Impact Wrenches, Using
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Impact wrenches are generally allowed for removing bolts and nuts. Procedures within an open high-voltage battery is excluded from this. Generally no impact wrench is permitted for these procedures.
If the following requirements are met, using an impact wrench to screw in bolts and nuts is permitted during repair procedures. Electric and compressed air impact wrenches are generally intended here.
Requirements:
- Bolts with locking fluid or self-locking nuts may only be installed at low speeds.
- Use a suitable impact wrench with an adjustable speed and torque range.
- Use suitable screwdriver bits near delicate surfaces, for example, use plastic-coated bits on aluminum rims.
- Note the Natural Gas Fuel Systems - General Information repair information when working in a natural gas fuel system area.
Application:
- Position the bolts or nuts by hand.
- Only screw in the bolts or nuts with an impact wrench until the head of the bolt or nut contacts the surface and then continue to turn using a torque wrench.
- Clean the threaded pins before removing the bolt or nut.