Operation Manual

16
A7 MIG Gun 500-w© Kemppi Oy 2017 1712
OPERATING MANUAL
12.3.2 Shortening the wire liner
This section describes how to shorten the wire liner.
Unused wire liners or PA liners have to be shortened to
the actual length of the hose assembly.
Figure 10: Shortening the wire liner
2
1
6
5
4
3
1. Support sleeve
2. Central plug
3. Hose assembly
4. Retaining nut
5. Collet chuck
6. Liner
Proceed as follows:
1. Lay out the cable assembly (3) straight.
2. Disconnect the central plug (2) from the feed unit.
3. Screw the support sleeve (1) into place.
4. Remove the old wire liner (6), and replace it with a
new one. Then insert the non-insulated side into
the central plug (2).
5. Place the support sleeve (1), turned 180°, onto the
new wire liner (6) (on the side without the liner).
6. Cut o the protruding liner (6). The liner must be
even with the support sleeve (1).
7. Screw the collet chuck (4) onto the wire liner (6) as
far as it will go.
8. The position of the wire guide can be checked
through the sight hole of the collet chuck (5).
9. Slide the collet chuck (5) and wire liner (6) into the
central plug (2) as far as they will go.
10. Slide the support sleeve (1), thread side rst, into
the central plug (2), and tighten it.
11. Attach the hose assembly (3) to the central plug (2),
using the retaining nut (4).
12.3.3 Cleaning the gun neck
This section describes how to clean the gun neck.
To increase the availability time of the welding robot,
Kemppi oers an option for automated gun cleaning.
Proceed as follows:
1. Remove the gas nozzle.
2. Remove welding spatter, and spray the gas nozzle
with a suitable anti-spatter agent.
3. Check the wear parts for visible damage, and
replace any damaged parts, if doing so is necessary.
4. Replace the equipment kit if it is worn or dirty.
5. Clean the separating point and O-rings with a
silicone-free sealing grease.
6. Check the TCP after each use and after any
collisions. Use, for example, an alignment jig to do
this.