plug

Gun

control/feeder.

the

this

from

direction;

(Figure

the

gun

the

to

or

OUTLET

the

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the

control/feeder:

on

Securing

four

complete

that

are

or

hand

Switch

plug

will

from

to

desired

the

both

completely

input

the

in

whatever

to

shielding

threading.

2-1)

collar

lock

coming

2-1)

Weld

the

secondary

CONNECTION

Wire

Knob

turns.

control/

electrical

(Figure

shielding

device

gas.

into

fully

Once

far

as

the

plug

out

Cable

Gun

Connec

Screw

or

2-1)

fully

under

cable

loss

by

if

it

is

and

size

be

INSTALLATION

-

I

J

2-5.

gas

The

the

as

Ter

in

2-6.

it

in

a

Under

tenance not

carefully

personnel.

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tenance

not

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ment.

I

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found efficient

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2.

outlet

the

ing

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3. clockwise

Rotate

4. it

will

as

LUBRICATION

The

Lubrication

will

nector

in

aid

ease

the

that

cant

Lubrication

or

equivalent.

CHANGING

time

Each

be

it

will

in

necessary

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the

desired

other,

have for

.030

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these

to

wire

to

holes

the electrode

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wire.

this

heading,

proceduresorpractices

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may

17~TiT1

this

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followed

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may

iri

this

that

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the

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the

direction.

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the

turn

supply

of

wire

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the

size

necessary

components

wire.

is

gun

to

convert

only

be

or

(or

be

performed.

heading,

need

hole

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to

equipped

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changed.

.035

explanatory

special

of

the

Wire

with

the

of

inside

Wire

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in

clockwise

a

CUP(Figure

located

lubricant

feed

through

be

Cup

SIZES

of

the

electrode

to

change

The

following

the

adapt

IMPORTANT

I

for

from

contact

tube

However,

wire

vice

anditis

versa),

emphasis

equipment.

Gun

flat

the

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on

to

filled

(Figure

certain

will

gun

.030

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be

will

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a

safety

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in

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damagetoequip

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obtain

to

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sideofthe

guide

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2-1)

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the

electrode

It

Gun.

the

with

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2-1)

wire

being

components

permit

proper

explain

steps

either

to

.030,

I

.035 wire

or

of

these

(item

if

the

desired

wire

1,

Figure

the

gun

following

and

found

hazard

and

the

fully

connector

hole.

90

degrees

Screw

or

Wire

wire

is

recommended

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used

movement

.035,

enditis

sizestothe

2-1)

is

equipped

to

convert

steps

OM-1503

main

that

main

that

will

into

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in

order

is

changed

so

the

most

that

or

will

if

to

if

be

as

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proce

.045

to

the

fac

in

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far

to

of

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1

a

Page

1

off

Cut

1. tends

Pull

2.

3.

4.

5.

6.

7.

out

monocoil

Remove

tube

tect

Install

Loosen

Pull

nector

out

Itisrecommended monocoil

compressed

any

beyond

all

and

nozzle

contact

(11.

nozzle

set

monocoil

(5).

(3)

air

portion

the

of

rewind

(2).

screw

both

prior

of

end

electrode

the

it

(2).

tube

(4).

(3)

IMPORTANT

the

that

have

to

assembly.

the

onto

(1)

from

the

electrode

contact

wire

the

and

Electrode

monocoil

inside

which

wire

insert

blown

wire

tube

spool.

proper

Wire

casing

(1).

is

out

which

in

size

Gun

(6)

the

and

with

con

Con

gun

to

along

the

side

same

length

8.

ex

Lay

cut

monocoil.

old

new

monocoil

(3)

monocoil

of

new

and

old

the

as

IMPORTANT

which

Do

expanded

lubrication

9.

10.

11.

not

cut

Insert

panded

Continue

until

(6)

of

the

Tighten

2

off

the

this

as

from

the

end

the

into

to

the

Electrode

set

screw

end

expanded

the

Lubricator

of

Electrode

feed

of

end

Wire

(4).

of

the

monocoil

the

Gun

monocoil

the

area

Cup

Wire

(3)

monocoil

Connector

is

necessary

Gun

into

drain

to

(3)

Connector

flush

is

(3)

which

monocoil

(5).

for

the

through.

is

not

(5).

the

with

is

ex

casing

end



P

Page

Connector

Gas

~tlon

Cup

Gun

6

896-2

TB-078

Gun

2-1.

Figure

2

Components

June

1975

FORM:

1503A

MODEL

LCA-1A

.030 .035 .045

WI

WIRE WIRE

RE

STOCK

lOFT 078896 078897 078

898

NO.

15FT

078900 078901 078

902

MODEL/STOCK

NO.

SERIAL/STYLE

PARTS

MILLER

APPLETON,

ELECTRIC

WISCONSIN,

NO.

LIST

MFG.

USA

DATE

PURCHASED

CO.

54911

NWSA

CODE

NO.

4579

lISA

39.

38-

37.

1.

36

45

44

1

1~

18

19

20

40

OM-1503

Page

896-A

TC-078



Figure

A

Exploded

ViewofGun

Assembly

1

Item

No.

Figure

Factory

No.

Part

A

Exploded

View

of

Gun

Description

Assembly

.8MM

.031

.030

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Model

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10

20 20

21

22

28

30 31 32

33

34

35

36

37

38 39

40

41 41

42

43 44 45

13 14 15

16

17

18 19

23

23 24 25

26

27

29

11

12

ft.

1

5

1

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lift.

1

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INSULATOR,tube-head

INSULATOR,

TUBE,

TUBE, TUBE,

NOZZLE NOZZLE

TUBE,

SCREW,

LINER, LINER, LINER,

LINER,

HANDLE,

HOSE,

FERRULE,

NUT,

NIPPLE,

SCREW,

lubricator

CUP, ADAPTER,

SCREW,

INSULATOR, TUBING, CABLE, CABLE,

CABLE,

TERMINAL,

CORD,

329

331

525

PLUG,

CLAMP,

TUBI

CORD,

CLAMP,

HOUSING

886

874

NUT,

WASHER,

SWITCH

887

SCREW,

GROMMET,

RELIEF, LEVER,

845

NUT,

SPRING

.SCREW,

476

CLAMP,

CASING, CASING,

HOSE,

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FERRULE, CONNECTOR,

contact

head

set

monocoil monocoil monocoil monocoil

gun

lOft

gas

15

gas

whippet

brass

self

gun/feeder

set

neoprene

power

weld

power

4

cable

NG,

vinyl

portable

hose

steel

machine

strain

actuating

steel

machine

strap

wire

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REPLACEMENT

PARTS.

OM-1503

Page

2

THE

SIZE

Item

No.

3 3 3

4 4 7 7 7

7

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075790 076030 076031 075814

075963

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contact

contact contact

monocoil

MODEL

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.030 .035 .045

AND

KITS

ON

PAGE

Description

wire wire wire

STOCK

NUMBERS

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Page

3