Table of Contents
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Table of Contents
Related Manuals for Shindaiwa 491s
Summary of Contents for Shindaiwa 491s
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Page 1: Chain Saw
OPERATOR’S mAnuAl chAin SAw 491s WARNING Read the instructions carefully and follow the rules for safe operation. Failure to do so could result in serious injury. echo PoWeR eQUIPMeNT (cANADA) 501 Newbold Street, London, Ontario Canada N6E 1K4 X750 331-140 1... -
Page 2: Rules For Safe Operation
10. Beware of carbon monoxide poisoning. D. When cutting a limb that is under tension Operate the chain saw in well-ventilated is alert for spring-back. areas only. Copyright © 2015 All Rights Reserved. 491s... -
Page 3: Table Of Contents
The enclosed message provides information CAUTION necessary for the protection of the unit. 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. 491s... - Page 4 PARTS” section will help you locate them. Make sure the decal is legible and that you understand and follow the instructions on it. If a decal cannot be read, a new one can be ordered from your shindaiwa dealer. 491s...
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Page 5: Packing List
PACKING LIST The shindaiwa product you purchased has been After opening the carton, check for damage. factory pre-assembled for your convenience. Immediately notify your retailer or shindaiwa Due to packaging restrictions, guide bar and saw Dealer of damaged or missing parts. -
Page 6: Nomenclature Of Parts
CAUTION: For safe operation follow all safety precautions and instructions in Operator’s Manual. (Replacement * If a decal cannot be read, a new one can be manuals are available from your ECHO dealer.) ordered from your shindaiwa Dealer. Hold chain saw firmly with both hands. 491s... - Page 7 10 Chain tension adjuster - Device to adjust chain tension. 11. Chain catcher - A projection designed to reduce the risk of the operator’s right hand from being hit by a chain which has broken or derailed from the guide bar during cutting. 491s...
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Page 8: Operator Safety
If this guideline is not followed, hearing loss can numbness in the fingers. occur. shindaiwa recommends wearing hearing The following precautions are strongly recommended because the minimum exposure protection at all times. -
Page 9: Spark Arrestor Muffler
Reduced radius belongs on top tested to comply with international safety standards as follows. -
Page 10: Preparation For Use
Clutch cover Guide bar adjuster hole Nuts 5. Install the clutch cover over the guide bar studs. Ensure chain tension adjuster pin fits into the guide bar adjuster hole. Tighten clutch cover nuts finger tight. 491s... - Page 11 5. Pull the chain around the bar by hand. Loosen the adjustment if you feel tight spots. 6. When chain is properly tensioned, tighten clutch cover nuts securely - 20 to 23 N·m (200 to 230 kgf·cm). 7. Keep chain properly tensioned at all times. 491s...
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Page 12: Fuel And Lubricant
ISO-L-EGD (ISO/CD 13738) and JASO M345-FD Standards must be used. IMPORTANT shindaiwa Red Armor™ 2-Stroke Oil is strongly • shindaiwa Red Armor™ engine oil may recommended as it meets this standardand be mixed at 50 : 1 ratio for application in all... -
Page 13: Chain Lubricant
• Use bar and chain oil of the following grades: SAE No. 30 ..in summer SAE No. 10 ..in winter or when cutting resinous trees Oil tank cap Fuel tank cap • When refueling, also refill chain oil. 491s... -
Page 14: Emission Data
EMISSION COMPLIANCE PERIOD: 300 Hours THIS ENGINE MEETS U.S. EPA EXH/EVP EMISSION only applicable to fuel tanks. REGULATIONS FOR MODEL YEAR * * * * REFER TO OWNER’S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. * * * ? ? ? ? 491s... -
Page 15: Operation
(Chain brake unlocked position) • Never use fast idle throttle latch for cutting. Use the fast idle throttle latch only in starting. • Use the chain brake only in starting or in emergencies. Starter handle Unlock chain brake 491s... - Page 16 • Choke may be used if necessary, but after first firing sound, pull throttle trigger to release choke. Starter handle • After starting the engine, pull front hand guard towards the operator immediately. Unlock chain brake (Chain brake unlocked position) 491s...
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Page 17: Checking Chain Tension
NOTICE If engine does not stop, pull choke control knob out fully to stop engine. Throttle trigger Return the unit to your authorized shindaiwa Dealer to check and repair stop switch before starting the engine again. CHECKING CHAIN TENSION • Chain tension should be checked frequently during work and corrected as necessary. -
Page 18: Cutting Instruction
Some material may adversely affect the housings of your chain saw. (Example palm Tree Acid, fertilizer etc.) To avoid housing deterioration, carefully remove all packed sawdust around clutch and guide bar area and wash with water. Coat metal parts with light oil. 491s... - Page 19 Then remove the saw for the second cut. Insert the saw in the first cut, very carefully so as not to cause kickback. The final cut is made by drawing the saw forward in the cut to reach the hinge. 491s...
- Page 20 • The chain saw industry and government agencies have attempted to prescribe various safety devices, but the best protection is to avoid kickback. • Comply with the safety precautions as listed in this Manual and Safety Manual. 491s...
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Page 21: Chain Brake Operation
• When using throttle latch at starting, keep the chain brake locked. And after starting the engine, unlock the brake immediately. IMPORTANT Do not allow the saw to tip forward in order to avoid damage to the chain. 491s... -
Page 22: Automatic Chain Brake
NOTICE For operation at normal temperature, return the Air shutter air shutter to its original position (with the sun Cold weather position mark facing up). (5°C) (snowman mark) It causes over heating of the engine. 491s... -
Page 23: Chain And Guide Bar Combination
CHAIN AND GUIDE BAR COMBINATION The following combinations are recommended for model 491s. Guide bar Saw chain shindaiwa Part No. shindaiwa Part No. Length mm (in.) Pitch mm (in.) Links 406 (16) S16F0AD3366 S20BPX66CQ 457 (18) S18F0AD3372 8.26 (0.325) S20BPX72CQ... -
Page 24: Maintenance And Care
Allow unit Dealer do it, each maintenance task has been to cool before performing service. Wear graded. If the task is not listed ask your shindaiwa gloves to protect hands from sharp edges Dealer for repairs. -
Page 25: Carburetor Adjustment
Or ¼ turn counterclockwise from the point 330 m ASL, the carburetor must be readjusted the chain stops moving. when operating the engine below 330 m ASL, When you experience trouble with the otherwise severe engine damage may result. carburetor, contact your dealer. 491s... -
Page 26: Check Fuel System
• Wash the oil tank and filter element with an approved solvent. • If damage or deterioration is noted on the oil suction line, the saw must be removed from service until it can be inspected by a shindaiwa- trained service technician. 491s... -
Page 27: Guide Bar
When the screw touches stopper and stops, Adjusting screw this position indicates maximum discharge volume. (16.5 mL/min at 7000 r/min) - Do not turn the adjusting screw beyond the maximum or minimum limit of volume adjustment. 491s... -
Page 28: Setting The Saw Chain
• For setting saw chain, round file 4.8 mm (3/16 in.) diameter and flat file are used. • To keep correct position and correct angle, use Keep this angle ® the file holder (Sure Sharp 30° Push file as shown 10° Hold the file tipped 10° upward 491s... - Page 29 - If the saw chain becomes soiled with resin, for instance, clean it with kerosene and soak in it oil. NOTICE Parallel These angles are referred to as Oregon S20BPX. To sharpen other follow chain manufacturer’s Depth gauge instruction. 491s...
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Page 30: Troubleshooting
No fuel at • Fuel filter clogged • Clean or replace cranks carburetor carburetor • Fuel line clogged • Clean • Ask your shindaiwa Dealer • Carburetor Fuel at No fuel at • Carburetor • Ask your shindaiwa Dealer cylinder cylinder Muffler wet with •... -
Page 31: Storage After Use
Operator's Manual and the Safety Manual. • If this Operator' Manual or the Safety Manual has become illegible or is lost, please purchase a new one from your shindaiwa Dealer. IMPORTANT Acids from decaying palm tree sap may corrode crankcase and oil tank housings made of aluminum and magnesium alloys. -
Page 32: Technical Data
Recoil starter Power transmission Automatic centrifugal clutch Fuel Mixture ratio 50 : 1 ratio with shindaiwa Red Armor™, ISO-L- EGD (ISO/CD 13738) and JASO M345-FD two- stroke, air-cooled engine oil. Gasoline Use 89 octane unleaded. Do not use fuel containing methyl alcohol, more than 10 % ethyl alcohol or 15 % MTBE. -
Page 33: Warranty Statements
The owner shall demonstrate reasonable care and use, and follow preventative maintenance, storage, fuel and oil usage as prescribed in the operator’s manual. Should a product difficulty occur, you must, at your expense, deliver or ship your shindaiwa unit to an authorized shindaiwa servicing dealer for warranty repairs (within the applicable warranty period), and arrange for pick-up or return of your unit after the repairs have been made. - Page 34 89 octane or higher. Gasohol which contains a maximum 10 % ethanol (grain alcohol) or 15 % MTBE (methyl/ tertiary/butyl/ether) is also approved. The prescribed mixing ratio of gasoline to oil is listed on the shindaiwa oil label and covered in your operator’s manual.
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Page 35: Warranty Registration Sheet
WARRANTY REGISTRATION SHEET Thank you for choosing shindaiwa Power Equipment Please go to http://www.shindaiwa.com to register your new product on-line. It’s FAST and EASY! NOTE: your information will never be sold or misused by ECHO, Inc. Registering your purchase enables us to contact you in the unlikely event of a service update or product recall, and verifies your ownership for warranty consideration.