Brief Operating Instructions - LORCH M-Pro Performance Manuel D'utilisation

Brief operating instructions

11 Brief operating instructions
A detailed description can be found
i
in chapter. "Before start up" Page 42
and chapter. "Start up" Page 46.
 Place the inert gas cylinderon the unit and
secure it with the chain 1.
 Remove the screw cap from the inert gas
cylinder and open the valve 32 briefly
(blow-out).
 Connect the pressure reducer 13 to the
inert gas cylinder.
 Connect the insert gas hose 5 from the
unit to the pressure reducer and open the
cylinder valve.
 Insert the mains plug in the socket.
 Connect welding return cable to connec-
tor 10 and the clamp to the workpiece.
 Insert wire feed rollers 25 into wire feed
unit in accordance with the type of welding
wire selected, set contact pressure to 2.
 Connect the torch to central connector 11
and insert the relevant contact tip to se-
lected welding wire.
 Insert welding wire.
 Keep torch switch pressed and set main
switch 9 ON. Magnetic valve will be ac-
tivated!
 Adjust gas quantity at pressure reducer.
(Rule: wire diameter x 10 = gas quan-
tity).
 Hold down the wire feed switch 29 until
the welding wire projects from the torch
neck to the gas nozzle by approx. 20 mm.
 Mode key 47 for selection of 2-stroke
mode.
10.13
 Key characteristics 50 and operation knob
52 for adjusting the selected characteristic
line (material-gas-wire-combination)
 Turn knob 45 to set material thickness of
the weldable material.
 Torch switch pressed and held = welding.
 Release the torch switch = welding proc-
ess completed.
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