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S Fileontheforwardstrokeonly.Use2
or 3 strokes per cutting edge.
S Keep all cutters the same length
when filing.
S File enough to remove any damage
to cutting edges (side plate and top
plate of cutter).
A
ll Cutters
Same Length
Remo
v
e Damage
Top Plate
Side Plate
S File chain to meet the specifications
as shown.
30˚
80˚
60˚
Rounded
Corner
0.025 inch
(0.65mm)
Right
Hook Angle
Wrong
Squared O
f
f
Corner
Too Much Hook
A
ngle
WARNING: Maintain the proper
hook angle according to the manufacturer’s
specifications for the chain you are using. Im-
proper hook angle will increase the chance of
kickback which can result in serious injury.
4. Check and lower depth gauges.
Depth Gauge Tool
Depth Gauge
File
S Place gauge t ool oncutter.
S If the depth gauge is higher than the
depthgaugetool,fileitleveltothetopof
the depth gauge tool.
S Maintain rounded front corner of
depth gauge with aflat file.
NOTE: The very top of the depth
gauge should be flat with the front
half rounded off with a f lat file.
If you require further assistance or are unsure
about performing t his procedure, contact your
authorized service dealer or call our customer
assistance help line at 1--800--554--6723.
CARBURETOR ADJUST MEN T
WARNING: Thechain willbemov-
ingduringmostofthisprocedure.Wearyour
protective equipm entand observe all safety
precautions.Thechainmustnotmoveatidle
speed.
The carburetor hasbeen carefully set at the
factory. Adjustments may be necessary if
you notice any of the following conditions:
S Chain moves at idle.SeeIDLE SPEED--T
adjusting procedure.
S Saw willnotidle.See IDLESPEED--T ad-
justing procedure.
Idle Speed--T
Allow engine to idle. If the chain moves, idle is
toofast. Ift heenginestalls,idleistooslow . Ad-
just speed until engine runs without chain
movement (idle too fast) or stalling (idle too
slow). The idle speed screw is located in the
area above the primer bulb and is labeled T.
S Turn idle screw (T) clockwise to increase
engine speed.
S Turn idle screw (T) counterclockwise to
decrease engine speed.
If you require further assistance or are unsure
about performing t his procedure, contact your
authorized service dealer or call our customer
assistance help line at 1--800--554--6723.
COOLING SYSTEM
To keep the working temperature as low as
possible the machine is equipped with a
cooling system.
The cooling system consists of:
S Air intake on thestarter
S Air guide plat e
S Fins onthe flywheel
S Cooling fins on the cylinder
S Cylinder cover (directs cold air over the
cylinder)
Clean the cooling system with a brush after
each use, more often in demanding condi-
tions. A dirty or blocked cooling system re-
sults in the machine overheating which
causes damage to the piston andcylinder.