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Echo X7503196704 - page 1
X7503196704 X750010904 01/12 Chain Saw Instruction Manual MODEL : CS-450 W ARNING Users of this equipment risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed. ECHO provides an operator ’s manual and a safety manual. Both must be read and understood for proper and safe operation. Failure t ...
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Echo X7503196704 - page 2
2 CS-450 RULES FOR SAFE OPERATION A. Kickback Safety Precautions for Chain Saw Users 1. With a basic understanding of kickback, you can reduce or eliminate the element of surprise. Sudden surprise contributes to accidents. 2. Keep a good rm grip on the saw with both hands, the right hand on the rear handle, and the left hand on the front handle, ...
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Echo X7503196704 - page 3
3 CS-450 1. Do not operate a chain saw with one hand! Serious injury to the operator, helpers, or bystanders may result from one-handed operation. A chain saw is intended for two-handed use. 2. Do not operate a chain saw when you are fatigued. 3. Use safety footwear, snug-tting clothing and protective gloves. Wear eye, hearing, and head protecti ...
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Echo X7503196704 - page 4
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 specic action shown is prohibited. Ignoring these prohibitions can result in serious or fatal injury. CAUTION The sa ...
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Echo X7503196704 - page 5
5 CS-450 TO AVOID KICKBACK 1. Hold the chain saw rmly with both hands. 2. Don’t let the nose of the guide bar contact any obstruction. 3. Tip contact may suddenly move the guide bar upward and backward, which may cause serious injury. Carburetor adjustment - Idle speed Carburetor adjustment - High speed mixture Carefully read the Instruction m ...
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Echo X7503196704 - page 6
6 CS-450 PACKING LIST The ECHO product you purchased has been fac - tory pre-assembled for your convenience. Due to packaging restrictions, guide bar and saw chain installation and other assembly may be necessary. After opening the carton, check for damage. Im- mediately notify your retailer or ECHO dealer of damaged or missing parts. Use the packi ...
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Echo X7503196704 - page 7
7 CS-450 NOMENCLATURE OF PARTS 24 21 16 17 18 20 19 15 5 4 8 7 10 11 12 13 14 3 2 1 9 22 23 6 CS-450 25 4 ...
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Echo X7503196704 - page 8
8 CS-450 OPERATOR SAFETY NOMENCLATURE 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 protec ...
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Echo X7503196704 - page 9
9 CS-450 VIBRATION AND COLD • It is believed that a condition called Raynaud’s Phenomenon, which affects the ngers of certain individuals, may be brought about by exposure to vibration and cold. Exposure to vibration and cold may cause tingling and burning followed by loss of color and numbness in the ngers. The following precautions are ...
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Echo X7503196704 - page 10
10 CS-450 SPARK ARRESTOR MUFFLER • The spark arrestor mufer controls the exhaust noise and prevents hot, glowing particles of carbon from leaving the mufer. Make sure the spark arrestor screen is in good repair and properly seated in the mufer. • Certain internal combustion engines operated on forest, brush, and/or grass-covered areas ...
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Echo X7503196704 - page 11
11 CS-450 PREPARATION FOR USE Bolt (A) Dimple (D) Recess (E) Front hole (C) Rear hole (B) Nut (F) Guide bar Kick Guard ® Brake connector Clutch cover Brake lever (Front hand guard) Two nuts WARNING Saw chain is sharp! Always wear gloves when handling assembly, otherwise serious personal injury may result. NOTE The machine may be delivered with gui ...
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Echo X7503196704 - page 12
12 CS-450 6. Mount guide bar on studs and slide toward clutch to make saw chain installation easier. In - stall chain with cutters on top of guide bar facing forward. 7. Unlock the chain brake, and install the clutch cover over the guide bar studs. Ensure chain tension adjuster pin ts into the guide bar adjuster hole, brake band is positioned ar ...
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Echo X7503196704 - page 13
13 CS-450 F uEl anD l ubricant NOTICE: Use of unmixed, improperly mixed, or fuel older than 90 days, (stale fuel), may cause hard starting, poor perfor- mance, or severe engine damage and void the product warranty . Read and follow instructions in the Storage section of this manual. FuEl st a tEmEnt W ARNING Alternative fuels, such as E-15 (15% eth ...
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Echo X7503196704 - page 14
14 CS-450 Mixing Instructions 1. Fill an approved fuel container with half of the required amount of gasoline. 2. Add the proper amount of 2-stroke oil to gasoline. 3. Close container and shake to mix oil with gasoline. 4. Add remaining gasoline, close fuel container , and remix. IMPOR T ANT Spilled fuel is a leading cause of hydrocarbon emissions. ...
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Echo X7503196704 - page 15
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? ...
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Echo X7503196704 - page 16
16 CS-450 WHEN THE ENGINE IS WARM CAUTION Make sure the bar and chain are free from any obstruction when starting the chain saw. • Move chain brake lever fully forward to lock chain brake before starting. • Conrm there is fuel and chain oil in the tanks. • Move ignition switch to “RUN” position. • Securely hold the chain saw as shown ...
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Echo X7503196704 - page 17
17 CS-450 STOP Ignition switch Throttle trigger RUNNING W ARNING The saw chain should not move at idle, otherwise serious personal injury may result. NOTE If saw chain moves adjust carburetor according to “Carburetor Adjustment” instructions in this manual, or see your dealer . • When engine starts, keep idling for a few minutes. • Set the ...
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Echo X7503196704 - page 18
18 CS-450 CUTTING INSTRUCTION Kickback GENERAL CAUTION • ReadtheECHO“CHAINSAWSAFETYMANUAL” included with your chain saw for additional cutting and safety instructions. • Wearsuitablehearingprotectionsuchas earmuffs or earplugs to protect against objectionable or uncomfortable loud noises. • ...
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Echo X7503196704 - page 19
19 CS-450 FELLING THE TREE 1 2 3 Felling cut Hinge Direction of fall First cut Notch Second cut One-third tree diameter Direction of fall 5 cm (2 in.) 5 cm (2 in.) 45° 45° Not this way Retreat Retreat 3 m (10 feet) Before cutting, clear the area around the tree. You will need good footing while working and you should be able to work the saw witho ...
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Echo X7503196704 - page 20
20 CS-450 Uphill position Finish cut First cut LIMBING Limbing a fallen tree is much the same as bucking. Never stand on the tree that you are limbing. When limbing, caution is the word. Be careful of the tip touching other limbs. Always use both hands. Don’t cut with the saw overhead or aligned vertically with your body. If the saw should kickba ...
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Echo X7503196704 - page 21
21 CS-450 Chain brake function When the lever is pushed forward, chain brake instantly stops the chain. Chain brake unlock When the lever is fully pulled, toward the operator, brake is unlocked. Kickback Kickback motion CHAIN BRAKE OPERATION • Set the lever in the unlocked position before starting to cut. • If the brake is tripped by kickback r ...
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Echo X7503196704 - page 22
22 CS-450 End of the guide bar may be placed at the height of about 50 cm (20 in.). 50 cm (20 in.) AUTOMATIC CHAIN BRAKE Kickback produced from the tip of the guide bar will trip the automatic chain brake. To make sure that the automatic chain brake operates properly, follow these steps: 1. Stop the engine. 2. Hold the saw with the guide bar approx ...
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Echo X7503196704 - page 23
23 CS-450 CHAIN AND GUIDE BAR COMBINATION The following combinations are recommended for model CS-450 . W ARNING Use of replacement saw chain and/or guide bar other than that specied, or operation without the “tip guard” in place, may cause severe kickback resulting in serious injury . Only use replacement guide bar and saw chain that has be ...
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Echo X7503196704 - page 24
24 CS-450 MAINTENANCE AND CARE Y our ECHO chain saw is designed to provide many hours of trouble free service. Regular scheduled maintenance will help your chain saw achieve that goal. If you are unsure or are not equipped with the necessary tools, you may want to take your unit to an ECHO Service Dealer for maintenance. T o help you decide whether ...
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Echo X7503196704 - page 25
25 CS-450 Every unit is run at the factory and the carburetor is set in compliance with Emission Regulations. In addition, the carburetor is equipped with “H” (High Speed) and “L” (Low Speed) needle adjustment limiters that prevent settings outside acceptable limits. 1. Before adjusting carburetor clean or replace air lter and mufer ? ...
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Echo X7503196704 - page 26
26 CS-450 Oil lter Fuel lter Oil tank cap Fuel tank cap 0.65 mm (0.026 in.) AIR FILTER • Check before every use. • Loosen cleaner cover knob and remove air cleaner cover and lter. • Brush off dust lightly, or clean with compressed air, or replace the air lter. • Reinstall air lter and cover. CHECK FUEL SYSTEM • Check before ...
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Echo X7503196704 - page 27
27 CS-450 GUIDE BAR • Clean before using. - Clean the groove of the guide bar with a small screwdriver. - Clean oil holes with a wire. • Reverse guide bar periodically. • Check sprocket and the clutch and clean the bar mount area before installation of the bar. Replace either or both if worn. SPROCKET • A damaged sprocket will cause prematu ...
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Echo X7503196704 - page 28
28 CS-450 EXHAUST PORT CLEANING Parts Requir ed: As needed: Mufer gasket 1. Remove air cleaner cover and remove spark plug lead. 2. Remove guide bar and saw chain. See "Guide Bar and Saw Chain Installation/Removal." 3. Remove mufer support bracket (A). 4. Place piston at top dead center . Remove mufer (B) and mufer gasket (C ) ...
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Echo X7503196704 - page 29
29 CS-450 SETTING THE SAW CHAIN Sharpen lower edge Drive link Tie strap Right hand cutter Preset tie strap Left hand cutter Guard link Top plate Side plate Depth guage Important points for proper maintenance of saw chain: • Keep the cutters sharp at all times. • Keep the left and the right cutters properly aligned. - Note that blunt or irregula ...
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Echo X7503196704 - page 30
30 CS-450 NOTE These angles are referred to as Oregon 20BPX, 33SL, or 95VP. To sharpen other follow chain manufacturer’s instruction. • Place the depth gauge tool rmly on guide bar so that depth gauge protrudes. Then le top of depth gauge with the at le until at with top of the depth gauge tool. - Be sure to round off the front e ...
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Echo X7503196704 - page 31
31 CS-450 TROUBLESHOOTING WARNING Fuelvaporsareextremelyammableand maycausereand/orexplosion.Nevertest for ignition spark by grounding spark plug near cylinder plug hole, otherwise serious personal injury may result. T R A H C G N I T O O H S E L B U O R T M E L B O R P E N I G N E m e l b o r Pk c e h C ...
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Echo X7503196704 - page 32
32 CS-450 MODEL CS-450 Dimension L × W × H mm 400 × 252 × 278 (15.7 in. × 9.9 in. × 10.9 in.) Mass Power head, dry kg 5.1 (11.2 lb.) Without chain and guide bar Engine Type Air-cooled two-stroke single cylinder Displacement mL (in 3 ) 45.0 (2.746 c.u in.) Carburetor Diaphragm type Magneto Flywheel magneto: CDI system Spark plug NGK BPM8Y Star ...
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Echo X7503196704 - page 33
33 CS-450 ECHO LIMITED W ARRANTY ST A TEMENT FOR PRODUCT SOLD IN USA AND CANADA BEGINNING 01/01/2010 ECHO'S RESPONSIBILITY ECHO Incorporated’s Limited W arranty , provides to the original purchaser that this ECHO product is free from defects in material and workmanship . Under normal use and maintenance from date of purchase, ECHO agrees to ...
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Echo X7503196704 - page 34
34 CS-450 PURCHASED REP AIR P ARTS, SHORT BLOCKS AND ACCESSORIES ? ...
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Echo X7503196704 - page 35
35 CS-450 ECHO INCORPORA TED EMISSION CONTROL W ARRANTY ST A TEMENT FOR ECHO AND SHINDAIW A BRANDS The Environmental Protection Agency (EP A) and the California Air Resources Board (C.A.R.B.) and ECHO Incorporated (ECHO Inc.) are pleased to explain the emission control system warranty on your 2010 and later equipment/small off-road engine (SORE). N ...
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Echo X7503196704 - page 36
CONSUMER PRODUCT SUPPORT 1-800-673-1558 8:30 - 4:30 Mon - Fri C.S.T . ECHO, INCORPORA TED 400 O akwOOd R Oad L ake Z uRich , iL 60047-1564 www .echo-usa.com DEALER? Call 1-800-432-ECHO 1-800-432-3246 or www .echo-usa.com C05812001001/C05812999999 s Ervicing i nForma tion p arts / sErial numbEr Genuine ECHO Parts and ECHO REPOWER™ Parts and Assemb ...
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