Stihl HTA 66 Instruction Manual page 39

7 Assembling the Pole Pruner
7.2.2 Removing the Guide Bar and Saw
Chain
► Switch off the pole pruner and remove the bat‐
tery.
► Rotate the nut counterclockwise until the chain
sprocket cover can be removed.
► Remove the chain sprocket cover.
► Turn the tensioning screw counterclockwise as
far as it will go.
The saw chain is now slack.
► Remove the guide bar and saw chain.
7.3 Tensioning the Saw Chain
The saw chain expands or contracts during cut‐
ting work. The saw chain tension changes as a
result. Check the saw chain tension regularly
during operation and readjust if necessary.
► Switch off the pole pruner and remove the bat‐
tery.
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► Loosen the nut (1).
► Hold the guide bar nose up and turn the ten‐
sioning screw (2) clockwise until the following
points apply:
– The chain sag 'a' in the center of the guide
bar is 1 - 2 mm.
– The saw chain can still be pulled easily
along the guide bar with two fingers.
► Hold the guide bar nose up and tighten down
the nut (1) firmly.
► If the chain sag 'a' in the center of the guide
bar is not 1 - 2 mm: Readjust the saw chain
tension.
7.4 Filling Up with Saw Chain Oil
The saw chain oil lubricates and cools the rotat‐
ing chain.
► Switch off the pole pruner and remove the bat‐
tery.
► Place the pole pruner on a level surface so
that the oil tank cap faces up.
► Use a damp cloth to clean the oil tank cap and
the area around it.
0458-191-9821-B
► Swing the grip on the oil tank cap to the verti‐
cal position.
► Turn the oil tank cap counterclockwise as far
as it will go.
► Remove the oil tank cap.
► Fill up with saw chain oil, taking care not to
spill any oil and not to overfill the tank.
► If the grip on the oil tank cap has dropped into
the closed position: Raise the grip until it is
vertical.
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► Place the oil tank cap in the filler opening so
that mark (1) lines up with mark (2).
► Press the oil tank cap down and rotate it clock‐
wise as far as it will go.
The oil tank cap snaps into place. The mark
(1) points to mark (3).
► Check to see if the oil tank cap can be pulled
upwards and off.
► If the oil tank cap cannot be pulled upwards
and off: Fold down the grip on the oil tank cap.
The oil tank is closed.
If the oil tank cap can be pulled upwards and off,
perform the following steps:
► Place the oil tank cap in the filler opening – in
any position.
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English
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