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PREVOST PA1561 - Page 5

PREVOST PA1561
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Section 00 : GENERAL INFORMATION
PA1561 3
STEEL – STEEL WELDING
Caution: Before welding, disconnect electronic modules and battery terminals.
Warning: Welding surfaces must be free of scale, slag, rust, paint, grease, humidity or other foreign material
that would render welding impossible.
Warning: Only a qualified and experienced person must do welding.
FCAW (Flux Cored Arc Welding) process ;
Electrode wire conforms to A5.20 AWS (American Welding Society) specifications ;
E4801T-9-CH, type electrode wire with 0,045“ diameter (1,14 mm) ;
Material Thickness Voltage Current Wire Feed Rate Shielding Gas
1/8” to ½” 26 ± 2 volts 260 Amps 450 ipm. approx.
75% argon – 25% CO2
or 100% CO2
If necessary and with great care to prevent perforating the material, it is possible to use a conventional
electric arc welding machine according to the following specifications:
SMAW (Shielded Metal-Arc Welding) process ;
Welding rod conforms to A5.1 of AWS (American Welding Society) specifications; E 7018 type welding
rod with 1/8” diameter (3,2 mm).
Current: 100 amperes to 150 amperes; optimum at 120 amps.
It is important to grind weld bead starts and stops and also to grind arc strikes from surfaces.
STEEL - STAINLESS STEEL OR STAINLESS STEEL - STAINLESS STEEL WELDING
Caution: Before welding, disconnect electronic modules and battery terminals.
Warning: Welding surfaces must be free of scale, slag, rust, paint, grease, humidity or other foreign material
that would render welding impossible.
Warning: Only a qualified and experienced person must do welding.
GMAW (Gas Metal-Arc Welding) process;
Welding wire conforms to AWS (American Welding Standards) A5.9 specifications;
308LSi type welding wire with 0.035" diameter (0,9 mm);
STEEL - STAINLESS STEEL WELDING
Steel Thickness SS Thickness Voltage Current Wire Feed Rate Shielding Gas
Less than 1/8” Any type 20±1.5 volts 130±15 Amps 290 ipm approx.
90% He, 7.5% Ar,
2.5% CO2
1/8” and more Any type 22±1.5 volts 160±15 Amps 330 ipm approx.
90% He, 7.5% Ar,
2.5% CO2
STAINLESS STEEL - STAINLESS STEEL WELDING
SS Thickness Voltage Current Wire Feed Rate Shielding Gas
Any type 20 ± 1.5 volts 130 ± 15 Amps 290 ipm approx.
90% He – 7.5% Ar,
2.5% CO2
If necessary and with great care to prevent perforating the material, it is possible to use a conventional
electric arc welding machine according to the following specifications:
SMAW (Shield Metal-Arc Welding) process;
Welding rod conforms to AWS (American Welding Standards) A5.4 specifications; 308L-17 type welding
rod with 3/32" diameter (2,4 mm);
Current: - 50 amperes to 90 amperes, optimum at 60 amperes.
It is important to grind weld bead starts and stops and also to grind arc strikes from surfaces.