Testing The Controls; Testing Saw Chain Lubrication - Stihl MSE 141 C Instruction Manual

English
Before starting work, check the operation of the chain brake:
► Disengage the chain brake, @ 12.2.
► Switch on the chain saw, @ 14.1.
► Engage the chain brake by pushing the front hand guard
to the position, away from the front handle.
A properly functioning chain brake will stop the chain
within fractions of a second.
► If the chain brake fails to stop the chain within fractions of
a second, have the saw inspected and repaired by an
authorized STIHL servicing dealer.

15.2 Testing the Controls

Before starting work, confirm that the trigger switch
lockout (1) and the trigger switch (2) are undamaged and
functioning properly.
1
Trigger Switch Lockout (1) and Trigger Switch (2)
WARNING
To reduce the risk of serious or fatal injuries, keep hands,
feet and other parts of the body away from the saw chain. Do
not touch the saw chain while the chain saw is connected to
the power supply. Never touch a moving saw chain with your
hand or any part of your body, @ 6.6.2. Keep bystanders
out of the area while testing the controls.
38
2
To test the controls:
► Disconnect the chain saw from the power supply.
► Attempt to depress the trigger switch.
If the trigger can be depressed without first depressing the
trigger switch lockout, take the chain saw to an authorized
STIHL servicing dealer to be repaired before use.
► Connect the chain saw to the power supply and hold it
firmly with both hands, your left hand on the front handle
and your right hand on the rear handle. Release the chain
brake and switch on the chain saw by depressing the
trigger switch and trigger switch lockout.
If the chain does not start rotating, engage the chain brake
and disconnect the chain saw from the power supply.
Take the chain saw to an authorized STIHL servicing
dealer to be repaired before use.
► Connect the chain saw to the power supply and hold the
chain saw firmly with both hands, your left hand on the
front handle and your right hand on the rear handle.
Release the chain brake and switch on the chain saw by
depressing the trigger switch and trigger switch lockout.
Then release the trigger switch.
If the saw chain does not stop rotating after you release
the trigger switch, engage the chain brake and disconnect
the chain saw from the power supply. Take the chain saw
to an authorized STIHL servicing dealer to be repaired
before use.

15.3 Testing Saw 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.
15 Checking the Chain Saw
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