TS 410, TS 420
English
37
Basic information
The ignition system of this cut-off
machine is equipped with an electronic
maximum speed limiter. The maximum
speed cannot be increased beyond a
specified limit.
The carburetor comes from the factory
with a standard setting.
The carburetor has been adjusted for
optimum performance and fuel
efficiency in all operating states.
Preparing the machine
N Switch off the engine
N Check the air filter – clean or replace
it if necessary
N Check the spark arresting screen in
the muffler (present only in some
countries) – clean or replace it if
necessary
Different standard settings
Different carburetors are installed at the
factory. A different standard setting is
required for each of these carburetors:
Standard setting A
– High speed adjusting screw (H)
=3/4
– Low speed adjusting screw (L) = 1
Standard setting B
– High speed adjusting screw (H)
=3/4
– Low speed adjusting screw (L) = 3/4
N Determine standard setting, to do
so, carefully turn the low speed
adjusting screw (L) clockwise as far
as possible – then turn it back
Is the adjustment range greater than
1 turn?
N continue with "Standard setting A"
Is the adjustment range smaller than
1 turn?
N continue with "Standard setting B"
Standard setting A
N Turn the high speed adjusting
screw (H) counterclockwise as far
as possible (max. 3/4 turn)
N Carefully turn the low speed
adjusting screw (L) clockwise as far
as possible, then turn it 1 turn
counterclockwise
Standard setting B
N Turn the high speed adjusting
screw (H) counterclockwise as far
as possible (max. 3/4 turn)
N Turn the low speed adjusting
screw (L) clockwise as far as
possible – then turn it 3/4 turn
counterclockwise
Adjusting the Carburetor
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