Operation At High Altitude; Spark Arresting Screen In Muffler - Stihl MS 270 Manual De Instrucciones

Only machines with high speed
screw (H)

Operation at High Altitude

A slight correction of the setting may be
necessary if engine power is not
satisfactory:
: Check the standard setting.
: Warm up the engine.
: Turn high speed screw (H) slightly
clockwise (leaner) – no further than
stop.
If the setting is too lean there is
a risk of engine damage due to
insufficient lubrication and
overheating.
MS 270, MS 270 C, MS 280, MS 280 C
Machines with Intelligent Engine
Management
The carburetor adjusts automatically to
any change in operating conditions (e.g.
cutting at high altitude).
The automatic adjustment process can
be speeded up as follows:
: Run the engine for about 10
seconds at full throttle – with the
chain and bar mounted.
: Perform five uniform cross cuts at
full throttle.
English / USA
Spark Arresting Screen*
in Muffler
: If the engine is low on power, check
the spark arresting screen in the
muffler.
: Allow muffler to cool down.
Remove the screw (1).
Pull out spark arresting screen (2).
: Clean spark arresting screen if
necessary – if screen is damaged or
coked up, fit a new one.
: Refit the spark arresting screen.
: Insert screw and tighten down.
* see "Guide to Using this Manual"
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