Miller KB8 Owner's manual

Miller
Brand
Miller
Model
KB8
Category
Welding System
Type
Owner's manual

This manual is also suitable for

The Miller KB8 is a 150-ampere, air-cooled gas tungsten arc welding torch designed for welding thin materials from .020 to 1/8 inches (0.5 to 3.2 mm). It features a one-piece, high-flex cable or a two-piece cable for added flexibility and maneuverability. The gas valve and flex head are also available separately for customization. With the right consumables and proper maintenance, this torch is ideal for a variety of welding applications.

The Miller KB8 is a 150-ampere, air-cooled gas tungsten arc welding torch designed for welding thin materials from .020 to 1/8 inches (0.5 to 3.2 mm). It features a one-piece, high-flex cable or a two-piece cable for added flexibility and maneuverability. The gas valve and flex head are also available separately for customization. With the right consumables and proper maintenance, this torch is ideal for a variety of welding applications.

Millerfi
September
1992
Form:
OM-1559A
Effective
With
Style
No.
KB-B
OWNERS
MANUAL
~
_~_
MT-17
GTAW
Torches
U
Read
and
follow
these
instructions
and
all
safety
blocks
carefully.
Have
only
trained
and
qualified
persons
install,
operate,
or
service
this
unit.
~-
~
U
Give
this
manual
to
the
operator.
U
For
help,
call
your
distributor
U
Callyourdistributorifyoudonotunderstand
the
directions.
- -
U
or:
MILLER
ELECTRIC
Mfg.
1079,
Appleton,
WI
54912
Co.,
P.O.
Box
414-734-9821
I
150
Ampere,
Air-Cooled
Gas
Tungsten
Arc
Welding
Torch
For
GTAW
.020
Thru
1/8
in
(0.5
Thru
3.2
mm)
Tungsten
Size
Capacity
Includes
12-1/2
Or
25
ft
(3.8
m
or
7.6
m)
Cable
One-Piece,
High
Flex
Or
Two-Piece
Cable
Available
Gas
Valve
and
Flex
Head
Also
Available
Tungsten
Electrode
And
Torch
Consumables
Needed
cover
8/92
ST~
120 674
PRINTED
IN
USA
.5
MILLERS
TRUE
BLUETM
LIMITED
WARRANTY
Effective
January
1,
1992
(Equipment
with
a
serial
number
preface
of
KC
or
newer)
This
limited
warranty
supersedes
all
preaisus
MILLER
warranties
and
is
exclusive
with
no
other
guarantees
or
warranties
eupressed
or
implied
LIMITED
WARRANTY
Subject
to
the
lerws
and
conditions
below,
MILLER
Electric
MIg
Co..
Appleton,
Wisconsin,
warrants
to
its
original
retail
purchaser
that
new
MILLER
eguipwent
sold
after
the
effective
date
of
this
limited
warranty
is
free
of
de
tects
in
material
and
workmanship
at
the
time
it
is
shipped
by
MILLER.
THIS
WAR
RANTY
IS
EXPRESSLY
IN
LIEU
DF
ALL
OTHER
WARRANTIES.
EXPRESS
DR
IMPLIED,
INCLUDING
THE
WARRANTIES
OF
MERCHANTABILITY
AND
FIT
NESS
Within
the
warranty
periods
listed
below,
MILLER
will
repair
or
replace
any
war
ranted
parts
or
components
that
tail
due
to
such
defects
in
material
or
workmanship
MILLER
must
be
notified
in
writing
within
thirty
(30)
days
of
such
detecl
or
failure
at
which
lime
MILLER
will
provide
instructions
on
the
warranty
claim
procedares
lobe
followed
MILLER
shall
honor
warranty
claims
on
warranted
equipment
listed
below
in
the
event
nf
such
a
failure
within
the
warranty
lime
periods.
All
warranty
time
periods
start
on
the
date
that
the
eqvrprnenl
was
delivered
to
the
original
retail
purchaser,
and
are
as
follows
ft
Yearn
Parts
-3
Years
Labor
Orig:nal
main
power
rectifiers
3
Years
Pans
and
Labor
TransfsrmertRectitier
Pcwer
Sources
Plasma
Arc
Catting
Power
Sources
Sem-Automatic
and
Automatic Wire
Feeders
*
Robots
3
2
Years
Pans
and
Labor
Engne
Driven
Welding
Generators
NOTE
ErrgNres
are
warranted
separately
by
the
engine
manufacturer
I
4
t
Year
Pals
and
Labor
Accessory
Kits
Replacement
Pans
MILLERS
True
Bluerx
Lim:ted
Warranty
shall
not
apply
to
1
Items
tarnished
by
MILLER,
hrjt
manctactured
by
others,
such
as
engines
or
trade
accessories
These
items
are
ccverec
by
the
munutacturers
warranty.
if
any
2
Consumable
components,
such
an
cnnivcr
tys
cutting
nszztes.
contactors
and
relays
3
Equ.pmert
that
rras
been
modriec
by
any
curly
other
than
MILLER,
or
equip.
went
that
han
been
,mpropnriy
Instalind,
rnyrupnrly
opnraled
or
misused
basen
upon
industry
standards
or
eQuipment
which
has
not
had
reasonable
and
necessary
maintenance,
pr
euuiawnnl
wnich
has
been
used
tsr
operation
outsian
of
the
specifications
mi
the
enuipmnnt
MILLER
PRODUCTS
ARE
INTENCED
FOR
PURCHASE
AND
USE
BY
COMMER
CIALINDUSTRIAL
USERS
AND
PERSONS
TRAINED
AND
EXPERIENCED
IN
THE
USE
AND
MAINTENANCE
OF
WELDING EQUIPMENT
In
the
event
of
a
warranty
clam
covered
by
this
warranty,
the
exclusive
remedies
snail
be,
at
MILLERS
sptisn
(1)
repair,
or
121
replacement,
or,
where
authorized
in
writing
by
MILLER
in
appropriate
cases.
13)
the
reassnabIe
cnnr
nf
repair
or
replace
ment
at
an
authorized
MILLER
service
station,
or
141
payment
slur
credit
tar
the
pur
chase
nice
(less
reaecnable
seprecrat~on
b.xsert
upon
actual
use)
upon
return
of
the
goods
at
customers
r;sb
and
erpnnse
MILcERS
opynn
Si
repair
or
replacement
wilt
be
ED
B
.
Factnry
at
Appleton
Wisconsin.
or
F
0
B
at
a
MILLER
avihsrized
ser
vice
lac.iitb
as
determined
by
MILLER
Theretcre
no
cpmoc-nnalisn
or
reimburse-
went
or
transonrtation
costs
of
any
hind
will
be
allowed
TO
THE
EXTENT
PERMITTED
BY
LAW
THE
REMEDIES
PROVIDED
HEREIN
ARE
THE
SOLE
AND
EXCLUSIVE
REIAEDtES
IN
NO
EVENT
SHAcL
MILLER
BE
LIABLE
FOR
DIRECT
INDIRECT
SPECIAL,
INCIDENTAL
DR
CONSEQUENTIAL
DAMAGES
(INCLUDING
LDSS
OF
PRO1T1,
WHETHER
BASED
ON
CON
TRACT
TORT
DR
ANY
OTHER
LEGAL
THEORY
ANY
EXPRESS
WARRANTY
NOT
PROVIDED
HEREIN
AND
ANY
IMPLIED
WAR-
PANTY,
GUARANTY
DR
REPRESENTATIDN
AS
TD
PERFORMANCE,
AND
ANY
REMEDY
FOR
BREACH
OF
CONTRACT
TDRT
DR
ANY
OTHER
LEGAL
THEURY
WHICH,
BUT
FDA
THIS
PRDVISIDN
MIGHT
ARISE
BY
IMPLICATION.
DPERATIDN
OF
LAW
CUSTOM
OF
TRAOE
DR
COURSE
OF
DEALING.
IN
CLUDING
ANY
iMPLIED
WARRANTY
GE
MERCHANTABILITY
OR
FITNESS
FCR
PARTICULAR
PURPOSE.
WITH
RESPECT
TD
ANY
AND
ALL
EQUIPMENT
FURNISHED
BY
MiLLER
IS
EXCi,UDED
ANC
DISCLAIMED
BY
MILLER.
Ssme
states
in
the
U
S
A
do
not
aitow
I,mitalions
01
now
long
an
implied
warranty
lasts,
or
the
exclusion
of
incidentat,
indirect,
ucecaI
or
cosneguenlat
damages,
so
the
above
limitation
or
enclusisn
may
not
apply
to
you
This
warranty
provides
spe
ct.c
legal
rights,
and
other
rights
may
be
available,
but
may
varb
Irom
state
Is
state,
In
Canada,
legislation
in
some
provinces
provians
for
certain
additional
warranties
or
remedes
other
than
as
nlated
herein
and
to
the
evtnnl
that
lhey
may
not
be
waived
the
limitations
and
erclusions
set
out
Above
may
not
apply
This
Limited
Warranty
provides
specific
legal
rights.
and
nther
righlv
may
be
available,
but
may
nary
mm
province
to
province
*
Motor
Driven
Guns
Process
Controllers
Water
Coolant
Systems
HF
Un~ts
*
Grids
*
Spot
Welders
Load
Banks
*
SDX
Transformers
Runnng
Gear/Trailers
Fielo
Options
(NOTE
Field
nplinns
are
covered
under
True
BluerM
for
the
remaining
warranty
period
01
the
product
they
are
installed
in.
sr
for
a
minimum
nt
one
year
whichever
a
greater)
6
Lfpnths
Batteries
90
Days
-
Parts
and
Labgr
MIG
Guns/TIG
Torches
*
Plasma
Cucing
Torches
Remote
Controls
.
.U..
.
r.
RECEIVING-HANDLING
Before
unpacking
eqUipment,
check
carton
for
any
damage
that
may
have
occurred
durtng
shipment.
File
any
daims
for
)oss
or
damage
with
the
delivering
carrier.
Assistance
for
fi)ing
or
Settling
claims
may
be
obtained
from
distrioutor
and/or
equipment
manufacturers
Transportation
Department.
When
requesting
information
about
this
equipment,
alWays
provide
Mode)
Designation
and
Serial
or
Styie
Number,
Use
the
fotowing
spaces
to
record
Mode)
Designation
and
Serial
or
S)y)e
Number
of
your
unit.
The
information
ts
located
on
the
rating
label
or
nameplate.
Model
_________
Serial
or
Style
No.
Date
of
Purchase
miller
5/92
TABLE
OF
CONTENTS
SECTION
1
SAFETY
RULES
1-1.
Prevent
Electric
Shock
1
1-2.
Provide
Protection
From
Fumes
And
Gases
1
1-3.
Protect
Eyes
And
Skin
From
Arc
Rays;
Protect
Ears
From
Noise
1
1-4.
Prevent
Fires
And
Burns
1
1-5.
Protect
Compressed
Gas
Cylinders
1
1-6.
Provide
Protection
For
Special
Situations
1
1-7.
Provide
Proper
Equipment
Maintenance
2
1-8.
Additional
Safety
Information
2
SECTION
2SAFETY
INFORMATION
3
SECTION
3
SPECIFICATIONS
3-1.
Duty
Cycle
4
SECTION
4
INSTALLATION
4-1.
Consumables
And
Parts
Needed
For
Torch
5
4-2.
Assembling
Torch
Body
5
4-3.
Bending
Optional
Flexible
Torch
Head
5
4-4.
Installing
Gas
Supply
6
4-5.
Connecting
Torch
6
SECTION
5-OPERATING
THE
TORCH
7
SECTION
6
MAINTENANCE
&
TROUBLESHOOTING
6-1.
Routine
Maintenance
9
6-2.
Troubleshooting
Table
9
SECTION
7TUNGSTEN
ELECTRODE
7-1.
Selecting
Tungsten
Electrode
10
7-2.
Preparing
Tungsten
11
SECTION
8
PARTS
LIST
Figure
8-1.
Complete
Torch
Assembly
12
Figure
8-2.
Consumable
Parts
14
Table
8-1.
Cross
Reference
To
Competitive
Model
15
OM-1559A
9/92
.
SECTION
1
SAFETY
RULES
a
WARNING:
UNSAFE
PROCEDURES
OR
PRACTICES
can
cause
serious
personal
in
jury
or
death.
Read,
understand,
and
follow
ALL
of
these
safety
rules
before
installing,
operating,
or
servicing
this
equipment.
Be
sure
that
all
end
users
of
this
equipment,
the
operator
and
helpers,
read
and
under
stand
these
safety
rules.
1-1.
Prevent
Electric
Shock
Touching
live
electrical
parts
can
cause
severe
burns
to
the
body
or
fatal
shock.
Severity
of
electrical
shock
is
de
termined
by
the
path
and
amount
of
current
through
the
body.
Therefore:
1.
Do
not
touch
live
electrical
parts.
2.
Do
not
work
in
wet
or
damp
areas.
3.
Wear
dry
insulating
gloves
and
body
protection.
4.
Disconnect
all
power
before
installing
or
servicing
this
equipment.
5.
Turn
off
all
equipment
when
not
in
use.
6.
Properly
install
and
ground
the
welding
power
source
according
to
its
Owners
Manual
and
all
applicable
codes.
7.
Do
not
use
worn
or
damaged
cables
or
cables
that
are
too
small
or
poorly
spliced.
8.
Do
not
wrap
cables
around
your
body.
9.
Do
not
touch
electrode
and
any
grounded
object
or
circuit
at
the
same
time.
10.
Use
only
well-maintained
equipment.
Repair
or
replace
damaged
parts
at
once.
1-2.
Provide
Protection
From
Fumes
And
Gases
Breathing
welding
fumes
and
gases
can
be
hazardous
to
your
health.
1.
Keep
your
head
Out
of
the
fumes.
2.
Use
adequate
ventilation
in
the
work
area
to
keep
fumes
and
gases
from
your
breathing
zone
and
the
general
work
area.
3.
If
ventilation
is
inadequate,
use
an
approved
breathing
device.
4.
Read
the
Material
Safety
Data
Sheets
(MSDSs)
and
the
manufacturers
instructions
for
any
mate
rials
used.
1-3.
Protect
Eyes
And
Skin
From
Arc
Rays;
Protect
Ears
From
Noise
Arc
rays
from
the
welding
process
produce
intense
heat
and
strong
ultraviolet
rays
that
can
burn
eyes
and
skin.
Noise
from
some
processes
can
damage
hearing.
1.
Wear
a
welding
helmet
fitted
with
a
proper
filter
lens
(see
ANSI
Z49.1
for
detailed
information).
2.
Wear
a
welding
helmet
fitted
with
a
proper
filter
lens
(see
ANSI
Z49.1
for
detailed
information).
3.
Use
protective
screens
or
barriers
to
protect
oth
ers
from
flash
and
glare.
4.
Wear
protective
clothing
and
foot
protection.
1-4.
Prevent
Fires
And
Burns
The
hot
workpiece,
hot
equipment,
other
hot
metal,
spat
ter,
and
arc
sparks
can
cause
fires
and
burns.
1.
Wear
correct
eye,
face,
and
body
protection
in
the
work
area.
2.
Allow
work
and
equipment
to
cool
before
han
dling.
3.
Do
not
weld
near
flammable
material.
4.
Watch
for
fire,
and
keep
a
fire
extinguisher
nearby.
5.
For
additional
information,
refer
to
NFPA
Stan
dard
51
B,
Fire
Prevention
in
Use
of
Cutting
and
Welding
Processes,
available
from
the
National
Fire
Protection
Association,
Batterymarch
Park,
Quincy,
MA
02269.
1-5.
Protect
Compressed
Gas
Cylinders
Since
gas
cylinder
are
normally
part
of
the
welding
proc
ess,
be
sure
to
treat
them
carefully.
1.
Protect
compressed
gas
cylinders
from
exces
sive
heat,
mechanical
shocks,
and
arcs.
2.
Install
and
secure
cylinder
so
that
they
cannot
fall
or
tip
over
by
fastening
them
to
a
mounting
bracket,
wall,
or
other
stationary
support.
3.
Keep
cylinders
away
from
any
welding
or
other
electrical
circuits.
4.
Never
aflow
a
welding
electrode
to
touch
any
Cvi
inder.
1-6.
Provide
Protection
For
Special
Situa
tions
1.
Do
not
weld
or
cut
containers
or
materials
which
have
held
or
been
in
contact
with
hazardous
sub
stances
unless
they
are
properly
cleaned
and
in
spected.
OM-1559
Page
1
2.
Do
not
weld
or
cut
painted
or
plated
parts
unless
special
ventilation
is
provided
to
remove
highly
toxic
fumes
or
gases.
3.
Since
welding
can
affect
pacemakers,
keep
all
pacemaker
wearers
out
of
the
work
area.
Have
them
consult
a
doctor
before
coming
near
a
weld
ing
operation.
1-7.
Provide
Proper
Equipment
Mainte
nance
Improperly
maintained
equipment
can
result
in
poor
work,
but
most
importantly
it
can
cause
physical
injury
or
death
through
fires
or
electrical
shock.
Therefore:
1.
Always
have
qualified
personnel
perform
the
in
stallation,
troubleshooting,
and
maintenance
work.
Do
not
perform
any
electrical
work
unless
you
are
fully
qualified.
2.
Before
performing
any
maintenance
work
inside
a
power
supply,
disconnect
the
power
supply
from
the
electrical
power
source.
3.
Maintain
cables,
grounding
wire,
connections,
power
cord,
and
power
supply
in
a
safe
working
order.
Do
not
operate
any
equipment
in
question
able
condition.
4.
Do
not
abuse
any
equipment
or
accessories.
Keep
equipment
away
from
heat
sources
such
as
furnaces,
wet
conditions
such
as
water
puddles,
oil
or
grease,
corrosive
atmospheres,
and inclem
ent
weather.
5.
Keep
all
safety
devices,
guards,
panels,
and
cov
ers
in
position
and
in
good
repair.
6.
Use
equipment
for
its
intended
purpose.
Do
not
modify
it
in
any
manner.
1-8.
Additional
Safety
Information
For
more
information
on
safe
practices
for
setting
up
and
operating
electric
welding
and
cutting
equipment
and
on
good
working
habits,
ask
your
welding
equipment
sup
plier.
For
your
protection,
read
and
comply
with
the
latest
editions
of
the
following
standards:
1.
ANSI
Standard
Z49.1
available
from
the
Ameri
can
Welding
Society,
550
N.W.
LeJeune
Ad,
Mi
ami,
FL
33126.
2.
AWS
Standard
A6.1,
Recommended
Safe
Prac
tices
for
Gas
Shielded
Arc
Welding,
available
from
the
American
Welding
Society,
550
N.W.
LeJeune
Rd,
Miami,
FL
33126.
3.
AWS
Standard
F4.1
,
Recommended
Safe
Prac
tices
for
the
Preparation
for
Welding
and
Cutting
of
Containers
and
Piping
That
Have
Held
Hazard
ous
Substances,
available
from
the
American
Welding
Society,
550
N.W.
LeJeune
Ad,
Miami,
FL
331
26.
4.
NFPA
Standard
51B,
Fire
Prevention
in
Use
of
Cutting
and
Welding
Processes,
available
from
the
National
Fire
Protection
Association,
Bat
terymarch
Park,
Quincy,
MA
02269.
5.
NFPA
Standard
70,
National
Electrical
Code,
available
from
the
National
Fire
Protection
Asso
ciation,
Batterymarch
Park,
Quincy,
MA
02269.
6.
ANSI
Standard
Z87.1,
Safe
Practice
for
Occupa
tion
and
Educational
Eye
and
Face
Protection,
available
from
the
American
National
Standards
Institute,
1430
Broadway,
New
York,
NY
10018.
7.
OSHA
Standard
29
CFR,
Part
1910,
Subpart
0,
Welding,
Cutting,
and
Brazing,
available
from
the
Superintendent
of
Documents,
U.S.
Govern
ment
Printing
Office,
Washington,
DC
20402.
8.
CSA
Standard
Wi
17.2,
Code
for
Safety
in
Weld
ing
and
Cutting,
available
from
the
Canadian
Standards
Association,
178
Rexdale
Blvd.,
Rex
dale,
Ontario,
Canada
M9W
1
R3.
9.
See
also
the
Standards
Booklet Index
in
the
weld
ing
power
source
Owners
Manual.
S
OM-1559
Page
2
3-1.
Duty
Cycle
a
CAUTION
EXCEEDING
RATED
AMPERAGE
and
duty
cycle
can
damage
torch.
Do
not
exceed
rated
amperage
and
duty
cycle
in
Table
3-1.
Duty
cycle
is
how
long
the
torch
can
operate
within
a
ten
minute
period
without
causing
overheating
or
damage.
This
torch
is
rated
at
100%
duty
cycle
allowing
continuous
operation
when
using
argon
shielding
gas
at
rated
amperage.
SECTION
4INSTALLATION
a
WARNING
ELECTRIC
SHOCK
can
kill.
Do
not
touch
live
electrical
parts.
Turn
OFF
welding
power
source,
and
disconnect
input
power
before
installing
torch.
4-1.
Consumables
And
Parts
Needed
For
Torch
Figure
4-1.
Consumables
And
Parts
Needed
For
Torch
Table
4-1.
Gas
Hoses
Needed
For
Torch
Connections
swarni1
9/91
.
Torch
Description
Number
Of
Hoses
With
Fittings
Needed
Figures
One-Piece
Cable
With
Gas
Valve
One-Piece
Cable
Without
Gas
Valve
Two-Piece
Cable
With
Gas
Valve
Two-Piece
Cable
Without
Gas
Valve
1
2
0
(none)
1
Figure
4-4,
Figure
4-6
Figure
4-4,
Figure
4-5
Figure
4-4,
Figure
4-5
warn7.
1
5
4
2
6
7
1
Torch
Body
Obtain
the
following
GTAW
con
sumables
(see
Figure
8-2):
2
Tungsten
Electrode
3
Cup
4
Collet
Body
5
Collet
6
Gas
Valve
(Optional)
7
Power
Cable
Adapter
(Acces
sory)
Adapter
needed
if
torch
is
equipped
with
one-piece
cable.
ST-157
712
OM-1559
Page
4
4-2.
Assembling
Torch
Body
Figure
4-2.
Installing
Torch
Body
4-3.
Bending
Optional
Flexible
Torch
Head
a
WARNING
BENDING
RIGID
HEAD
TORCH
can
damage
torch.
Do
not
bend
rigid
head
model
torches.
Warranty
is
void
if
rigid
head
torch
is
bent
in
any
manner.
-*~
3
4
1
Torch
Body
2
Heat
Shield
3
Collet
Body
4
Cup
5
Backcap
(Short
Backcap
Shown)
6
0-Ring
7
Standard
Collet
8
Reverse
Collet
Reverse
collet
improves
electrical
contact
of
tungsten
electrode.
9
Installing
Tungsten
10
Tungsten
Electrode
To
adjust
tungsten
position,
loosen
backcap.
Keep
connections
tight.
Replace
cup,
heat
shield,
backcap,
and
o
rings
if
cracked.
Distance
about
same
as
diameter
of
tungsten
Install
Check
9
Tighten
-
ST~157
713
1
Flexible
Head
Torch
2
Neck
Bend
only
at
middle
of
neck.
Do
not
bend
more
than
90
degrees
up
or
down.
ST.157
714
Figure
4-3.
Bending
Optional
Flexible
Torch
Head
OM-1559
Page
5
4-4.
Installing
Gas
Supply
a
WARNING
CYLINDERS
can
explode
if
damaged.
Keep
cylinders
away
from
welding
and
other
electrical
circuits.
Never
touch
cylinder
with
welding
electrode.
Always
secure
cylinder
to
running
gear,
wall,
or
other
stationary
support.
BUILDUP
OF
SHIELDING
GAS
can
harm
health
or
kill.
Shut
off
shielding
gas
supply
when
not
in
use:
warn4.l
9/9f
.,
-
Figure
4-4.
Typical
Argon
Or
Mixed
Gas
Regulator/Flowmeter
Installation
4-5.
Connecting
Torch
READ
SAFETY
BLOCKS
at
start
of
.
Section
4
before
proceeding
A.
Connecting
To
Welding
Power
Source
With
Gas
Valve
1
Torch
2
Welding
Power
Source
3
Regulator/Flowmeter
4
Gas
Cylinder
5
Gas
Hose
6
Gas
Valve
7
One-Piece
Torch
Cable
______
8
Power
Cable
Adapter
Connect
torch
cable
to
power
cable
adapter,
and
connect
adapter
to
weld
output
terminal.
One-Piece
Cable
Two-Piece
Cable
9
Torch
Power
Cable
Connect
torch
power
cable
to
weld
Tools
Needed:
output
terminal.
10
Work
Clamp
Ref.
ST-12O
824
5
Obtain
gas
cylinder
and
chain
to
running
gear,
wall,
or
other
station
ary
support
so
cylinder
cannot
fall
and
break
off
valve.
1
Cylinder
Valve
Remove
cap,
stand
to
side
of
valve,
and
open
valve
slightly.
Gas
flow
blows
dust
and
dirt
from
valve.
Close
valve.
2
Cylinder
3
Regulator
Install
onto
gas
cylinder
so
that
2
face
is
vertical.
4
4
Gas
Hose
Connection
5
Flow
Adjust
Typical
flow
rate
is
20
cfh
(cubic
feet
per
hour).
6
Flowmeter
Tools
Needed:
.
Fitting
has
5/8-18
right-hand
:
threads.
Obtain
gas
hoses
needed
to
install
torch
(see
Table
4-1).
1-1/8
in,
5/8
in
ssb31
2/92
Ref
SB-log
492-B
___
.4
_
3
10
7
8
6
5
4
Figure
4-5.
Connecting
To
Welding
Power
Source
With
Gas
Valve
OM-1559
Page
6
To
Welding
Power
Source
Without
Gas
Valve
Tools
Needed:
READ
SAFETY
BLOCKS
at
start
of
Section
4
before
proceeding.
1
Torch
2
Gas
Valve
3
Welding
Power
Source
4
Regulator/Flowmeter
5
Gas
Cylinder
6
Gas
Hose
7
One-Piece
Torch
Cable
8
Power
Cable
Adapter
Connect
cable
to
power
cable
adapter,
and
connect
adapter
to
weld
output
terminal.
9
Torch
Power
Cable
Connect
torch
power
cable
to
weld
output
terminal.
10
Work
Clamp
Ref
ST-120
824
Figure
4-6.
Connecting
To
Welding
Power
Source
Without
Gas
Valve
SECTION
5-
OPERATING
THE
TORCH
___
a
WARNING
ELECTRIC
SHOCK
can
kill.
Always
wear
dry
insulating
gloves.
Insulate
yourself
from
work
and
ground.
Do
not
touch
live
electrical
parts.
Keep
all
covers
and
handle
securely
in
place
FUMES
AND
GASES
can
be
hazardous
to
your
health.
Keep
your
head
out
of
the
fumes.
Ventilate
area,
or
use
breathing
device.
Read
Material
Safety
Data
Sheets
(MSDSs)
and
manufacturers
instructions
for
material
used.
WELDING
can
cause
fire
or
explosion.
Do
not
weld
near
flammable
material.
Watch
for
fire;
keep
extinguisher
nearby.
Do
not
locate
unit
over
combustible
surfaces.
Do
not
weld
on
closed
containers.
Allow
work
and
equipment
to
cool
before
handling.
,~
~
~
ARC
RAYS
can
burn
eyes
and
skin;
NOISE
can
damage
hearing.
Wear
welding
helmet
with
correct
shade
of
filter.
Wear
correct
eye,
ear,
and
body
protection.
MAGNETIC
FIELDS
FROM
HIGH
CUR
RENTS
can
affect
pacemaker
operation.
Pacemaker
wearers
keep
away.
Wearers
should
consult
their
doctor
before
going
near
arc
welding,
gouging,
or
spot
welding
opera
tions.
See
Safety
Precautions
at
beginning
of
manual
for
ba
sic
welding
safety
information.
swarn61
10/91
Figure
5-1.
Safety
Equipment
One-Piece
Cable
Two-Piece
Cable
I
2
3
1
Insulating
Gloves
/
2
Safety
Glasses
With
Side
Shields
3
Welding
Helmet
_______
Wear
dry
insulating
gloves,
safety
glasses
with
side
shields,
and
a
welding
helmet
with
a
correct
shade
of
filter
(see
ANSI
Z49.1).
sb3.1 10/91
OM-1559
Page
7
1
1
Work
Clamp
Use
wire
brush
or
sandpaper
to
clean
metal
at
weld
joint
area.
Connect
work
clamp
to
a
clean,
Tools
Needed:
paint-free
location
on
workpiece,
as
close
to
weld
area
as
possible.
sb4
1*5/92
Figure
5-2.
Work
Clamp
1
Gas
Valve
1
Use
valve
to
control
gas
preflow
and
postflow
at
torch.
Postflow
pre
vents
electrode
from
oxidizing,
or
becoming
contaminated
with
a
black
surface.
Open
valve
just
before
welding.
If
welding
power
source
and
torch
have
gas
valves,
open
both
valves
before
welding.
After
welding,
leave
valve
open
about
10
seconds
for
every
100
amperes
of
weld
current.
Close
valve
when
postflow
is
finished.
ST120
674
Figure
5-3.
Gas
Valve
(Optional)
-
a
WARNING
.
Install
&~\\
Install
&
Conn~~\\
Select
~\~\
lnsert~\~\
Put
On
Set
Controls
Connect
) )
High-Frequency
) )
Tungsten
(see
)
)
Tungsten
) )
Personal
Safely
)
On
Welding
J
Equipment
JJ
Unit
JJ
Sect~on
7)
,J,/
lr.~o
Toch
JJ
Equipment
J
Power
Source
Turn
On
~\
Turn
On~\\
Turn
On
Shielding
Gas
j
j
High-Frequency
)
J
Welding
Power
j J
Begin
Welding
I
~JJ
Unit
JJ
Source
~JJ
Figure
5-5.
Sequence
Of
Gas
Tungsten
Arc
Welding
(GTAW)
ssb8.1
9/92
BUILDUP
OF
SHIELDING
GAS
can
harm
health
or
kill.
Shut
off
shielding
gas
supply
when
not
in
use
warni
1
9/91
1
Shielding
Gas
Cylinder
2
Valve
3
Foot
Control
~}
~
Open
valve
on
cylinder
just
before
welding.
Foot
control
turns
weld
output
and
gas
flow
on
and
off.
Close
valve
on
cylinder
when
fin
ished
welding.
sb5.3
6/92
S-0621-C
Figure
5-4.
Shielding
Gas
4
I
OM-l559
Page
8
SECTION
6-
MAINTENANCE
&
TROUBLESHOOTING
a
WARNING
ELECTRIC
SHOCK
can
kill.
Do
not
touch
live
electrical
parts.
Turn
OFF
welding
power
source,
and
disconnect
input
power
before
working
on
torch.
6-1.
Routine
Maintenance
HOT
PARTS
can
cause
severe
burns.
Allow
cooling
period
before
maintaining
or
servicing.
Maintenance
and
troubleshooting
to
be
performed
qualified
persons.
swarn8.1
10/91
4OHours
-~
4-4,
Figure
5-3
7-1
7-2
*
See
welding
power
source
Owners
Manual.
Figure
6-1.
Maintenance
Schedule
p6-2.
Troubleshooting
Table
Table
6-1.
Welding
Trouble
Trouble
Remedy
Lack
of
high
frequency;
difficulty
in
es-
-~
tablishing
arc.
Select
proper
size
tungsten.
Check
High
Frequency
control
on
welding
power
source.
Be
sure
that
electrode
holder
cable
is
not
close
to
any
grounded
metal.
Check
cables
and
torch
for
cracked
insulation
or
bad
connections.
Repair
or
replace
necessary
parts.
Check
and
adjust
spark
gaps
in
welding
power
source,
if
neces
sary.
--
-
--
--
-~
Section
7-1
*
*
Wandering
arc
poor
control
of
direc-
-~
tion
of
arc.
]
Tungsten
electrode
oxidizing
and
not
re-
-~
maining
bright
after
conclusion
of
weld.
Reduce
gas
flow
rate.
Select
proper
size
tungsten.
Properly
prepare
tungsten.
Shield
weld
zone
from
drafts.
Increase
postflow
time.
Check
and
tighten
all
gas
fittings.
Properly
prepare
tungsten.
Replace
torch
parts
if
water
has
leaked
into
torch.
--~
-a
-a
Figure
5-3
4-4.
4-5
7-2
8
OM-1559
Page
9
7-2.
Preparing
Tungsten
P
1-1/2
Times
Diameter
2
1
Tungsten
Electrode
2
Balled
End
Ball
end
of
tungsten
before
welding
by
applying
either
an
ac
amperage
slightly
higher
than
what
is
recom
mended
for
a
given
electrode
diam
eter
(see
Table
7-1),
or
a
dc
elec
trode
positive
amperage.
Ref
~-oiei
S
Figure
7-1.
Preparing
Tungsten
For
AC
Or
DC
Electrode
Positive
(DCEP)
Welding
a
CAUTION
FLYING
SPARKS
AND
HOT
METAL
can
cause
injury
and
start
fires.
Shape
tungsten
electrode
only
on
grinderwith
proper
guards
in
a
safe
location
wearing
properface,
hand,
and
body
protection.
Keep
flammables
away.
warn2
1
9/91
4
Figure
7-2.
Preparing
Tungsten
For
DC
Electrode
Negative
(DCEN)
Welding
2
P
1
Tungsten
Electrode
2
Tapered
End
2-1/2
Times
Electrode
Diameter
Grind
end
of
tungsten
on
fine
grit,
hard
abrasive
wheel
before
weld
ing.
Do
not
use
wheel
for
other
jobs
or
tungsten
can
become
contami
nated
causing
lower
weld
quality.
2
1
Stable
Arc
Ret,
S0161
2
Flat
/7
0
Diameter
of
this
flat
determines
amperage
capacity.
3
Grinding
Wheel
4
Straight
Ground
Ideal
Tungsten
Preparation
Stable
Arc
2
Ret,
S-Si
62
1
Arc
Wander
2
Point
3
3
Grinding
Wheel
4
Radial
Ground
4
Wrong
Tungsten
Preparation
Wandering
Arc
Ref.
S-0162
OM-1559
Page
11
Includes
L
Item24
23
221
20
19
181
21
171
SECTION
8
PARTS
LIST
11
Figure
8-1.
Complete
Torch
Assembly
4
Fig
8-2
Fig
8-2
11
24
Ir\II
15
16
SA-120
673
OM-1559
Page
12
.2
.3
4
....
116252
4
.
..
.
116251
5
. .
.116256...
300HS
5
..
119914...
3GHS....
5
.
.
119915..
3GHSLD...
4
.
...
116250
4
...
116253
5
....
116256
300HS
6
.
...
116255
100VK
7
.
...
116254
100R
.8
9
....
116259...
300S
9
116258...
300M
9
. .
116257...
300L
10
.
. . .
116260...
300R
.
11
.
. .
.116271
.
1512PCHF
11
.
...
116272.
1525PCHF
12
..
120721
.13
...
120720
.14
.117586
14
.
.
. .
118
514
15
..
116276...
15PCA
16
.
.116261
. .
1512PCN
16
.
...
116
262..
1
525PCN
17
.
...
116267...
212AH
17
....
116268...
225AH
.18
....118512
19
....
116266....
2AN
.20
....
116269...,
3HF
.21
.
. . .
116264..
1512CN
.21
...
116265..
1525CN
.22
...
600317
.23
....
116270....
5PF
.24
...
116263...
15PFN
.25
...
120729
.
.26
...
120761
.27
...
120720
OPTIONAL
Description
Figure
8-1.
Complete
Torch
Assembly
TUNGSTEN,
electrode
(consult
your
welding
supply
distributor)
CUP,
(see
Fig
8-2)
COLLET
BODY,
(see
Fig
8-2)
TORCH
BODY,
rigid
hd
w/heat
shield
(consisting
of)
1
.
.
. .
1
TORCH
BODY,
flex
hd
w/heat
shield
(consisting
of)
HEAT
SHIELD,
std
1
HEAT
SHIELD,
small
dia
gas
lens
1
.
HEAT
SHIELD,
large
dia
gas
lens
1
.
TORCH
BODY,
rigid
hd
w/heat
shield
and
valve
(consisting
of)
1
.
. .
.
1
TORCH
BODY,
flex
hd
w/heat
shield
and
valve
(consisting
of)
HEAT
SHIELD,
std
1
.
VALVE,
knob
(consisting
of)
1
.
0-RING
2
COLLET,
(see
Fig
8-2)
BACKCAP,
short
(consisting
of)
1
.
. .
.
1
BACKCAP,
medium
(consisting
of)
1
.
. . .
1
BACKCAP,
large
(consisting
of)
1
. . .
1
0-RING
1
....
1
HI-FLEX
POWER
CABLE,
12-1/2ft
(consisting
of)
1
HI-FLEX
POWER
CABLE,
25ff
(consisting
of)
1
..RHNUT
2
..RINGNUT
2
HANDLE
1
HANDLE,
medium
w/hole
for
valve
1
POWER
CABLE
ADAPTER
1
HI-PERFORMANCE
POWER
CABLE
&
HOSE,
12-1/2ft
(consisting
of}
1
HI-PERFORMANCE
POWER
CABLE
&
HOSE,
25ff
(consisting
of)
1
GAS
HOSE,
12-1/2ft
(consisting
of)
1
GAS
HOSE,
25ff
(consisting
of)
1
HOSE,
black
1/8
ID
(order
byft
as
reqd)
....GASNUT
1
HOSE
FITTING
1
POWER
CABLE,
12-1/2ft
(consisting
of)
1
POWER
CABLE,
25ff
(consisting
of)
1
CABLE,
weld
copper
No.
4
(order
by
ft
as
reqd)
POWER
CABLE
FITTING
1
POWER
CABLE
FITTING,
(consisting
of)
1
CRIMP,
cable
1
FITTING,
gas
(consisting
of)
1
....RINGNUT
1
1
1
...1
1
....1
1
....1
1
1
....1
1
....1
2....2
2
2
1
1
BE
SURE
TO
PROVIDE
MODEL
AND
STYLE
NUMBER
WHEN
ORDERING
REPLACEMENT
PARTS.
OM-1559
Page
13
Item
Stock
Model
No. No.
No.
Quantity
Model
12
ft.
and
25ff.
17-1
17-2
17F-1
17F-2
17V-1
17V-2
17VF-1
17VF-2
1
1
1
1
1
1
1
2
1
...1
....1....1
....1
....1....1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Standard
Length
Gas
Lens
3GL-XXX
Use
3GHS
Heat
Shield
Stock
No.
119914
Large
Diameter
Gas
Loss
3GLL-XXX
Use
3GHSLD
Heat
Shield
Stock
No.119915
SHORT
FRONT
ENDS
Short
Col/el
Body*
4CB-XXX
Use
300HS
Heat
Shield
Stock
No.116256
Short
Gas
Lens
4GL-XXX
Use
4GHS
Heat
Shield
SlockNo
119916
~Reduce
Continuous
Duty
Rating
By
25%
When
Using
Short
Co/let/Co/let
Body
(Note:
COIIrB
Body
and
Gas
Cup
required
to
complete
torch),
Torcfles
with
high
Rex
composite
cable
also
require
a
power
cable
adapter.
CONSUMABLE
PARTS
SELECTOR
U
STANDARD
LENGTH
FRONT
ENDS
Standard
Length
Cot/el
Body
3CB-XXX
Use
300HS
Heal
Shield
Stock
No.16256
Standard
Co/let
3CXXX
Reverse
Co/let
7C
XXX
Short
Co/let
4
CXXX
Reverse
Co/let
7C-XXX
Tungsten
Diameter
m
(mm)
.020
(0.5)
.040
(1.0)
1/16
(1.6)
3/32
(2.4)
1/8
(3.2)
Amperage
Range
ACHP
DCSF
5-20
520
10-90
15-80
50-ISO
70-ISO
100-235
150-325
150-250
(220-350)
Collot
(StandOrd)
Model
No.
StockNo,
3C20
116367
3C40
116368
3d
6
116369
3C332
116370
3C4
18
116371
Co/el
(Reverse)
Modal
No,
SlockNo.
7C20
116379
7C40
116380
7C1
16
116381
7C332
116382
7C4I8
116383
Collel
Body
)Std,
Lgltl.)
Modol
No.
StockNo
3Ct320
116361
3CB40
116362
3CB
116
116363
3CB332
116364
3CB4
IS
116365
Cup.
Crramic
l-2i/32
Long
oIl)
Cup,
Curarn/c
3-7/32
tong
5~~3(
Stock/Model
No,
1l6347~t~
116348/
116349)
116
350
(3C6(
Cup
Or/ice
3/16
1/4
.
5/16
-.
3/8
,
7/16
116351
)3C7)
116352)3dB)
-
1,2
116
353
(3C
tot
.
5/8
116
354
(3d
12)
.
~,
3/4
116343
(3C4L/
116
344
(3C5L
116345
(3C6L(
1
4
5/16

3/8
116346)3C7LI
1163301
116331
I
116
332
(3A6)
,,,,,,~
7/16
~jLJ
1/4
5/16
.
3/8
116
333
(3A7(
.
.--.
7/16
116334
)3ABt
1/2
116335(3A10)
518
116336(3A12)
3/4
Gas
Lees
CdIlct
Body
Std.
Lgih,
Model
No.
Stock
No.
IGL2O
19
926
3GL40
119
927
119917
/3CG4
3GLI
16
119
928
3GL332
119
929
l,,~*
Tungsten
Diameter
in.
(mm)
020
(0.5)
.040
(1
0)
1/16
(I
6)
3/32
(2.4)
1/8
(3.2)
Amperage
Range
ACHF
DCSP
5-20
5-20
I0-80
15-80
50-I
50
70-150
100-235
150-325
150-250
(220-350)
Collel
(Short)
Model
No.
StockNo.
4C20
116373
4C40
116374
4Ctt6
116375
4C332
116376
4C4t8
116377
Co/let
(Roverse)
Model
No.
StockNo.
7C20
116379
7C40
116380
7Ctt6
116381
7C332
116382
7C4t8
116383
rv~o,..,r,*~_*
3GL418
1
19
930
119
9l9(3CG6)
Cup,
Ceraniic
Gas
Loss
1
-5/8
Lung
~3
3CG11
is
I-I/B
Long
Co/let
Body
(Short)
19
920
)3CG7)
119921
13CG8/
Model
No.
Slnnk
Nn
119
922
(3CC
1
I)
1/4
4CB20
4CB40
116395
116196
119923
t3CGI2t
5/16
19924
)3CG14/
4CBtt6
4CB332
116497 116396
3/8
119925
(3CGI6)
7/Id
4CB41B
IIR
199
/19
032
1-,vm,.
1/2
I
0
aVI
LIARS
Ill
16
119
934
13AG6/
3/4,
119
935
t3AG7t
718
119
936
(3AG8)
I
1/4
5/16
3/8
Cup,
Alumina
Gas
Lens
1-5/8
Long
~
119
937
(3AGII(
Gas
Lens
Collet
Model
No,
Body
Lq.
Dia.
Stock
No
Cup,
Alumina
Slack/Model
No
1-7/8
Long
1119
913
/3AGI2LD)j
r
I
,.::~:,/.::,I
7/I
6
119911
)3AGBLO)I
1/2
Cup,
Ceramic
1-5/32
Long
~J
1-t/8
Lany
Stock/Model
No
Cup
Ormtmce
116337
)2C4)
1/4
t
16
338
)2C5)
-
-~
5/16
116339
)2C6)
-.
,
-:
3/8
t16340)2C7)
7/16
*11634/
)2C8)
112
*116
342
)2C10)
-
-
5/8
Cup,
Cerumic
-7/8
Long
~)
116
326
(2C3L)
3/16
1/6
327
(2C4L(
1/4
116
328
)2CSL)
5/16
116
329
)2C6L)
.
3/8
Cup.
Alumina
1-5/32
Long
~
1t63t0)2A4)
1/4
/16311
)2A5)
5/16
116
312
)2A6)
,
3/8
l16313)2A7)
7/16
116314
)2A8)
-
1/2
t16315)2A/0)
5/8
Gas
Lens
Cot/el
Body
-
Short
Model
No
Stock
No
4GL20
119905
4GL40
119906
4GLI
16
119907
4GL332
119908
4GL4
IS
119909
Cup:,
Alumina
1
Long
~
~
Stock/Model
No
119
893
(2AG4)
119
894
(2AG5)
 
1/4
-
5/16
119
895
(2AG6)
3/8
19
896
)2AG7)
1
7/16
1119912
t3AGIOLD/(
3GLL332
119
902
3GLL418
119
903
11/16
-
r~,.
-
):./..//.:~:
~
I

I
.
1
2
~-:::~~~9
Figure
8-2.
Cojisumable
Parts
SHADED
AREAS
INDICATE
RECOMMENDED
USAGE
S
-0768
Table
8-1.
Cross
Reference
To
Competitive
Model
COMPETITIVE
k
TOCK
NO.
M
ODEL
NO.
NO.
116367
3C20
10N21
COMPETITIVE
STOCK
NO.
MODEL
NO.
NO.
.
116368
116369
116370
116371
116
379
116380
116381
116382
116383
116361
116362
116363
116
364
116365
116
347
116348
116349
116
350
116351
116352
116
353
116354
116
343
116344
116345
116346
116330
3C40
3C116
3C332
3C418
7C20
7C40
7C116
7C332
7C418
3CB20
3CB40
3CB116
3CB332
3CB418
3C3
3C4
3C5
3C6
3C7
3C8
3C10
3C12
3C4L
3C5L
3C6L
3C7L
3A4
10N22
10N23
10N24
10N25
N/A
N/A
N/A
N/A
N/A
10N29
10N30
10N31
10N32
10N28
N/A
105Z43
105Z42
1
05Z44
105Z45
08N78
08N79
08N80
12N03
105Z60
12N02
105Z61
10N50
119934
119935
119936
119937
119
902
119903
119911
119912
119913
116373
116374
116375
116
376
116377
116
379
116380
116381
116
382
116383
116355
116
356
116357
116
358
116359
116337
116338
116339
3AG6
3AG7
3AG8
3AG11
3GLL332
3GLL418
3AG8LD
3AG1OLD
3AG12LD
4C20
4C40
4C116
4C332
4C418
7C20
7C40
7C116
7C332
7C418
4CB20
4CB40
4CB116
4CB332
4CB418
2C4
54N16
54N15
54N14
54N19
45V64
995795
57N74
53N88
53N87
N/A
10N22S
10N23S
10N24S
10N25S
N/A
N/A
N/A
N/A
N/A
N/A
17CB20
17CB20
17CB20
17CB20
13N14
116331
116332
3A5
3A6
10N49
10N48
116340
116341
116333
3A7
10N47
116342
116334
3A8
10N46
116326
116335
3A10
10N45
116327
116336
3A12
10N44
116328
119926
3GL20
45V29
116329
119927
3GL40
45V24
116310
119928
3GL116
45V25
116311
119929
3GL332
45V26
116312
119930
3GL418
45V27
116313
119917
3CG4
54N35
116314
119918
3CG5
54N34
116315
119
919
3CG6
54N33
119
905
119
920
3CG7
54N32
119
906
119921
3CG8
54N31
119907
119922
3CG11
54N35
119908
119923
3CG12
N/A
119909
119924
3CG14
N/A
119893
119925
3CG16
N/A
119894
119932
3AG4
54N18
119895
119933
3AG5
54N17
119896
2C5
2C6
2C7
2C8
2C10
2C3L
2C4L
2C5L
2C6L
2A4
2A5
2A6
2A7
2A8
2A10
4GL20
4GL40
13N15
13N16
13N17
13N18
13N19
796F70
796F71
796F72
796F73
13N08
13N09
13N10
13N11
13N12
13N13
N/A
N/A
4GL116
4GL332
4GL418
2AG4...
2AG5...
2AG6...
2AG7...
N/A
N/A
N/A
53N58
53N59
53N60
53N61
OM-1559
Page
15
.welding
power
source
.TIG
torch
.TIG
kit
(see
TIG
kits
listed
below)
.coolant
system
(if
using
water-
cooled
torch)
remote
control.
NOTE:
The
other
items
necessary
to
weld
are
power
source
primary
cable,
shielding
gas,
and
filler
metal.
KIT
FOR
150
AMP
AIR-COOLED
TIG
TORCH
12-1/2
ft.
(3.8
m)
length
(#129
590)
25
ft.
(7.6
m)
length
(#129
589)
Kit
includes:
Hose
&
hardware
hook-up
kit
(THK-2)
Consumable
accessory
kit
(TAK-1)
-
one
backcap
and
three
sizes
(.040
in.,
1/16
in.,
3/32
in.)
of
collets,
col
let
bodies,
cups,
and
2%
thoriated
tungsten.
Regulator/flowmeter
(HRF-2425)
Ground
cable
with
clamp
(clamp
rated
for
350
Amps)
12-1/2
ft.
(3.8
m)
or
25
ft.
(7.6
m)
lengths
to
match
TIG
torch
length.
NOTE:
Power
cable
adapter
15
PCA
(#116
276)
must
be
ordered
for
torches
with
one-piece
composite
cable.
POWER
CABLE
ADAPTERS
(Required
on
torches
with
one-piece,
high-flex
cable
assembly
and
all
water-cooled
torches.)
I
Adapter
Stock
No.
105Z57
(#116276)
INTERNATIONAL
TIG
TORCH
CONNECTOR
KIT
150
Amp
Torch
For
direct
connection
of
one-piece
torches
or
water-cooled
TIG
torches
into
power
sources
with
International
style
connectors.
RFTC-H14
AMPERAGE
AND
CONTACTOR
CONTROLS
Torch
handle
with
built-in
contactor
and
amperage
control.
Includes
25
ft.
(7.6
m)
control
cord
with
14-pin
plug
for
direct
connection
to
all
Miller
solid-state
TIG
power
sources.
RFTC-H14-S
(#129
332)
Note:
Cannot
be
used.on
torches
with
manual
gas
valve.
For
field
installa
tion
only;
replaces
standard
torch
handle.
FTC-14
REMOTE
CONTACTOR
AND
CURRENT
CONTROL
(#129
338)
Fastens
to
TIG
torch
handle.
Includes
28
ft.
(8.5
m)
cord
and
14-pin
plug.
RMC-H14
AND
RLC-H14
CONTACTOR
SWITCHES
Torch
handles
with
a
built-in
switch
for
remote
contactor
control
of
Miller
solid-state
TIG
power
sources.
Includes
25
ft.
(7.6
m)
control
cord
with
14-pin
Amphenol
plug.
RMC-H14-S
(Momentary)
(#129
336)
RLC-H14-S
(Locking)
(#129
335)
TIG
HOSE
HOOK-UP
KITS
(THK)
THK-2
(air-cooled)
(#128
066)
GAS
REGULATORS
HRF-2425
(#127
6(
The
HRF-2425
regulator/flowme
is
designed
for
MIG,
TIG,
and
other
inert
gas
welding
applications.
It
includes
the
580
CGA
inlet
connector.
The
outlet
pressure
is
preset
at
25
PSIG;
the
maximum
inlet
is
3000
PSIG
and
has
5-40
SCFH
gas
delivery.
AF-1
50
(#127
662)
The
AF-1
50
is
a
flowgauge
regulator
which
includes
the
580
CGA
inlet
connector
for
use
with
argon
and
argon/CO2
gases.
The
AF-1
50
is
ad
justable
for
gas
delivery
of
8-25
SCFH
with
argon
gas.
TIG
ACCESSORY
KITS
(TAK)
Accessory
kits
include
one
backcap
and
three
each
of
the
following:
collet,
collet
body,
alumina
cup,
and
2%
throriated
tungsten
pieces.
TAK-1
(#129
585)
0.40
in.,
1/16
in.,
3/32
in.
TIG
TORCH
CABLE
COVERS
Reinforced
plastic
cable
covi
made
of
tear
and
flame
resisL,.
material.
A
large
and
small
cover
is
available
in
length
to
fit
12-1/2
ft.
and
25
ft.
(3.8
and
7.6
m)
torches.
CC-i
2S
(#126
150)
For
12-1/2
ft.
(3.8
m)
torches.
CC-25S
(#126
151)
For
25
ft.
(7.6
m)
torches.
~-
~QPTIONS
AND
ACCESSORIES
TOTAL
TlG1~
system,
select
~~~ne
each
of
the
following
items:
Provides
the
necessary
hoses
and
(#135
493~
hardware
to
connect
air-cooled
torches
to
a
power
source.
I
W9O
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Miller KB8 Owner's manual

Miller
Brand
Miller
Model
KB8
Category
Welding System
Type
Owner's manual
This manual is also suitable for

The Miller KB8 is a 150-ampere, air-cooled gas tungsten arc welding torch designed for welding thin materials from .020 to 1/8 inches (0.5 to 3.2 mm). It features a one-piece, high-flex cable or a two-piece cable for added flexibility and maneuverability. The gas valve and flex head are also available separately for customization. With the right consumables and proper maintenance, this torch is ideal for a variety of welding applications.

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