Testing The Chain Brake; Checking The Controls; Checking Chain Lubrication - Stihl MSA 120 C Notice D'emploi

11 Testing the Chain Saw and Battery
► If a depth gauge (1) projects from the filing gauge (2):
Lower the depth gauge (1), @ 17.2.
2
4
► Make sure the service marks (1 to 4) on the cutters are
visible.
► If one of the service marks is not visible on a cutter: Do not
use your chain saw and contact your STIHL servicing
dealer.
► Use a STIHL filing gauge to check the filing angles on the
cutters, @ 20.4. The STIHL filing gauge must match the
chain pitch.
► If the filing angles are not correct: Sharpen the chain,
@ 20.4.
► If you have any queries: Contact your STIHL servicing
dealer.

11.4 Testing the Chain Brake

► Engage the chain brake and remove the battery.
WARNING
The chain's cutters are very sharp. There is a risk of cut
injuries.
► Wear work gloves made of durable material.
► Try to pull the chain along the guide bar by hand.
If the chain cannot be pulled along the bar by hand, the
chain brake is functioning.
0458-716-9621-B
1
3
► If the chain can be pulled along the bar by hand: Do not
use your chain saw and contact your STIHL servicing
dealer.
The chain brake is defective.

11.5 Checking the Controls

Lockout button and trigger lever
► Engage the chain brake and remove the battery.
► Attempt to pull the trigger lever without depressing the
lockout button.
► 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: Do not use your chain saw and 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 chain rotates.
► Release the trigger.
The chain stops rotating.
► If the chain continues to rotate: 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.
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