SOLUTION Round off front corner to Maintain original shape.
X
Thin Rail and Low Rail
CAUSE Chain leaning over, cutting crooked. Forcing dull chain to cut. Damage to cutters on one side of chain.
RESULT Thin rail on one or both sides of bar. Rail could be blue color in thin area.
SOLUTION Bar cannot be repaired if rail is thin and uneven. Replace it. Make sure chain doesn’t continue to lean. If it does, replace with a new chain.
Worn Bar Rails
CAUSE Worn bar rails are normal for a bar that has been in service for a period of time.
RESULT Shallow groove.
SOLUTION Replace bar
Wire Edge Bar Rail
CAUSE Normal wear caused by pressure of chain on edges of bar rails.
RESULT Rail edges may chip if wire edge is not removed.
SOLUTION Use a flat file on edge of bar rail to remove wire edge.