Tanaka ECV-4501 manual Chain Sharpening

ECV-4501

CHAIN SHARPENING

Parts of a cutter. (Fig. 4-1, 2)

WARNING!

Gloves should be used when sharpening chain.

1.Top plate

2.Working corner

3.Side plate

4.Gullet

5.Heel

6.Chassis

7.Rivet hole

8.Toe

9.Depth gauge

10.Correct angle on top plate (degree of angle depends on chain type)

11.Slightly protruding "hook" or point (curve on non-chisel chain)

12.Top of depth gauge at correct height below top plate

13.Front of depth gauge rounded off

LOWERING DEPTH GAUGES WITH A FILE

1)If you sharpen your cutters with a file holder, check and lower the depth.

2)Check depth gauges every third sharpening.

Owner’s Manual

3)Place depth gauge tool on cutter. If depth gauge projects, file it level with the top of the tool. Always file from the inside of the chain toward an outside cutter. (Fig. 4-3)

4)Round off front corner to maintain original shape of depth gauge after using depth gauge tool. Always follow the recommended depth gauge setting found in the maintenance or operator manual for your saw. (Fig. 4-4)

GENERAL INSTRUCTIONS FOR FILING CUTTERS

File (1) cutter on one side of the chain from the inside out. File on forward stroke only. (Fig. 4-5)

5)Keep all cutters the same length. (Fig. 4-6)

6)File enough to remove any damage to (~) 6 cutting edges (side plate (1) and top plate (2)) of cutter. (Fig. 4-7)

SHARPENING ANGLES FOR SHARPENING SAW

CHAIN (Fig. 4-7B)

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