Exchanging The Inner Liner In The Torch Neck; Safety; Tools Needed; Unscrew The Torch Neck From The Pt Drive - Fronius PT-Drive Operating Instructions Manual

Exchanging the inner liner in the torch neck

Safety

Tools needed

Fig.3
Unscrew the
torch neck from
the PT Drive
Fig.4
-
-
Dismount the gas
nozzle and
contact tube
Fig.5
WARNING! Work that is not carried out correctly can cause serious injury and
damage. The actions described below may ONLY be carried out by skilled,
Fronius-trained personnel! Observe and follow all safety rules.
WARNING! Risk of injury from electric shock and from welding electrode emerg-
ing at speed from the torch. Before performing any of the actions described
below, unplug the power source from the mains and shift the mains switch to the
"O" position.
Fork spanner and oblique cutting pliers
(29)
Dismounting the torch neck
Undo the swivel nut (13) and dismount the torch neck (14) from the PT Drive
Detach the gas nozzle (29) from the fixing sleeve (30)
(15)
Unscrewing the contact tube
For contact tube M6 and M8:
- fork spanner
span: 7 mm (.28 in.)
- alternatively: contact tube wrench
span: 7 mm (.28 in.)
article number: 42,0410,0570
For contact tube M10:
- fork spanner
span: 8 mm (.32 in.)
- alternatively: contact tube wrench
size:8 mm (.32 in.)
article number: 42,0410,0138
(30) (14) (13)
- Unscrew the contact tube (15)
M6/M8 ... using the fork spanner or
the contact tube wrench
size: 7 mm (.28 in.)
M10 ... using the fork spanner or
contact tube wrench
size: 8 mm (.32 in.)
6