Ryobi RY43160A Manuel de l'opérateur télécharger pdf (Page 19)

Page 19 — English

CUTTING

CORNER

SIDE PLATE

DEPTH GAUGE

TOE

GULLET

HEEL

RIVET HOLE

TOP

PLATE

PARTS OF A CUTTER

Fig. 19

HOW TO SHARPEN THE CUTTERS

See Figures 19 - 22.

Be careful to file all cutters to the specified angles

and to the same length, as fast cutting can be

obtained only when all cutters are uniform.

Tighten the chain tension enough that the chain

does not wobble. Do all of your filing at the mid-

point of the bar. Wear gloves for protection.

Use a 5/32 in. diameter round file and holder.

Keep the file level with the top plate of the tooth.

Do not let the file dip or rock.

Using light but firm pressure, stroke towards

the front corner of the tooth. Lift file away from

the steel on each return stroke.

Put a few firm strokes on every tooth. File all left

hand cutters in one direction. Then move to the

other side and file the right hand cutters in the

opposite direction. Occasionally remove filings

from the file with a wire brush.

NOTICE:

Dull or improperly sharpened chain can cause

excessive motor speed during cutting which

may result in severe motor damage.

WARNING:

Improper chain sharpening increases the po-

tential of kickback. Failure to replace or repair

damaged chain can cause serious injury.

Fig. 20

Fig. 21

LEFT HAND

CUTTERS

RIGHT HAND

CUTTERS

Fig. 22

MAINTENANCE

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 59 60

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Ryobi RY43160A Manuel de l'opérateur Page 19

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