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Chain Saw
Instruction Manual
MODEL : CS-450
warning
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 to
do so could result in serious injury.
X750010904
X7503196704
01/12
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RULES FOR SAFE OPERATION A. Kickback Safety Precautions for Chain Saw Users WARNING! KICKBACK may occur when the nose or tip of 1. With a basic understanding of kickback, the guide bar touches an object, or when the you can reduce or eliminate the element of wood closes in and pinches the saw chain in surprise. the cut. Sudden surprise contributes to accidents. Tip contact in some cases may cause a 2. Keep a good firm grip on the saw with both lightning fast reverse REACTION, Kick
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B. Other Safety Precautions 1. Do not operate a chain saw with one 12. Use extreme caution when cutting hand! Serious injury to the operator, small size brush and saplings because helpers, or bystanders may result from slender material may catch the saw one-handed operation. chain and be whipped toward you or A chain saw is intended for two-handed pull you off balance. use. 13. When cutting a limb that is under 2. Do not operate a chain saw when you tension, be alert for spri
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CONTENTS RULES FOR SAFE OPERATION ....................................................................................................... 2 SYMBOLS AND SIGNS ...................................................................................................................... 4 EMISSION DATA ................................................................................................................................ 6 PACKING LIST .............................................................
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SYMBOL FORM Symbol form/shape Symbol description/application Symbol form/shape Symbol description/application Carefully read the Instruction Chain oil fill manual Wear eyes, ears and head Chain oil pump protection Chain brake operation Chain oiler adjustment Emergency stop Carburetor adjustment STOP - Low speed mixture Choke control “Cold Start” Carburetor adjustment position (choke closed) - High speed mixture Oil and gasoline mixture Carburetor adjustment - Idle speed DECALS CS-450 WARNING!
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Emission Data Emission control (Exhaust & EE tivaporav ) EPA 2010 and Later and/or C.A.R.B. TIER III The emission control system for the engine is EM (en- gine modification) and, if the second to last character of the Engine Family on the Emission Control Informa- tion label (sample below) is “C”, “K”, or “T”, the emis- sion control system is EM and TWC (3-way catalyst). The fuel tank/fuel line emission control system is EVAP (evaporative emissions). Evaporative emissions for California mode
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NOMENCLATURE OF PARTS 4 3 CS-450 5 1 6 7 25 8 9 15 10 2 11 12 13 14 4 24 23 16 22 17 18 19 20 21 CS-450 7
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NOMENCLATURE OF PARTS 12. Spiked bumper - Device, fitted in front of the 1. Instruction manual - Included with unit. Read guide bar mounting point, acting as a pivot when before operation and keep for future reference to learn proper, safe operating techniques. in contact with a tree or log. 2. Safety manual - Describe operating and safety 13. Guide bar - The part that supports and guides instructions for this chain saw. the saw chain. 3. Front hand guard - Guard between the fro
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warning The ignition components of this machine generate an electromagnetic field during operation which may in- terfere with some pacemakers. To reduce the risk of serious or fatal injury, persons with pacemakers should consult with their physician and the pacemaker manufacturer before operating this machine. In the absence of such information, ECHO does not recommend the use of ECHO products by anyone who has a pacemaker. • See a doctor if you feel tingling, numbness or pain in VI
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Kickback SPARK ARRESTOR MUFFLER This requirement also applies to all U.S. Forest • The spark arrestor muffler controls the exhaust Service lands. noise and prevents hot, glowing particles of In some of these areas, the spark arrestor system carbon from leaving the muffler. must be certified per USDA Forest Service Regula- Make sure the spark arrestor screen is in good tion SAE J335. repair and properly seated in the muffler. Check with your local or state authorities for
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PREPARATION FOR USE WARNING Saw chain is sharp! Always wear gloves when handling assembly, otherwise serious warning personal injury may result. Using improper replacement components or remov- ing safety devices may result in serious or fatal nOTE injury. The machine may be delivered with guide bar, tip guard, and saw chain separated. Install guide bar, tip guard, and saw chain as follows. ® KICK GUARD TO BAR INSTRUC- Bolt (A) TIONS Dimple (D) Tools Needed: Two 11 mm (7/16 in.) Wrenc
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Guide bar studs 6. Mount guide bar on studs and slide toward Clutch clutch to make saw chain installation easier. In- stall chain with cutters on top of guide bar facing Guide bar forward. adjuster 7. Unlock the chain brake, and install the clutch hole Hole cover over the guide bar studs. Ensure chain Nuts Pin tension adjuster pin fits into the guide bar Adjuster pin adjuster hole, brake band is positioned around Clutch cover clutch drum, and pin at rear of clutch cover fits hole on engi
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FuEl D an l ubricant warning Check fuel system for leaks due to fuel tank damage, especially if the unit is dropped. If damage or leaks are found, do not use unit, otherwise serious personal injury or property damage may occur. Have unit repaired by an authorized servicing dealer before using. 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
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Mixing Instructions Fuel Mix Chart 50:1 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. IMPORTANT Spilled fuel is a leading cause of hydrocarbon emissions. Some states may require the use of automatic fuel shut-off containers to reduce fuel spillage. after use IMPORTANT
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OPERATION warning Moving parts can amputate fingers 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 burn
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WHEN THE ENGINE IS COLD CAUTION Make sure the bar and chain are free from any obstruction when starting the chain saw. Chain brake • Move chain brake lever fully forward to lock chain brake before starting. • Fill the fuel tank with fuel mixture. Do not over fill. • Fill the chain oil tank with lubricant. Do not over fill. • Move ignition switch to “RUN” position. • Push purge pump 3 to 4 times or until fuel is visible in purge pump. Ignition switch • Pull choke control knob all the way
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RUNNING Unlock chain brake warning 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 brake lever in the unlocked position before starting to cut. • Pull throttle trigger gradually and increase revolution of the engine. • The chain starts running when the engine
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CUTTING INSTRUCTION GENERAL CAUTION • Read the ECHO “CHAIN SAW SAFETY MANUAL” included with your chain saw for additional cutting and safety instructions. • Wear suitable hearing pro tection such as earmuffs or earplugs to protect against objectionable or uncomfortable loud noises. • Do no t let the tip of the ba r touch anything while the engine is running. At cutting speed the chain is moving at a high rate of speed. Should the tip contact a limb or log while the chain
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FELLING THE TREE 3 m (10 feet) Retreat warning Direction of fall A falling tree can seriously damage anything it may 45° hit - a car, a house, a fence, a power line, or another tree. There are ways to make a tree fall where you 45° want it, so first decide where that is! Not this way Retreat Before cutting, clear the area around the tree. You will need good footing while working and you should be able to work the saw without hitting any obstacles. Next, select a path of retreat.
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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 kickback, you may not have enough control to prevent possible injury. BUCKING Bucking is the sawing of a log or fallen tree into smaller pieces. There are a few basic rules which apply to
