10 Testing the Chain Saw and Battery
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► Use a STIHL filing gauge (2) to check the height of the
depth gauges (1). The STIHL filing gauge must match the
chain pitch.
► If a depth gauge (1) projects from the filing gauge (2):
Lower the depth gauge (1), @ 16.2.
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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, @ 19.4. The STIHL filing gauge must match the
chain pitch.
► If the filing angles are not correct: Sharpen the chain,
@ 19.4.
► If you have any queries: Contact your STIHL servicing
dealer.
0458-706-9921-A
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1
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10.4 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.
► 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.
10.5 Checking the Controls
Trigger lockout lever and trigger
► Engage the chain brake and remove the battery.
► Attempt to pull the trigger without depressing the lockout
lever.
► If the trigger can be pulled: Contact your STIHL servicing
dealer for assistance.
The trigger lockout is faulty.
► Depress the trigger lockout lever 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 chainsaw and contact your
STIHL servicing dealer for assistance.
The trigger lockout is faulty.
Switching On
► Fit the battery.
► Disengage the chain brake.
► Depress the trigger lockout lever and hold it in that
position.
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