Shindaiwa 488 Owner's Manual
Contents
1. 825 pitch 050 gauge Shindaiwa Premium Bar amp Chain Oil or equivalent 0 60 liter 20 2 02 0 30 liter 10 1 oz Special anti vibration handles front and rear handles independently vibration dampened Safety Devices lt s se Front guard rear guard throttle lock chain stop Fuel Tank Capacity Oil Tank Capacity Handle chain brake and chain catcher Weight less bar and Chain weee 4 6kg 10 2 Ibs Specifications subjet to change without notice Tools included E Screwdriver E Spark plug 13mm socket wrench WARNING Do not make unauthorized modifications to this saw guide bar or chain RECOMMENDED BAR AND CHAIN COMBINATIONS Oregon Oregon Oregon Chain Type 33SL 16 33SL 187 33SL 20 488 Guide Bar 16 Double Guard 18 Double Guard 20 Double Guard Sprocket Nose Bar Sprocket Nose Bar Sprocket Nose Bar B176 1 kickback performance requirements and or be desig nated as low kickback chain per ANSI B175 1 1991 standards 1 Replacement chain for this saw must meet applicable ANSI WARNING NOILdIHOS3G KICKBACK SAFETY WARNING Kickback can happen lightning fast This saw is equipped with the following safety equipment 1 Manual chain brake 2 Low kick chain 3 Guard tip bar E Activating the chain brake tightens a brake band around th2. OWNER S MANUAL SHINDAIWA MODEL 488 _CHAIN SAW Always wear eye protection when operating this machine To minimize the risk of injury read and follow this manual and familiarize yourself WARNING with its contents Your Shindaiwa 488 488P chain saw is equipped r with a spark arrester muffler Do not run the machine without the spark arrester screen in place This engine meets U S EPA PHASE 1 emission regulations for utility and lawn and garden equipment This engine is certified to operate on a 40 1 mixture consisting of unleaded gasoline and 2 cycle engine mixing oil only Please refer to this manual for ail maintenance specifications and adjustments INTRODUCTION CONTENTS This Shindaiwa 488 saw was designed and built to deliver superior performance and reliability without compromise to guality comfort safety or durability Shindaiwa high performance engines represent the leading edge of 2 cycle engine technology and deliver exceptionally high power at remark ably low displacement and weight As a professional owner operator you ll soon discover why Shindaiwa is simply in a class by itself g IMPORTANT The information contained in this manual describes machines available at the time of production While every attempt has been made to give you the very latest information about your Shindaiwa 488 chain saw there may be some differences between your saw and what is described here Shi
3. The saw chain will turn as the engine accelerates 4 Operating the throttle will automatically disengage the fast idle setting If the engine does not start Repeat the appropriate starting proce dures for hot or cold engine If the engine still will not start follow the Starting a Flooded Engine procedure on the following page Stopping Tum switch OFF after idling at low speed for 1 to 2 minutes STARTING A FLOODED ENGINE 1 2 3 Access to 488 spark plug requires removing air filter cover Remove the air filter cover discon nect the spark plug lead and use the spark plug wrench to remove the spark plug in a counter clockwise direction Remove spark plug NOTE SS See If the spark plug is fouled or soaked with fuel clean or replace as required For correct spark plug size and gapping procedure see page 24 Clear excess fuel from the combustion chamber by cranking the engine several times while the spark plug is removed Replace the spark plug and then reconnect the spark plug lead Repeat the starting procedures for warm engine If the engine still fails to fire or start refer to the thoubleshooting chart at the end of this manual 15 0 9 m a gt a O Z CARBURETOR ADJUSTMENTS Idle speed adjustment Adjusting screw Fuel mixture AA aimn A IMPORTANT Befor
4. and repair or replace components as required IMPORTANTI The drive sprocket and saw chain loop should always be replaced as a set For economy rotate the same 2 3 chains daily When these chains are worn out replace both the chains and drive sprocket at the same time 24 1 Replace the spark plug with a Champion CJ6Y or NGK BPMRTA or equivalent gapped to 0 024 0 6mm 2 Extract the fuel filter from inside the fuel tank and then remove and wash the filter element in clean fuel Before reinstalling the filter inspect the condition of the fuel line If damage or deterioration are noted the saw must be removed from service until it can be inspected by a Shindaiwa trained service technician Fuel filter 8 Extract the oil filter from inside the oil tank and then wash the filter element in clean fuel as above If damage or deterioration are noted on the oil suction line the saw must be removed from service until it can be inspected by a Shindaiwa trained service technician SPARK ARRESTOR MAINTENANCE Arrestor screen Cover screws Muffler body do not remove Hard starting or a gradual loss of per formance can be caused by carbon deposits lodged in the muffler s spark arrestor screen For maximum perfor mance the arrestor screen should be periodically removed and cleaned with asmall wire brush CAUTION Carbon deposits in the combustion chamber or exhaust por
5. engage and stop the saw chain during this test DO NOT OPERATE THE SAW Return the saw to your dealer for repairs 18 WARNING Never attempt to adjust the chain brake while the engine is running Chain Brake Maintenance Keep the brake mechanism clean and free of sawdust or debris e If the chain brake becomes damaged or worn or fails to completely engage or release the clutch drum return the saw to your dealer for repairs A d CAUTION Never start or operate this saw while the chain brake is activated e Never carry the saw by the brake lever Carry the saw by the front handle e Always stop the saw and disengage the chain brake before removing or replacing the clutch cover e Never make carburetor adjustments while the chain brake is engaged CUTTING WITH THE SAW IMPORTANT Always use full throttle while cutting Keep the chain sharp and let the saw do the work Forcing the saw into the work reduces cutting performance and can damage the saw through overheating A THINK SAFETY Clear a safe Stop the saw before moving it to work area or from the work area before cutting Wear eye protection such as a face shield or goggles during cutting Always wear gloves when operating this saw Use full throttle while cutting and apply only enough bar pressure to maintain engine speeds of 9000 10 000rpm Wear close fitting clothing to protect
6. of components affecting emission control you should assure yourself that such parts are warranted by their manufacturer to be equivalent to the parts authorized by Shin Daiwa Kogyo Co Ltd in their performance and durability OBTAINING WARRANTY SERVICE All repairs qualifying under this limited warranty must be performed by a dealer authorized by Shin Daiwa Kogyo Co Ltd If any emission related part is found defective during the warranty period it is your responsibility to present the product to an authorized Shindaiwa Dealer Bring your sales receipts showing the date of purchase for this engine The dealer authorized by Shin Daiwa Kogyo Co Ltd will perform the necessary repairs or adjustments within a reasonable amount of time and furnish you with a copy of the repair order All parts and accessories replaced under this warranty become the property of Shin Daiwa Kogyo Co Ltd To locate an authorized Shindaiwa Dealer nearest you contact your Shindaiwa Distributor For the name and telephone number of the Shindaiwa Distributor in your area please call Shindaiwa Ine at 603 692 3070 between the hours of 8 00 AM and 6 00 PM Pacific Standard Time THIS WARRANTY IS ADMINISTERED BY Shindaiwa Inc 11976 S W Herman Rd Tualatin OR 97062 603 692 3070 Shindaiwa inc P O Box 2810 Tualatin Oregon 97062 Telephone 503 692 3070 FAX 503 692 6696 Shindaiwa Kogyo Co Ltd Head Office 6 2 11 Ozuka Nishi
7. rich or too lean Idle speed set too low Adjust 2600 3000 RPM Engine stops Switch turned off Set the switch to ON abruptly and re start Fuel tank empty Refuel Clogged fuel filter Clean or replace filter as required Water in the fuel Drain replace with clean fuel Shorted spark plug or Clean or replace spark plug loose terminal Tighten the terminal Ignition failure Replace the ignition unit Piston seizure Return saw to dealer Engine difficult Ground stop wire is Test and replace as required to shut off disconnected or switch is defective _ Overheating due to Correct plug incorrect spark plug Champion CJ6Y Overheated engine Idle engine until cool Chain rotates Engine idle too fast Set idle 2600 3000 RPM at idle speed ii Broken clutch spring or Replace spring shoes as shoe required Excessive Worn or damaged Inspect and replace chain vibration sprocket chain or bar components as required 30 Bent crankshaft Return saw to dealer Shin Daiwa Kogyo Co Ltd Federal Emission Design And Defect Limited Warranty Utility And Lawn And Garden Engines Shin Daiwa Kogyo Co Ltd warrants to the initial purchaser and each subsequent owner that this utility equipment engine herein engine is designed built and equipped to conform at the time of initial sale to all applicable regulations of the U S Environmental Protection Agency EPA and that the engine is free of defects in m
8. 1 Squeeze the throttle trigger 2 Depress the throttle lock slide switch 3 toward the lock lever and release the throttle lever wo Control Positions warm engine 1 Move the ignition switch to the I ON position 2 Choke contro should be all the way in choke is open 3 Set the throttle to fast idle as above IMPORTANT The throttle lever cannot be moved without first depressing the lock lever 13 fo U m 9 gt a e Z STARTING AND STOPPING THE SAW Firm grip Place foot in rear handle 1 Place the saw on the ground 2 Secure the saw by placing your right foot inside the rear handle and your left hand firmly on the front handle as shown 3 Grip the starter handle with your right hand Pull the starter cord slowly until you feel the starting mechanism engage then 4 Start the saw by pulling the starter cord upward rapidly A The recoil starter can be damaged by abuse e Never pull the starter cord to its full length CAUTION Always engage the starter before cranking the engine Always rewind the starter cord slowly When the engine fires 1 Push the choke control in to its original position choke is open 2 Ifthe engine did not continue to run pull the recoil again 3 As the engine starts clear excess fuel from the combustion area by revving the engine several times j4 WARNING
9. Asaminami Ku Hiroshima 731 3167 Japan Telephone 81 82 849 2220 FAX 81 82 849 2481 1999 Shindaiwa Inc Shindaiwa Is a registered trademark of Shindaiwa Incorporated Printed in Japan P N 72385 93112
10. Chain Brake Inspection engine off Before inspecting the chain brake stop the saw and remove the clutch cover and clean any dirt or debris from the chain brake mechanism Reassemble the clutch cover to the saw and use the following procedure to test for proper adjustment 1 Turn the engine off and verify that the ignition switch is in the O or off position 2 Engage the chain brake by manual ly pushing the brake lever forward to position 2 brake is engaged 3 While wearing heavy gloves attempt to rotate the saw chain Grasp the chain behind one of the cutters Attempt to push the chain around the bar 4 If the chain cannot be rotated no further adjustment is required If any chain movement is possible go to Adjustment next page 17 NOILYYJdO CHAIN BRAKE OPERATION AND SERVICE Clockwise Adjustment 1 Disengage the chain brake position 1 Use a screwdriver to tighten the chain brake adjusting screw 2 4 turns in a clockwise ratation 2 Repeat steps 14 and readjust as necessary until the chain cannot be rotated while the brake lever is in the 2 engaged position 3 Start and briefly accelerate the saw to verify that the saw chain will not rotate when the brake lever is moved to the 2 position WARNING The above testing proce dure must cause the chain brake to engage and stop the saw chain If the chain brake does not fully
11. from rolling or shifting logs Downed timber may shift or roll unpredictably during cutting or handling operatinos 22 Limbing a standing tree is usually accomplished in the same manner as bucking with a third and final cut used to remove the remaining stub of the limb WARNING Kickback danger increases in over height or out of position cutting Do not overreach or attempt to cut above shoulder height E When cutting unsupported logs or limbs starting with an underbuck cut will minimize the possibility of the wood splitting during the bucking cut ROUTINE MAINTENANCE MAINTENANCE REPLACEMENT OR REPAIR OF EMISSION CONTROL DEVICES AND SYSTEMS MAY BE PERFORMED BY ANY REPAIR ESTABLISHMENT OR INDIVIDUAL HOWEVER WARRANTY REPAIRS MUST BE PERFORMED BY A DEALER OR SERVICE CENTER AUTHORIZED BY SHIN DAIWA KOGYO CO LTD THE USE OF PARTS THAT ARE NOT EQUIVALENT IN PERFORMANCE AND DURABILITY TO AUTHORIZED PARTS MAY IMPAIR THE EFFECTIVENESS OF THE EMISSION CONTROL SYSTEM AND MAY HAVE A BEARING ON THE OUTCOME OF A WARRANTY CLAIM WARNING Before performing any maintenance on this saw stop the engine and discomnect the spark plug wire Daily Maintenance 1 Remove dirt and debris from the saw exterior cylinder fins and cooling air intake Remove all debris 2 Inspect the saw for fuel and oil leaks and repair as necessary 8 Service the air filt
12. or any person unfamiliar wit chain saws to operate this saw 9 When repairing or servicing this saw use only genuine Shindaiwa replacement parts 10 Do not operate this or any other chain saw with the muffler removed 11 Never allow other persons to be near the chain saw while the saw is operating Keep bystanders and animals out of the work area 12 When transporting your saw use the appropriate guide bar scabbard 13 Keep all parts of your body away from the saw chain when the engine is running 14 15 16 17 18 19 20 21 A WARNING Do not operate a chain saw that is damaged is improperly adjusted or is not completely and securely assembled Be sure the chain stops moving when the throttle trigger is released Turn the engine OFF before setting the saw down Use extreme care when cutting small brush and saplings slender material may catch in the saw chain and be whipped toward you or pull you off balance When cutting a limb that is under tension be alert for springback so that you will not be struck by the moving limb Operate the saw only in well ventilated areas Never operate any chain saw in a tree unless you have been specifically trained to do so Never operate a saw that has damaged or missing anti vibration cushions isolators Long term exposure to vibration can damage your hands Wear suitable hearing protection while opera
13. or reclaimed oil 12 Counter clockwise to increase Oil Pump Adjustment Guide bar and saw chain lubrication is automatically provided by an adjustable rate oil pump designed to operate whenever the clutch drum rotates A temporary increase in oil flow rate is often desirable when cutting hardwoods or large diameter soft woods and can be provided as follows 1 Stop the saw and verify that the engine stop switch is in the OFF position 2 Place the saw on its side with the clutch cover facing up 3 Use a screwdriver to turn the oil flow rate adjustment screw Clockwise to decrease bar amp chain lubrication Counter clockwise to increase bar amp chain lubrication STARTING AND STOPPING THE SAW Ignition switch Pull fo choke WARNING The saw chain will rotate when the saw is started The saw chain can cause serious injury Clear a safe work area before start ing this saw IMPORTANT The engine ignition is controlled by a two position ON OFF switch located near the throttle lever on the rear handle The ignition switch is typically labelled 1 for ON and O for OFF Control Positions cold engine 1 Move the ignition switch up to the T ON position 2 Choke the engine by pulling the choke control to its fully extended position choke is closed Set the throttle to fast idle First depress the throttle lock lever
14. TION A Minimize the risk of fire e Never attempt to refuel a hot saw Always allow the saw to cool before fueling open the fuel cap slowly to release any pressure within After fueling wipe all spilled fuel and move the saw at least 10 feet 3 meters from the fueling point before restarting Never smoke or light any fires near the saw or fuels Never place flammable material close to the engine muffler Never operate the saw without the muffler and spark arrestor in place and properly functioning 11 o U m pej gt 3 fa z BAR OIL FILLING WITH OIL Oil Requirements e When available use Shindaiwa Premium bar amp chain oil When Shindaiw oil is not available use a premium 30 weight oil specifically blended for bar amp chain lubrication For cold weather operation bar oil may be thinned by mixing with clean kerosene at a ratio of 1 1 Filling the Oil Reservoir e Place the saw on its side clutch cover down and wipe any chips or debris from around the oil cap Remove the oil cap at the front of the saw e Fill the oil reservoir with bar amp chain oil and replace the cap e Wipe spilled oil from handles and controls before starting the saw CAUTION Proper lubrication is criti cal to the performance and service life of your saw s oil pump guide bar and saw chain Always use a high quality lubricating oil designed for saw chain lubrication Never use dirty
15. _ Good ee NO compression YES Does the tank NO contain fresh fuel of the proper grade VES y Is fuel reaching NO the cylinder and combustion chamber YES Is there spark at NO the spark plug wire terminal YES Check the spark NO plug 28 Possible cause Faulty recoil starter Fluid in the crankcase Internal damage Loose spark plug Excess wear on cylinder piston rings Stale or contaminated fuel mixture Check for clogged fuel filter and or vent Is the ignition switch ON Faulty ignition ground Faulty transistor unit If the plug is wet excess fuel may be in the cylinder The plug may be fouled or improperly gapped The plug may be damaged internally or may be the wrong size Remedy Return saw to dealer Tighten and re test Return saw to dealer Drain and re fill with fresh fuel of the correct mixture Gasoline and Shindaiwa Premium 2 cycle Engine Oil 40 1 ratio Clean as required and re start Move switch to ON and re start Return saw to dealer Crank the engine with the plug removed replace the plug and re start Clean and re gap the plug to 0 024 inch 0 6mm Re start Replace the plug with a Champion CJ6Y NGK BPMR7A for 488 EMC Re start TROUBLESHOOTING LOW POWER OUTPUT What to check Is the engine overheating Possible cause Operator is overworking the machine Carburetor mixture is too le
16. an Improper fuel ratio Fan fan cover cylinder fins dirty or damaged Carbon deposits on piston or in the muffler Remedy Cut at a slower rate Sharpen chain as required Return saw to dealer Re fill with fresh fuel of the correct mixture Shindaiwa Premium 2 cycle Engine Oil and gasoline 40 1 ratio Refer to page 11 Fuels Clean repair or replace as necessary Decarbonize combustion chamber Engine is rough Clogged air cleaner Service the air cleaner at all speeds z May also have Loose or damaged Tighten or replace black smoke spark plug and or i unburned Air leakage or clogged Repair or replace fuel fuel at the fuel line filter and or fuel line exhaust Water in the fuel Replace the fuel Piston seizure Return saw to dealer Faulty carburetor and or Return saw to dealer diaphragm Engine is Overheating condition See above knocking Improper fuel Check fuel octane rating check for presence of alcohol in the fuel Refuel as necessary Carbon deposits in the Decarbonize return to deater 29 TROUBLESHOOTING Symptom Possible cause Remedy Poor Clogged air cleaner Clean the air cleaner element accelerati kaa Clogged fuel filter Replace the fuel filter Chain brake engaged Inspect and or adjust brake Return to dealer as required Carburetor mixture too Return saw to dealer
17. aterials and workmanship that would cause this engine to fail to conform with EPA regulations during its warranty period This emission warranty is applicable in all States except the State of California For parts listed under PARTS COVERED the dealer authorized by Shin Daiwa Kogyo Co Ltd will at no cost to you make the necessary diagnosis repair or replacement of any defective emission related component necessary to ensure that the engine complies with applicable U S EPA regulations MANUFACTURERS WARRANTY COVERAGE When sold within the U S this engine s emission control system is warranted for a period of two 2 years from the date this product is first delivered to the original retail purchaser OWNER S WARRANTY RESPONSIBILITIES As the engine owner you are responsible for the performance of the required maintenance listed in your owner s manual Shin Daiwa Kogyo Co Ltd recommends that you retain all receipts covering maintenance on your engine but Shin Daiwa Kogyo Co Ltd cannot deny a warranty claim solely for the lack of receipts or for your failure to ensure the perfomance of all scheduled maintenance As the engine owner you should however be aware that Shin Daiwa Kogyo Co Ltd may deny your warranty coverage if your engine or a part has failed due to abuse neglect improper maintenance or unapproved modifications You are responsible for presenting your engine to the nearest dealer autho
18. d maintenance services d diagnosis and inspection fees that do not result in eligible warranty service being performed and e any non authorized replacement part or malfunction of authorized parts due to use of non authorized parts MAINTENANCE AND REPAIR REQUIREMENTS You are responsible for the proper use and maintenance of the engine You should keep all receipts and maintenance records covering the performance of regular maintenance in the event questions arise These receipts and maintenance records should be transferred to each subsequent owner of the engine Shin Daiwa Kogyo Co Ltd reserves the right to deny warranty coverage if the owner has not properly maintained the engine Shin Daiwa Kogyo Co Ltd will not deny warranty repairs however solely because of the lack of repair maintenance or failure to keep maintenance records MAINTENANCE REPLACEMENT OR REPAIR OF EMISSION CONTROL DEVICES AND SYSTEMS MAY BE PERFORMED BY ANY REPAIR ESTABLISHMENT OR INDIVIDUAL HOWEVER WARRANTY REPAIRS MUST BE PERFORMED BY A DEALER OR SERVICE CENTER AUTHORIZED BY SHIN DAIWA KOGYO CO LTD THE USE OF PARTS THAT ARE NOT EQUIVALENT IN PERFORMANCE AND DURABILITY TO AUTHORIZED PARTS 32 MAY IMPAIR THE EFFECTIVENESS OF THE EMISSION CONTROL SYSTEM AND MAY HAVE A BEARING ON THE OUTCOME OF A WARRANTY CLAIM if other than the parts authorized by Shin Daiwa Kogyo Co Ltd are used for maintenance replacements or for the repair
19. djustments for Low Speed L Adjusting Screw After adjusting the low speed screw according to the number shown above continue to turn gently either to right or to left so that engine rotation may be accelerated Continuing to tun will result in engine rpm decrease Return to the position just before this slow down and set at this point If necessary readjust the idle speed screw for an engine idle speed of 2600 3000 rpm High Speed H Adjustment No adjustment is necessary when the saw isnew After approximately 10 hours use rotare the H needle clockwise to 1 1 4 turns 1 4 turns CHAIN BRAKE OPERATION AND SERVICE CHAIN STOPPED Chain Brake Operation This saw is eguipped with a chain brake designed to stop the saw chain from rotating whenever the brake lever is moved to the forward 2 position 9 Engaging the brake lever causes a brake band to tighten around the clutch drum stopping the saw chain The chain brake is designed to engage whenever the brake lever strikes the operator s hand e The chain brake can also be activated by pushing the brake lever forward manually To release disengage the chain brake pull the brake lever toward you position 1 WARNING The chain brake is installed only to reduce the risk of kickback The chain brake is not a substitute for careful operation IMPORTANT Release the throttle whenever the chain brake is activated
20. e attempting any carburetor adjustments inspect and clean the engine air filter as described on page 23 of this manual Before starting the saw 1 Inspect saw chain tension and adjust if necessary see page 10 2 Verify that the chain brake is disengaged and that the saw chain is free to rotate Start the saw Start the saw and warm the engine to operating temperature Place the saw on the ground and adjust the carbure tor as follows Idle speed adjustment Use a screwdriver to slowly turn the idle speed adjusting screw in or out until the engine idles smoothly at 2600 8000 rpm WARNING The saw chain must never rotate at engine idle speed Low Speed L and High Speed H Adjustment Standard opening 1 EPA only L 0 1 4 turns 2 EMC only L 1 1 4 1 4 H 1 1 4 1 4 EPA only Low Speed Mixture engine idling at operating temperature 16 1 Using a small screwdriver slowly turn the idle mixture screw clockwise lean mixture and note any changes in engine rpm 2 Next turn the idle mixture screw counter clockwise rich mixture and note any changes in engine rpm f 3 Adjust the idle mixture screw to provide the smoothest possible idle with no sacrifice in acceleration 4 If necessary readjust the idle speed screw for an engine idle speed of 2600 3000 rpm High Speed Mixture High speed mixture for the 488 saw is factory set and cannot be adjusted in the field EMC only A
21. e chain drive mechanism stopping all chain rotation The chain brake can be activated man ually and is also designed to activate when kickback energy forces the brake lever against the operator s left hand Bi Low kick chain that can significantly reduce the rotational force of kickback A Guard Tip Bar manufactured with a reduced radius smaller nose This special guide bar can reduce kickback by placing fewer cutters in the kick back zone WARNING To reduce the risk of kickback all of the above devices must be properly installed and in good repair Use of other than ANSI B175 1 combinations may result in reduced kickback protection WARNING Brake engagement and operation depend upon proper adjustment For proper chain brake testing and adjust ment procedures see page 18 KICKBACK SAFETY PRECAUTIONS A WARNING Either of the following reactions Could cause you to lose control of your saw while cutting possibly resulting in serious injury 1 Kickback may occur whenever the nose or tip of the guide bar touches an object or when the wood closes in and pinches the saw chain in the cut Tip contact in some cases may cause a lightning fast reverse reaction kicking the guide bar up and back towards the operator 2 Pinching the saw chain along the top of the guide bar may push the guide bar rapidly back toward the operator Either of these reactions may cause you to
22. e to pinch the saw s guide bar and may also change the direction of fall WARNING Always make your falling cut parallel to the bottom cut An angled falling cut may cause the tree to split possibly changing the direction of fall 21 NOLLVusd0 BUCKING Techniques e If the log is well supported start your cut from the top of the log Keeping the guide bar parallel to the ground cut straight down but do not allow the saw to cut into the ground Cutting downed timber or bucking increases the possibility of the wood setting and pinching the guide bar Driving one or more soft plastic or wooden bucking wedges can help prevent bar pinching during a cut Use two cuts when bucking near the inboard end of an unsupported log 1 Make the first cut as an overbuck approx 1 3 the diameter of the log 2 Finish the job with an underbuck coming up from beneath and joining the first cut Use two cuts when bucking the out board end of an unsupported log Your first cut should be an underbuck cut ting upward through approximately 1 3 the diameter of the tree Finally move to the top of the log and finish the cut by bucking down overbucking to your first cut Second cut overbuck wid dt First cut Ace about 1 3 tree diameter LIMBING First cut Second cut WARNINGI f Always cut downed timber from the uphill side of the wood Be alert for potential injury
23. er Remove the air cleaner being careful not to drop dust in the carburetor Make sure the choke lever is pulled when removing the air cleaner Dust tends to accumulate on the bottom surface Rinse the air cleaner with gasolin or solvent When blowing with air blow from the upper side Working in the reverse order of disassembly re assemble the air filter elements and cover to the saw 4 Sharpen and adjust the saw chain as required 5 Clean the guide bar groove and oil hole and inspect the bar groove and tip for damage or unusual wear Repair or replace worn or damaged components as necessary 6 Inspect the entire saw for damaged loose or missing components or fastenings and repair as necessary 23 SONVNALNIVIN 10 15 HOUR MAINTENANCE 40 50 HOUR MAINTENANCE 1 Remove and clean the spark plug Adjust the spark plug gap to 0 024 0 6mm and reinstall Replace any damaged or visibly worn plug with a Champion CJ6Y or NGK BPMR7A or equivalent Resistor spark plug required for EMC electromagnetic compatibility Gap to 024 6mm CAUTIONI A Never allow chips or other debris to enter the cylinder bore Before removing the spark plug thoroughly clean the spark plug and cylinder head area 2 Remove the guide bar and chain Carefully inspect the drive sprocket for wear or damage and replace if noted Inspect the guide bar grooves and tip for wear or damage
24. ered Chain Saws Safety requirements when tested on the representative sample of chain saws below 3 8 cid specified in ANSI B175 1 1991 5 m a O E a o z ADDITIONAL SAFETY PRECAUTIONS These safety precautions are intend ed primarily for the consumer or occasional user When using this chain saw for logging purposes refer to CFR Section 1910 266 5 2 5 1 of the American National Safety Standard Requirements for Pulpwood Logging ANSI 03 1 1978 and any applicable state safety codes IMPORTANT Read this manual carefully before operating your new Shindaiwa chain saw The following safety precau tions should be observed by all users of chain saws 1 Do not operate a chain saw when you are fatigued 2 Use safety footwear snug fitting clothing protective gloves eye hearing and head protection devices 3 Use caution when handling fuels Move the saw at least 10 feet 8 meters from the fueling point before starting the engine 4 Do not begin cutting until you have a clear work area secure footing and a planned retreat path from the falling tree A WARNING 5 Before you start the engine make sure the saw chain is not contacting anything 6 Carry the chain saw with the engine stopped the guide bar and saw chain to the rear and the muffler away from your body 7 Keep the saw chain sharp and properly adjusted 8 Never allow young children
25. harpened use 1 The depth gauge setting determines adepth gauge joiner Oregon the depth of cut for each cutter p n 22290 or equivalent to measure 2 The cutter s leading edge enters the the height of each depth gauge wood causing the entire cutter to rock back and lift away from the 3 As required use a flat file to lower depth gauges to the appropriate bar s 3 The top plate peels the severed 025 0 635 mm height wood chip away 4 The chip is discharged outthe rear After all depth gauges have been of the cutter adjusted use a flat file to round each depth gauge leading edge to original curvature and angle 25 po Using a filing gauge 45 mm A B gt gt ES 1 2 3 4 IMPORTANT Most of the actual cutting is done by the sides and corners of the individual cutters Sharpening Technique 1 Using the appropriate round file sharpen all cutters to a 25 angle as shown IMPORTANT File all cutters to the same angle and depth Unequal filing may cause the saw to vibrate or cut erratically Using a flat file to round the front be corner on a depth gauge Correct Filling Technigue Correct angle Slightly protruding hook on top plate or point curve on non 0 025 chisel chain gt AR AB mH BE 4 ji ESELA Top of depth gauge O CoCa 0 0 O at correct height zi below top plate Front of Keep all cutter lengths equal depth gauge rounded Fil
26. ling Problems Top plate angle Cause Top plate angle Cause less than File held at less than more than File held at more than recommended recommended angle recommended recommended angle Result Result Slow cutting Requires extra Culting angle is very sharp 20 effort to cut 50 but will dull fast Cutting Remedy action rough and erratic File cutters to recommended Remedy angle File cutters to recommended angle Hook in side Cause Backslopeon Cause plate cutting File held too low or the file side plate File held too high or the file edge was too small cutting edge was too large Result Result Y Rough cutting Chain grabs mN Cutters won t feed into wood Cutters dull quickly or won t Slow cutting Must force hold a cutting edge chain to cut Causes Remedy excessive bottom wear Check file size File cutters Remedy to recommended angle File cutters at recommended angle Check file size High depth Cause Low depth Cause gauge Depth gauge never filed gauge Wrong gauge setting or no a ae Result gauge used Slow cutting Must force Result chain to cut Will cause Rough cuiting Chain grabs excessive wear on the Saw won t pull chain cutter heel through Remedy wood Excessive wear on the Lower gauges to cutter heel amp recommended setting Remedy If depth gauges are too low the chain is no longer serviceable 27 TROUBLESHOOTING What to check Does the engine No crank YES y
27. lose control of the saw which could result in serious personal injury gt Do not rely exclusively upon the safety devices built into your saw As a chain saw user you should take several steps to keep your cutting jobs free from accident or injury 1 With a basic understanding of kickback you can reduce or eliminate the element of surprise Sudden surprise contributes to accidents 2 Keep a firm grip on the saw with both hands the right hand on the rear handle and the left hand on the front handle whenever the engine is running Use a firm grip with thumbs and fingers encircling the chain saw handles A firm grip will help you to reduce kickback and maintain control of the saw Make sure that the area in which you are cutting is free from obstructions Do not let the nose of the guide bar contact a log branch or any other obstructions which could be hit while you are operating the saw Cut at high engine speeds Do not overreach or attempt to cut above shoulder height Follow the manufacture s instructions for sharpening and maintenance of the saw chain Use only the replacement bars and chains or equivalent as specified by the manufacturer Use low kickback chain chain brakes or special guide bars to reduce the risk of kickback Low kickback chain is chain that has met the kickback performance requirements of ANSI B176 1 1991 American National Standard for Power Tools Gasoline Pow
28. lure to align the guide bar and chain tensioner pin can cause serious damage to the clutch cover guide bar tensioner pin and or engine crankcase 1 Use the socket wrench to remove the clutch cover nuts in a counter cloclwise rotation 2 Remove the clutch cover 3 Remove and discard the packing spacer Chain orientation BAR TIPS Top of bar Senta TEESE Hole in guide bar fits OX QO A AAAA i f A rcs over chain tensioner pin Bottom of bar 5 Install the chain loop over the drive sprocket and then align the chain WARNING drive links within the guide bar groove Verify that the cutters are properly oriented and that the chain tensioner pin is aligned as shown If chain installation is difficult or if the chain appears too tight refer to Adjusting the Saw chain page 10 Never operate this saw without the clutch cover installed 6 Install the clutch cover over the bar studs Using finger pressure only install the bar nuts AASINSSSV ADJUSTING THE SAW CHAIN Tum clockwise to tighten the chain extend the guide bar IMPORTAN Proper chain adjustment is essential for maximum performance chain life and operator safety Always inspect chain tension before operating this saw 1 Place the saw on a flat surface and lift the bar nose slightly 2 To adjust chain tension H Tum the chain tension screw clociwise to tighten the chain E T
29. lutch structural damage to the flywheel could occur and could subsequently cause the flywheel to burst i NOLLdIYDS3G NOMENCLATURE Clutch cover Front handle Front guard Choke Throttle interlock button Lock lever Saw chain Chain oil filler cap Throttle lever Recoil starter grip Fuel filler cap Engine shut off switch IMPORTANT The operational procedures described your Shindaiwa chain saw or if you do in this manual are intended to help you not understand something in this man get the most from your machine and ual your Shindaiwa dealer will be glad also to protect you and others from to assist you harm These procedures are general For additional information you may guidelines only and are notintended to also contact Shindaiwa Inc at the replace any additional safety rules or address printed on the back of this laws that may be in force in your area manual If you have any questions regarding 2 SPECIFICATIONS Engine Type Displacement 2 cycle air cooled gas engine 47 9cc 43x33 2 92 cu in Fuel Gasoline oil mixture 40 1 with Shindaiwa Premium 2 cycle engine oil Diaphragm Walbro HDA165 CDI Capacitor Discharge Ignition system Champion CJ6Y Recoil starter Stopping Grounding Toggle switch Power Transmission Automatic centrifugal clutch Chain Lubrication Automatic adjustable oiler
30. ndaiwa Inc reserves the right to make changes in production without prior notice and without obligation to make alterations to machines previous ly manufactured A WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm This symbo on the namepiate means this saw Is listed by Underwriters Laboratories inc Page Attention Statements sssssmess 1 NOmMERCIAUE 2 Specifications IAA 3 Safety Information 4 5 6 7 Installing Guide Bar Chain 8 9 Adjusting the Saw Chain Mixing Filling Fuel Bar Oil Starting and Stopping The Saw 13 14 Starting a Flooded Engine 15 Carburetor Adjustments 16 Chain Brake saii eirienencrriaeeisitsea 17 18 Cutting with the Saw esa 19 Felling Trees sssceeesanseereees 20 21 Bucking Limbing lt ssesss 22 Maintenance s e 23 24 25 Saw Chain Performance 26 27 Troubleshooting 28 29 30 Emission System Warranty 31 32 ATTENTION STATEMENTS This manual contains special attention statements surrounded by boxes and preceded by the triangular Attention Symbol Read and follow the Operator s Manual Failure to do so could result in serious Injury Wear eye and hearing protection at all times d
31. rized by Shin Daiwa Kogyo Co Ltd when a problem exists If your Shindaiwa Dealer is unable to answer questions regarding your warranty rights and responsibilities you should then contact your Shindaiwa Distributor For the name and telephone number of the Shindaiwa Distributor in your area please call Shindaiwa Inc at 603 692 8070 between the hours of 8 60 AM and 5 00 PM Pacific Standard Time PARTS COVERED Listed below are the parts covered by the Federal Emission Design and Defect Warranty Some parts listed below may require scheduled maintenance and are warranted up to the first scheduled replacement point for that part The warranted parts include 1 Carburetor Intemal Components e Jet Diaphragm Assembly Metering 2 Ignition System Components Ignition Coil Flywheel Rotor The emisson control system for your particular Shindaiwa engine may also include certain related hoses and connectors LIMTFATIONS The Federal Emission Design and Defect Warranty shall not cover any of the following a conditions resulting from tampering misuse improper adjustment unless they were made by the dealer or service 31 center authorized by Shin Daiwa Kogyo Co Ltd during a warranty repair alteration accident failure to use the recommended fuel and oil or not performing required maintenance services b the replacement parts used for required maintenance services c consequential parts used for require
32. t cannot be removed in the field For further decarbonization return the 488 to your Shindaiwa dealer LONG TERM STORAGE over 30 days Thoroughly clean the saw exterior Remove all chips and other debris from the cylinder fins and cooling passages Drain the fuel tank and then clear the carburetor and lines by running the saw until it stops from lack of fuel CAUTION Never store the saw with any fuel remaining in the tank fuel lines or carburetor Your Shindaiwa warranty does not include coverage for damage caused by stale or contaminated fuels Drain any remaining bar oil from the oil reservoir Remove the spark plug and then pour 1 4 o0z of oil into the cylinder through the spark plug hole Before reinstalling the spark plug slowly pull the recoil starter 2 3 times to distribute the oil over the cylinder walls Remove clean and reinstall the air filter element as described under daily maintenance Repair or replace any damaged com ponents as required and then store the machine in a clean dry dust free area 25 2 Aa fu zZ gt zZ 3 m SAW CHAIN PERFORMANCE Your saw s performance on the job depends heavily on the condition of its saw chain For consistent filing angles use a filing guide such as Oregon p n 31692 or How the saw chain works equivalent As the saw chain is pulled through the wood 2 After all cutters are s
33. tably during felling and should be left to an experienced timber faller FELLING TREES Felling Larger Trees Over 6 diameter If a tree is otherwise healthy and not seriously out of balance its direction of fall can often be encouraged by first notching the tree on the side facing the desired direction of fall After the notch is completed start the felling cut slightly higher and on the opposite side of the tree away from the direction of fall The goal of this method is to leave a sturdy wooden hinge for the tree to pivot on while falling 1 Determine the direction of fall 2 On the side of the tree facing the direction of fall make a single 90 cut through approx 1 3 of the tree s diameter Working from the same side of the tree and at a 45 angle to the first cut make a second cut to remove a notch from the tree as shown Working on the opposite side of the tree and starting approximately 2 higher than the bottom of the notch created in steps 1 3 make the final felling cut shown 3 4 ee NOTED If the cut appears to be closing on the bar use a mallet to drive one or two plastic or wooden wedges into the cut behind the bar 5 Stop the saw and put it down 6 Use your retreat path to exit the area quickly 4 Direction of fall WARNING Failure to leave a proper wooden hinge during the falling or back cut can cause the tre
34. ting this saw Prolonged exposure to 22 23 24 25 excessive noise could damage your hearing and is also fatiguing Keep the handles dry clean and free of o l or fuel mixture Never operate a chain saw with only one hand Serious injury to the operator helpers bystanders or any combination of these persons may result from one handed operation A chain saw is intended for two handed use All chain saw service other than the items listed in this owners manual maintenance instructions should be per formed by competent chain saw service personnel Eor example if improper tools are used to remove the flywheel or if an improper tool is used to hold the flywheel in order to remove the clutch structural damage to the flywheel could occur and subsequently cause the flywheel to burst Improper maintenance use of nonconforming replacement components or the removal of safety devices such as the chain brake or any of the chain brake components could result in serious injury AISWASSV INSTALLING THE GUIDE BAR AND SAW CHAIN Guide plate A Stud Chain tensioner pin Spacer discard For longest chain life place new or 4 Place the guide bar over the guide replacement chain loops in oil and soak bar studs and chain tensioner pin overnight before installation canon The chain brake must be completely disengaged before removing or installing the clutch cover Fai
35. uring the operation of this unit WARNING a A statement preceded by Do not operate this tool if you the word WARNING are tired ill or under the OF influence of alcohol drugs contains information that should or medicine be acted upon to prevent serious Beware of Kickback ka a bodily injury Kickback can occur whenever the tip of the guide bar touches an object while the saw is operating Kickback may force the bar up and back toward the operator with a lightning fast reaction CAUTION Astatement preceded by the word CAUTION contains information that should be acted upon to prevent Pinching the saw along the i top of the guide bar may force camaging your RaW z the bar table back evar the operator Pinching can Additional attention statements that occur whenever wood closes are not preceded by the Attention in around the moving chain Symbol are IMPORTANTI A statement preceded by the word IMPORTANT is one that possesses special significance eee Astatement preceded by the word NOTE contains information that is handy to know and may make your job easier All chain saw service other than the items listed in the owner s manual maintenance instructions should be performed by trained Shindaiwa chain saw sarvice personnel For example if improper tools are used to remove the flywheel or if an improper tool is used to hold the flywheel in order to remove the c
36. urn the chain tension screw counter clockwise to loosen the chain E Adjusting a hard nose guide bar two methods Tighten or loosen the adjusting screw until gently lifting the chain at mid bar produces only a 125 3 2mm gap between the chain side plates and the bar rail 10 Check the gap between chain side plates and the bar rail While lifting the bar nose tighten or loosen the adjusting screw until the chain at mid bar on the bottom of the bar just contacts the guide bar rails El Adjusting a sprocket nose bar A sprocket nose guide bar should be adjusted slightly tighter than a hard nose bar but must still pull freely around the bar 3 Tighten both bar nuts securely and verify correct chain tension for the type of bar being used 4 To adjust chain tension in the field Stop the saw and allow the guide bar and chain to cool Loosen both bar nuts approx 1 turn each and then repeat steps 1 8 above Never operate the saw with a loose chian WARNING Inspect chain tension often during operation especially when breaking in a new chain A loose saw chain can cause the guide bar to unexpectedly jump during operation possibly causing serious personal injury MIKING FUEL FILLING WITH FUEL Oil fill Fuel fill Sge YA Et ZB E Oil filler cap Fuel filler cap at front of the saw at rear of the saw Fuel Requirements Use onl
37. y fresh clean fuel Use only fuel with an octane rating of 87 or above Mix all fuel with Shindaiwa Premium 2 Cycle Mixing Oil at a gasoline oil ratio of 40 1 3 2 ozs mixing oil to 1 gallon gasoline A CAUTION Some gasolines contain alcohol as an oxygenate Oxy genated fuels may cause increased engine operating temperatures Under certain conditions alcohol based fuels may also reduce the lubricating qualities of some mixing oils Never use any fuel containing more than 10 alcohol by volume When an oxygenated fuel must be used an oxygenate such as MTBE is to be preferred over an alcohol based fuel A CAUTION Whenever possible use Shindaiwa Premium 2 Cycle mixing oil or equivalent quality oil mixed at a 40 1 ratio Be aware that some generic oils and some outboard mixing oils may not be intended for use in high perfor mance air cooled 2 cycle engines and should never be used in your Shindaiwa saw IMPORTANT Mix only enough fuel for your immedi ate needs If fuel must be stored longer than 30 days it should first be treated with a stabilizer such as StaBil or equivalent product Filling the Fuel Tank Place the saw on its side clutch cover down and wipe any chips or debris from around the fuel cap Remove the fuel cap at the rear of the saw Fill the tank with clean fresh fuel mixed as above and replace the cap e Wipe all spilled fuel before starting the saw CAU
38. your legs and arms Do not wear clothing or jewelry that could get caught in machinery or brush Never operate with a loose saw chain Never operate the saw if fastenings are loose or missing Wear Keep a proper footing Never operate the saw if do not overreach appropriate J any component parts are non skid footwear damaged loose or missing 19 NOILVa3d0 FELLING TREES Before Felling a Tree 1 Determine the direction of fall by inspecting Tree shape and angle of lean Size and shape placement of limbs e Location of nearby trees or other obstacles Condition of tree damage disease etc 9 Prevailing wind direction 2 Clear a safe work area around the tree Be alert for loose or dead limbs overhead Clear an appropriate escape path approx 45 from the direction of fall Direction of fall Aa gt 3 Notify nearby workers of your intentions 20 Felling Small Trees Under 6 diameter 1 Determine the direction of fall If uncertain as to direction of fall use the procedure Felling Large Trees as outlined on the following page 2 Start cutting on the side of the tree away from the fall and make a single felling cut all the way through the tree 8 Stop the saw and put it down on the ground 4 Use your retreat path to exit the area quickly WARNING Diseased damaged or otherwise unbalanced trees can fall unpredic
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