Saw Chain
49 Mechanical Timber Harvesting Handbook
Sharpening Drive Link Tangs
Pointed drive link tangs help remove chips and debris from your
guide bar groove. Sharpen damaged tangs back to their original
shape with a round file.
Saw chain has tight joints.
19. Peening on bottom or front of
cutters and tie-straps.
Cause: Improper saw chain tension or a
worn out drive sprocket.
Symptoms: Saw chain stretch or saw
chain breakage.
Remedy: Saw chain with tight joints cannot
be repaired. Replace the saw chain and
maintain proper tension. Replace the rim
drive sprocket if worn.
20. Peening in notches of cutters and
tie-straps.
Cause: Worn spur drive sprocket.
Symptoms: Saw chain stretch or saw
chain breakage.
Remedy: Replace the spur drive sprocket.
Replace the saw chain. Always maintain
proper tension and do not run saw chain
on a worn drive sprocket.
Saw Chain Troubleshooting