8
CS-450
OPERATOR SAFETYNOMENCLATURE OF PARTS
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. Front hand guard - Guard between the front
handle and the saw chain for protecting the hand
from injuries and aiding in control of the chain saw
if the hand slips off the handle.
This guard is used to lock the chain brake which is
to stop the saw chain rotation.
4. Cleaner cover knob - Device for installing the air
cleaner cover.
5. Air cleaner cover - Covers air lter.
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 start-
ing.
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. Clutch cover - Protective cover to the guide bar,
saw chain, clutch and sprocket when the chain
saw is in use.
10. Chain tension adjuster - Device to adjust chain
tension.
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, tted 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 airow grill. It cov-
ers the cylinder, spark plug and silencer.
17. Front handle (for the left hand) - Support han-
dle located at the front of the engine housing.
18. Oil tank cap - For sealing the oil tank.
19. Starter handle - Pull handle slowly until starter
engages then quickly and rmly. When engine
starts, return handle slowly.
DO NOT let handle snap back or damage to unit
will occur.
20. Fuel tank cap - For sealing the fuel tank.
21. Throttle trigger - Device activated by the op-
erator’s nger, for controlling the engine speed.
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 in order to prevent the acciden-
tal operation of the throttle trigger.
24. Ignition switch - Device for connecting and dis-
connecting the ignition system and thus allowing
the engine to be started or stopped.
25. Sparkarrestormuferorsparkarrestor
muferwithcatalyst -The mufer or catalytic
mufer controls exhaust noise and emission.
The spark arrestor screen prevents hot, glow-
ing particles of carbon from leaving the mufer.
Keep exhaust area clear of ammable debris.
WARNING
Moving parts can amputate ngers or cause severe injuries. Keep hands, clothing and loose objects away from
all openings.
• ALWAYS stop engine, disconnect spark plug, and make sure all moving parts have come to a complete stop
before removing obstructions, clearing debris, or servicing unit.
• DO NOT start or operate unit unless all guards and protective covers are properly assembled to unit.
• NEVER reach into any opening while the engine is running. Moving parts may not be visible through openings.