Carburetor Adjustments - McCulloch M4620 Manual De Instrucciones

4. Check and lower depth gauges.
Depth Gauge Tool
S Place gauge tool on cutter. If the
depth gauge is higher than the depth
gauge tool, file it level to the top of the
depth gauge tool.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 assistance or are unsure
about performing this procedure, contact your
authorized service dealer.

CARBURETOR ADJUSTMENTS

WARNING
: The chain will be moving
during most of this procedure. Wear your pro-
tective equipment and observe all safety pre-
cautions. The chain must not move at idle
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 not idle. See IDLE SPEED- -T ad-
justing procedure.
Idle Speed ---T
Allow engine to idle. If the chain moves, idle
is too fast. If the engine stalls, idle is too slow.
Adjust 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 speed screw (T) clockwise to in-
crease engine speed.
S Turn idle speed screw (T) counterclock-
wise to decrease engine speed.
STORAGE
File
cool, and secure the unit before storing or
Depth Gauge
transporting in a vehicle. Store unit and fuel
in an area where fuel vapors cannot reach
sparks or open flames from water heaters,
electric motors or switches, furnaces, etc.
Store unit with all guards in place. Position so
that any sharp object cannot accidentally
cause injury to passersby. Store the unit out
of reach of children.
S Before storing, drain all fuel from the unit.
S Clean the unit before storing. Pay particu-
S Do not store the unit or fuel in a closed area
S Store in a dry area out of the reach of chil-
S Ensure the machine is cleaned and that a
S The guide bar and chain must always be
gum deposits from forming in essential fuel
system parts such as the carburetor, fuel fil-
ter, fuel hose, or fuel tank during storage. Al-
cohol blended fuels (called gasohol or using
ethanol or methanol) can attract moisture
which leads to fuel mixture separation and
formation of acids during storage. Acidic gas
can damage the engine.
15
WARNING
: Stop engine and allow to
Start engine and allow to run until it stops.
lar attention to the air intake area, keeping
it free of debris. Use a mild detergent and
sponge to clean the plastic surfaces.
where fuel vapors can reach sparks or an
open flame from hot water heaters, electric
motors or switches, furnaces, etc.
dren.
complete service is carried out before
long- -term storage.
covered with a scabbard when the machine
is being transported or in storage in order to
prevent accident contact with the sharp
chain. Even a non- -moving chain can cause
serious cuts to yourself or persons you
bump into with an exposed chain.
CAUTION
: It is important to prevent