WeldKing COOLARC 200, Owner'S Manual

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Manual no. WM070401 Page 25
CoolArc200
7-2.7.Welding machine should not work in a flammable and toxic environment, avoid moisture, rain,
and do not directly expose to sun.
7-2.8.Do not switch off the welder during welding!
7-2.9.Periodically maintain the machine and clean the dust inside.
Lens Shade Selector Guide
Operation
/Process Electrode Size in.
(mm) Arc Current
(Amperes) Minimum
Protective
Shade Suggested*
Shade No.
(Comfort)
Shielded metal
arc welding
(SMAW) Less than 3/32(2.5)
3/32−5/32 (2.5−4)
5/32−1/4 (4−6.4)
More than 1/4 (6.4) Less than 60
60−160
160−250
250−550 7
8
10
11 —
10
12
14
Gas tungsten arc
welding (GTAW) Less than 50
50−150
150−500 8
8
10 10
12
14
AWS F2.2:2001 (R2010), Adapted with permission of the American Welding Society (AWS),
Miami, Florida
Table 7.2