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28. Install the cargo box (1) (Refer to 23 - BODY/EX- TERIOR/CARGO BOX - INSTALLATION). 29. Reconnect the battery negative cable. SPECIFICATIONS WELD PROCESS CAUTION: All welds should conform to DaimlerChrysler vehicle engineering process standard “ps 9472”. WELDING PARAMETERS WELDING PROCESS FLUX CORED ARC GAS METAL ARC (MIG)* SHIELDED METAL ARC (STICK) Material Thickness 3.7 mm to 4.2 mm 3.7 mm to 4.2 mm 3.7 mm to 4.2 mm Electrode Type Lincoln Electrical Co. Product #: NR-211 MP (Do Not Substitute) AWS ER70S-3 (Do Not Substitute) ** AWS E 7018 Electrodes Size Inches .045 Tubular .035 Solid 3/32 9 Electrode Stick Out 3/8 9 - 1/2 9 1/2 9 - 5/8 9 N/A Polarity Electrode 9 - 9 Work Piece 9 + 9 Electrode 9 + 9 Work Piece 9 - 9 Electrode 9 + 9 Work Piece 9 - 9 Shielding Gas Self Shielded 75% Ar 25% CO2 Self Shielded Gas Flow Rate N/A 25 - 35 CFM N/A Wire Feed Speed 110 - 130 Vertical Down 70 - 90 Flat & Overhead 245 - 250 Vertical Down 210 - 225 Flat & Overhead N/A Approximate Amperage Vertical 110 - 130 175 85 (3/32 9 Diameter) Flat & Overhead 70 - 90 155 90 (3/32 9 Diameter) Voltage 15 - 18 19 - 20 N/A Direction of Welding Vertical Vertical Down Hill (only) Vertical Down Hill (only) Vertical - Up Hill (only) Flat & Overhead Flat - Push or Drag Flat - Push or Drag Flat - Drag *First choice - Gas Metal Arc Welding Process: Butt joints - apply two layers (passes) of weld metal. First pass 1 ⁄ 2 the thickness. Vertical position welds - maintain electrode wire at leading edge of weld puddle while traveling down hill to produce maximum penetration into the sleeve. These techniques work for 13 - 38 FRAME & BUMPERS DR/DH |