Stihl MS 280 C Instruction Manual page 63

English / USA
Definitions
1. Carburetor Box Cover Twist Lock
Lock for carburetor box cover.
2. Carburetor Adjusting Screws
For fine tuning the carburetor.
3. Spark Plug Boot
Connects the spark plug with the
ignition wire.
4. Decompression Valve
(automatically resetting)
Releases compression pressure to
make starting easier -
when activated.
5. Chain Sprocket Cover
Covers the clutch and the sprocket.
6. Chain Sprocket
The toothed wheel that drives the
saw chain.
7. Chain Brake
A device to stop the rotation of the
chain if activated in a kickback
situation by the operator's hand or
by inertia.
8. Adjusting Wheel
Quick chain tensioner*.
9. Chain Tensioner
Permits precise adjustment of chain
tension.
10. Chain Catcher
Helps to reduce the risk of operator
contact by a chain if it breaks or
comes off the bar.
* see "Guide to Using this Manual"
62
11. Bumper Spike
Toothed stop for holding saw steady
against wood.
12. Guide Bar
Supports and guides the saw chain.
13. Oilomatic Saw Chain
A loop consisting of cutters, tie
straps and drive links.
14. Oil Filler Cap
For closing the oil tank.
15. Muffler
Reduces engine exhaust noise and
directs the exhaust gases.
16. 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.
17. Front Handle
Handlebar for the left hand at the
front of the saw.
18. Starter Grip
The grip of the starter, for starting
the engine.
19. Fuel Filler Cap
For closing the fuel tank.
20. Master Control Lever
Lever for choke control, starting
throttle, run and stop switch
positions.
21. Throttle Trigger
Controls the speed of the engine.
22. Coasting Brake Activating Lever
(Throttle Trigger Interlock)
Must be depressed before the
throttle trigger can be activated.
Engages and disengages the
coasting brake.
23. Rear Handle
The support handle for the right
hand, located at or toward the rear
of the saw.
24. 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 280 C