failure mode

FM-08: CHUCK WILL NOT OPEN, CLOSE, OR ACCEPT A BIT

FM-08 CHUCK WILL NOT OPEN, CLOSE, OR ACCEPT A BIT

Diagnostic overview

FM-08 CHUCK WILL NOT OPEN, CLOSE, OR ACCEPT A BIT

Related symptoms

  • The chuck sleeve will not turn enough to move the jaws or admit a normal straight bit.

Included in the full manual

  • Root Cause Analysis
  • Tools needed
  • Step-by-step repair procedure
  • Diagrams
  • Exploded views
  • Post-repair checks

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