Sharpening Drive Link Tangs; Saw Chain Has Tight Joints - Oregon Harvester Handbook

Saw Chain Troubleshooting

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.

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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 .
Mechanical Timber Harvesting Handbook