Engaging And Disengaging The Chain Brake - Stihl MSA 120 C Instruction Manual

English
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► Raise the grip of the wingnut (1).
► Rotate the wingnut (1) two turns counterclock‐
wise.
The wingnut (1) is loose.
► Disengage the chain brake.
► Hold the bar nose up and turn the tensioning
screw (2) clockwise or counterclockwise until
the following points apply:
– Chain sag 'a' in the center of the bar is 1 - 2
mm.
– The chain can still be pulled easily along the
bar with two fingers.
► If a Carving guide bar is used: Turn the ten‐
sioning screw (2) clockwise or counterclock‐
wise until the drive links on the underside of
the bar are just half visible.
► While still holding the bar nose up, rotate the
wingnut (1) clockwise until the chain sprocket
cover is firmly seated.
► If chain sag 'a' in the center of the bar is not 1
- 2 mm: Readjust chain tension.
► If you use a Carving bar and the drive links on
the underside of the bar are less than half visi‐
ble: Readjust chain tension.
► Fold down the grip of the wingnut (1).
7.3 Filling Up with Saw Chain Oil
The saw chain oil lubricates and cools the rotat‐
ing chain.
► switch off chain saw, engage chain brake and
remove battery
► Place your chainsaw on a level surface so that
the oil tank cap faces up.
► Use a damp cloth to clean the oil tank cap and
the area around it.
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8 Engaging and Disengaging the Chain Brake

► With a suitable tool, turn the oil tank cap coun‐
terclockwise until it can be removed.
► Remove the oil tank cap.
► Fill up with saw chain oil, taking care not to
spill any oil and not to overfill the tank.
a
► Place the oil tank cap on the tank opening.
► With a suitable tool, turn the oil tank cap clock‐
wise and tighten it down firmly.
The oil tank is closed.
8 Engaging and Disengaging
the Chain Brake
8.1 Engaging the Chain Brake
The saw is equipped with a chain brake.
The chain brake is activated by the inertia of the
front hand guard if the kickback force is high
enough or can be engaged by the operator.
► Push the hand guard away from the handlebar
with your left hand.
The hand guard engages with an audible click.
The chain brake is engaged.
8.2 Disengaging the Chain Brake
0458-716-0121-D