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Home >> Ford >> 2007 >> Expedition RWD >> Repair and Diagnosis >> Body & Frame >> Frames, Subframes & Crossmembers >> Full Frame And Body Mounting >> General Procedures >> Welding Precautions
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Welding Precautions

  1. If welding must be done on a frame, make sure the following requirements are met:
    • If the frame is attached to the vehicle, the battery ground cable must be disconnected before using any electrical welding equipment. For additional information, refer to BATTERY, MOUNTING AND CABLES article.
    • Do not use gas welding equipment.
    • Use a temperature-indicating crayon to make sure that the temperature does not exceed 750°C (1,400°F).
    • Install new spot-welded components by spot welding where possible. If spot welding is not possible, use puddle welding.
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