Stihl MS 400 C-M User Manual

► If the chain can be pulled along the bar by
hand: Do not use your chainsaw and contact
your STIHL servicing dealer for assistance.
The chain brake is defective.
10.5 Checking the Controls
Throttle trigger lockout and throttle trigger
► Shut off the engine and engage the chain
brake.
► Attempt to pull the trigger without depressing
the lockout lever.
► If the trigger can be pulled: Do not use your
chainsaw and contact your STIHL servicing
dealer for assistance.
There is a malfunction in the throttle trigger
lockout.
► Press down the throttle trigger lockout and
hold it there.
► Pull the throttle trigger and release it again.
► If the throttle trigger is stiff or does not spring
back to its idle position: Do not use your chain‐
saw and contact your STIHL servicing dealer
for assistance.
The throttle trigger is defective.
Stopping the Engine
► Start the engine.
►
Move the Master Control lever to position
.
The engine stops and the Master Control lever
springs back to position
.
► If the engine does not stop:
► Move the Master Control lever to posi‐
tion .
The engine stops.
► Do not use your chainsaw and contact your
STIHL servicing dealer for assistance.
Your saw has a malfunction.
10.6 Checking Chain Lubrication
► Start the engine and disengage the chain
brake.
► Hold the guide bar over a light surface.
► Open the throttle.
Chain oil is thrown off the chain and is visible
on the light surface. Chain lubrication is oper‐
ating properly.
► If no chain oil can be seen:
► Shut off the engine.
► Fill up with chain oil.
► Check chain lubrication again.
► If chain oil is still not visible on the light sur‐
face: Do not use your chainsaw and contact
your STIHL servicing dealer for assistance.
Chain lubrication is defective.
11 Operating the Saw
11.1 Winter Operation
The carburetor may ice up if the engine is oper‐
ated at temperatures below +10°C. The shutter
must be set to the winter mode so that the carbu‐
retor is additionally heated by warm air from
around the engine.
NOTICE
■ The engine may overheat if is operated in the
winter mode at temperatures above +10°C.
► Change setting to summer mode.
► Shut off the engine and engage the chain
brake.
0000-GXX-7205-A0
3
1 1
► Rotate the shroud fasteners (1) a quarter turn
counterclockwise.
► Remove the shroud (2).
► Pull out the shutter (3).
0000-GXX-7206-A0
3
3
4
► Hold the shutter (3) so that the lug (4) points to
the winter symbol.
► Push the shutter (3) into the guide as far as
stop.
You will feel it engage.
► Place the shroud (2) in position.
► Rotate the shroud fasteners (1) clockwise until
you hear a click.
The shroud fasteners (1) are locked.
11.2 Summer Operation
The shutter must be set to summer mode when
working at temperatures above +10°C.
► Shut off the engine and engage the chain
brake.
11 Operating the Saw English
0458-788-0121-B 17

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