WARNING
■ Unconfined sparks may occur if the starter grip
is pulled after the spark plug boot has been
removed. Sparks may cause a fire or an
explosion in an easily combustible or explo‐
sive environment. This can result in serious or
fatal injuries and damage to property.
► Move the Master Control lever to posi‐
tion and hold it there before pulling the
starter grip.
► Move the Master Control lever to position
and hold it there.
► Pull the starter grip and guide it back several
times.
The combustion chamber is cleared.
► Insert and tighten down the spark plug.
3
0000-GXX-7589-A00000-GXX-7591-A0
► Press the spark plug boot (3) firmly home.
► Place the shroud (1) in position.
► Rotate the shroud lock (2) clockwise until you
hear a click.
The shroud lock (2) is secure.
18.5
Cleaning Spark Arresting
Screen
► Shut off the engine and engage the chain
brake.
► Wait for the muffler to cool down.
2
3
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► Take out the screw (1).
► Remove the cover (2).
► Remove the spark arresting screen (3).
► Clean the spark arresting screen.
► If the spark arresting screen is damaged:
Install a new spark arresting screen.
► Install a new spark arresting screen.
► Fit the cover (2) in position.
► Insert and tighten down the screw (1) firmly.
19 Specifications
19.1
STIHL MSA 194 T Chainsaw
–
Displacement: 31.8 cm³
–
Engine power to ISO 7293: 1.4 kW (1.9 bhp)
–
Idle speed to ISO 11681: 3,000 ± 50 rpm
–
Approved spark plug: NGK CMR6H from
STIHL
–
Electrode gap: 0.5 mm
–
Dry weight without guide bar and chain 3.3 kg
–
Max. fuel tank capacity: 270 cc (0.27 l)
–
Max. oil tank capacity: 220 cc (0.22 l)
19.2
Chain Sprockets and Chain
Speeds
The following chain sprockets may be used:
6-tooth for 3/8” P
–
Maximum chain speed according to
ISO 11681: 26.0 m/s
–
Chain speed at maximum power:
18.6 m/s
8-Tooth for 1/4" P
–
Maximum chain speed according to
ISO 11681:
23.6 m/s
–
Chain speed at maximum power:
16.9 m/s
19.3
Minimum Groove Depth of
Guide Bars
The minimum groove depth depends on the pitch
of the guide bar.
–
3/8" P: 5 mm
–
1/4" P: 4 mm
19.4
Sound Values and Vibration
Values
–
Sound pressure level L
pA
measured according
to ISO 22868: 100 dB(A). The K value for the
sound pressure level is 2 dB(A).
–
Sound power level L
wA
measured according to
ISO 22868: 112 dB(A). K-value (uncertainty)
for sound power level is 2 dB(A).
–
Vibration level a
hv
measured according to
ISO 22867:
–
Handlebar: 3.6 m/s². The K value for the
vibration level is 2 m/s².
–
Control handle: 3.6 m/s². The K value for
the vibration level is 2 m/s².
English
19 Specifications
24
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