Echo CS-310 Instruction Manual page 12

1. Instruction manual - Included with unit. Read
before operation and keep for future reference to
learn proper, safe operating techniques.
2. Safety manual - Describe operating and safety
instructions for this chain saw.
3. Chain Brake Lever/Front hand guard -Locks and
unlocks the chain brake to stop or allow saw chain
rotation. Guard between the front handle and the
saw chain helps protect the hand from injuries if
the hand slips off the front handle.
Spark arrestor muffler or spark arrestor muf-
4.
fler with catalyst
controls exhaust noise and emission. The spark
arrestor screen prevents hot, glowing particles of
carbon from leaving the muffler. Keep exhaust area
clear of flammable debris
5. Bar tip guard - Anti-kickback device attached on
the bar nose.
6. Saw chain - Chain, serving as a cutting tool.
7. Guide bar - The part that supports and guides the
saw chain.
8. Chain catcher - A projection designed to reduce
the risk of the operator's right hand from being hit
by a chain which has broken or derailed from the
guide bar during cutting.
9. Chain tension adjuster - Device to adjust chain
tension.
10. Clutch cover - Protective cover for the guide bar,
saw chain, clutch and sprocket when the chain saw
is in use.
11. Rear hand guard - Extension on the lower part of
the rear handle for protecting the hand from the
chain if it breaks or degrooves.
12. Purge pump - When starting engine, push purge
pump 3 or 4 times.
13. Choke control knob - Device for enriching the
fuel/air mixture in the carburetor to aid cold starting
also activates fast idle throttle latch.
14. Cylinder cover - The cooling airflow grill. It covers
the cylinder, air filter, spark plug and silencer.
CS-310
DESCRIPTION OF PARTS
- The muffler or catalytic muffler
.
15. Throttle trigger lockout - A safety lever which
must be depressed before the throttle trigger can
be activated in order to prevent the accidental
operation of the throttle trigger.
16. Rear handle (for the right hand) - Support han-
dle located towards the rear of the engine housing.
17. Throttle trigger - Device activated by the opera-
tor's finger, for controlling the engine speed. also
releases fast idle throttle lock when squeezed
and released immediately after starting engine.
18. Ignition switch - Device for connecting and dis-
connecting the ignition system and thus allowing
the engine to be started or stopped.
19. Fuel tank cap - For closing the fuel tank.
Cylinder cover latch - Secures cylinder cover.
20.
21. Starter handle - Pull handle slowly until starter
engages then quickly and firmly. When engine
starts, return handle slowly. DO NOT let handle
snap back or damage to unit will occur.
22. Front handle (for the left hand) - Support handle
located at the front of the engine housing.
23. Oil tank cap - For closing the oil tank.
CHain Saw TErMS
1. Fast idle - Throttle setting that causes engine to
operate at a faster speed for easier starting.
2. Throttle Latch - Device that sets idle speed to fast
idle when choke control is operated.
3. Chain Brake - Stops the saw chain.
4. Drive Sprocket - Drives saw chain.
5. Clutch - Turns drive sprocket when engine rpm is
fast enough to provide the power needed for cutting.
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