Operation Manual

11
A7 MIG Gun 500-w© Kemppi Oy 2017 1712
OPERATING MANUAL
11.2 Connecting the hose assembly to the gun
This section describes how to assemble the A7 MIG Gun 500-g neck.
Figure 5: Connecting the hose assembly to the gun
1
4
3
2
1. Gun neck
2. Positioning pin
3. Cable assembly
4. Fastening nut of welding gun
Proceed as follows:
1. Equip the A7 MIG Gun 500-w neck (1) with a tip adapter, contact tip, and gas
nozzle.
2. Introduce the positioning pin (2) into the marked bore. The A7 MIG Gun 500-w
neck (1) can only be fastened in this position.
3. Connect the A7 MIG Gun 500-w neck (1) to the cable assembly (3) with the
fastening nut (4).
After the gun has been used for an extended time, it might no longer be possible to
disconnect it by hand. To disconnect the gun in this situation, use a suitable wrench. Do
not use pliers to disconnect the gun.
11.3 Equipping the cable assembly with a liner
This section describes how to equip the cable assembly with a liner.
Figure 6: Equipping the cable assembly with a liner
1
4
5
678
9
10
2
3
1. Gun neck
2. Cable assembly
3. Air-blast hose
4. Connecting nut of central connector
5. Central connector
6. Support sleeve
7. Complete liner
8. Wire feed
9. EMERGENCY STOP cable
10. Robot mount
Select the proper wire type and the corresponding wire guide.
For cutting the wire to size and for correct mounting, see Section 12.3.
Proceed as follows:
1. Lay the cable assembly (2) straight.
2. Slide the complete liner (7) from the central connector (5) into the gun neck (1) as far
as it will go.
If required, connect the EMERGENCY STOP cable ()) of the robot mount (10) to the cable
assembly (2).