Maintenance; Repairing - Stihl HTA 50.0 Instruction Manual

English
15.2 Cleaning the Guide Bar and
Saw Chain
► Switch off the pole pruner and remove the bat‐
tery.
► Remove the guide bar and saw chain.
1
► Clean the oil port (1), oil inlet hole (2) and bar
groove (3) with a soft brush or STIHL resin
solvent.
► Clean the saw chain with a soft brush or
STIHL resin solvent.
► Mount the guide bar and saw chain.
15.3 Cleaning the Battery
► Clean the battery with a damp cloth.

16 Maintenance

16.1 Deburring the Guide Bar
A burr can build up on the outer edge of the
guide bar.
► Remove burr with a flat file or a STIHL guide
bar dressing tool.
► If you have any queries: Contact your STIHL
servicing dealer.
16.2 Sharpening the Saw Chain
Correctly sharpening saw chains requires a lot of
practice.
STIHL files, STIHL filing aids, STIHL sharpeners
and the brochure "Sharpening STIHL Saw
Chains" help you achieve the right results. To
obtain the brochure visit http://www.stihl.com/
sharpening-brochure.
STIHL recommends you have saw chains
resharpened by a STIHL servicing dealer.
WARNING
■ The chain's cutters are very sharp. There is a
risk of cut injuries.
► Wear work gloves made of durable mate‐
rial.
42
3
2 3
► File each cutter with a round file so that the
following points are observed:
– Round file matches the chain pitch.
– File from the inside to the outside of the cut‐
ter.
– Hold the file at right angle to the guide bar.
– Maintain a filing angle of 30°.
► File down the depth gauges with a flat file so
that they are level with the STIHL filing gauge
and parallel to the service mark. The STIHL fil‐
ing gauge must match the chain pitch.
► If you have any queries: Contact your STIHL
servicing dealer for assistance.

17 Repairing

17.1 Repairing the Pole Pruner and
Battery
The pole pruner, guide bar, saw chain and bat‐
tery cannot be repaired by the user.
► If the pole pruner, guide bar or saw chain are
damaged: Do not use your pole pruner and
contact your STIHL servicing dealer for assis‐
tance.
► If the battery has a malfunction or is damaged:
Replace the battery.
16 Maintenance
0458-813-9621-B