Replacing Nose Sprockets On Hs Harvester Guide Bars - Oregon Harvester Handbook

Sprocket Nose Replacement: HS
Replacing Nose Sprockets on HS Harvester
Guide Bars
WARNING: Wear eye protection and gloves .
Select a new Harvester nose sprocket with the correct gauge for
your guide bar and saw chain .
1 . Using a 1/4" drill bit, drill out head
from each of the nose sprocket
rivets .
2 . Punch out the remainder of the
rivets . Use a punch narrow enough
to keep from damaging the rivet
holes in the nose of the guide bar .
3 . Use a small screwdriver to spread
the guide bar nose rails just
enough to remove the old nose
sprocket . Clean debris from the
sprocket area .
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Mechanical Timber Harvesting Handbook