Saw Chain Troubleshooting
4. Too little top-plate filing angle. Cause: Filed or ground at less than the recommended angle Symptoms: Slow cutting Requires extra effort to cut Possible binding in cut Remedy: Resharpen cutters while holding the file at the correct top-plate filing angle for the saw chain Be sure the file guide is stamped with the saw chain’s correct top-plate angle 5. Too much top-plate cutting angle. Cause: File held too low or file is too small Grinders: Saw chain ground at the wrong top- plate cutting angle or using an incorrectly-sized grinding wheel Symptom: Poor stay-sharp Rapid dulling Cuts fast for a short time, then dulls Remedy: Resharpen cutters with the correct file in the right size, held in the correct position Use correct file guide 6. Too little top-plate cutting angle. Cause: File held too high or file is too large Grinders: Saw chain ground at the wrong top plate cutting angle or an incorrectly sized grinding wheel Symptoms: Slow cutting Premature wear to saw chain and guide bar rails Remedy: Resharpen cutters using the correct file guide that is the right size and in the correct position 7. Too much hook in the side plate. Cause: File held too low or the file is too small Grinders: Saw chain ground at the wrong top- plate cutting angle, grinding wheel is too small or is grinding too deep into the body of cutter Symptoms: Rough cutting Saw chain grabs Cutters dull quickly or won’t hold cutting edge Top plate breakage and/or saw chain stretch Remedy: Resharpen cutters using the correct file in the right size held in the correct position
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Safety & Maintenance Manual
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