Stihl 410 - Spark Arresting Screen Maintenance; Screen Maintenance; Replacing the Starter Rope and Rewind Spring

TS 410, TS 420
English
29
N Make standard setting!
N Turn the low speed adjusting
screw (L) approx. 1/4
turn counterclockwise until the
engine runs and accelerates
smoothly.
Idle speed cannot be increased
sufficiently via the idle speed
adjusting screw (LA), engine stops
when changing from part-load to idle
speed
N Make standard setting!
N Turn the low speed adjusting
screw (L) approx. 1/4
turn clockwise until the engine runs
and accelerates smoothly.
Whenever the low speed screw (L) has
been adjusted, at least one adjustment
must also be made on the idle speed
adjusting screw (LA).
Adjustment for use in mountain
country or at sea level
A marginal adjustment of the setting of
the high speed adjusting screw (H) may
be necessary if the engine does not run
satisfactorily in mountain country or at
sea level.
N Check the standard setting
N Let the engine warm up
N Set idle speed correctly.
In the mountains
N Turn the high speed screw (H)
clockwise (leaner) – max. up to the
stop
At sea level
N Turn the high speed adjusting
screw (H) counterclockwise (richer)
– max. up to the stop
In some countries, the mufflers are fitted
with a spark arresting screen.
N If engine performance deteriorates,
check the spark arresting screen in
the muffler
N Remove screw (1)
N Pull the spark arresting screen (2)
upwards out of the muffler
N Clean the soiled spark arresting
screen
N If the screen is damaged or heavily
carbonized, fit a new one
N Refit the spark arresting screen in
reverse order of steps
If you make the setting too lean it
will increase the risk of engine
damage through lack of
lubrication and overheating!
Spark Arresting Screen in
Muffler
Wait until engine has cooled
completely before performing the
following operations.
2
370BA031 KN
1