Testing Chain Lubrication; Adjusting The Carburetor; Winter Operation - Stihl MS 261 Manual De Instrucciones

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17 Adjusting the Carburetor

a moving chain with your hand or any part of your body,
@ 5.6.3. Keep bystanders out of the area while testing the
controls.
To test the controls:
► Shut off the engine, @ 15.1.
► Attempt to depress the throttle trigger.
If the trigger can be depressed without first depressing the
throttle trigger lockout, take the chain saw to an
authorized STIHL servicing dealer to be repaired before
use.
Stopping the Engine
► Start the engine, @ 14.4.
► Move the Master Control Lever to position
The engine should stop and the Master Control Lever
should spring back to position .
► If the engine does not stop, move the Master Control
Lever to position
.
The engine will stop.
► Take the chain saw to an authorized STIHL servicing
dealer to be repaired before use.

16.3 Testing Chain Lubrication

WARNING
Never operate your saw without bar and chain lubrication. If
the chain runs dry, the cutting attachment will be damaged
beyond repair within a very short time. A damaged chain
may break, resulting in severe or fatal personal injury.
Always check chain lubrication and the oil level in the tank
before starting work and periodically during work.
To confirm that the chain oil is flowing properly:
► Start the engine, @ 14.4.
► Disengage the chain brake, @ 12.2.
► Point the guide bar toward a bright surface.
0458-573-8621-D
► Accelerate the engine.
The chain should throw off a small amount of oil.
If the chain oil cannot be seen, check the oil level and refill
the tank as necessary.
► Test the chain lubrication again.
► If chain oil is still not visible, the lubrication mechanism is
not functioning. Take the saw to an authorized STIHL
servicing dealer to be repaired before use.
17 Adjusting the Carburetor

17.1 Winter Operation

.
The carburetor may ice up when the saw is used at ambient
temperatures below 50 °F (10 °C). To prevent icing, the
shutter must be converted to allow warm air from around the
engine to heat the carburetor.
► Shut off the engine, @ 15.1.
► Engage the chain brake, @ 12.1.
1
► Open the shroud locks (1) by turning them 1/4 turn
counter-clockwise with the combination wrench.
► Remove the shroud (2).
► Pull out the shutter (3).
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3
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