RidgeLine 97006 Manual page 51

NOTE: A file guide is available from most reputable tool merchants
and is the easiest way to hold the file at the correct position.
5. File at an angle perpendicular to the bar, and at an angle of 30° to the
direction of travel (Fig. 48).
Fig. 48
6. File each tooth from the inside towards outside only. File one side of the chain
first than turn the saw around and repeat the process.
7. Sharpen each tooth equally by using the same number of strokes.
8. Keep all cutter lengths equal. Check the safety depth gauge height every 5
sharpenings. If the depth gauges are also trimmed it is essential that the
original profile be restored.
9. Use a depth gauge measuring instrument to check the height of the depth
gauge. Depth gauge measuring jigs are available from most reputable tool
merchants (Fig. 49).
Fig. 49
6. Air filter
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