failure mode

FM-14 CHUCK COLLAR WILL NOT PULL OR RETURN

The quick-release chuck collar is stuck, has limited travel, or does not spring back after being pulled.

Diagnostic overview

The quick-release chuck collar is stuck, has limited travel, or does not spring back after being pulled.

Likely Root Causes

  • Dust, metal chips, or corrosion bind the collar
  • Bit side-load is holding the retention parts
  • Collar spring or sleeve is damaged
  • Impact nose or housing is bent from a drop

Quick Checks

  1. The collar pulls through full travel and snaps back freely each time.

Repair Preview

1.

This is a preview of the troubleshooting guidance included in the full repair manual.

Related symptoms

  • The quick-release collar is stuck, has limited travel, or does not spring back after it is pulled.

    The quick-release collar is stuck, has limited travel, or 1. Remove the battery and let the chuck and bit cool before touching them.

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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