16
Repair and maintenance
Please heed the current safety
and accident prevention regu-
lations during all maintenance
and repair work .
16 .1
Check regularly
Check the following points for damage
before starting up the welding machine:
–
Mains plug and cable
–
Welding torch and connections
–
Ground cable and connection
Blow out the welding machine every two
months .
Switch the machine off
Â
Disconnect the mains plug
Â
Unscrew both side panels of the unit
Â
Blow out the welding machine with dry, low
Â
pressure compressed air. Avoid blowing
directly on the electronic components from
a short distance, to prevent damage
17
Technical data
Technical data
1
Welding
Welding range (I
..I
2min
2max
Welding range (U
..U
2min
No-load voltage
Voltage setting
Slope characteristic
ED 100 %
ED 60 %
- 50 -
)
A
15..150 15..150 25..170 25..210 25..210 30..250 30..250 30..300 30..300
)
V
14,8..
2max
21,5
V
14,4..
26,9
steps
7
A
100
A
120
Screw the two side panels onto the machi-
Â
ne back again
i
16 .2
Torch care
Remove the weld spatter from inside the
Â
gas nozzle using suitable tongs.
Spray the inside surface of the gas nozzle
Â
with a releasing agent, or use nozzle pro-
tection paste.
This will prevent weld spatter from being
9
burnt on.
14,8..
15,3..
15,3..
21,5
22,5
24,5
14,4..
16,7..
14,5..
26,9
38,0
40,3
7
6
12
constant voltage characteristic line
100
70
75
120
85
90
Technical data
Never make repairs or technical
changes yourself .
In this case the manufacturer's
warranty is no longer valid.
If you experience problems or
need repairs, contact a dealer au-
thorised by Lorch.
15,3..
15,5..
15,5..
24,5
26,5
26,5
14,5..
16,3..
16,3..
40,3
35,1
35,1
12
12
12
75
115
115
90
140
140
15,5..
15,5..
29,0
29,0
16,3..
16,3..
40,2
40,2
12
12
135
135
175
175
01.10