Overview - Stihl MSA 120 C Instruction Manual

3 Overview

3 Overview
3.1 Chainsaw, Battery and Charger
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1 Rear Hand Guard
Protects operator's right hand from contact
with the chain if it comes off the bar or
breaks.
2 Front Hand Guard
Helps protect operator's left hand from con‐
tact with the saw chain, serves to engage the
chain brake and activates the chain brake by
inertia in certain kickback situations.
3 Chain sprocket
Toothed wheel that drives the chain.
4 Tensioning Gear
Moves guide bar to increase or reduce chain
tension.
5 Spiked Bumper
Toothed stop for holding saw steady against
wood while cutting.
6 Saw Chain
Cuts the wood.
7 Guide bar
Supports and guides the saw chain.
8 Chain Sprocket Cover
Covers the chain sprocket and secures the
guide bar to the chainsaw.
9 Adjusting Wheel
Permits precise adjustment of chain tension.
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10 Wingnut
Secures chain sprocket cover to chainsaw.
11 Chain catcher
Reduces risk of operator contact with the
chain if it comes off the bar or breaks.
12 Control handle
For operating, holding and controlling the
chainsaw.
13 Locking Lever
Secures the battery in the battery compart‐
ment.
14 Battery Compartment
Accommodates the battery.
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15 Handlebar
For holding, controlling and carrying the
chainsaw.
16 Oil Tank Cap
Closes the oil tank.
17 Lockout Button
Unlocks the trigger.
18 Trigger
Switches the chainsaw on and off.
19 Battery
Supplies power to the chainsaw.
20 LEDs
Indicate battery's state of charge and mal‐
functions.
21 Button
Activates the LEDs on the battery.
22 Charger
Charges the battery.
23 LED
The LED indicates the operating status of the
charger.
24 Connecting Cable
Connects charger to appliance plug.
25 Appliance Plug
Connects cable to wall outlet.
26 Chain Scabbard
Helps protect user from contact with saw
chain.
# Rating Label with Serial Number
3.2 Symbols
Meanings of symbols that may be on the chain‐
saw, battery and charger:
This symbol shows the direction of
rotation of the chain.
Turn in this direction to tension the saw
chain.
English
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