failure mode

FM-17: FM-17 GUIDE BAR OR CHAIN IS PINCHED OR JAMMED IN WOOD

FM-17 GUIDE BAR OR CHAIN IS PINCHED OR JAMMED IN WOOD

Diagnostic overview

FM-17 GUIDE BAR OR CHAIN IS PINCHED OR JAMMED IN WOOD

Likely Root Causes

  • Wood closes on and pinches the bar
  • Motor or gearbox has excessive internal load
  • Log or limb support let the kerf close
  • Tensioned branch moved during the cut
  • Saw was twisted in the kerf
  • Cut sequence did not match how the log was supported
  • Bar or chain was already crooked or loose

Quick Checks

  1. POST-REPAIR CHECK

Common Fixes

  • Charged compatible battery

Related symptoms

  • The guide bar cannot be withdrawn from the kerf, the chain is trapped, or the workpiece closes on the saw.

    The guide bar cannot be withdrawn from the kerf, the 1. Release the trigger, remove the battery, wait for all movement to stop, and keep

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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