Checking The Controls; Checking Chain Lubrication; Testing The Battery - Stihl HTA 50.0 Manual De Instrucciones

10 Checking Pole Pruner and Battery
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► 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, 16.2.
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 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.
10.4

Checking the controls

Release slide, Ergo lever and trigger
► Remove the battery.
► Try squeezing the trigger switch without acti‐
vating the release slide.
► If the trigger can be pulled: Do not use your
pole pruner and contact your STIHL dealer for
assistance.
The release slide is faulty.
► Push the release slide with your thumb in the
direction of the saw chain and hold it there.
► Press and hold Ergo lever.
► Press the trigger.
The release slide can be released.
► Release the trigger and Ergo lever.
► If the release slide, trigger or the Ergo lever is
stiff or does not spring back to the idle posi‐
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tion: Do not use the pole pruner and contact
your STIHL dealer for assistance.
The release slide, trigger or the Ergo lever is
defective.
Switching on the Pole Pruner
► Insert battery.
► Push the release slide towards the saw chain
and hold in place.
► Press and hold the trigger.
The saw chain runs.
► If 3 LEDs flash red: Remove the battery and
consult a STIHL dealer.
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.
10.5

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.
10.6

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.
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