Stihl MS 241 C-M Instruction Manual - Page 53

Tensioning the Saw Chain

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Definitions 1 Shroud Lock Lock for the shroud. 2 Decompression Valve - (Automatically Resetting) Releases compression pressure to make starting easier - when activated. 3 Shutter With summer and winter positions. Carburetor is heated in winter position. 4 Chain Brake A device to stop the rotation of the chain. Is activated in a kickback situation by the operator's hand or by inertia. 5 Chain Sprocket The toothed wheel that drives the saw chain. 6 Chain Sprocket Cover Covers the sprocket. 7 Chain Catcher Helps to reduce the risk of operator contact by a chain when it breaks or comes off the bar. 8 Chain Tensioner Permits precise adjustment of chain tension. 9 Bumper Spike Toothed stop for holding saw steady against wood. 10 Guide Bar Supports and guides the saw chain. 11 Oilomatic Saw Chain A loop consisting of cutters, tie straps and drive links. 12 Oil Filler Cap For closing the oil tank. 13 Muffler (with Spark Arresting Screen) Muffler reduces engine exhaust noise and diverts exhaust gases away from operator. Spark arresting screen is designed to reduce the risk of fire. 14 Front Hand Guard Provides protection against projecting branches and helps prevent left hand from touching the chain if it slips off the handlebar. It also serves as the lever for chain brake activation. 15 Front Handle (Handlebar) Handlebar for the left hand at the front of the saw. 16 Spark Plug Boot Connects the spark plug with the ignition lead. 17 Starter Grip The grip of the pull starter, for starting the engine. 18 Fuel Filler Cap For closing the fuel tank. 19 Master Control Lever Lever for starting, operating and stop-engine positions. 20 Throttle Trigger Controls the speed of the engine. English 21 Throttle Trigger Lockout Must be depressed before the throttle trigger can be activated. 22 Rear Handle The support handle for the right hand, located at the rear of the saw. 23 Rear Hand Guard Gives added protection to operator's right hand. Guide Bar Nose The exposed end of the guide bar. (not illustrated, see chapter "Tensioning the Saw Chain") Clutch Couples engine to chain sprocket when engine is accelerated beyond idle speed. (not illustrated) Anti-Vibration System The anti-vibration system includes a number of anti-vibration elements designed to reduce the transmission of vibrations created by the engine and cutting attachment to the operator's hands. (not illustrated) MS 241 C-M 51

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MS 241 C-M
English
51
Definitions
1
Shroud Lock
Lock for the shroud.
2
Decompression Valve –
(Automatically Resetting)
Releases compression pressure to
make starting easier – when
activated.
3
Shutter
With summer and winter positions.
Carburetor is heated in winter
position.
4
Chain Brake
A device to stop the rotation of the
chain. Is activated in a kickback
situation by the operator's hand or
by inertia.
5
Chain Sprocket
The toothed wheel that drives the
saw chain.
6
Chain Sprocket Cover
Covers the sprocket.
7
Chain Catcher
Helps to reduce the risk of operator
contact by a chain when it breaks or
comes off the bar.
8
Chain Tensioner
Permits precise adjustment of chain
tension.
9
Bumper Spike
Toothed stop for holding saw steady
against wood.
10
Guide Bar
Supports and guides the saw chain.
11
Oilomatic Saw Chain
A loop consisting of cutters, tie
straps and drive links.
12
Oil Filler Cap
For closing the oil tank.
13
Muffler (with Spark Arresting
Screen)
Muffler reduces engine exhaust
noise and diverts exhaust gases
away from operator.
Spark arresting screen is designed
to reduce the risk of fire.
14
Front Hand Guard
Provides protection against
projecting branches and helps
prevent left hand from touching the
chain if it slips off the handlebar. It
also serves as the lever for chain
brake activation.
15
Front Handle (Handlebar)
Handlebar for the left hand at the
front of the saw.
16
Spark Plug Boot
Connects the spark plug with the
ignition lead.
17
Starter Grip
The grip of the pull starter, for
starting the engine.
18
Fuel Filler Cap
For closing the fuel tank.
19
Master Control Lever
Lever for starting, operating and
stop-engine positions.
20
Throttle Trigger
Controls the speed of the engine.
21
Throttle Trigger Lockout
Must be depressed before the
throttle trigger can be activated.
22
Rear Handle
The support handle for the right
hand, located at the rear of the saw.
23
Rear Hand Guard
Gives added protection to
operator's right hand.
Guide Bar Nose
The exposed end of the guide bar.
(not illustrated, see chapter
"Tensioning the Saw Chain")
Clutch
Couples engine to chain sprocket
when engine is accelerated beyond
idle speed. (not illustrated)
Anti-Vibration System
The anti-vibration system includes a
number of anti-vibration elements
designed to reduce the
transmission of vibrations created
by the engine and cutting
attachment to the operator's hands.
(not illustrated)