10 Testing the Chain Saw and Battery
► Remove the bar and chain.
a
► Use a STIHL gauge to check the wear marks on the
sprocket.
► If wear marks are deeper than a = 0.5 mm: Do not use your
chain saw and contact your STIHL servicing dealer.
The chain sprocket must be replaced.
10.2 Checking the Guide Bar
► Switch off the chain saw, engage the chain brake and
remove the battery.
► Remove the chain and guide bar.
► Measure depth of bar groove with scale on STIHL filing
gauge.
► Install a new guide bar if one of the following points
applies:
0458-701-9921-E
– Guide bar is damaged.
– Measured bar depth is less than specified minimum
depth, @ 19.3.
– Bar groove is pinched or splayed.
► If you have any queries: Contact your STIHL servicing
dealer.
10.3 Checking the Saw Chain
► Switch off the chainsaw, engage the chain brake and
remove the battery.
2
► Use a STIHL filing gauge (2) to check the height of the
depth gauges (1). The STIHL filing gauge must match the
chain pitch.
► If a depth gauge (1) projects from the filing gauge (2):
Lower the depth gauge (1), @ 16.3.
2
4
► Make sure the service marks (1 to 4) on the cutters are
visible.
English
1
1
3
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