Maintenance And Repair - LORCH ControlPro T Serie Manual De Instrucciones

Maintenance and repair

Welding current [A]
10 - 50
50 - 200
> 200
16 Maintenance and repair
Please heed the current safety and accident prevention
regulations during all maintenance and repair work.
The machine requires a minimum of care and mainte-
nance. Only a few items need to be checked to ensure
trouble-free long-term operation.
 Check regularly for damage:
– Mains plug and cable
– Welding torch and connections
– Ground cable and connection
 Check the dust filter every two months.
– Switch the machine off
– Unplug the mains plug
– Unscrew the ventilation grid on the rear side
– Check the dust filter for pollution
– Replace the dust filter if it is polluted (dust filter:
Order number 612.5192.0)
Use only original Lorch spare parts for
maintenance and repair.
If you experience problems or need re-
pairs, contact a dealer authorised by Lorch.
Never make repairs or technical changes
yourself. In this case the manufacturer's
warranty is no longer valid..
04.19
Electrode angle
15° - 30°
30° - 45°
45° - 75°
909.1709.9-05
The shape of the electrode for DC welding has to be
and remain as sharp as a pencil. The angle of the point
depends on the welding current. When AC welding, it is
sufficient to sharpen the edge of the electrode slightly.
After a short time, a round to slightly convex form is built.
If the electrode tip is polluted due to dipping into the weld
pool or touching the filler wire, the respective part of the
electrode must be completely ground off. Restore the
original, pointed shape. Grind in longitudinal direction.
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