39MS 360
english
.
If the engine doesn’t start:
If you did not move the Master Control
lever to "Warm Start" n quickly enough
after the engine began to fire, the
combustion chamber has flooded.
: Set Master Control lever (1) to l.
: Turn the twist lock (2) above the rear
handle 90° counterclockwise.
: Lift off the carburetor box cover (3)
vertically.
: Clean away loose dirt from around
the filter.
: Pull off the spark plug boot.
: Take out the screw and remove the
shroud.
: Unscrew and dry off the spark plug.
: Set the Master Control lever to d
: Crank the engine several times with
the starter to clear the combustion
chamber.
: Refit the spark plug. Connect the
spark plug boot (press it down
firmly).
: Set Master Control lever to n –
even if engine is cold.
: Press in button to open the
decompression valve.
: Now start the engine.
Fuel tank run dry and then
refueled:
: Press in button to open the
decompression valve.
: Pull the starter several times to
prime the fuel system.
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).
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138BA001K
Operating Instructions
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