Battery And Charger; Servicing And Repairing The Chain Sprocket; Deburring And Repairing The Guide Bar; Sharpening And Repairing The Saw Chain - Stihl MSA 120 C Instruction Manual

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17 Maintaining and Repairing the Chain
Saw, Battery and Charger

17.1 Servicing and repairing the chain sprocket

The chain sprocket cannot be serviced or repaired by the
user.
► If the chain sprocket is defective or damaged: Contact
your STIHL servicing dealer.

17.2 Deburring and repairing 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.
The guide bar cannot be repaired by the user.
► If the guide bar is damaged: Contact your STIHL servicing
dealer.

17.3 Sharpening and repairing 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.
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17 Maintaining and Repairing the Chain Saw, Battery and Charger
► 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 cutter.
– Hold the file at right angle to the guide bar.
– Maintain the sharpening angle, @ 19.4.
► 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 filing gauge must match the chain pitch.
► If you have any queries: Contact your STIHL servicing
dealer.
The saw chain cannot be repaired by the user.
► If the saw chain is damaged: Contact your STIHL servicing
dealer.
0458-716-9621-B