Converting The Equipment For Welding With Aluminium Wire - LORCH M-Pro BasicPlus Manuel D'utilisation

Before start-up
Turn on the machine at mains switch 9.
Â
Solenoid valve will be switched on for 10
9
seconds.
Set the gas quantity using adjusting screw
Â
35 of the pressure reducer 13. The gas
quantity will be displayed on the flowmeter
34.
Rule of thumb:
Gas volume = wire diameter x 10 l/min.
The cylinder content is indicated on the
‰
content manometer 33.
32
14
1
Abb. 13: Connecting the inert gas cylinder
12 .8 Converting the equipment for
welding with aluminium wire
Replace the wire feed roller 25 with a sui-
Â
table aluminium wire feed roller.
Replace the steel torch with an aluminium
Â
torch, or replace the inner steel coil with a
teflon core.
Remove the guiding tube 43 in central
Â
socket 11.
Shorten the protruding wire liner 41 so that
Â
it comes very close to the wire feed roll 25
and slide the accompanying supporting
tube 42 over the protruding wire liner 41
to stabilize and cut to length.
01.10
33
34
13
5
35
Tighten the torch and thread the wire elec-
Â
trode in.
The order numbers of the replace-
i
ment parts depend upon the type
of torch used and the diameter of
the wire, and can be obtained from
the torch spares lists.
25
11
43
42
Abb. 14: Wire feed
Central socket
11
Central connection (torch)
17
Wire feed roller
25
Retaining nipple (=clamp) of the teflon
38
or plastic liner for 4.0 mm and 4.7 mm
outside diameter
O-ring to reduce the gas outlet
39
Union nut
40
Teflon and plastic liners
41
Support tube for teflon and plastic
42
liners with 4 mm outside diameter
replaces the guiding tube 43 in the
central socket. At 4.7 mm outside
diameter the tube is not required.
Guiding tube, replaces the support
43
tube.
40 38
41 39 17
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