Use and Care Manual
7
CS-501P
 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.  Spiked bumper - Device, fitted in front of the 
guide bar mounting point, acting as a pivot 
when in contact with a tree or log. 
 4.  Spark arrestor muffler - The spark arrestor 
muffler controls the exhaust noise and 
prevents hot, glowing particles of carbon 
from leaving the muffler. 
 5. 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. 
 6.  Decompression device - Device for lowering 
the compression in the cylinder, to aid 
starting. 
 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 handle (for the right hand) - Support 
handle located towards the rear of the 
engine housing. 
 9.  Rear hand guard - Extension on the lower part 
of the rear handle for protecting the hand 
from the chain if it breaks or degrooves. 
 10.  Clutch  cover - Protective cover to the guide 
bar, saw chain, clutch and sprocket when 
the chain saw is in use. 
NOMENCLATURE OF PARTS
 11. Chain tension adjuster - Device to adjust 
chain tension. 
 12.  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. 
 13. Guide bar - The part that supports and guides 
the saw chain. 
 14. Saw chain - Chain, serving as a cutting tool. 
 15. Oil tank cap - For closing the oil tank. 
 16. 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. 
 17. Fuel tank cap - For closing the fuel tank. 
 18.  Throttle  trigger - Device activated by the 
operator’s finger, for controlling the engine 
speed. 
 19. 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. 
 20. Ignition switch - Device for connecting and 
disconnecting the ignition system and thus 
allowing the engine to be started or stopped. 
21. Air cleaner cover - Covers air cleaner. 
 22. Cleaner cover knob - Device for installing the 
air cleaner cover. 
 23. Front handle (for the left hand) - Support 
handle located at the front of the engine 
housing. 
 24. Cylinder cover - The cooling airflow grill. 
It covers the cylinder, spark plug and 
silencer. 










