Sharpening The Saw Chain - Greenlee Fairmont HCS5130CB Service Manual

Sharpening the Saw Chain
The saw chain must be sharpened to the manufacturer's specifications. If the saw chain is not properly sharpened,
the risk of kickback increases.
If using a filing guide or hand-held grinder, refer to the manufacturer's instructions provided with the unit.
See Illustration ‚
Model Chain Part
Number Number
HPS513CB 50433709
HCS513XCB 50433709
HPS516XCB 50482661
HCS520XCB 90551893
HCS816XCB 50419600
HCS820XCB 90551915
HCS824CB 90551923
Saw Chain Pitch
See Figure A. Pitch refers to the saw chain measure-
ment. A chain's pitch is the distance between any three
consecutive rivets divided by two. Example: .65 divided
by two equals .325 pitch.
Figure A Pitch
Figure C
Side Plate Angle
"C"
Greenlee / A Textron Company
Figure A Figure B
Pitch Gauge
.325" .058"
.325" .058"
.325" .058"
.325" .058"
3/8" .050"
3/8" .050"
3/8" .050"
This distance divided
by two equals Pitch "A".
Figure D
Top Plate Cutting Angle
Chain Saws with Chain Brake
Figure C Figure D
Side Plate Top Plate
Angle Cutting
Angle
60° 60°
60° 60°
60° 60°
60° 60°
85° 60°
85° 60°
85° 60°
Saw Chain Gauge
See Figure B. Gauge refers to the thickness of that
portion of the drive link which fits into the guide bar
groove. The guide bar and saw chain gauge must
match. Industry standards are .050, .058 and .063.
Figure E
Top Plate Filing Angle
"D"
"E"
11
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
Figure E — Figure F
Top Plate File
Filing Guide
Angle Angle Setting
25° 90°
25° 90°
25° 90°
25° 90°
30° 90°
30° 90°
30° 90°
Figure B Gauge
Thickness of bottom section
of drive link equals Gauge "B".
Depth Gauge Setting
—
Depth Round
Gauge File Size
.025" 5/32"
.025" 5/32"
.025" 5/32"
.025" 5/32"
.030" 3/16"
.030" 3/16"
.030" 3/16"
Figure F
"F"