39MS 170, MS 180, MS 180 C
English
If the engine doesn’t start:
If you did not move the Master Control
lever to warm start position n quickly
enough after the engine began to fire,
the combustion chamber is flooded.
: Press down the interlock lever,
squeeze the throttle trigger and
move the Master Control lever to
cold start position l.
: Turn the twist lock above the rear
handle 90° counterclockwise and lift
off the shroud vertically.
: Pull off the spark plug boot.
: Unscrew and dry off the spark plug.
: Set the Master Control lever to stop
position $.
: Crank the engine several times with
the starter to clear the combustion
chamber.
: Refit the spark plug. Connect the
spark plug boot and reassemble all
other parts.
: Set Master Control lever to n
– even if engine is cold.
: Now start the engine.
If fuel tank has been run until dry and
then refueled:
: Pull starter rope several times until
fuel system is primed.
During break-in period
A factory new machine should not be run
at high revs (full throttle off load) for the
first three tank fillings. This avoids
unnecessary high loads during the
break-in period. As all moving parts
have to bed in during the break-in
period, the frictional resistances in the
engine are greater during this period.
The engine develops its maximum
power after about 5 to 15 tank fillings.
Do not make the mixture leaner to
achieve an apparent increase in
power – this could damage the
engine – see “Adjusting
Carburetor”.
Always disengage the chain brake
before opening the throttle. Running
the engine at higher revs with the
chain brake engaged (saw chain at
a standstill) will quickly damage the
engine and chain drive (clutch,
chain brake).
143BA022 KN
143BA043 LÄ
Operating Instructions
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