Edge GUARD/DEPTH GAUGE SERIES Manuel d'utilisateur télécharger pdf (Page 26)

Guide Bar Failures

Improper depth gauge settings will cause damage to your

guide rails at any location of the guide bar. The nose of a

sprocket nose guide bar, though, is susceptible to additional

damage and wear. When cutting with a saw chain that has too

loose of tension additional material wear will occur.

When a saw chain comes free during cutting, due to loose

tension, the bar nose may become twisted. A twisted bar nose

will not allow the sprocket to turn freely and will result in a

replacement guide bar being needed do to excessive damage.

DAMAGED NOSE

EXCESSIVE WEAR

AND CHIPPING

SPROCKET FRICTION

NOSE WEAR

Nose Area Discoloration

From Friction

Wear/Chipping

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Edge GUARD/DEPTH GAUGE SERIES Manuel d'utilisateur Page 26