Stihl MS 400 C-M User Manual

4.9 Reactive Forces
4.9.1 Kickback
0000-GXX-2732-A0
Kickback can be caused for the following rea‐
sons:
–
The rotating saw chain in the upper quadrant
of the bar nose makes contact with a hard
object and is suddenly braked.
–
The rotating saw chain is pinched at the bar
nose.
The chain brake cannot prevent kickback.
WARNING
0000-GXX-4119-A0
■
If kickback occurs, the saw can be thrown up
in the direction of the operator. The operator
can lose control of the saw and be seriously or
fatally injured.
►
Hold the saw firmly with both hands.
► Always keep your body out of the plane of
the cutting attachment.
► Use the working techniques described in
this instruction manual.
► Do not cut with the upper quadrant of the
bar nose.
► Always cut with a properly sharpened and
tensioned saw chain.
► Use a reduced kickback saw chain.
► Use a guide bar with a narrow radius nose.
► Always cut with the chain running at full
speed.
4.9.2 Pull-in
0000-GXX-1348-A0
The saw is pulled away from the operator when
the bottom of the bar is used for cutting.
WARNING
■ If the rotating chain makes contact with a hard
object and is suddenly pinched, the saw is
abruptly jerked away from the operator. The
operator can lose control of the saw and be
seriously or fatally injured.
►
Hold the saw firmly with both hands.
► Operate the saw as described in this
instruction manual.
► Keep the guide bar straight in the cut.
► Apply the spiked bumper properly.
► Always cut with the chain running at full
speed.
4.9.3 Pushback
0000-GXX-1349-A0
The saw is pushed back toward the operator
when the top of the bar is used for cutting.
WARNING
■
If the rotating chain makes contact with a hard
object and is suddenly pinched, the saw can
be abruptly pushed back toward the operator.
The operator can lose control of the saw and
be seriously or fatally injured.
►
Hold the saw firmly with both hands.
► Operate the saw as described in this
instruction manual.
► Keep the guide bar straight in the cut.
► Always cut with the chain running at full
speed.
4 Safety Precautions English
0458-788-0121-B 9

Stihl MS 400 C-M Specifications

General

Idle speed	- RPM
Motor type	2-stroke motor
Chain pitch	3/8 \
Blade length	500 mm
Product color	Black, Grey, Orange
Automatic oiling	Yes
Engine displacement	66.8 cm³
Power source	Gasoline
Sound power level	118 dB
Vibration emission	3.5 m/s²
Sound pressure level	107 dB

Weight and Dimensions

Weight	5800 g