Miller MMT-400A1 Owners manual

January

1979

FORM:

OM-1023A

FOLE

RETURN

Effective

COPY

TO

With

Style

MODEL

M

MT-300A

MMT-400A1

FOLDER

No.

1

HJ-6

OWN

ERS

MANUAL

MILLER

718S.BOUNDS

APPLETON,

ADDITIONAL

ELECTRIC

ST.

WI

COPY

NWSA

CODE

PRINTED

IN

P.O.

54912

PRICE

NO.

U.S.A.

4579

Box

USA

30

MFG.

1079

CENTS

~r

HilliER

CO.

-

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Miller

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casing

removes

any

WIRE

I

that

the

welding

and

down

components,

wire

Control/Feeder

changes

as

assemblytohelp

size

for

wire

follows

prior

use

in

sizes.

that

is

the

CAUTION

sour~

power

is

power

to

attempting

equipment.

UPKEEP

will

determine

cracks

areas,

weld

any

as

to

equipment.

and

with

SIZES

or

changed,

with

when

spatter

the

around

around

frayed

cables

compressed

metal

all

and

from

chips

required

grime

(Monocoil)(Figure

sour~

power

is

power

to

changing

components.

gun

the

the

new

Owners

control/feeder

changing

ensure

proper

SECTION

removed

maintenance

frequency

and

or

nozzle

the

switch.

hose

and

cracked

components;

air

and

dirt

removed

the

wire,

and

gun

size

wire.

Manual

that

wire

installation.

completely

from

work

and

loose

foreign

orifice.

cabling;

insulation

moisture

when

changing

that

may

4-1)

completely

from

cornrol/

control/feeder

information

for

are

required

size

with

4

the

type

parts;

matter

have

the

give

and

to

the

-

MAINTENANCE

~gunisequippNOTE5wireanditis

desired

other,

have

for

.045

havetobe

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

to

only

to

.030

wire

Cut

wire

Loosen

outlet

Cut

(19).

the

Remove

Remove

adapter

given.

Slide

screw

Pull

wires

Remove

Loosen

(17).

Loosen

of

(14).

Secure

Install

coil

ing

Slide

flat

screw

Install

Install

secure

convert

the

be

Changed.

.035

or

vice

(or

performed.

weld

the

the

at

the

guide

the

welding

Pull

end

with

screw

nozzle

(5).

insulating

(10).

handle

back

outlet

setscrew

setscrew

outlet

monocoil

new

liner

setscrew

handle

head

(10).

outlet

strain

with

Contact

wire

gun

outlet

from

the

the

along

guide

monocoil

(14)

screw

screw

ed

for

from

However,

and

versa),

bead

nozzle

the

wire

wire

outlet

(16)

(2),

Install

band

(12)

with

guide

(18)

(9)

end

liner

monocoil

to

(18).

(12)

(10).

guide

relief

.030

or

of

these

one

tube

(item

if

it is

allofthe

off

knob

(2).

locking

guide

control/feeder

where

of

the

out

guide.

strain

and

contact

items

new

off

(1)

about

back

handle

(19).

and

remove

and

pull

and

install

(14)

Connector

head

onto

Slide

(19)

on

Onto

(15)

(16).

.03

wire

4,

Figure

the

gun

desired

following

the

it

enters

monocoil

relief

tube

(4),

in

and

gun

six

(12)

monocoil

by

tightening

connector

tube

insulating

monocoil

outlet

sizes

is

convert

to

end

screw

(Figure

the

(15).

and

reverse

remove

inches.

to

monocoil

new

(17)

and

(6)

OM-1

to

will

4-1)

equipped

will

steps

the

of

and

2-1

outlet

assembly

contact

order

Pull

avoid

jamming.

connector

liner

monocoil

setscrew

securing

(17)

by

secure

band

connector

guide

023

the

to

welding

the

pull

).

guide

from

tube

just

head

flat

switch

(14)

liner

mono

tighten

with

(1)

over

(17).

(19)

Page

out

(9).

and

3

1

Each time

be

must

Refer

to

involving

handle

different

wire

adapted

the

Control/Feeder

changes

size

for

wire

in

is

use

the

sizes.

the

the

new

changed,

with

Owners

control/feeder

gun

size

Manual

that

and

control/feeder

wire.

for

are

information

required

to

Figure

4-1.Installing

16.

4-3.

CHANGING

Install

outlet

with

proceed

that

Ensure

shut

down

control/feeder

feeder

components,

NOTE:

Conduit

welding

WIRE

the
and

prior

Band,

Nozzle

2.

3.

Insulator,

4.

Tube,

5.

Adapter,

6.

Tube,

7.

Screw,

8.

Connector,

Monocoil

9.

Screw,

Amp

10.

Screw,

Switch

11.

7

12.

Handle
Monocoil

13.

Models)

Models)

14.

15.

16.

17.

18.

19.

Liner,

Spring.
Screw,

1/2

Connector,
Screw,
Guide,

8

12

Items8&9assembled

AndMonocoil

(19)

guide

operations.

SIZES

welding

that

or

power

to

gun

power

changing

components.

LEGEND

Insulator

Nozzle

Contact

Contact

10-32

Conduit

10-32

Only)

Housing

Casing

Conduit

Relief

Monocoil

Tube

x

3/8

or

x

10-32

Assembly

(300

Head

3/16

x

(400

Head

Set

Set

Model

Machine

&

Monocoil

Strain

Round

Set

Outlet

17

16

at

TC-056

Wire

Guide

into

control/feeder

is

completely

from

wire,

4-1)

control/

(Conduit)(Figure

source

is

removed

the

(300

3/8

Amp

Amp

10-32

factory.

811-3

Kits

and

the

Proceed

assembly

as

to

follows

help

ensure

when

changing

proper

wire

installation.

size

with

the

conduit

NOTE

If

the

desired

other,

have

for

.045

have

1.

2.

x

3.

4.

gun

to

only

to

1/16

wire

be

to

Cut
wire

Loosen

outlet

Cut

(19).

with

end

Remove

adapter

is

equipped

convert

the

be

changed.

or

5/64

(or

performed.

the

weld

the

at

the

guide

the

welding

Pull

the

nozzle

(5).

vice

the

given.

Slide

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

screw

Pull

wires

Loosen

(8)

Unscrew

(13)

(12).

Remove

strain

Unscrew

Install

Secure

screw

Insert

handle

Remove

connector

Secure

(13).

Slide

flat

screw

Install

proceed

insulating

(10).

handle

back

setscrew

from

head

conduit

and

pull

screw

relief

outlet

new

strain

(16).

the

(12).

0-Ring

new

handle

head

screw

(10).

outlet

with

(15).

outlet

new

(8)

from

contact

wire

versa),

bead

nozzle

gun

outlet

from

wire

outlet

(2),

Install

band

(12)

along

tube

conduit

(16)

guide

relief

conduit

from

if

applicable.

conduit

(12)

guide

welding

for

1/16or5/64

of

one

tube

(item

However,

and

it

all

of

off

knob

(2).

guide

out

where

locking

of

control/feeder

wire

guide.

contact

items

new

off

(1)

back

about

with

handle

and

(7)

pull

(6).

connector

assembly

from

outlet

(19)

from

(19)

guide

(15)

to

(13)

connector

connector

head

onto

(10).

Slide

(19)

operations.

these

wire

4,

if

the

gun

desired

is

the

following

the

(Figure

it

enters

the

conduit

tube

(4),

in

and

gun

six

(12)

out

from

(8)

(13)

guide

conduit

onto

conduit

outlet

through

(8)

(8)

tube

(6)

insulating

into

control/feeder

and

wire

sizes

4-1)

Figure

is

equipped

to

convert

steps

endofthe

and

screw

2-1

the

outlet

(13)

and

contact

reverse

remove

Pull

inches.

to

avoid

conduit

conduit

of

out

gun

and

(19)

(13).

(13).

guide

the

bottom

and

install

the

onto

and

secure

band

it

is

the

to

will

to

will

welding

pull

).

guide

from

tube

order

flat

head

switch

jamming.

connector

assembly

handle

pull

with

(19)

on

new

conduit

with

(1)

over

the

the

just

off

of

and

Page

4

January

1979

FORM:

OM-1023A

Effective

MMT-300A1

MMT-400A1

With

MODEL

Style

No.

HJ-6

PARTS

LIST

49

3

2

1

.4

Includes

10

Item

15

9

S

374~

TC-056

26

27
28

28

30

31

J

Includes

36

Item

811-C

~25

132

OM-1023

Page



Gun

A

Figure

1

Assembly

(400

Ampere

Conduit

Model

Illustrated)

Item

No.

Factory

No

Part

Description

.8MM

.031
.030

300

Amp

Monocoi

Wire

.9MM

.035
.035

Size

Quantity

Model

I

1.2MM

.047

.045

1.2MM

.047

.045

400

Conduit

Wire

1.6MM
.063

1/16

Amp

Size

2.0MM

.079

5/64

Figure

1

2

2
3

4
4

4

4

4

4

4

4
4
4
4

4

5

5
5

5

5

6

6
7
7

8

9
9

9
9

9
9

9

9

10
10
10
11
12

13

14

15
16

17

18

18

A

*056

056816
056818

054 572

007319

007

007318
007

007317

007

056
056
056

056901

056
056

*056

*056

056

*056
*056

056

056

007

007

058

056
056
056619
056621

057

057

057219

057

057083
056741
056836
058190
058192
058
604771

056610

602090

056831

056832
056833

Gun

Assembly

710

INSULATOR,

NOZZLE,

NOZZLE,

BAND,

5/8
5/8

rubber

KIT-WIRE,

321

KIT-WIRE,
KIT-WIRE,

320

KIT-WiRE,
KIT-WIRE,

322

KIT-WIRE,

895

KIT-WIRE,

900

KIT-WIRE,

896

KIT-WIRE,guide

KIT-WIRE,

897

KIT-WIRE,

902

KIT-WIRE,

820
821
822

823

824
825
826
330
332

TUBE,

TUBE,
TUBE,

-

TUBE,



.TUBE,contact5/64wirex

ADAPTER,



ADAPTER,
CONNECTOR,

-

CONNECTOR,

174

..O-RING,1/4x3/8

652

CONDUIT,



653

.CONDUIT,.O8OIDxl5ft





218

220

(See

contact

contact

CONDUIT,
CONDUIT,

MONOCOIL
MONOCOIL

Fig.

contact

contact

B

Page

.MONOCOILASSEMBLY,.045

221

191

MONOCOIL

-

(See

Fig.

GUIDE,



GUIDE,

-

GUIDE,



TUBING,

INSULATOR,

TUBE,

head

SCREW,

LINER,

tube

SCREW,

HANDLE

CABLE

CABLE

ASSEMBLY,

ASSEMBLY,

B

Page

outlet

outlet

outlet

neoprene

set

machine

nozzle

orifice
orifice

1-1/18

guide
guide

guide

guide

guide
guide

guide

guide

guide
guide
guide

.030
.035
.045

1/16

tube

tube

monocoil

conduit

.080

0.124

0.124

ASSEMBLY,
ASSEMBLY,

4)

ASSEMBLY,

4)

.030

.045

1/16

body

-

steel

head

11/16
2-5/8
2-3/4

ID

.030

10

.O30wire

.035

wire

.035

wire

.045

wire

.045

wire

.045

wire

.045

wire

1/l6wire

wire

1/16

wire

5/64

wire

5/64

wire

wire

wire

wire

-

contact

-

contact

ID

10

x

ID

x

ID

x

.035

&

wire

x

5/64

5/8

-

head

10-32

-

steel

welding
welding

inch

long
long

wide

3/64

x

ft

or

l5ft

(See

ft

10

or

lSft

(See

lOft

or

lSft

(See

lOft

or

15

ft

(consisting

lOftor

15

ft

(consisting

10

ft

or

15

ft

(consisting

1-5/8

x

1-5/8

x

1-5/8

x

1-5/8

x

1-5/8

.030-.045

1/16

x

(consisting

(consisting

ft

or

ft

10

or

ft

15

.030&.035

.030

&

lOftor

.045

15

wire

wire

ID

tube

x

flat

x

1/8

3/32

hd

10-32

10
15

wall

ft

ft

x

3/4

B

Fig.

Page

B

Fig.

Page

B

Page

Fig.

of)

of)

of)

wire

wire

5/64

of)

of)

10

ft

.035

or

ft

15

ft

x

4-5/8

x

3/8

(consisting

or

of)

4)

4)

4)

1
1

1
1

5

1

1

1

1

1 1

1

1 1

1

1 1
1

1 1

1

1
1

1 1

1 1

1

1

5

1

1

1

1

1

1

1

1
1

1

1

5

1

1

1
1
1
1

1
1
1 1

1

1

1
1

1

1

1

1

1
1

1

1
1

5

5

5

1

1

1

1

1
1

1
1
1

1

1

1

1

1
1

1
1
1
1
1

1

1

1

1

1

1

1

1

1
1

1

1

1
1
1
1
1

1

1
1

OM-1023

Page

2

Item

No.

Factory

Part

No.

Description

.8MM

.031

.030

300

Amp

Monocoil

Wire

Size

.9MM

.035

.035

1

.2MM
.047

.045

Quantity

Model

.2MM

1

.047

.04

400

Wire

5

Amp

Conduit

Size

1.6MM

2.0MM

.063 .079

1/16

5/64

Figure

19

20

20

21

22
23

24

25
25
26
27
28

29

29

30

31
32

32

33
34

35
35
36
37
38
39
40

41

42
43

44

45
46

47

48

49
50

A

443

056
600

330

330

600

056 803

854

056

056

479

602

088

056

834
835

056

056 848

056

849

108

056

604

550

604

550

010606
056

851

057 782
057

783

604

523

524

604

604

525

604

525

604848

830

056

604 848

296

056

604

525
604 866
059

294

053

132.STRAIN

059

258
056

845
056

846

059

290

293

059

604

937

604

607

Gun

Assembly

CONNECTOR,

.

CABLE,

.

hypalon

CABLE,

.

hypalon

LUG.

.

.

swedge

TUBING,
SPRING,
SCREW,

HOSE

ASSEMBLY,

HOSE

ASSEMBLY,

FITTING,

.

FITTING,

.

FITTING,

.

HOSE,

.

HOSE,

.

weld

(order

weld

(order

heat

strain

machine

hose-

hose

hose

neoprene

neoprene

(Contd.)

torch

-

copper

ft.)

by

-

copper

ft.)

by

1/0-2/0

on

shrink

relief

-

steel

gas
gas

brass

-

brass

-

brass

No.

No.

end

stranded

stranded

cable

dia

3/8

round

10

ft

15

ft

barbed

nut

ferrule

1

x

3/16

1

x

3/16

x

hd

or

(consisting

nipple

No.

0.425

.FITTING,hose-brassnut5/8-18RH

-

brass

FITTING,

.

CORD
CORD

(consisting

CAP,

.

COVER,

.

CORD,

.

CORD,

.

hose

ASSEMBLY,
ASSEMBLY,

of)

twistlock

seal

portable
portable

TERMINAL,disk-

&

SWITCH

TERMINAL,

.

TUBING,

.

CORD,

.

SWITCH,

.

SPRING,

.

HOUSING

plastic

portable

licon

compression
RELIEF,

BLOCK,

.

HOUSING,

.

LEVER,

.

NUT,

.

RIVET,

.

SCREW,
SCREW,

mounting

switch

actuating

-

speed

steel

-

self
machine-steel

-

tite

disk~

push

-flared

tapping

barbed

switch8ft2inches

13

switch

-

midget

2P2W

receptacle

18/2

(orderbyft.)

18/2

(orderbyft.)

knife

16-22

ASSEMBLY

knife

16-22

4

No.

No.

18

2/C

16-3022

cable

-

switch

-

torch

-

switch

torch

on

hd

7/32

hd

pan

10-32

nipple

ft2inches

wire

(order

dia.

6-32

x

No.

1/0

No.

1/0

2.1/2

10-32

3/16

10

3/8-24

ID

ID

(order

ID

(order

3/16

or

(consisting

wire

by

1-1/4

x

1/4

x

3/4

1/4

x

of)

x

23/32

by

by

or

ft.)

TBG
RH

TBG

ft.)
ft.)

of)

..-

..

..

or

.

.

.

.

.

.

1

10

ft.

15

ft.

1
1
1
1
1 1
1
1
1

2

10

ft.

15

ft.

1
1
1

1

1 1

1

9

ft.

14

ft.

2

1

2

2
3

ft.

1 1
1
1
1
1
1
1
1

2

1

1 1

ft.

ft.115

10

ft.

ft.115

10

15

1 1 1

1

1

1

1 1 1

1 1

1

1

1

1
1 1 1

1

2 2

ft.

10

ft.

ft.

15

1
1
1

1

lOft.

15

1
1
1

1

1

ft.
ft.

1 1

9

ft.

14

ft.

2

1

2

1

9

14

2
1

2

2 2

3

1

ft.

3

ft.

1

1

1 1

1

1

1

1

1

1
1 1
1

2

1

1

2
1

1

10

ft.

ft.115

1

1

1

2

lOft.

15

ft.

1
1 1

1

1

1 1

9

ft.

14

ft.

2

1 1

2 2
2 2
3

ft.

1

1
1

1

1
1 1
1

1 1

2

1 1

1 1

10

ft.

ft.

1
1

1

1 1
1

1

2

lOft.

ft.

15

1

1

1

1

9

ft.

14

ft.

2

3

ft.

1
1
1

1
1

1

2

10

15

1

1
1

1

1
1

1

2

lOft.

15

1

1
1

1

1

1

9

14

2
1

2
2

3

1
1
1
1
1
1
1
1

2

1

I

ft.

ft.

ft.

ft.
ft.

ft.

*

Recommended

be

tCan

SURE

BE

3

Page

056

056
056

056
056

t057

used

TO

815

817

816
818
819

737

with

PROVIDE

Optional

NOZZLE,

NOZZLE,

NOZZLE,
NOZZLE,
NOZZLE,

TUBE,

Spare

.045

contact

Parts.

wire

MODEL,

Parts

1/2
1/2

5/8

5/8

3/4

guide

orifice
orifice

orifice
orifice

orifice

.052

kits.

STYLE

2-5/8

2-3/4
2-5/8
2-3/4

2-3/4

wire

NUMBER

long

long

long
long
long

AND

WIRE

SIZE

WHEN

1

1

1

1

1

1
1

1 1
1
1

ORDERING

1
1

1
1

REPLACEMENT

1 1

1

1

1 1
1

PARTS.

1
1
1

1

1

1

1

1

Item

No.

Factory

Part

No.

Description

.8MM

.031

.030

Quantity

.9MM

.035

.035

1.2MM
.047

.045

Figure

71
71
72

73

74
75

75

76

76
76
76
77

77

78

B

057
057

057
602

056112

605
605

056
056
056
057

058

058680

058174

Monocoil

307

CONNECTOR,

308

CONNECTOR,

309

FITTING,

959

FITTING,

FITTING,

545

TUBING,

545

TUBING,

758

LINER,

760

LINER,

759

LINER,

168

LINER,

679

CONNECTOR,

CONNECTOR,

O-RING,1/4x3/8

Assemblies

brass
hose

hose-brass

neoprene

neoprene

monocoil

monocoil

monocoil
monocoil

monocoil
monocoil

-

barbed

-

brass

17/64

17/64

.030

.045
.030

.045

monocoil

monocoil

liner

9/16-18

nut

ferrule

ID

x

ID

x

&

.035

wire

10

.035

&

wire15ft

.030&.035

.045

0.475

ID

OD

1/2

OD

1/2

10

wire

ft

or

wire15ft

wire

x

(order
(order

ft

wire

23/32

or

or

by
by

ft.)
ft.)

1

1

1

1 1 1
2

2

2

or

lOft.10ft.

ft.

15

1

10

ft.

ft.

15

1

1

1

ft.

15

1

Assembly

SIZE

74

WHEN

ORDERING

71

BE

SURE

TO

PROVIDE

MODEL,

72

STYLE

73

NUMBER

74

Figure

AND

75

B



Monocoil

WIRE

76

77

REPLACEMENT

78

TA-057

PARTS.

072-B

OM-1023

Page

4