► Remove the bar and chain.
a
0000-GXX-1216-A0
► 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.
0000-GXX-1217-A0
► Measure depth of bar groove with scale on
STIHL filing gauge.
► Install a new guide bar if one of the following
points applies:
–
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.
1
0000-GXX-1218-A0
2
► Use a STIHL filing gauge (2) to check the
height of the depth gauges (1). The STIHL fil‐
ing gauge must match the chain pitch.
► If a depth gauge (1) projects from the filing
gauge (2): Lower the depth gauge (1), 16.3.
0000-GXX-1372-A0
1
2
3
4
► Make sure the service marks (1 to 4) on the
cutters are visible.
► If one of the service marks is not visible on a
cutter: Do not use your chainsaw and contact
your STIHL servicing dealer.
► Use a STIHL filing gauge to check that a filing
angle of 30° has been maintained on all cut‐
ters. The STIHL filing gauge must match the
chain pitch.
► If a filing angle of 30° has not been main‐
tained: Resharpen the saw chain.
► If you have any queries: Contact your STIHL
servicing dealer for assistance.
10.4
Testing the Chain Brake
► Engage the chain brake and remove the bat‐
tery.
WARNING
■ The chain's cutters are very sharp. There is a
risk of cut injuries.
► Wear work gloves made of durable mate‐
rial.
► Try to pull the chain along the guide bar by
hand.
If the chain cannot be pulled along the bar by
hand, the chain brake is functioning.
► If the chain can be pulled along the bar by
hand: Do not use your chain saw and contact
your STIHL servicing dealer.
The chain brake is defective.
10.5
Checking the controls
Trigger lockout and trigger
► Engage chain brake and remove battery.
► Try pressing the trigger without pressing the
trigger lockout.
10 Testing the Chain Saw and Battery
English
0458-009-9601-B
47
Содержание MA02-200-0004
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