Operation Manual

FS 310
English
33
Filters have an average life of more than
a year. Do not remove the filter cover or
replace the air filter as long as there is no
noticeable loss of power.
If there is a noticeable loss of engine
power
N Turn the choke knob to g.
N Take out the screw (1).
N Remove the filter cover (2).
N Clean away loose dirt from around
the filter.
N Remove the filter element (3).
N Replace dirty or damaged filters.
N Replace any damaged parts.
N Fit the new air filter in the filter
housing (4).
N Fit the filter cover.
N Insert the screw and tighten it down
firmly.
Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components (e.g.
carburation, ignition, timing and valve or
port timing) without the addition of any
major hardware.
The carburetor of the machine has been
adjusted for optimum performance and
fuel efficiency in all operating states at
the factory.
Setting the idle speed
Engine stops when idling
N Let the engine warm up for approx.
3min
N Slowly turn idle speed screw (LA)
clockwise until the engine runs
smoothly – the cutting attachment
must not rotate
Cutting attachment turns when idling
N Turn the idle speed screw (LA)
slowly counterclockwise until the
cutting attachment stops moving –
then turn another 1/2 to 3/4 turn in
the same direction
WARNING
If the cutting attachment continues to
keep rotating in idle even after
adjustment, have the machine checked
by a servicing dealer.
Replacing the Air Filter
3
1
273BA005 KN
2
4
Engine Management Adjusting the Carburetor
266BA027 KN
LA