Stihl MS 193 C-E Product Instruction Manual - Page 53

Tensioning the Saw Chain

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Definitions 1 Carburetor Box Cover Twist Lock Lock for carburetor box cover. 2 Carburetor Box Cover Covers the air filter and the carburetor. 3 Carburetor Adjusting Screws For tuning the carburetor. 4 Muffler with Spark Arresting Screen Muffler reduces exhaust noises and diverts exhaust gases away from operator. Spark arresting screen is designed to reduce the risk of fire. 5 Chain Sprocket Cover Covers the clutch and chain sprocket. 6 Chain Sprocket The toothed wheel that drives the saw chain. 7 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. 8 Chain Tensioner Permits precise adjustment of chain tension. 9 Chain Catcher Helps to reduce the risk of operator contact by a chain if it breaks or comes off the bar. 10 Guide Bar Supports and guides the saw chain. 11 Oilomatic Saw Chain A loop consisting of cutters, tie straps and drive links. 12 Bumper Spike Toothed stop for holding saw steady against wood. 13 Oil Filler Cap For closing the oil tank. 14 Fuel Filler Cap For closing the fuel tank. 15 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. 16 Front Handle (Handlebar) Handlebar for the left hand at the front of the saw. 17 Starter Grip The grip of the pull starter, for starting the engine. 18 Choke Lever Eases engine starting by enriching mixture. 19 Fuel Pump Provides additional fuel feed for a cold start. 20 Spark Plug Boot Connects the spark plug with the ignition lead. 21 Throttle Trigger Controls the speed of the engine. English 22 Master Control Lever Lever for choke control, starting throttle, run and stop switch position. 23 Throttle Trigger Lockout Must be depressed before the throttle trigger can be activated. 24 Rear Handle The support handle for the right hand, located at or toward the rear of the saw. 25 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 193 C 51

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MS 193 C
English
51
Definitions
1
Carburetor Box Cover Twist Lock
Lock for carburetor box cover.
2
Carburetor Box Cover
Covers the air filter and the
carburetor.
3
Carburetor Adjusting Screws
For tuning the carburetor.
4
Muffler with Spark Arresting Screen
Muffler reduces exhaust noises and
diverts exhaust gases away from
operator.
Spark arresting screen is designed
to reduce the risk of fire.
5
Chain Sprocket Cover
Covers the clutch and chain
sprocket.
6
Chain Sprocket
The toothed wheel that drives the
saw chain.
7
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.
8
Chain Tensioner
Permits precise adjustment of chain
tension.
9
Chain Catcher
Helps to reduce the risk of operator
contact by a chain if it breaks or
comes off the bar.
10
Guide Bar
Supports and guides the saw chain.
11
Oilomatic Saw Chain
A loop consisting of cutters, tie
straps and drive links.
12
Bumper Spike
Toothed stop for holding saw steady
against wood.
13
Oil Filler Cap
For closing the oil tank.
14
Fuel Filler Cap
For closing the fuel tank.
15
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.
16
Front Handle (Handlebar)
Handlebar for the left hand at the
front of the saw.
17
Starter Grip
The grip of the pull starter, for
starting the engine.
18
Choke Lever
Eases engine starting by enriching
mixture.
19
Fuel Pump
Provides additional fuel feed for a
cold start.
20
Spark Plug Boot
Connects the spark plug with the
ignition lead.
21
Throttle Trigger
Controls the speed of the engine.
22
Master Control Lever
Lever for choke control, starting
throttle, run and stop switch
position.
23
Throttle Trigger Lockout
Must be depressed before the
throttle trigger can be activated.
24
Rear Handle
The support handle for the right
hand, located at or toward the rear
of the saw.
25
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)