Operators Manual

► Install a new guide bar if one of the following
points applies:
–
Guide bar is damaged.
–
Measured bar depth is less than specified
minimum depth, 21.3.
–
Bar groove is pinched or splayed.
► If you have any queries: Contact your STIHL
servicing dealer.
12.3 Checking the Saw Chain
► Switch off the chainsaw, engage the chain
brake and remove the battery.
1
0000-GXX-1218-A0
2
► Use a STIHL filing gauge (2) to check the
height of the depth gauges (1). The STIHL fil‐
ing gauge must match the chain pitch.
► If a depth gauge (1) projects from the filing
gauge (2): Lower the depth gauge (1), 18.3.
0000-GXX-1372-A0
1
2
3
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 chainsaw and contact
your STIHL servicing dealer.
► Use a STIHL filing gauge to check that a filing
angle of 30° has been maintained on all cut‐
ters. The STIHL filing gauge must match the
chain pitch.
► If a filing angle of 30° has not been main‐
tained: Resharpen the saw chain.
► If you have any queries: Contact your STIHL
servicing dealer for assistance.
12.4 Testing the Chain Brake
► Switch on the saw.
► Engage the chain brake.
The chain brake is operating properly If the
chain stops immediately.
► If the chain does not stop immediately: Do not
use your chainsaw and contact your STIHL
servicing dealer for assistance.
The chain brake is defective.
12.5 Checking the controls
Trigger lockout and trigger
► Engage chain brake and remove battery.
► Try pressing the trigger without pressing the
trigger lockout.
► If the trigger can be pulled: Do not use your
chainsaw and contact your STIHL servicing
dealer.
The trigger lockout is faulty.
► Press and hold the trigger lockout.
► Press and release the trigger.
► If the trigger switch or the trigger switch lock‐
out is stiff or does not spring back to its initial
position: Do not use the chainsaw. Consult a
STIHL servicing dealer.
The trigger or the trigger lockout is defective.
Switching on the chainsaw
► Insert battery.
► Disengage the chain brake.
► Press and hold the trigger lockout.
► Press the unlock button.
► Press and hold the trigger.
The saw chain runs.
► If 3 LEDs on the battery flash red: Remove the
battery and contact your STIHL dealer for
assistance.
Chainsaw fault.
► Release the trigger.
The saw chain stops running.
► If the chain continues to rotate: Engage the
chain brake, remove the battery and contact
your STIHL servicing dealer.
Your chainsaw is defective.
12.6 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 oper‐
ating properly.
► If no chain oil can be seen:
► Fill up with chain oil.
► Check chain lubrication again.
► If chain oil is still not visible on the light sur‐
face: Do not use your chain saw and con‐
tact your STIHL servicing dealer. Chain
lubrication is defective.
12 Testing the Chain Saw and Battery English
0458-007-9801-A 45