Items Needed to Sharpen Chain

CLEANING AND MAINTENANCE

Purchase these items from your local dealer, hard- ware store, or chain saw supplies outlet.

•5/32" round ﬁle

•Depth gauge tool

•File guide

•Vise

•Medium sized ﬂat ﬁle

Sharpening Cutters

Use ﬁle guide for 30° ﬁling.

1.Adjust chain for proper tension (see Saw Chain Tension Adjustment).

2.Clamp guide bar in vise to hold saw steady. Note: Do not clamp chain.

3.Press 5/32" round ﬁle (attached to ﬁle guide) into groove between top plate and depth gauge on chain. File guide should rest on both top plate and depth gauge (see Figure 23). Note: File at midpoint of guide bar.

Filing Direction

30° Guide Mark

File Guide

5/32" Round

File

Note: This illustration shows ﬁle guide placement and ﬁling direction for sharpening cutters on left side of chain.

Figure 22 - File and File Guide Placement On Chain

Depth Gauge (right

Depth Gauge (left side of chain) side of chain)

Groove

Top Plate (left

side of chain)

Top Plate (right side of chain)

Right Side of Chain

Figure 23 - Chain Part Locations

4.Hold ﬁle guide level. Make sure 30° mark on ﬁle guide is parallel to center of guide bar (see Figure 22). This will insure that you ﬁle cutters at 30° angle.

5.File from inside towards outside of cutter until sharp. Only ﬁle in this one direction (see Figure 22). Note: Two or three strokes with ﬁle should sharpen cutter.

6.After each cutter is sharpened, move chain forward to sharpen next cutter. File all cutters on one side of chain.

7.Move to other side of chain and repeat pro- cess.

Filing Cutter Depth Gauges

The cutter depth gauge clearance is reduced as cutters are sharpened. After every second or third sharpening, reset cutter depth gauges.

1.Place depth gauge tool (.025") ﬁrmly across top of two cutters. Make sure depth gauge enters slot in depth gauge tool (see Figure 24).

2.Use medium ﬂat ﬁle. File depth gauge level with depth gauge tool.

3.Remove depth gauge tool. With ﬂat ﬁle, round off front corner of cutter depth gauge (see Figure 25).

After several hand ﬁlings, have authorized service center or sharpening service machine sharpen chain. This will insure even ﬁling.

Replacing Saw Chain

Replace chain when cutters are too worn to sharpen or when chain breaks. Only use replacement chain noted in this manual. Always include new drive sprocket when replacing chain. This will maintain proper driving of chain. Note: For proper chain and drive sprocket, see Replacement Parts and Accessories.

Flat File

Depth Gauge

Tool

Depth Gauge

Slot

Figure 24 - Depth Gauge Tool On Chain

Front Corner

.025"

.635 mm

Figure 25 - Round Off Front Corner Of Depth Gauge

ENGLISH

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