Shindaiwa 502s Owner's/operator's Manual

502s CHAIN SAW Part Number 69033-94310 Rev. 4/08 English..........................1 Español................... SP_1 Francais..................FR_1 Read this manual and familiarize yourself with its contents. ■ ■ This machine is designed for cutting wood and timber. Use only for designated purpose. ■■ Minimize the risk of injury to yourself and others. ■ ■ Always wear eye protection when operating this machine. ■ ■ Do not operate or service this machine unless you clearly understand this manual. ■ ■ Keep this manual available at all times so that you can reference it whenever you ■ ■ have ...

this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. WARNING! A statement preceded by the triangular attention symbol and the word “WARNING” contains informa- tion that should be acted upon to prevent serious bodily injury. PAGE Contents PAGE PAGE Introductions The Shindaiwa 502s chain saw is designed and built to deliver superior per- formance and reliability without compro- mise to quality, comfort, safety, or durabil- ity. Shindaiwa high performance engines represent the leading edge of 2-cycle engine technology, and deliver exception- ally ...

WARNING! Kickback can happen lightning-fast! Chain Brake Your chain saw is equipped with a chain brake that is designed to stop the chain in the event of a kickback. The chain brake reduces the risk of acci-dents, but only you can prevent them. The chain brake can be activated manu- ■ ■ ally by your left hand pushing against the hand guard or automatically by the inertia release mechanism, in the event of kickback, stopping the saw chain. Activating the chain brake tightens ■ ■ a brake band around the chain drive mechanism, stopping the chain rotation. NOTE: The function of the front hand guard is to reduce t ...

■ ■ one hand! One-handed operation could cause you to lose control, causing serious injury to yourself or others! A chain saw is intended for two-handed use. Wear safety footwear, snug-fitting ■ ■ clothing, protective gloves, and eye, hearing, and head-protection devices while working with this chain saw. Do not allow other persons to be ■ ■ near the chain saw when start- ing or running the chain saw. Keep bystanders and animals out of the work area. Never allow young children or any ■ ■ person unfamiliar with chain saws to operate this saw! Clear the work area before using the ■ ■ saw. Never star ...

Make sure all information labels are undamaged and readable. Immediately replace damaged or missing information labels. New labels are available from your local authorized Shindaiwa dealer. Safety Labels Bar and Chain Oil Tank Choke T Carburetor Adjustment Idle Speed I O F F Heated handle system is not available for 502s chainsaw 13 ...

“right”, “right-hand”, and “RH”; “front” and “rear” refer to directions as viewed by the operator during normal operation. Using the accompanying illustrations as a guide, familiarize yourself with your machine and its various components. Understanding your machine helps ensure top performance, long service life, and safer operation. Chain Brake Lever Hand Guard Guide Bar Chain Bar and Chain Oil Filler Cap Front Handle Starter Handle Fuel Cap Throttle Trigger A ...

WARNING! Do not make unauthorized modifications to this saw, guide bar, or chain! IMPORTANT! The operational procedures described in this manual are intended to help you get the most from this unit and also to protect you and others from harm. These proce- dures are general guidelines only, and are not intended to replace any additional safety rules or laws that may be in force in your area. If you have any questions regard- ing your Shindaiwa chain saw, or if you do not understand something in this manual, your Shindaiwa dealer will be glad to assist you. For additional information, you may also contact Shindaiwa Inc. at the addres ...

into the Hole Saw Chain WARNING! Never operate this saw without the clutch cover installed. WARNING! The cutters on the saw chain are very sharp! Always wear gloves when handling. IMPORTANT! Proper chain adjustment is essential for maximum performance, chain life, and operator safety. Always inspect chain ten- sion before operating this saw! To adjust chain tension in the field: 1. Stop the saw and allow the guide bar and chain to cool. Loosen both bar nuts approximately 1-turn each, and then perform steps 7-9 above. Never operate the saw with a loose chain! WARNING! Inspect chain tension often during operation, es ...

engines are designed to operate on a 50:1 mixture of unleaded gasoline and 2-cycle mixing oil. Using a fuel mixture less than 50:1 ratio (such as 80:1 or 100:1) can cause catastrophic engine failure! NEVER smoke or light fires near the engine. ALWAYS stop the engine and allow it to cool before refueling. ALWAYS open the fuel cap slowly to allow any pressure build-up in the tank to release fuel vapor slowly. ALWAYS wipe all spilled fuel and move at least 3 meters from the fueling point and source before starting. ALWAYS inspect the unit for fuel leaks before each use. During each refill, check that no fue ...

Guide bar and saw chain lubrication is auto- matically 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 softwoods, and can be provided as follows: Stop the engine and verify that the 1. engine stop switch is in the “OFF” position. Place the saw on its side, with the 2. clutch cover facing up. Counter-Clockwise to Increase Oil Flow Use a screwdriver to turn the oil flow 3. rate adjustment screw: Clockwise to decrease bar and chain a. lubrication. Counter-clockwise to increase bar b. and ...

to Increase) Adjusting Engine Idle Idle Speed Adjustment: Use a screwdriver to slowly turn the idle speed adjusting screw clockwise or coun- ter-clockwise until the engine idles at 2,800 min-1. CAUTION! Never run the engine at full throt- ■ ■ tle with no-load. This may cause engine seizure. Never operate this saw above ■ ■ 13,500 min-1. This may cause engine seizure. NOTE: Low speed mixture and high speed mix- ture for this chainsaw are factory set and can not be adjusted in the field. WARNING! The saw chain must never rotate at engine idle speed. Move the “ON-OFF” ignition control 1. switch to the off position. If ...

This saw is equipped with a dual func- tion chain brake designed to stop the saw chain from rotating whenever kick- back occurs. WARNING! The chain brake is installed only to reduce the risk from kickback! The chain brake is not a substitute for careful operation! IMPORTANT! Release the throttle whenever the chain brake is activated! Engaging the brake lever causes a 1. brake band to tighten around the clutch drum, stopping the saw chain. The chain brake is designed to engage 2. whenever the brake lever strikes the operator’s hand or from the inertial effects of kickback. The chain brake can also be activated 3. b ...

Clear a safe work area before cutting. Wear hearing protection and eye protection such as a face shield or goggles when operating the unit to shield against saw dust. Always wear gloves when operating this saw. Use full-throttle while cutting and apply only enough bar pressure to maintain engine speeds of 9,000-10,000 min-1. Wear close-fitting clothing to protect your legs and arms. Do not wear clothing or jewelry that could get caught in the machinery or brush. Keep a proper footing (do not overreach)! Wear appropriate non-skid footwear. IMPORTANT! Always use full throttle while cutting! Keep the chain sharp and let the saw do ...

wooden hinge during the felling or “back cut” can cause the tree 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! Working from the same side of the tree 3. and at a 45˚ angle to the first cut, make your second cut in an upward direction to remove a notch from the tree as shown. Working on the opposite side of the 4. tree and starting approximately 2” (5 mm) higher than the bottom of the notch created in steps 1-3. Set the bum- ...

■■ rior, cylinder fins, and cooling air intake. Inspect the saw for fuel and oil leaks. ■ ■ Repair as necessary. Service the air filter: ■ ■ Remove the air filter cover and then 1. remove the element. Use extreme care to prevent any debris from entering the carburetor bore. Wash all parts with soap and water, and then gently wipe or blow dry before reassembly. Install the air filter element in the saw. 2. Cover Filter Element Choke Sharpen and adjust the saw chains as ■ ■ required. Clean the guide bar groove and oil ■ ■ hole, and inspect the bar groove and tip for damage or unusual wear. ...

Spark plug: replace the spark plug ■ ■ with an NGK BPMR7A (or equivalent), gapped to 0.024” (0.6 mm). Fuel filter: use a hooked wire to ■ ■ extract the fuel filter from inside the fuel tank, and then remove and replace the filter element. Before replacing 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. CAUTION! Make sure you do not pierce the fuel line with the end of the hooked wire. The line is delicate and can be damaged easily. Fuel Line Fuel Filter Hooked Wire Oil fi ...

Using the appropriate round file, sharpen 1. all cutters to a 25° angle as shown. After all cutters are sharpened, use 2. a depth gauge joiner to measure the height of each depth gauge. CHN-19 CHN-18 Using a filing gauge Using a depth gauge joiner Using a flat file to round the front corner on a depth gauge 25° IMPORTANT! File all cutters to the same angle and depth! Unequal filing may cause the saw to vibrate or cut erratically! NOTE: For consistent filing angles, use a filing guide. IMPORTANT! Most of the actual cutting is done by the sides and corners of the individual cutters! Your saw’s performance on the job depends h ...

Good compression? Does the tank contain fresh fuel of the proper grade? Is fuel visible and mov- ing in the return line when priming? Is there spark at the spark plug wire terminal? Check the spark plug. The plug is damaged internally or of the wrong size. What To Check Possible Cause Remedy ENGINE DOES NOT START Faulty recoil starter. Fluid in the crankcase. Internal damage. Loose spark plug. Excess wear on cylinder, piston, rings. Fuel incorrect, stale, or contaminated; mixture incorrect. Check for clogged fuel filter and/or vent. The ignition switch is in “O” (OF ...

ADDITIONAL PROBLEMS Poor acceleration. Idle speed set too low. Consult with an authorized servicing dealer. Symptom Possible Cause Remedy Engine stops abruptly. Engine difficult to shut off. Excessive vibration. Chain rotates at idle speed. Broken clutch spring or worn clutch spring boss. Warped or damaged sprocket, chain, or bar. Bent crankshaft. Clean or replace the air filter. Replace the fuel filter. Inspect and/or test brake. Consult with an authorized servicing dealer. Consult with an authorized servicing dealer. Adjust: 2,800 min-1. Reset the switch and restart. Refuel. See section on Filling the Tank with Fu ...

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 materials 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 Shindaiwa Corporation will, at no cost to you, make the ...