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MAINTENANCE
Flex the cable over its entire length and again blow
out the cable. Repeat this procedure until no further
dirt comes out. If this has been done and feed prob-
lems are experienced, try liner replacement, and refer
to trouble shooting section on rough wire feeding.
LINER REMOVAL AND REPLACE-
MENT
NOTE: Changing the liner for a different wire size
requires replacement of the gas diffuser per Table D.1
to properly secure the different liner.
TABLE D.1
Replace
Size
Fixed Nozzle
No. de Parte del
ment
Stencilled on
Gas Diffuser
Número de
Tamaño Grabado
Difusor de Gas
Line
End of liner
Part No. (and
Diámetro de
Parte de la
en el extremo del
de la Tobera Fija
Diameter of
Part
Bushing
stencil)
Electrodos Utilizados
Guía
CilindrodelaGuía
(grabado)
Electrode Used
Number
.025-.030" Steel
KP1934-2
.030 (0.8 mm)
KP2026-3
(0.6-0.8 mm)
.035-.045" Steel
KP1934-1
.045 (1.2 mm)
KP2026-3
(0.9-1.2 mm)
3/64" Aluminum
KP1955-1
3/64" (1.2 mm)
KP2026-3
(1.2 mm)
LINER REMOVAL, INSTALLATION
AND TRIMMING INSTRUCTIONS FOR
MAGNUM 250L
NOTE: The variation in cable lengths prevents the
interchangeability of liners between guns. Once a liner
has been cut for a particular gun, it should not be
installed in another gun unless it can meet the liner
cutoff length requirement. Liners are shipped with the
jacket of the liner extended the proper amount.
1.
Remove the gas nozzle and nozzle insulator, if
used, to locate the set screw in the gas diffuser
which is used to hold the old liner in place.
Loosen the set screw with a 5/64" (2.0 mm) Allen
wrench.
2.
Remove the gas diffuser from the gun tube.
3.
Lay the gun and cable out straight on a flat sur-
face. Loosen the set screw located in the brass
connector at the feeder end of the cable and pull
the liner out of the cable.
Adjustable
No. de Parte
nozzle Gas
del Difusor de
Diffuser
Gas de la
Part No.
Tobera ajustable
(and
Stencil)
(grabado)
KP2026-2
KP2026-1B1
KP2026-1B1
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