Description Of Parts - Echo CS-400 Instruction Manual

1. Instruction manual - Included with unit. Read be-
fore operation and keep for future reference to learn
proper, safe operating techniques.
2. Safety manual - Describes 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 handle.
4. Cleaner cover knob - Device for installing the air
cleaner cover.
5. Air cleaner cover - Covers air filter.
6. Purge pump - when starting engine, push purge
pump 3 or 4 times.
7. Choke control knob - Device for enriching the fuel/
air mixture in the carburetor to aid cold starting. Also
activates fast idle throttle latch.
8. Rear hand guard - Extension on the lower part of
the rear handle for protecting the hand from the
chain if it breaks or degrooves.
9. Chain Brake/Clutch cover - Protective cover for
the chain brake, guide bar, saw chain, clutch, and
sprocket when the chain saw is in use.
10. Chain tension adjuster - Device to adjust chain ten-
sion.
11. 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.
12. Spiked bumper - Device, fitted in front of the guide
bar mounting point, acting as a pivot when in contact
with a tree or log.
13. Guide bar - The part that supports and guides the
saw chain.
14. Saw chain - Chain, serving as a cutting tool.
15. Bar tip guard - Anti-kickback device attached on the
bar nose.
16. Cylinder cover - The cooling airflow grill. It covers
the cylinder, spark plug and silencer.
CS-400

DESCRIPTION OF PARTS

12
17. Front handle (for the left hand) - Support handle
located at the front of the engine housing.
18. Oil tank cap - For closing the oil tank.
19. 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.
20. Fuel tank cap - For closing the fuel tank.
21. Throttle trigger - Device activated by the opera-
tor's finger, for controlling the engine speed. Also
releases fast idle throttle latch when squeezed and
released immediately after starting engine.
22. Rear handle (for the right hand) - Support handle
located towards the rear of the engine housing.
23. Throttle trigger lockout - A safety lever which must
be depressed before the throttle trigger can be
activated. Prevents accidental operation of the
throttle trigger.
24. Ignition switch - Device for connecting and discon-
necting the ignition system and thus allowing the
engine to be started or stopped.
25. Spark arrestor muffler or spark arrestor muffler
-
with catalyst The muffler or catalytic muffler con-
trols exhaust noise and emission. The spark arrestor
screen prevents hot, glowing particles of carbon from
leaving the muffler. Keep exhaust area clear of flam-
.
mable debris
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.