Lincoln Electric K2447-3, K2447-2, K2447-1 User Manual
GMAW
C
®
Pyth
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Push-Pull Gun
OPERATOR'S MANUAL
Model number K2447-1, K2447-2, K2447-3
IM875
MK 091-0564
September 2005
Rev A.
Safety Depends on You
Lincoln arc welding equipment
is designed and built with safety
in mind. However, your overall safety can be increased by
proper installation...and thoughtful
operation on your part. DO NOT
INSTALL, OPERATE OR REPAIR
THIS EQUIPMENT WITHOUT
READING THIS MANUAL AND
THE SAFETY PRECAUTIONS
CONTAINED THROUGHOUT.
And, most importantly, think before
you act and be careful.
OPERATOR’S MANUAL
on is a registered trademark of MK Products
World's Leader in Welding and Cutting Products
Sales and Service through Subsidiaries and Distibutors Worldwide
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
opyright © 2005 Lincoln Global Inc.
Py
thon-Plus Owner's Manual Page i
Py
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i
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Python-Plus Owner's Manual Page iii
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0LEASE RECORD YOUR EQUIPMENT IDENTIFICATION INFORMATION BELOW FOR FUTURE REFERENCE 4HIS
INFORMATION CAN BE FOUND ON YOUR MACHINE NAMEPLATE
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7HENEVER YOU REQUEST REPLACEMENTS
SUPPLY THE INFORMATION YOU HAVE RECORDED ABOVE
2EAD THIS /WNERS -ANUAL COMPLETELY BEFORE ATTEMPTING TO USE THIS EQUIPMENT 3AVE THIS MANUAL
AND KEEP IT HANDY FOR QUICK REFERENCE 0AY PARTICULAR ATTENTION TO THE SAFETY INSTRUCTIONS WE
HAVE PROVIDED FOR YOUR PROTECTION
PARTS FOR OR INFORMATION ON THIS EQUIPMENT ALWAYS
Table of Contents
S
iii
.
.
.
.
Accessories
C
.
4
.
4
.
.
els
.
ce
iodic Maintenance
App
l
l
W
y
afety Considerations .......................................................................-
nstallation
echnical Specifi cations
Support Equipment Required
un Lead Connections
peration
eneral
ontrols and Settings
rigger Adjustment ............................................................................................
rive Roll and Idler Rolls................................................................................
ptional Kits
Snake Skins
ontact Tips
as Cups ..........................................................................................................
rr
...........................................................................................................
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....................................................................................................
.............................................................................................................
intenan
r
Recommended Spare Parts List
ection A
ection B
ection
ection D
roubleshooting
roubleshooting Guide
esting The Gun
ection E
endices.............................................................................ection F
iagrams / Parts List
echanica
ectrica
K Repair Stations
afety Warnings
arrant
THIS PAGE INTENTIONALLY BLANK
1
ection A
n
s
y
d
)
2
s
A
)
)
)
g)
)
g)
T
)
Air/
)
d
ead Connections
e
A #
t
p
t
The Pyth
comes standard with a poly-lined conduit, for feeding
f
Adap
ose
T
t
ectric Cable
A
t
lly
/
.
nstallatio
Technical Specifi cation
Wire Capacit
.030" - .045" (0.6mm - 1.2mm) solid and hard wire
.030" - 1/16" (0.8mm - 1.6mm) aluminum and cored wire
Wire Spee
00 IPM (20.3 mpm) Max. at rated feeder Input Voltage (120VAC / 42VAC
Duty Cycle - 100% (All ratings are using Argon Gas)
00 Amps/25 Volt
hipping Weight (approximate) - Air Cooled
15ft. (4.5m
25ft. (7.6m
0ft. (15.2m
orch weight (less leads
Water cooled - 2.5 lbs. (1.13 kilogram
ir cooled standard
29.9 lbs.
.09 lbs.
.29 lbs.
5.94 Kg
8.29 K
13.19 K
upport Equipment Require
.V. or C.C. Power Source of suffi cient capacity for your needs.
egulated gas supply and hoses.
roperly sized power leads from power source to wire feeder and
round.
n L
Power Cabl
2 AWG power cable is used on the Python-
cable has a fi tting crimped to the copper cable strands. This fi tting is
hen threaded into the gun body. The cabinet end of the power cable is
incor
orated into the Power/Gas Adaptor.
ndui
onaluminum wire. The longer fi tting with a shallow groove is used on the gun
end. A set screw located on top o
lace. The cabinet end of the conduit is incorporated into the Power/Gas
tor.
H
he gas hose is pushed over a barbed fi tting on the gun body and secured
with a plastic tie wrap. The cabinet end of the gas hose is incorporated into
he Power/Gas Adaptor.
El
multi-conductor control cable is used on the Python-
he cable is secured with a cable clamp and the wires are connected to the
potentiometer, the micro switch, the motor and the gun body mechanica
lack is left in the electric cable as it exits the back of the gun to prevent
cable and
7-Pin, Amphenol connector
or wire breakage. The cabinet end of the control cable uses a
the gun handle secures the conduit in
us. The gun end of the
us. The gun end of
.
thon-
lus Owner's Manual -
age
2
ection B
n
T
t
y
gs
r
T
h
T
T
f
A
tri
Adj
itch l
T
t
t
f
t
liki
Idl
lls
al
The Pyth
idl
y
S
eratio
eneral
he Python gun maintains a constant, steady, uniform wire feed speed,
regardless of curved or looped wire conduit. The constant push exerted by
he slave motor in the cabinet, combined with the pull of the torch motor,
causes the wire to literally fl oat friction-free through the wire conduit. The
24VDC torch motor is controlled b
potentiometer in the torch handle.
ontrols and Settin
Potentiomete
he laterally-positioned potentiometer is located in the lower end of the
handle, providing up to 800 ipm with 3 3/4 turns.
icro Switc
he micro switch assembly consists of the micro switch, and leads.
Trigger Sensitivity
he amount of trigger level travel can
be shortened
responsive" action.
more sensitive trigger lever is produced
by reducing the gap between the
gger lever and the micro-switch lever.
By turning-in the Trigger Sensitivity
ustment Screw, it closed the gap
etween the trigger lever and the microsw
he sensitivity of the trigger lever.
ever.
his well enable the operator to increase
or a "quicker" or "more
a three and three-quarter (3 3/4) turn
ensitivity Adjustmen
With the wire feeder turned on (with or
without welding wire loaded), turn the
rew in until the micro-switch is activated.
Once activated, the gun and wire feeder
motors will begin
he screw accordingly until the system is
eactivated and adjusted to the operators'
rive Roll and
ner
on gun comes standard with a knurled drive roll and a grooved
roll, which will handle both steel and aluminum wire with diameters from
.030-1/16 inch. Optional insulated V-groove drive rolls are also available for
aluminum wire if desired (see Optional Kits).
rive roll tension is accomplished with a unique spring-loaded pressure
screw. The P
screw preset.
eeding wire. Retract
ng.
er Ro
er
thon comes from the factory with the pressure adjustment
O ADJUSTMENT IS REQUIRED FOR ALL SIZES
AND TYPES OF WIRE
thon-
lus Owner's Manual -
age
3
Drive Roll In
stallatio
al
eeds to be removed to access the
e
the idle
Ali
t
N
4
eaded shaf
stallation and Removal
)
idl
idl
idl
2
1
3
n/Remov
NOTE: Neither of the handles n
Driv
r Idler Rolls.
am Lever
.
ull the Cam Lever away from
r roll. This will relieve the
pressure against the drive roll (as
shown in Figure 1).
igure
gn the Drive Roll Removal Tool
P/N 931-0100) over the fl ats of the
rive roll (as shown in Figure 2).
the torch with one hand or on
a table top, with the other hand give
he Removal Tool a quick snap-turn
n the CLOCKWISE DIRECTIO
Figure
3. Once the drive roll is loose, continue to spin drive roll in the clockwise
irection to remove the drive roll from the torch.
. Install a new drive roll on the left-hand thr
t. The drive roll will
self-tighten when it is feeding wire.
ler Roll In
Reference Figure 3
.
sing a slot type screwdriver, loosen
er screw, taking care not to lose
lock washer under idler roll.
nsert new
er roll and lock washer onto screw, insuring that
er groove
s toward top and lock washer is beneath.
igure
.Tighten.
OTE: Lock washer must be under idler roll or it will not turn freely.
thon-
lus Owner's Manual -
age
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