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17
S File chain to meet the specifications
as shown.
30˚
80˚
60˚
Rounded
Corner
0.025 inch
(0.65 mm)
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 specifi-
cations for the chain you are using. Improper
hook angl e will increase the chance of kick-
back which can result in serious injury.
4. Check and lower depth gauges.
Depth Gauge Tool
Depth Gauge
File
S Place gauge tool on cutter.
S If the depth gauge is higher than the
depth gaugetool,file itlevelto the topof
the depth gauge tool.
S Maintain rounded front corner of
depth gauge with a flat file.
NOTE: The very top of the depth
gauge should be flat with the front
half rounded off with a flat file.
If you require further a ssistance or are unsure
about performing this procedure, contact your
authorized service dealer or call our customer
assistance help line at 1--800--554--6723.
CARBURETOR ADJUSTMENT
WARNING: Thechainwillbemoving
during most of this procedure. Wear your
protective equipment and observe all safety
precautions. Thechainmustnotmove atidle
speed.
The carburetor has been carefully set at the
factory. Adjustments may be necessary if
you notice any of the following conditions:
S Chain moves at idle. See IDLE SPEED--T
adjusting procedure.
S Saw will notidle. See IDLE SPEED--T ad-
justing procedure.
Idle Speed--T
Allow engine to idle. If the chain moves, idle is
too fast. If theengine stalls,idle is tooslow . Ad-
just speed until engine runs without chain
movement (idle t oo 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 a ssistance or are unsure
about performing this 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 the starter
S Air guide plate
S Fins on the 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 and cylinder.