Instruction Manual
Table Of Contents
- STIHL MS 400 C-M
- 1 Introduction
- 2 Guide to Using this Manual
- 3 Overview
- 4 Safety Precautions
- 5 Preparing the Saw for Operation
- 6 Assembling the Saw
- 7 Engaging and Disengaging the Chain Brake
- 8 Mixing Fuel and Refueling the Chainsaw
- 9 Starting and Stopping the Engine
- 10 Checking the Saw
- 11 Operating the Saw
- 12 After Finishing Work
- 13 Transporting
- 14 Storing
- 15 Cleaning
- 16 Maintenance
- 17 Repairing
- 18 Troubleshooting
- 19 Specifications
- 20 Bar and Chain Combinations
- 21 Spare Parts and Accessories
- 22 Disposal
- 23 EC Declaration of Conformity
0000-GXX-7211-A0
1 1
3
► Rotate the shroud fasteners (1) a quarter turn
counterclockwise.
► Remove the shroud (2).
► Clean the area around the air filter (3) with a
damp cloth or a soft brush.
► Rotate the air filter (3) a quarter turn counter‐
clockwise by hand.
► Remove the air filter (3).
► Rinse away coarse dirt from the outside of the
filter (3) under running water.
► If the filter (3) is damaged. Install a new filter
(3).
WARNING
■ Cleaning agent may cause irritation if it con‐
tacts the skin or eyes.
► Observe the information supplied with the
cleaning agent.
► Avoid contact with cleaning agents.
► In case of contact with the skin: Wash affec‐
ted areas with plenty of water and soap.
► In case of contact with the eyes: Rinse eyes
with plenty of water for at least 15 minutes
and seek medical advice.
►
Spray the outside and inside of the air filter
(3) with STIHL special cleaner or a cleaning
agent with a pH value higher than 12.
► Allow STIHL special cleaner or cleaning agent
to act for 10 minutes.
► Use a soft brush to clean the outside of the air
filter (3).
► Rinse the outside and inside of the air filter (3)
under running water.
► Allow filter (3) to dry in the air.
0000-GXX-7212-A0
3
► Push the air filter (3) into place by hand and
rotate it clockwise until it engages in position.
The “STIHL” logo is horizontal.
► Place the shroud (2) in position.
► Rotate the shroud fasteners (1) clockwise until
you hear a click.
The shroud fasteners (1) are locked.
15.4 Cleaning the Spark Plug
► Shut off the engine and engage the chain
brake.
► Allow chainsaw to cool down.
3
0000-GXX-7213-A0
1 1
► Rotate the shroud fasteners (1) a quarter turn
counterclockwise.
► Remove the shroud (2).
► Pull off the spark plug boot (3).
► If area around the spark plug is dirty: Clean it
with a damp cloth.
► Unscrew the spark plug.
► Clean the spark plug with a damp cloth.
► If the spark plug is corroded: Install a new
spark plug.
3
0000-GXX-7214-A0
► Insert and tighten down the spark plug.
► Press the spark plug boot (3) firmly home.
► Place the shroud (2) in position.
► Rotate the shroud fasteners (1) a quarter turn
clockwise.
The shroud fasteners are locked.
16 Maintenance
16.1 Maintenance Intervals
The maintenance intervals are dependent on the
environmental and operating conditions. STIHL
English 16 Maintenance
24 0458-788-0121-B. VA0.L20.










