2
4. Loosen the chain by turning the chain tensioning
screw counterclockwise with the adjustment tool.
5.
-
loop the chain from the drive
hub.
CAUTION!
Saw Chain is
sharp.
6. Remove the chain from the
guide bar groove.
CAUTION!
Saw Chain is sharp. Inspect
guide bar for cracks or wear;
replace if damaged.
7. Wrap the new or sharpened
chain around the guide bar in
the direction indicated on the
saw
.
8. Ensure the chain is properly set in the slot around
the entire guide bar.
9.
the bolts.
Bolts
Hub
10. Replace the drive cover.
11. Use the adjustment tool to rotate the chain tension-
ing screw to increase tension (clockwise) until the
chain is snug around the guide bar.
•
•
Do not over-tension the chain - excess tension
will cause excessive wear and will reduce the
life of the chain and could damage the bar.
•
New chains could stretch and loosen during intitial
use. Remove battery pack and check chain ten-
12. Tighten the guide bar nuts securely.
SHARPENING THE SAW CHAIN
WARNING
Improper chain sharpening increas-
es the potential of kickback.
Failure to replace or repair damaged chain can
cause serious injury.
The saw chain is very sharp, always wear protective
gloves when performing maintenance to the chain.
Cutting Corner
Side Plate
Depth Gauge
Toe
Gullet
Heel
Rivet Hole
Top Plate
to the same length, as fast cutting can be obtained only
when all cutters are uniform.
•
Wear gloves for protection. Properly tension the chain
prior to sharpening. Refer to Chain Tension section
point of the bar.
Left Hand Cutters
Right Hand Cutters
•
•
•
•
•
cutters in one direction. Then move to the other side
-
wire brush.
PLATE FILING ANGLE
CORRECT
Top Plate Filing Angle
More
than 30°
Less
than 30°
30°
INCORRECT
Top Plate Filing Angle
•
CORRECT 30° - File holders are marked with guide
plate angle.
•
LESS THAN 30° - For Cross Cutting.
•
MORE THAN 30° - Feathered Edge Dulls Quickly.
Use a 3.96mm (5/32") 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.
The tension is correct when the chain snaps back
after being pulled 3mm (1/8") away from the guide
bar. No sag should be visible in the chain.
