failure mode

FM-13: FM-13 CUTTING IS SLOW, ROUGH, OR REQUIRES EXCESSIVE PRESSURE

Cutting is slow, rough, or requires excessive pressure due to dull or damaged chain or improper tension.

Diagnostic overview

Cutting is slow, rough, or requires excessive pressure due to dull or damaged chain or improper tension.

Likely Root Causes

  • Dull, chipped, or damaged cutters
  • Incorrect chain tension
  • Dry bar and chain
  • Chain contacted soil, stone, wire, or a nail
  • Worn guide bar or wrong chain

Quick Checks

  1. The saw produces normal chips and cuts smoothly with light operator pressure.
  2. The saw cuts slowly, makes fine dust instead of chips, chatters in the kerf, or Remove the battery and verify chain direction, cooled tension, and lubrication before judging FM-13

Repair Preview

1.

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

Related symptoms

  • The saw cuts slowly, makes fine dust instead of chips, chatters in the kerf, or must be pushed hard despite judging sharpness.

    The saw cuts slowly, makes fine dust instead of chips, 1. Remove the battery and verify chain direction, cooled tension, and lubrication before

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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