failure mode

FM-04: CHUCK COASTS MUCH TOO LONG AFTER TRIGGER RELEASE

FM-04 CHUCK COASTS MUCH TOO LONG AFTER TRIGGER RELEASE

Diagnostic overview

FM-04 CHUCK COASTS MUCH TOO LONG AFTER TRIGGER RELEASE

Related symptoms

  • The trigger returns and motor power ends, but the chuck repeatedly coasts much longer than normal.

    The trigger returns and motor power ends, but the chuck 1. Remove the accessory, fit a charged known-good pack, and point safely.

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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