FM-13: FM-13 CHUCK OR SPINDLE IS HARD TO TURN AT REST

With battery removed and no bit installed, the chuck will not turn freely by hand or feels seized.

• With the battery removed and no bit fitted, the chuck will not hand-turn normally or feels seized.

  With the battery removed and no bit fitted, the chuck 1. Remove the battery and hand-turn the empty chuck.

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

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