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Chain Saw Instruction Manual MODEL : CS-330MX4 WARNING Read rules for safe operation and instructions carefully. ECHO provides an Instruction Manual and a Safety Manual. Both must be read and understood for proper and safe operation. X750010720 X7503243100 06/07...
® The Kick Guard device is not installed on the nose of the guide bar contact a log, branch, or guide bar when you purchase your ECHO chain saw. The Kick Guard ® can be used in a majority of...
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19. Spark arrestor mufflers approved to SAE Stan- dard J335b are Standard on ECHO Chain 13. When cutting a limb that is under tension, be saws to reduce the possibility of forest fires.
After opening the carton, check for damage. Immediately notify your retailer or ECHO Dealer of damaged or missing parts. Use the contents list to check for missing parts.
16” 16AOED3757 OREGON 91VG instruction manual. * If a decal cannot be read, a new one can be ordered from your ECHO dealer. REPARATION FOR KICK GUARD® TO BAR INSTRUCTIONS ® For saws with Kick Guard P/N 2894901 and symmetri- cal or asymmetrical low-kick type guide bars.
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GUIDE BAR AND SAW CHAIN-INSTALL/ REMOVE WARNING Saw Chain is sharp! Always wear gloves when handling assembly, otherwise serious personal injury may result. 1. Move chain brake lever (G) fully rearward to unlock chain brake. IMPORTANT Always loosen guide bar nuts before turning chain tension adjuster, otherwise clutch cover and tensioner will be damaged.
FUEL STATEMENT WARNING Alternative fuels, such as E-20 (20% ethanol), E-85 (85% ethanol) or any fuels not meeting ECHO requirements are NOT approved for use in ECHO 2-stroke gasoline engines. Use of alternative fuels may cause performance prob- lems, loss of power, overheating, fuel vapor lock, and unintended machine operation, including, but not limited to, improper clutch engagement.
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Emission Defect Warranty Explanation.) IMPORTANT Echo premium Power Blend X Universal 2-Stroke Oil may be mixed at 50:1 ratio for application in all Echo engines sold in the past regardless of ratio specified in those manuals. Handling Fuel WARNING Fuel is VERY flammable.
• Use bar and chain oil of high quality for this purpose. • Do not use used or reclaimed oil to avoid various oiler problems. • Use ECHO bar and chain oil. • When ECHO bar and chain oil is not available: Use motor oil, etc. FUEL TANK OIL TANK •...
8. After engine starts, wait 5 seconds then depress and release throttle trigger (D). Allow unit to warm up at idle for several minutes. NOTE Do not pull starter rope out to the maximum possible position. Do not allow recoil handle to snap back against the casing. STARTING WARM ENGINE 1.
NOTE If engine does not stop, move ignition/choke lever forward to choke position ( ) to stop engine. Return the unit to your authorized ECHO dealer to check and repair stop switch before starting the engine again. UTTING NSTRUCTIONS GENERAL WARNING Read the ECHO “CHAIN SAW SAFETY MANUAL”...
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WARNING Do not let the tip of the bar touch anything while the engine is Kickback 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 is moving, the tip will be pushed upward with considerable force.
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LIMBING Limbing a fallen tree is much the same as bucking. Never limb on the tree that you are standing. When limbing, cau- tion is the word. Be careful of the tip touching other limbs. Always use both hands. Don’t cut with the saw overhead or the bar in a vertical posi- tion.
ECHO Service Dealer for maintenance. To help you decide whether you want to DO-IT-YOURSELF or have the ECHO Dealer do it, each maintenance task has been graded. If the task is not listed see your Echo dealer for repairs.
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MAINTENANCE INTERVALS t l i & l l i AIR FILTER 1. Close choke (Cold Start Position [ ]). This prevents dirt from entering the carburetor throat when the air filter is removed. Brush accumulated dirt from air cleaner area. 2.
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OIL STRAINER • Check periodically. 1. Do not allow dust to enter oil tank. 2. Clogged oil strainer will affect the normal lubricating system 3. Using a wire bent into the shape of a hook, pull strainer out through oil port and inspect strainer. 4.
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SPARK PLUG • Check periodically. IMPORTANT Use only NGK BPM-8Y spark plug (BPMR-8Y in Canada) otherwise severe engine damage may occur. 1. Remove air cleaner cover. 2. Remove spark plug lead and spark plug. 3. Gap = 0.65 mm (0.026 in) 4.
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3 months or 90 hours of operation in order to maintain this engine within the emissions durability period. ECHO strongly recommends that you return your unit to your ECHO dealer for this important maintenance service. CARBURETOR ADJUSTMENT...
Chain and guide bar gauge size must be identical. Use Bar/Chain combinations shown in table above. IMPORTANT If your kick guard is damaged or lost, contact your Echo dealer for a replacement. For the name of the Echo dealer nearest you, Call: 1-800-432-ECHO (3246) or on the web at www.echo- usa.com.
For setting saw chains, round file (4 mm ø: 5/32”) and flat file are used. • To keep correct position and correct angle, use the file holder. - Round file and flat file are available from your Echo Dealer. • File cutters as below.
ROUBLESHOOTING Poor performance of the engine and/or cutting mechanism can normally be prevented by carefully following these instructions. Poor performance can easily be corrected even by a beginner. When the engine does not function properly check the following three (3) points first. •...
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Table 2 Improper fuel used ........Use fuel with correct mixing ratio. Never use gasoline of poor quality. Spark plug defective (worn) ......Replace. Engine overheated As cooling fins clogged, air does not pass well ........Clean fins. Excessive deposits in combustion chamber ........
You should inquire through local government offices, your employer or your local dealer to ensure that your chain saw conforms to the required safety standard. Echo chain brakes have been designed and tested to comply with international safety standards as follows.
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INSTALLATION • Start the engine on a solid level surface and run at a fast • Echo recommends that the chain brake should be idle until warm. serviced by an authorized Echo servicing dealer. • Hold the saw firmly by the handles and accelerate the engine to a fast idle.
• Purchasing from your Echo Dealer. • Manuals are available by sending a written request stating the model number and serial number of your Echo unit, part number of the manual, your name and address, and mail to the address below.