felling cut. The chain brake will operate only if it has been properly maintained and the hand guard has not been modified in any way.

Check operation of chain brake

Before starting work: Run engine at idle speed, engage the chain brake (push hand guard toward bar nose). Accelerate up to full throttle for no more than 3 seconds – the chain must not rotate. The hand guard must be free from dirt and move freely.

Chain brake maintenance

The chain brake is subject to normal wear. It is necessary to have it serviced and maintained regularly by trained personnel, such as your STIHL servicing dealer, at the following intervals:

Full-time usage:

every 3

 

months

Part-time usage:

every 6

 

months

Occasional usage:

every 12

 

months

Winter Operation

At temperatures below approx. +50 °F (+10 °C)

NRemoving the chain sprocket cover

0011BA006 KN

NSet shutter (1) to "winter operation" r

In the "winter operation" setting, heated air is drawn in from around the cylinder and mixed with cold air. This prevents air filter and carburetor icing.

At temperatures above approx. +50 °F (+10 °C)

NAlways return the shutter to the position for "summer operation" s

Risk of engine malfunction – overheating!

English

Starting / Stopping the Engine

Positions of the Master Control lever

STOP

0

001BA140 KN

Stop 0 – engine off – ignition is switched off

Run F– engine is running or can start

Warm start n – this position is for starting the warm engine – the master control lever returns to run when the throttle trigger is squeezed

Cold start l– this position is for starting the cold engine

MS 201, MS 201 C

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