FM-15: FM-15 CHAIN JUMPS OFF OR DERAILS DURING USE

Chain jumps off or derails from the guide bar during use, causing unsafe operation.

• The saw chain leaves the guide-bar groove, hangs from the bar, or comes off the drive sprocket.

  The saw chain leaves the guide-bar groove, hangs from 1. Release the trigger, remove the battery, let the chain stop and cool, and do not

• root cause analysis
• tools needed
• step-by-step repair procedure
• diagrams
• exploded views
• post-repair checks

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