Oregon Harvester Handbook page 83

Bar Rail Dresser, p/n 111589 makes it easy to
remove effects of normal wear and remove
minor damage .
7 . On sprocket-nose guide bars, check for clearance around
u
the guide bar's tip, between the tops of rails, and the
chassis . Replace nose sprockets before cutters or tie-straps
contact the bar nose rails .
Mechanical Timber Harvesting Handbook
Guide Bar Maintenance
1/32"( 0,8 mm )
1/32"
78