Checking The Guide Bar; Checking The Saw Chain - Stihl MS 194 T Instruction Manual

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► Remove the bar and chain.
► If there are visible wear marks: Do not use the chainsaw
and contact your STIHL servicing dealer for assistance.
The chain sprocket must be replaced.

10.2 Checking the Guide Bar

► Shut off the engine and engage the chain brake.
► 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:
– Guide bar is damaged.
– Measured bar groove depth is less than specified
minimum depth, @ 19.3.
– Bar groove is pinched or splayed.
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► If you have any queries: Contact your STIHL servicing
dealer for assistance.

10.3 Checking the Saw Chain

► Shut off the engine and engage the chain brake.
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► 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.
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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 for assistance.
10 Checking the Saw
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0458-568-0121-A