Guide Bar
77 Mechanical Timber Harvesting Handbook
Guide Bar Maintenance
For proper mounting of your guide bar, refer to the operator’s
manual.
Basic Guide Bar Maintenance Tasks
s Before each use l Daily
n Often (hourly, or at refueling) u Weekly, periodically
1. s n Saw chain tensioning (See “Installation and Break-In” pg. 13)
2. l Inspect for damage and component wear; (refer to Guide
Bar Troubleshooting, pgs. 83 – 90) replace as needed.
Check bar groove depth after dressing by using the Oregon
Harvester Multi-Purpose tool.
3.
u Clean guide bar grooves and oil holes.
Oil hole
4. u Turn your guide bar over to equalize bar wear.
5.
u Dress the rail—always dressing from the bar tip to the bar
mount. Note: If using a grinding wheel, direct debris towards
the tail, then clean out the grooves. Grinding debris can cause
the nose components to wear quickly or jam.
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