failure mode

FM-12: FM-12 BIT BINDS, STALLS, OR TWISTS THE DRILL

Bit binds, motor stalls, or drill twists sharply in hands during work, indicating overload or misalignment.

Diagnostic overview

Bit binds, motor stalls, or drill twists sharply in hands during work, indicating overload or misalignment.

Related symptoms

  • The bit jams, the motor stalls, or the drill twists sharply in the hands during work.

    The bit jams, the motor stalls, or the drill twists sharply 1. Release the trigger immediately and hold the drill until stopped.

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  • root cause analysis
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  • step-by-step repair procedure
  • diagrams
  • exploded views
  • post-repair checks

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