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► Install a new guide bar if one of the following
points applies:
– The guide bar is damaged.
– The measured guide bar groove depth is
less than specified minimum depth,
– The guide bar groove is pinched or splayed.
► If you have any doubts, be sure to consult a
STIHL dealer.
11.3
Checking the Saw Chain
► Switch off the pole pruner and remove the bat‐
tery.
2
► Measure the height of the depth limiters (1)
with a STIHL filing gauge (2). The STIHL filing
gauge must match the pitch of the saw chain.
► If a depth gauge (1) projects from the filing
gauge (2): Lower the depth gauge (1) with a
file,
17.3.
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 saw chain and contact
your STIHL dealer for assistance.
► Use a STIHL filing gauge to check that the fil‐
ing angle is 30° on all cutters. The STIHL filing
gauge must match the pitch of the saw chain.
► If the filing angle of 30° has not been main‐
tained: Resharpen the saw chain.
► If you have any doubts, be sure to consult a
STIHL dealer.
11.4
Checking the controls
Trigger lockout and trigger
► Remove the battery.
► Try pressing the trigger without pressing the
trigger lockout.
50
20.4.
1
1
3
11 Checking Pole Pruner and Battery
► If the trigger can be pressed: Do not use the
pole pruner and contact a STIHL specialist
dealer.
The trigger lockout is faulty.
► Press and hold the trigger lockout.
► Squeeze and release the trigger.
► If the trigger or trigger lockout is stiff or does
not spring back to the initial position: Do not
use the pole pruner and contact a STIHL spe‐
cialist dealer.
The trigger or the trigger lockout is defective.
Switching on the Pole Pruner
► Insert battery.
► Press and hold the trigger lockout.
► Push the release slide with your thumb in the
direction of the saw chain.
► 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.
There is a malfunction in the pole pruner.
► Release the trigger.
The saw chain stops running after about 1
second.
► If the saw chain continues to run after about 1
second: Remove the battery and contact your
STIHL dealer for assistance.
The pole pruner has a malfunction.
11.5
Checking Chain Lubrication
► Fit the battery.
► Hold the guide bar over a light surface.
► Switch on the pole pruner.
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 pole pruner and con‐
tact your STIHL servicing dealer for assis‐
tance. Chain lubrication is defective.
11.6
Testing the Battery
► Press button on battery.
The LEDs glow or flash.
► If the LEDs do not glow or flash: Do not use
the battery and contact your STIHL servicing
dealer.
There is a malfunction in the battery.
0458-038-9802-A
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