ESAB MXH 300PP - Fitting And;Or Replacing the Liner; PTFE Liner; Spiral Liner

© ESAB AB 2005
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bg17e
6.1 Fitting and/or replacing the liner
6.1.1 PTFE liner
1.
a. Before using a 6 m welding gun, the liner must be cut to around 6 metres.
When using a 10 m welding gun, use the entire liner.
b. Taper the liner (1) approximately 40° for soft
transition.
c. Undo the locking nut (2) for the liner.
d. Check that the welding hose is extended.
e. When replacing, pull the liner out from the inlet end.
f. Slide the liner through the hose as far as possible.
Check that the liner is visible in the viewing hole.
g. Cut off the liner (1) using a knife.
h. Install the O-ring (3) on the collet (4)
and screw the collet onto the liner.
i. Push the liner in carefully and tighten
the locking nut (2) using an adjustable
wrench.
6.1.2 Spiral liner
1.
a. Follow the instructions from 7.1.1 a - e.
b. To make it easier to install the liner on
the welding gun, grind the end of the spiral
to an angle of approx. 40°.
Remove any burrs on inside and outside of liner.
c. Then push the liner through the hose as far as possible.
d. Screw the locking nut (2) tight on the gun end of the welding hose.
GB