Stihl MS 400 C-M User Manual

chain brake and activates the chain brake by
inertia in certain kickback situations.
2 Muffler
Reduces chainsaw noise emissions.
3 Spiked Bumper
Toothed stop for holding saw steady against
wood while cutting.
4 Saw Chain
Cuts the wood.
5 Guide Bar
Supports and guides the saw chain.
6 Chain catcher
Reduces risk of operator contact with the
chain if it comes off the bar or breaks.
7 Tensioning Screw
Adjusts chain tension.
8 Chain Sprocket
Toothed wheel that drives the chain.
9 Chain Sprocket Cover
Covers the chain sprocket and secures the
guide bar to the chainsaw.
10 Nuts
Secure chain sprocket cover to the chainsaw.
11 Shroud
Covers the engine.
12 Shroud Lock
Secures shroud to chainsaw
13 Handlebar
For holding, controlling and carrying the
chainsaw.
14 Decompression Valve
Eases engine starts.
15 Spark Plug
Ignites fuel-air mixture in the engine.
16 Shutter
Serves to select summer or winter operating
mode.
17 Spark Plug Boot
Connects ignition lead to spark plug
18 Air filter
Filters the air entering the engine.
19 Throttle Trigger Lockout
Unlocks the throttle trigger.
20 Control Handle
For operating, holding and controlling the
chainsaw.
21 Rear Hand Guard
Protects operator’s right hand from contact
with the chain if it comes off the bar or
breaks.
22 Throttle Trigger
Controls engine speed.
23 Master Control Lever
For starting, running and stopping the engine.
24 Fuel Tank Cap
Closes the fuel tank.
25 Starter Grip
Serves to crank the engine.
26 Oil Pump Adjusting Screw
Serves to adjust chain oil feed rate.
27 Oil Tank Cap
Closes the oil tank.
28 Chain Scabbard
Helps protect user from contact with saw
chain.
# Serial Number
3.2 Symbols
Meanings of symbols that may be on the chain‐
saw:
This symbol marks the fuel tank.
This symbol marks the chain oil tank.
The chain brake is engaged or disen‐
gaged in this direction.
This symbol shows the direction of
rotation of the chain.
This symbol marks the oil pump adjust‐
ing screw and the chain oil feed rate.
Rotate in this direction to increase chain
tension.
Shutter is in winter mode in this position.
Shutter is in summer mode in this position.
This symbol marks the decompression
valve.
Master Control lever is moved in this direc‐
tion to stop the engine.
Master Control lever is moved to this posi‐
tion to stop the engine.
Engine is operated with the Master Control
lever in this position.
3 Overview English
0458-788-0121-B 3

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