Miller JH000000 Owner's manual
- Category
- Welding System
- Type
- Owner's manual
This manual is also suitable for
February
1987
FORM:
113337
OWN
ERS
MANUAL
AflT?STIPC
I
~J
I
MILLER
ELECTRIC
MFG.
CO.
718
S.
BOUNDS
SI,
P.O.
Box
1079
APPLETON,
WI
54912
USA
ADDITIONAL
COPY
PRICE
25
CENTS
MODEL
IMPORTANT
Read
and
understand
the
entire
contents
at
both
this
manual
and
the
power
source
manual
used
with
this
unit,
with
special
emphasis
on
the
safety
material
throughout
both
manuals.
before
installing,
operating,
or
maintaining
this
equipment.
This
unit
and
these
instructions
are
for
use
only
by
persons
trained
and
experienced
in
the
safe
operation
of
welding
equipment.
Do
not
allow
untrained
persons
to
install,
operate,
or
maintain
this
unit.
Contact
your
distributor
if
you
do
not
fully
understand
these
instructions.
Effective
With
Style
No.
MWG
200
C
~
~m
iFO;LC~Ek
NWSA
CODE
NO.
4579
PRINTED
IN
U.S.A.
ONEYEARLIMITEDWARRANTY
COVERAGE
-
Miller
Electric
Mfg.
Co.
warrants
to
the
buyer
REMEDY
FOR
DEFECTIVE
WELDER
-
Upon
receipt
of
any
who
purchases
this
Auto
Arc
Welder
lWelder)
for
personal,
defective
Welder,
Miller
Electric
will,
at
its
option,
repair
or
C4
family
or
household
purposes
lConsumer)
that
this
Welder
replace
the
defective
Welder
at
its
expense,
refund
or
credit
will
be
free
from
defects
in
material
and
workmanship
for
a
the
purchase
price
(less
reasonable
depreciation
based
on
ac
period
of
one
year
from
the
date
of
purchase.
This
warranty
tual
use),
or
reimburse
the
Consumer
for
the
cost
of
repair
or
covers
only
the
original
purchaser
of
this
Welder.
Miller
Electric
replacement
at
an
approved
Miller Electric
warranty
station,
does
not
authorize
any
party,
including
its
authorized
provided
that
the
purchaser
of
that
Welder
has
followed
the
distributors,
to
offer
any
other
warranty
on
behalf
of
Miller
procedure
for
obtaining
warranty
performance
set
forth
below.
c~
Electric.
Upon
expiration
of
the
warranty
period,
Miller
Electric
The
Welder
so
repaired
or
used
as
a
replacement
will
be
ship-
shall
have
no
further
liability
related
to
the
Welder,
except
on
ped
to
the
purchaser
of
the
defective
Welder,
with
transporta
warranty
claims
made
during
the
warranty
period.
tion
charges
prepaid
to
any
destination
in
the
continental
United
States
(transportation
charges
on
shipments
to
Alaska
THIS
WARRANTY
IS
OFFERED
IN
LIEU
OF
ANY
OTHER
or
Hawaii
will
be
paid
only
to
the
nearest
port
of
export).
EXPRESS
WARRANTY;
AND,
EXCEPT
TO
THE
EXTENT
C~
PROHIBITED
BY
APPLICABLE
LAW,
THE
DURATION
OF
ALL
IMPLIED
WARRANTIES,
INCLUDING
BUT
NOT
THE
PURCHASERS
REMEDIES
FOR
A
DEFECTIVE
LIMITED
TO
THE
IMPLIED
WARRANTIES
OF
MERCHAN-
WELDER,
TO
THE
EXTENT
PERMITTED
BY
APPLICABLE
~
TABILITY
AND
FITNESS
FOR
A
PARTICULAR
PURPOSE,
IS
LAW,
ARE
LIMITED
TO
THE
REMEDY
PROVIDED
BY
THIS
(4
LIMITED
TO
THE
DURATION
OF
THIS
WARRANTY.
WARRANTY:
AND,
TO
THE
EXTENT
ENFORCEABLE
UNDER
APPLICABLE
LAW,
MILLER
ELECTRIC
SHALL
IN
-~
Some
states
do
not
allow
limitations
on
how
long
an
implied
NO
EVENT
BE
LIABLE
FOR
CONSEQUENTIAL,
INCIDENTAL
~
warranty
lasts,
so
the
above
limitation
may
not
apply
to
you.
OR
SPECIAL
DAMAGES
ARISING
OUT
OF
THE
USE
OF,
OR
~
This
warranty
gives
you
specific
legal
rights,
and
you
may
also
INABILITY
TO
USE,
THE
WELDER,
WHETHER
BASED
ON
have
other
rights
which
vary
from
state
to
state.
BREACH
OF
THIS
WARRANTY,
MILLER
ELECTRICS
-
NEGLIGENCE
OR
OTHER
TORT,
OR
ON
ANY
THEORY
OF
STRICT
LIABILITY.
Except
as
specified
below,
Millers
warranty
does
not
apply
to
components
having
normal
useful
life
of
less
than
one
Ill
year.
such
as
spot
welder
tips,
relay
and
contactor
points.
Some
states
do
not
allow
the
exclusion
or
limitation
of
con
c~.
parts
that
come
in
contact
with
the
welding
wire
including
sequential
or
incidental
damages,
so
the
above
limitations
may
nozzles
and
nozzle
insulators
where
failure
does
not
result
from
not
apply
to
you.
~)
defect
in
workmanship
or
material.
Miller
shall
be
required
to
honor
warranty
cI
#
PROCEDURE
FOR
OBTAINING
WARRANTY
PERFORMANCE
~
aims
on
war-
ranted
Equipment
in
the
event
of
failure
resulting
from
a
defect
As
soon
as
any
defect
in
a
Welder
becomes
known,
the
pur
within
the
following
periods
from
the
date
of
delivery
of
Equip-
chaser
of
the
Welder
must,
within
thirty
1301
days,
notify
an
ment
to
the
original
user:
approved
Warranty
Station
or
Miller Electric
in
writing
of
the
~
1.
Arc
welders,
power
sources,
and
components
1
year
period.
return
the
Welder
to
Miller Electric
at
the
following
ad-
defect.
The
purchaser
must
then,
within
the
one
year
warranty
2
Original
main
power
rectifiers
3
years
dress:
(labor
-
1
year
only)
3.
All
welding
guns,
feeder/guns
and
plasma
torches...
90
dayS
Miller
Electric
Mfg.
Co.
4.
Replacement
or
repair
parts,
exclusive
of
labor
..
60
days
71B
South
Bounds
Street
P.O.
Box
1079
WHAT
IS
NOT
COVERED
-
This
warranty
does
not
extend
Appleton.
Wisconsin
54912
~
to
any
Welder
subjected
to
misuse,
neglect,
accident,
or
in-
warranty
repair
by
anyone
except
Miller
Electric.
Further,
this
All
transportation
charges
to
Warranty
Station
or
Miller
Electric
aS
warranty
only
extends
to
those
purchasing
the
Welder
for
per-
must
be
prepaid.
sonal,
family
or
household
purposes.
Commercial
and
in
dustrial
users
are
given
a
different
warranty.
SECTION
1
-
INTRODUCTION
Rating:
100%
Duty
Cycle
Wire
Diameter
Cable
Length
Cooling
Method
Weight
Net
Ship
200
Amperes
With
C02
0.030-
0.045
in.
(0.8-1.1
mm)
lOft.
(3.0
m)
Air
6
lbs.
(2.7
kg)
7
lbs.
(3.2
kg)
12-112
ft.
(3.8
m)
7
lbs.
(3.2
kg)
8
lbs.
(3.6
kg)
15
ft.
(4.6
ml
9
lbs.
(4.1
kg)
10
lbs.
(4.5
kg)
Figure
1
-
1.
Specifications
1
-
1.
DUTYC
CYCLE
-
The
duty
cycle
of
a
welding
gun
is
the
percentage
of
a
ten
minute
period
that
a
gun
can
safely
be
operated
at
a
given
load.
This
gun
is
rated
at
100%
duty
cycle
using
CO2
shielding
gas.
This
means
that
the
gun
can
be
operated
continuously
at
rated
amperage
with
C02
shielding
gas.
If
rated
amperage
is
exceeded,
the
duty
cycle
must
be
reduced.
~UU~E
EXCEEDING
THE
RATED
AMPERAGE
WITH
C02
OR
FAILING
TO
REDUCE
THE
WELDING
AMPERAGE
OR
DUTY
CYCLE
WHEN
USING
A
MIXED
SHIELDING
GAS
can
result
in
damage
to
the
gun.
Do
not
exceed
rated
amperage
when
using
CO2.
Operate
at
50%
duty
cycle
when
using
mixed
shielding
gases.
1
-
2.
GENERAL
INFORMATION
AND
SAFETY
Safety
Instructions
specifically
pertaining
to
this
unit
appear
throughout
this
manual_highlighted
by
the
signal
words
I
iT:h~lI~~IcI
and
IW~tI1lI.T~I
which
identify
different
levels
of
hazard.
I~1.~i
~1~I
l~eI
statements
include
installation,
operation,
and
maintenance
procedures
or
practices
which
if
not
carefully
followed
could
result
in
serious
personal
injury
or
loss
of
life.
IUflhi1i~I
statements
include
installation,
operation,
and
maintenance
procedures
or
practices
which
if
not
carefully
followed
could
result
in
minor
personal
injury
or
damage
to
this
equipment.
IMPORTANT
A
third
signal
word,
_______________
highlights
instruc
tions
which
need
special
emphasis
to
obtain
the
most
efficient
operation
of
this
equipment.
A.
General
Information
presented
in
this
manual,
and
on
various
labels,
tags,
and
plates
on
the
unit
pertains
to
equip
ment
design,
installation,
operation,
maintenance,
and
troubleshooting
which
should
be
read,
understood,
and
followed
for
the
safe
and
effective
use
of
this
equip-
ment.
B.
Safety
The
installation,
operation,
maintenance,
and
troubleshooting
of
arc
welding
equipment
requires
practices
and
procedures
which
ensure
personal
safety
and
the
safety
of
others.
Therefore,
this
equipment
is
to
be
installed,
operated,
and
maintained
only
by
qualified
persons
in
accordance
with
this
manual
and
all
ap
plicable
codes
such
as,
but
not
limited
to,
those
listed
at
the
end
of
Section
1
-
Safety
Rules
For
Operation
Of
Arc
Welding
Power
Source
in
the
welding
power
source
Owners
Manual.
1
-
3.
RECEIVING-HANDLING
-
Before
installing
this
equipment,
clean
all
packing
material
from
around
the
unit,
and
carefully
inspect
for
any
damage
that
may
have
occurred
during
shipment.
Any
claims
for
loss
or
damage
that
may
have
occurred
in
transit
must
be
filed
by
the
purchaser
with
the
carrier.
A
copy
of
the
bill
of
lading
will
be
furnished
by
the
manufacturer
on
re
quest
if
occasion
to
file
claim
arises.
When
requesting
information
concerning
this
equip
ment,
it
is
essential
that
Model
Description
and
Style
Numbers
of
the
equipment
be
supplied.
1
-
4.
DESCRIPTION
-
This
unit
is
an
air-cooled
semi-automatic
Gas
Metal
Arc
Welding
(GMAW)
gun.
SECTION
2
-
INSTALLATION
ELECTRIC
SHOCK
can
kill.
Do
not
touch
live
electrical
parts.
Shut
down
welding
power
source
and
wire
feeder
and
disconnect
input
power
employing
lockout!
tagging
procedures
before
installing
gun.
Lockout/tagging
procedures
consist
of
padlocking
line
disconnect
switch
in
open
position,
removing
fuses
from
fuse
box,
or
shutting
off
and
red-tagging
circuit
breaker
or
other
disconnecting
device.
2
-
1.
GUN/WIRE
FEEDER
CONNECTIONS
(Figure
4-1)
-
Install
the
gun/feeder
connector
into
the
drive
assembly
on
the
wire
feeder
as
follows:
II~l~sif2~UI~
The
wire
outlet
~,ide
is
provided
as
part
of
the
gun
assembly.
1.
Loosen
the
gun/feeder
connector
securing
knob
on
the
wire
drive
assembly.
113337
Page
1
The
wire
outlet
guide
should
be
posi
tioned
as
close
as
possible
to
the
drive
rolls
without
touching
them.
This
gives
the
wire
maximum
column
strength
thus
eliminating
waves.
2.
Insert
the
gun/feeder
connector
into
the
wire
drive
assembly.
3.
Tighten
the
gun/feeder
connector
securing
knob.
2
-
2.
TRIGGER
SWITCH
CONNECTIONS
(Figure
4-1)
-
Connect
trigger
switch
into
TRIGGER
receptacle
on
wire
feeder
as
follows:
align
keyways,
insert
plug,
and
rotate
threaded
collar
fully
clockwise.
2
-
3.
REPOSITIONING
TRIGGER
SWITCH
(Figure
4-1)
-
The
gun
is
shipped
with
trigger
switch
positioned
as
shown
in
Figure
4-1.
The
trigger
switch
can
be
repositioned
on
top
of
the
gun
handle.
To
reposition
trigger
switch,
proceed
as
follows:
1.
Loosen
head
tube
securing
screw
in
gun
handle.
2.
Remove
monocoil
liner
setscrew.
3.
Remove
pin
and
locking
ring
holding
handle
halves
together.
Gun
trigger.and
trigger
spring
will
fall
off
when
pin
is
removed.
4.
Separate
two
halves
of
gun
handle.
5.
Rotate
head
tube
1800.
Be
sure
that
machined
depressions
in
head
tube
are
lined
up
with
head
tube
securing
screw.
~
Be
sure
that
the
trigger
leads
do
not
become
twisted
when
the
head
tube
is
rotated.
6.
Join
handle
halves
together,
and
rotate
locking
ring.
7.
Replace
monocoil
liner
setscrew
in
opposite
side
of
handle.
8.
Insert
pin
through
handle
halves
and
trigger
lever.
Be
sure
that
trigger
spring
is
properly
posi
tioned
in
handle.
9.
Replace
and
tighten
head
tube
securing
screw.
SECTION
3
-
SEQUENCE
OF
OPERATION
UUL~L~E
EXCEEDING
THE
RATED
AMPERAGE
WITH
CO2
OR
FAILING
TO
REDUCE
THE
WELDING
AMPERAGE
OR
DUTY
CYCLE
WHEN
USING
A
MIXED
SHIELDING
GAS
can
result
in
damage
to
the
gun.
Do
not
exceed
rated
amperage
when
using
CO2.
Operate
at
50%
duty
cycle
when
using
mixed
shielding
gases.
3
-
1.
GAS
METAL
ARC
WELDING
(GMAW)
1.
Be
sure
that
proper
electrical
connections
have
been
made
to
the
welding
power
source
and
the
wire
feeder.
2.
Be
sure
that
the
welding
wire
has
been
properly
threaded
and
that
correct
initial
tensions
have
been
set
on
the
drive
rolls
(refer
to
the
ap
propriate
Owners
Manual).
3.
Be
sure
that
the
proper
shielding
gas
is
con
nected
to
the
shielding
gas
valve.
4.
Place
the
wire
feed
control(s)
in
the
required
position
for
the
welding
setup.
5.
Place
the
controls
on
the
welding
power
source
in
the
required
position
for
the
welding
setup
(refer
to
welding
power
source
Owners
Manual).
6.
Turn
on
the
shielding
gas
supply.
7.
Energize
the
welding
power
source
and
the
wire
feeder
(refer
to
the
respective
Owners
Manuals).
L~~U~E
ELECTRIC
SHOCK
can
kill.
WELDING
WIRE
can
cause
puncture
wounds.
Do
not
touch
live
electrical
parts.
Do
not
point
gun
toward
any
part
of
the
body,
other
personnel,
or
any
conductive
surface
when
threading
welding
wire.
The
welding
wire
and
all
metal
parts
in
contact
with
it
carry
weld
output
when
the
gun
trigger
is
depressed.
II~Il1f~Ul~
When
installing
new
equipment,
or
after
prolonged
shutdown,
allow
shielding
gas
to
f/ow
continuously
for
at
least
one
minute
before
we/ding
to
purge
the
shielding
gas
line.
To
avoid
wasting
wire
while
purging,
open
the
drive
roll
housing.
8.
Press
Purge
button
on
the
wire
feeder
(if
ap
plicable)
or
the
gun
switch
to
purge
the
gas
line.
9.
Close
drive
roll
housing,
and
adjust
tension
(see
appropriate
Owners
Manual).
10.
Press
the
trigger,
and
run
the
welding
wire
Out
beyond
the
end
of
the
gas
nozzle.
Cut
the
wire
off,
leaving
approximately
1/4
to
3/8
in.
(6.4
mm
to
9.5
mm)
from
end
of
nozzle.
11.
Set
the
Wire
Speed
control
slightly
higher
than
anticipated
wire
speed.
113337
Paqe2
II~I~.]~IV..1~kf
.030
and
.035
in.
(0.8
and
0.9
mm)
diameter
wires
use
the
same
monocoil
liner
and
wire
outlet
guide.
Changing
from
.030
in.
(0.8
mm)
wire
to
035
in.
(0.9
mm)
wire
or
vice
versa
requires
changing
the
contact
tube
only
(see
Section
4-3).
To
change
from
.030
in.
(0.8
mm)
wire
and
.035
in.
(0.9
mm)
wire
to
.045
in.
(1.
1
mm)
wire
or
vice
versa,
or
to
replace
the
monocoil
liner,
proceed
as
follows:
1.
Remove
nozzle.
2.
Cut
off
any
portion
of
electrode
wire
which
ex
tends
beyond
end
of
contact
tube.
3.
Manually
retract
wire
onto
wire
spool
(see
wire
feeder
Owners
Manual).
4.
Remove
contact
tube
and
contact
tube
adapter.
5.
Disconnect
gun
assembly
from
wire
feeder,
if
ap
plicable,
and
lay
it
out
flat
(no
coils
in
cable/con
duit).
6.
Remove
wire
outlet
guide.
7.
Loosen
monocoil
liner
setscrew.
8.
Pull
out
monocoil
liner
from
gun/feeder
connec
tor
end
of
gun
assembly.
FLYING
DIRT
AND
METAL
PAR
TICLES
can
injure
personnel
and
damage
equip
ment.
Point
gun
liner
only
in
a
safe
direction
away
from
personnel
and
equipment
when
cleaning
with
compressed
air.
9.
Clean
gun
casing
or
liner
with
compressed
air
while
liner
or
welding
wire
is
removed.
Nozzle
_Con
tact
Tube
Contact
Tube
Adapter
Liner
Setscrew
Locking
Ring
Gun
Handle
Collar
Connector
Figure4
-1.
Gun
Components
TC048
002-D
113337
Page4
Li~11~II~Ief
ARC
RAYS,
SPARKS,
AND
HOT
SURFACES
can
burn
eyes
and
skin;
NOISE
can
damage
hearing.
Wear
correct
eye,
ear,
and
body
protection.
FUMES
AND
GASES
can
seriously
harm
your
health.
Use
enough
ventilation
to
keep
fumes
and
gases
from
the
breathing
zone.
See
Section
1
-
Safety
Rules
For
Operation
Of Arc
Welding
Power
Source
in
welding
power
source
Owners
Manual
for
basic
welding
safety
information.
ELECTRIC
SHOCK
can
kill.
Do
not
touch
live
electrical
parts.
Do
not
touch
we/ding
wire
or
any
metal
part
in
contact
with
the
wire
while
we/ding.
The
welding
wire
and
all
metal
parts
in
contact
with
it
carry
weld
output
when
the
gun
switch
is
depressed.
12.
Hold
the
end
of
the
gas
nozzle
approximately
1/2
in.
(12.7
mm)
from
the
workpiece.
13.
Press
the
trigger,
initiating
the
gas
flow
and
wire
feed
and
establishing
the
arc.
If
the
welding
wire
appears
to
slip,
adjust
drive
roll
tension
accor
ding
to
wire
feeder
Owners
Manual.
14.
After
the
controls
on
the
welding
power
source
and
the
wire
feeder
(if
applicable)
have
been
ad
justed
for
normal
operation,
the
welding
power
source
(and
wire
feeder)
will
function
automatically
when
the
trigger
is
pressed.
Releasing
the
trigger
will
extinguish
the
arc
and
cause
the
wire
feed
and
gas
flow
to
stop.
3
-
2.
SHU1TING
DOWN
1.
Stop
welding.
2.
Turn
off
welding
power
source
and
wire
feeder.
3.
Turn
off
the
shielding
gas
at
its
source.
L~~U~E
HIGH
CONCENTRATION
OF
SHIELDING
GAS
can
harm
health
or
kill.
Shut
off
gas
supply
when
not
in
use.
SECTION
4
-
MAINTENANCE
4
-
1.
INSPECTION
AND
UPKEEP
-
Usage
and
shop
conditions
will
determine
frequency
and
type
of
maintenance
required.
ELECTRIC
SHOCK
can
kill;
WELDING
WIRE
can
cause
puncture
wounds;
HOT
SURFACES
can
cause
severe
burns.
Do
not
touch
live
electrical
parts.
Shut
down
welding
power
source
and
wire
feeder
before
working
on
gun.
Disconnect
gun
from
wire
feeder
before
inspec
ting,
maintaining,
or
servicing.
Allow
a
cooling
period
before
servicing.
1.
Inspect
gun
for
broken
areas,
cracks
and
loose
parts;
tighten,
repair
and
replace
as
required.
2.
Carefully
remove
any
weld
spatter
or
dirt
that
has
accumulated
around
nozzle
opening
and
inside
nozzle.
3.
Repair
or
replace
as
required
all
hose
and
cables;
give
particular
attention
to
frayed
and
cracked
in
sulation
and
areas
where
it
enters
equipment.
4.
Remove
grease
and
grime
from
components
and
moisture
from
electrical
parts
and
cables.
5.
Blow
out
casing
with
compressed
air
when
changing
wire.
This
removes
any
loose
metal
chips
and
dirt
that
may
have
accumulated.
F.~..%I~iIs1~W
FLYING
DIRT
AND
METAL
PAR
TICLES
can
injure
personnel
and
dammage
equip
ment.
Point
gun
liner
only
in
a
safe
direction
away
from
personnel
and
equipment
when
cleaning
with
compressed
air.
4
-
2.
CONTACT
TUBE
REPLACEMENT
L~~U~E
ELECTRIC
SHOCK
can
kill;
WELDING
WIRE
can
cause
puncture
wounds;
HOT
SURFACES
can
cause
severe
burns.
Do
not
touch
live
electrical
parts.
Shut
down
welding
power
source
and
wire
feeder
before
working
on
gun.
Disconnect
gun
from
wire
feeder
before
inspec
ting,
maintaining,
or
servicing.
Allow
a
cooling
period
before
servicing.
1.
Remove
nozzle~
2.
Cut
off
any
portion
of
electrode
wire
which
ex
tends
beyond
end
of
contact
tube.
3.
Remove
contact
tube,
and
replace
with
new
contact
tube.
4.
Replace
nozzle,
and
resume
operation.
4
-
3.
CHANGING
WIRE
SIZES
AND
REPLACING
LINER
(Figure
4-1)
~
ELECTRIC
SHOCK
~an
kill;
WELDING
WIRE
can
cause
puncture
vounds;
HOT
SURFACES
can
cause
severe
burns.
Do
not
touch
live
electrical
parts.
Shut
down
welding
power
source
and
wire
feeder
before
working
on
gun.
Disconnect
gun
from
wire
feeder
before
inspec
ting,
maintaining,
or
servicing.
Allow
a
cooling
period
before
servicing.
113337
Page
3
Part
No.
Description
Figure
A
Exploded
View
Of
MWG-200
Gun
1
112782
1
t112
784
1
t112786
1
t112768
1
t112770
1
t112772
2
t112792
2
112794
1
1
1
1
Item
No.
Quantity
NOZZLE,
screw
type
5/8
orifice
NOZZLE,
screw
type
1/2
orifice
NOZZLE,
screw
type
7/16
orifice
NOZZLE,
spot-flat
NOZZLE,
spot-outside
corner
NOZZLE,
spot-inside
corner
TUBE,
contact
.024
wire
TUBE,
contact
.030
wire
40-
10
1
24
19
24
34
29
Figure
A
-
Exploded
View
Of
MWG-200
TC-049
927F
113337
Page6
10.
Insert
new
monocoil
liner
into
gun/feeder
con
nector
end
of
gun
assembly.
11.
Install
appropriate
wire
outlet
guide.
1~AUIjIS1?f
OVERTIGHTENING
WIRE
OUTLET
GUIDE
will
damage
liner.
Do
not
overtighten
wire
outlet
guide.
12.
Tighten
monocoil
liner
setscrew.
~~UU~E
OVERTIGHTENING
MONOCOIL
LINER
SETSCREW
will
damage
liner.
Do
not
overtighten
monocoil
liner
setscrew.
13.
Cut
monocoil
liner
off
1/4
in.
(6.3
mm)
from
end
of
head
tube.
14.
Reinstall
appropriate
contact
tube,
contact
tube
adapter,
and
nozzle.
15.
Make
gun
connections
as
instructed
in
Sections
2-1
and
2-2.
~
ELECTRIC
SHOCK
~an
kill;
WELDING
WIRE
can
cause
puncture
wounds;
ENERGIZED
WELDING
WIRE
may
cause
arcing
when
touching
conductive
object.
Do
not
touch
live
electrical
parts.
Do
not
point
gun
toward
any
part
of
the
body,
other
personnel,
or
any
conductive
surface
when
threading
we/ding
wire.
Use
cold
wire
JOG
button,
if
available,
to
thread
wire.
The
welding
wire
and
all
metal
parts
in
contact
with
it
carry
weld
output
when
the
gun
trigger
is
depressed.
16.
Thread
welding
wire,
and
resume
operation.
113337
Page
5
Item
Part
No.
No.
Description
Figure
A
Exploded
View
Of
MWG-200
Gun
(Contd.)
tOptional
Equipment.
BE
SURE
TO
PROVIDE
MODEL
AND
STYLE
NUMBER
WHEN
ORDERING
REPLACEMENT
PARTS.
Quantity
1
1
1
1
1
1
1
1
1
4
1
2ft
2
1
1
2
1
1
2
112
796
TUBE,
contact
.035
wire
1
3
112
778
ADAPTER,
tube-contact
.030-.045
wire
1
3
t112
776
ADAPTER,
tube
contact
.024
wire
1
4
112
780
INSULATOR,
nozzle
1
5
112
774
NUT,
conduit
1
6
081
957
SWITCH,
leaf
1
7
112
244
NUT,
handle/head
tube
8
089
401
HANDLE,
gun
9
112
097
SCREW,
set-socket
hd
1/2-13
x
3/8
10
059
294
SPRING,
compression
0.210
OD
x
5/8
long
11
049
313
TRIGGER,
gun
12
047
867
TUBING,
vinyl-glass
No.
9
x
1/2
13
088
122
STRAIN
RELIEF,
extension
14
049
872
CORD,
power
(consisting
of)
15
079 878
.
HOUSING
PLUGS
&
PINS
(consisting
of)
16
079
535
.
.
TERMINAL,
male
17
048
834
.
CLAMP,
cable
18
604
525
.
CORD,
No.
182/c
(order
byft)
19
081
909
SPLICE,
paralIeI2O-l6wire
20
091
602
STRAIN
RELIEF,
cable
21
047 047
CONNECTOR,
cable-feeder
end
22
079974
O-RING,1/2IDxO.103
23
t087
331
GUIDE,
wire-outlet
.023/.025
wire
23
049
310
GUIDE,
wire-outlet
.030-.035
wire
24
049
312
RING,
locking-handle
3
25
081
959
SCREW,
set-6-32x3/32
2
26
035629
O-RING,3/8x1/2
2
27
049
876
NUT,
connecting-cable
2
28
047
049
FITTING,
hose-gas
2
29 t112
788
LINER,
monocoil
.023/.025
wire
(consisting
of)
1
29
112
790
LINER,
monocoil
.030-.035
wire
(consisting
of)
1
30
..
1
31
..
1
32
081959
..
1
33
..
2
34
..
1
35
112096
..
1
36
602
173
1
37
049
871
1
38
107428
1
39
049
854
1
40
049
857
1
40 t049
858
1
40
t046
154
1
.0-RING,
3/16
IDxO.103
COLLAR,
locking-liner
SCREW,
set
6-32
x
3/32
STRAIN
RELIEF,
extension
CABLE/CONDUIT,
12
ft
PIN,
spring
5/32
x
1-3/8
SCREW,
set-socket
hd
10-32
x
1/4
STRIP,
paper
0.20
x
7/8
x
1
CONNECTOR,
cable-gun
end
(Includes
1
of
item
26)
TUBING,
glass-acrylic
1/2
x
1-1/4
TUBE,
head
60
TUBE,
head
80
TUBE,
head
180
113337
Page?
Ft~
-
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-
2
-
3
-
4
-
5
-
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-
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-
8
-
9
-
10
Miller JH000000 Owner's manual
- Category
- Welding System
- Type
- Owner's manual
- This manual is also suitable for
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