Switching Pole Pruning On And Off; Checking Pole Pruner And Battery - Stihl HTA 50.0 Instruction Manual

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► Depress the locking lever (1).
The battery (2) is released and can be
removed.
9 Switching Pole Pruning On
and Off
9.1 Switching on the Pole Pruner
► Hold the pole pruner with one hand by the
control handle – wrap your thumb around the
control handle.
► Hold the pole pruner firmly with your other
hand by the handle hose - wrap your thumb
around the handle hose.
► Push the release slide (1) in the direction of
the saw chain with your thumb and hold it
there.
► Press the trigger (2) with your index finger and
keep depressed.
The motor is accelerated and the saw chain
rotates. The release slide can be released (1).
If the ergo lever (3) is pressed, the trigger switch
(2) remains unlocked. This means the trigger can
be released and depressed again without having
to push the release slide in the direction of the
saw chain once more.
If the trigger (2) and the Ergo lever (3) are
released, the trigger (3) is locked. The release
slide (1) must be pushed towards the saw chain
again and held to unlock the trigger (2).
9.2 Switching the Pole Pruner Off
► Release the trigger and the Ergo lever.
► Wait until the saw chain comes to a complete
standstill 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.
38
10 Checking Pole Pruner and
10.1
► Switch off the pole pruner and remove the bat‐
tery.
► Remove the chain sprocket cover.
► Remove the guide bar and saw chain.
1
3
► Use a STIHL gauge to check the wear marks
on the chain sprocket.
► If the wear marks are deeper than a = 0.5 mm:
Do not use your pole pruner and contact your
2
STIHL dealer for assistance.
The chain sprocket must be replaced.
10.2
► Switch off the pole pruner and remove the bat‐
tery.
► Remove the saw chain and guide bar.
► Measure the depth of the guide bar with the
scale on a STIHL filing gauge.
► Install a new guide bar if one of the following
points applies:
– The guide bar is damaged.
– The measured guide bar groove depth is
– The guide bar groove is pinched or splayed.
► If you have any doubts, be sure to consult a
STIHL dealer.
10.3
► Switch off the pole pruner and remove the bat‐
tery.

9 Switching Pole Pruning On and Off

Battery
Checking the Chain Sprocket
a
Checking the Guide Bar
less than specified minimum depth,
Checking the Saw Chain
19.3.
0458-813-9621-B