Chainsaw User Manual
15
CS-450
 WARNING
•Afterchokecontrolknobispulledandthenknob
is returned to original position, throttle remains 
slightly open (latch condition).
•Thechainwillattempttorotatewhen 
engine is started with throttle latch engaged. 
•Donotstartenginebeforechainbrakeis 
 activated. 
 CAUTION
•Afterstartingtheengine,squeezethrottletrigger
slightly to release throttle latch, otherwise brake 
damage may occur.
•Neverusethrottlelatchforcutting.
•Usethechainbrakeonlyinstartingorin
emergencies. 
OPERATION
Chain brake
Choke
Choke control knob
Throttle trigger lockout
Throttle trigger
Purge pump
 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 com-
plete stop before removing obstructions, clearing debris, or servicing unit.
   WARNING 
Engine exhaust IS HOT, and contains Carbon Monoxide (CO), a poison gas. Breathing CO can cause uncon-
sciousness, serious injury, or death. Exhaust can cause serious burns. ALWAYS position unit so that exhaust is 
directed away from your face and body.
   WARNING
Operation of this equipment may create sparks that can start res around dry vegetation. This unit is equipped 
with a spark arrestor and a spark arrestor may be required. The operator should contact local re agencies for 
laws or regulations relating to re prevention requirements.










