Instruction Manual

► Rotate the shroud fasteners (1) a quarter turn
counterclockwise.
► Remove the shroud (2).
► Pull off the spark plug boot (3).
► Unscrew the spark plug.
► Dry the spark plug.
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 position
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-7214-A0
► Press the spark plug boot (3) firmly home.
► Place the shroud (2) in position.
► Rotate the shroud fasteners (1) clockwise until
you hear a click.
The shroud fasteners are locked.
19 Specifications
19.1 STIHL MS 400 C-M Chainsaw
–
Displacement: 66.8 cc
–
Engine power to ISO 7293: 4.0 kW (5.4 bhp)
–
Idle speed to ISO 11681: 2,800 ± 50 rpm
–
Approved spark plug: NGK CMR6H from
STIHL
–
Electrode gap: 0.5 mm
–
Dry weight without guide bar and chain 5.8 kg
–
Max. fuel tank capacity: 600 cc (0.6 l)
–
Max. oil tank capacity: 325 cc (0.325 l)
19.2 Chain Sprockets and Chain
Speeds
The following chain sprockets may be used:
7-tooth for 3/8"
–
Maximum chain speed according to
ISO 11681: 28.9 m/s
–
Chain speed at maximum power: 21.7 m/s
19.3 Minimum Groove Depth of
Guide Bars
The minimum groove depth depends on the pitch
of the guide bar.
–
3/8" 6 mm
19.4 Noise and Vibration Data
–
Sound pressure level L
p
measured according
to ISO 22868: 107 dB(A) K-value (uncertainty)
for noise pressure level is 2 dB(A).
–
Sound power level L
w
measured according to
ISO 22868: 118 dB(A) K-value (uncertainty)
for sound power level is 2 dB(A).
–
Vibration level a
hv
measured according to
ISO 22867:
–
Front handle (handlebar): 3.5 m/s² K-value
(uncertainty) for vibration level is 2 m/s².
–
Rear handle: 3.5 m/s² K-value (uncertainty)
for vibration level is 2 m/s².
For further details on compliance with Vibration
Directive 2002/44/EC visit www.stihl.com/vib.
19.5 REACH
REACH is an EC regulation and stands for the
Registration, Evaluation, Authorisation and
Restriction of Chemical substances.
For information on compliance with the REACH
regulation see www.stihl.com/reach.
19.6 Exhaust Emissions
The CO
2
value measured in the EU type approval
procedure is specified at www.stihl.com/co2.
The measured CO
2
value was determined on a
representative engine in accordance with a
standardized test procedure under laboratory
conditions and does not represent either an
explicit or implied guarantee of the performance
of a specific engine.
The applicable exhaust emission requirements
are fulfilled by the intended usage and mainte‐
nance described in this instruction manual. The
type approval expires if the engine is modified in
any way.
19 Specifications English
0458-788-0121-B. VA0.L20. 27