Chain blade sharpening attachment

1. Read the instruction manual of yo:' chain saw to determine the size of wheel point, the top plate filing angle (30"or 35 ) and the depth gauge clearance [0.025"(0.64mm), 0.030"(0.76mm), 0.035" (0.89mm) or 0.040'(1.02mm)] before use.

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Too d a t e filinq anqle

I

Depth gauge

clearance

2.Three sizes of wheel points are available: 5/32"(4.0mm), 3/16"(4.8mm) and 7/32" (5.5mm).Select a proper wheel point for chain cutters to be sharpened.

3.Attach the guide to the tool as shown in the figure after installing the wheel point. Semi-tighten the wing bolt to the extent that the guide can be turned.

4. Place the guide on the gauge as shown in

I Guide

 

I

the figure and turn the guide until the

Wheel point

wheel point fits into the appropriate

wheel size slot in the gauge. (The wheel

 

 

 

point will raise up out of the bottom

 

 

 

of the slot by turning the guide counter-

 

 

 

clockwise). After adjusting the wheel

 

 

 

point to fit into the slot, tighten the

 

 

 

wing bolt securely.

 

 

 

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Makita 903DW instruction manual Chain blade sharpening attachment