Repairing - Stihl MSA 300.0 Instruction Manual

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recommends the following maintenance inter‐
vals:
Chain brake
► Have the chain brake serviced by a STIHL
servicing dealer at the following intervals:
– Full-time usage: every 3 months
– Part-time usage: every 6 months
– Occasional usage: every 12 months
Weekly
► Check the chain sprocket.
► Check and deburr the guide bar.
► Check and sharpen the saw chain.
Monthly
► Have the oil tank cleaned by a STIHL servic‐
ing dealer.
18.2 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.
18.3 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.
58
► 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.

19 Repairing

19.1 Repairing the Chainsaw and
Battery
The chainsaw, guide bar, saw chain and battery
cannot be repaired by the user.
► If the saw, guide bar or saw chain is damaged:
Do not use your saw, guide bar or saw chain,
and contact your STIHL servicing dealer for
assistance.
► If the battery has a malfunction or is damaged:
Replace the battery.
19 Repairing
0458-009-9801-A