0000-GXX-2937-A0
► Pull the starter grip slowly with your right hand
until you feel it engage.
► Pull the starter grip quickly and allow the
starter rope to rewind several times until the
engine runs.
► If the Master Control lever (3) is in position .
Briefly depress the lockout lever (4) and blip
the throttle trigger (5).
The Master Control lever springs to position .
The engine runs at idling speed.
NOTICE
■ Do not accelerate the engine with the chain
brake engaged since this can damage the
chain brake.
► Disengage the chain brake before you start
cutting.
► Disengage the chain brake.
Your saw is ready for operation.
► If the engine does not start: Move the Master
Control lever (3) to position and try again to
start the engine.
9.2
Shut off the engine.
2
3
0000-GXX-6457-A0
1
► Release the throttle trigger (2) and lockout
lever (3).
The saw chain stops running.
► Move the Master Control lever (1) to posi‐
tion .
The engine stops and the Master Control lever
(1) springs back to position .
10 Checking the Saw
10.1
Checking the Chain Sprocket
► Shut off the engine.
► Disengage the chain brake.
► Remove the chain sprocket cover.
► Remove the bar and chain.
0000-GXX-3162-A0
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 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.
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 groove 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 for assistance.
10.3
Checking the Saw Chain
► Shut off the engine and engage the chain
brake.
10 Checking the Saw
English
0458-759-0121-D. VA0.A21.
15
Summary of Contents for MS 661 C-M
Page 1: ...STIHL MS 661 C M Instruction Manual 2 30...
Page 30: ...English 23 EC Declaration of Conformity 30 0458 759 0121 D VA0 A21...
Page 31: ...23 EC Declaration of Conformity English 0458 759 0121 D VA0 A21 31...
Page 32: ...www stihl com 04587590121D 04587590121D 0458 759 0121 D 0458 759 0121 D...
