Echo 2CS-450 User Manual

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4
CS-450
   WARNING
The safety alert symbol accompanied by 
the word “WARNING” calls attention to an 
act or condition which CAN lead to serious 
personal injury or death if not avoided.
CIRCLE AND SLASH SYMBOL
This symbol means the specific action 
shown is prohibited. Ignoring these 
prohibitions can result in serious or 
fatal injury.
   CAUTION
The safety alert symbol accompanied by 
the word “CAUTION” calls attention to an 
act or condition which may lead to minor or 
moderate personal injury if not avoided.
NOTE
This enclosed message provides tips for use, 
care and maintenance of the unit.
IMPORTANT
The enclosed message provides information 
necessary for the protection of the unit.
   DANGER
The safety alert symbol accompanied by 
the word “DANGER” calls attention to an 
act or condition which WILL lead to serious 
personal injury or death if not avoided.
SYMBOLS AND SIGNS
CONTENTS
RULES FOR SAFE OPERATION .......................................................................................................   2
SYMBOLS AND SIGNS ......................................................................................................................  4
EMISSION DATA ................................................................................................................................   6
PACKING LIST ....................................................................................................................................  6
NOMENCLATURE OF PARTS ...........................................................................................................   7 
OPERATOR SAFETY .........................................................................................................................   8
CORRECT USE OF CHAIN BRAKE ...................................................................................................  10
PREPARATION FOR USE ..................................................................................................................  11
FUEL AND LUBRICANT .....................................................................................................................  13
OPERATION .......................................................................................................................................  15
CUTTING INSTRUCTION ...................................................................................................................  18
CHAIN AND GUIDE BAR COMBINATION ..........................................................................................  23
MAINTENANCE AND CARE ...............................................................................................................  24
 Carburetor Adjustment........................................................................................................................  25
  - High Altitude Operation ...................................................................................................................  25
SETTING THE SAW CHAIN ...............................................................................................................  29
TROUBLESHOOTING ........................................................................................................................  31
STORAGE AFTER USE ......................................................................................................................  32
TECHNICAL DATA ..............................................................................................................................  32
WARRANTY STATEMENTS ...............................................................................................................  33
SERVICING INFORMATION ...............................................................................................................  36
This chain saw is designed for cutting wood or wood products. Do not cut solid metal, sheet metal, plastic 
or any non-wood materials.
Specifications, descriptions and illustrative material in this literature are as accurate as known at the time 
of publication, but are subject to change without notice.  Illustrations may include optional equipment and 
accessories, and may not include all standard equipment.