Stihl MS 880 MAGNUM Product Instruction Manual - Page 35

Operating Instructions

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N Pull the hand guard toward the handlebar The chain brake is released - the chain saw is ready for use. Open the throttle only when the chain brake is off. Increased engine speeds with the chain brake on (saw chain is stationary) lead to damage to the clutch and chain brake. At very low outside temperatures N let the engine warm up briefly with the throttle slightly open Switch off engine N Move the Master Control lever to the stop position 0 N if necessary, configure for winter operation, see "Winter Operation" If the engine does not start The Master Control lever was not returned from the position choke shutter closed l to starting acceleration n in time, the engine may be flooded. 001BA186 KN N Move the Master Control lever to the stop position 0 N Remove the spark plug - see "Spark plug" N Dry spark plug N Crank the engine several times with the starter - to clear the combustion chamber N Replace the spark plug - see "Spark plug" N Set the Master Control lever to starting acceleration n - even if the engine is cold N Press the button on the decompression valve N Restart the engine English Operating Instructions 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 the Carburetor". Always disengage chain brake before accelerating the engine. Running the engine at high revs with the chain brake engaged (chain locked) will quickly damage the engine and chain drive (clutch, chain brake). During Operation Check chain tension frequently A new chain has to be retensioned more often than one that has been in use for some time. MS 880 33

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MS 880
English
33
N
Pull the hand guard toward the
handlebar
The chain brake is released – the chain
saw is ready for use.
At very low outside temperatures
N
let the engine warm up briefly with
the throttle slightly open
Switch off engine
N
Move the Master Control lever to the
stop position
0
N
if necessary, configure for winter
operation, see "Winter Operation"
If the engine does not start
The Master Control lever was not
returned from the position choke shutter
closed
l
to starting acceleration
n
in
time, the engine may be flooded.
N
Move the Master Control lever to the
stop position
0
N
Remove the spark plug – see
"Spark plug"
N
Dry spark plug
N
Crank the engine several times with
the starter – to clear the combustion
chamber
N
Replace the spark plug – see
"Spark plug"
N
Set the Master Control lever to
starting acceleration
n
– even if
the engine is cold
N
Press the button on the
decompression valve
N
Restart the engine
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.
During Operation
Check chain tension frequently
A new chain has to be retensioned more
often than one that has been in use for
some time.
Open the throttle only when the
chain brake is off. Increased
engine speeds with the chain
brake on (saw chain is stationary)
lead to damage to the clutch and
chain brake.
001BA186 KN
Operating Instructions
Do not make the mixture leaner to
achieve an apparent increase in
power – this could damage the
engine – see "Adjusting the
Carburetor".
Always disengage chain brake
before accelerating the engine.
Running the engine at high revs
with the chain brake engaged
(chain locked) will quickly damage
the engine and chain drive (clutch,
chain brake).