Checking The Controls; Checking Chain Lubrication; Operating The Saw; Cutting - Stihl MSA 120 C Instruction Manual

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11.5 Checking the Controls

Lockout button and trigger lever
► Engage the chain brake and remove the battery.
► Try to pull the trigger.
► If the trigger can be pulled: Contact your STIHL servicing
dealer.
The lockout button is faulty.
► Depress the lockout button and hold it in that position.
► Pull the trigger and then let it go.
► If the trigger is stiff or does not spring back to its idle
position: Contact your STIHL servicing dealer.
The trigger has a malfunction.
Switching On
► Fit the battery.
► Disengage the chain brake.
► Depress the lockout button and hold it in that position.
► Pull the trigger and hold it there.
The saw chain runs.
► Release the trigger.
The saw chain stops running.
► If the saw chain continues to run: Engage the chain brake,
remove the battery and contact your STIHL servicing
dealer.
Your saw has a malfunction.

11.6 Checking Chain Lubrication

► Fit the battery.
► Disengage the chain brake.
► Hold the guide bar over a light surface.
► Switch on the saw.
Chain oil is thrown off the chain and is visible on the light
surface. Chain lubrication is operating properly.
If no chain oil can be seen:
► Fill up with chain oil.
► Check chain lubrication again.
70
► If chain oil is still not visible on the light surface: Contact
your STIHL servicing dealer. Chain lubrication is
defective.

12 Operating the Saw

12.1 Cutting

► Hold and control your saw with your left hand on the
handlebar and your right hand on the control handle. Wrap
thumb of left hand around the handlebar and thumb of
right handle around the control handle.
WARNING
If kickback occurs, the saw can be thrown up in the direction
of the operator. This may result in serious or fatal injuries.
► Always cut with the chain running a full speed.
► Do not cut with the upper quadrant of the bar nose.
► Begin the cut with the chain running at full speed so that
the guide bar does not twist.
12 Operating the Saw
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