Stihl MS 390 Instruction Manual page 38

: Pull the hand guard back toward
the front handle: =
The chain brake is now disengaged
– your saw is ready for operation.
Always disengage chain brake
before accelerating engine. High
revs with the chain brake engaged
(chain locked) will quickly damage
the powerhead and chain drive
(clutch, chain brake).
: Observe safety precautions.
: Always check operation of chain
lubrication before starting work.
MS 290, MS 310, MS 390
At very low outside temperatures:
: Allow engine to warm up at part
throttle.
: Change over to winter operation if
necessary – see "Winter
Operation".
To shut down the engine:
: Move Master Control lever to
If fuel tank has been run until dry
and then refueled:
: Press in decompression valve.
: Pull starter rope several times until
fuel line is primed.
: Now start the engine.
0
.
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 the Master Control lever to
0
.
: Turn the twist lock above the rear
handle counterclockwise
– slot vertical.
: lift off the carburetor box cover to the
rear.
: Pull the prefilter (1) upward and out.
English / USA
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