Shindaiwa BP420S Operator's Manual
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Shindaiwa BP420S Operator's Manual

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1Cover
OPERATOR'S MANUAL
GRASS-TRIMMER/BRUSHCUTTER
READ THE INSTRUCTIONS CAREFULLY AND FOLLOW THE
RULES FOR SAFE OPERATION.
FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY.
WARNING
ENGLISH
(Original instructions)
BP420S

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Summary of Contents for Shindaiwa BP420S

  • Page 1 1Cover ENGLISH (Original instructions) OPERATOR'S MANUAL GRASS-TRIMMER/BRUSHCUTTER BP420S WARNING READ THE INSTRUCTIONS CAREFULLY AND FOLLOW THE RULES FOR SAFE OPERATION. FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY.
  • Page 2 Always keep your manual in a place where it is readily accessible. If you have lost your manual or it is damaged and no longer readable, please purchase a new one from your shindaiwa dealer.

  • Page 3: Table Of Contents

    Contents For safe use of your product....................4 Warning notices ......................4 Other indicators ......................4 Symbols ......................... 4 Location in which a safety decal is attached..............6 Handling fuel........................7 Handling the engine....................... 8 Handling the product ..................... 9 Packing list........................

  • Page 4: For Safe Use Of Your Product

    For safe use of your product For safe use of your product Be careful to read this section before using your product. The precautions described in this section contain important safety information. Please observe them carefully. You must also read the precautions that appear in the body of the manual itself. Text following a [diamond mark] mark describes the potential consequences of failing to observe the precaution.
  • Page 5 For safe use of your product Symbol form/shape Symbol description/applica- Symbol form/shape Symbol description/applica- tion tion Carburettor adjustment Waring, side thrust - High speed mixture Usage without shield not per- Carburettor adjustment mitted - Idle speed Usage of metal blades not Lubricate in every 18 hours permitted Usage of nylon line cutting...

  • Page 6: Location In Which A Safety Decal Is Attached

    For safe use of your product Location in which a safety decal is attached The safety decal shown below has been attached to the products described in this manual. Ensure that you understand what the decal means before using your product. If the decal becomes unreadable due to wear and tear or damage, or peels off and is lost, please purchase a replacement decal from your dealer and attach it in the location shown in the illustrations below.

  • Page 7: Handling Fuel

    For safe use of your product Handling fuel DANGER Always keep well away from fire when refuelling Fuel is highly inflammable and leads to a risk of fire if mishandled. Use extreme care when mixing, storing or handling or serious personal injury may result. Be careful to observe the following instructions. Do not smoke or hold a flame near when refuelling.

  • Page 8: Handling The Engine

    For safe use of your product Handling the engine WARNING Starting the engine Exhaust fumes are toxic Be particularly careful to observe the following precau- The exhaust fumes from the engine contain toxic gases. tions when starting the engine: Do not operate the product indoors or in other ill venti- Check that none of the nuts and bolts are loose lated places.

  • Page 9: Handling The Product

    For safe use of your product Handling the product General precautions WARNING Operator's manual Loaning or assigning your product Be careful to read the operator's manual When loaning your product to another party, ensure properly before using your product in or- that the person borrowing the product receives the op- der to ensure correct operation.
  • Page 10 For safe use of your product WARNING Users of the product Vibration and cold The product should not be used by: It is believed that a condition called Raynaud's Phenome- people who are tired non which affects the fingers of certain individuals may be people who have taken alcohol brought about by exposure to vibration and cold.
  • Page 11 For safe use of your product WARNING Remove foreign objects and obstructions before working with the product Before starting work, check the area where you will be working and re- move any small stones and empty cans likely to ricochet off the cutting attachment, as well as any pieces of string or wire that might become twisted around the cutting attachment.
  • Page 12 For safe use of your product Precautions concerning the cutting attachment DANGER Always stop the engine when a cutting attachment jam occurs. Do not attempt to remove an object causing a jam if the engine is running. Severe injury can occur if a jam is removed and the cutting attachment suddenly starts. 1.With metal blade WARNING Use correct blades...
  • Page 13 For safe use of your product Protective gear WARNING Wear protective gear Always wear the following protective gear when working with the trimmer. a Head protection (helmet): Protects the head b Ear muffs or ear plugs: Protect the hearing c Safety goggles: Protect the eyes d Face shield: Protects the face e Safety gloves: Protect the hands from cold and vibration f Work clothes that fit (long sleeves, long trousers): Pro-...

  • Page 14: Packing List

    Packing list Packing list The following parts are packed separately in the packing box. When you have unpacked the box, please check the parts that it contains. Contact your dealer if anything is missing or broken. Engine Operation Shaft 1. Engine 11.

  • Page 15: Description

    Description Description 1. Cutting attachment 3 cutter blade for cutting grass, gar- 10. Rear handle Handle located towards the knapsack pow- den debris and weeds. er unit. 2. Shield Device to protect the operator from accidental 11. Flexible shaft assembley Flexible tube for the power contact with the cutting head and thrown objects.

  • Page 16: Before You Start

    Before you start Before you start Assembly WARNING Read the operator's manual carefully to ensure that you assemble the product correctly. Using a product that has been incorrectly assembled could lead to an accident or serious injury. Flexible shaft assembly First stage of assembling is coupling of the power transmission shaft (F) and (R).
  • Page 17 Before you start The length of inner cable can be adjusted for proper pulling by opening cover (B) and resetting flange of throttle cable into a suitable groove on the left or right. 1. Cover (A) 4. Engine side 2. Cover (B) 5.
  • Page 18 Before you start Installation of bracket Fit bracket to mounting portion of angle transmission and fix the bracket by holding fitting plate pressed from beneath and tighten 4 bolts (M5×25) lightly. Get notches and convexes of fitting plate to face corresponding convexes and concaves of bracket, and fix bracket tightening 4 bolts (M5×25) securely.
  • Page 19 Before you start Insert locking tool into a hole located on the right side of angle transmission while forcing retainer spring to the left side. Insert locking tool further into blade retainer fixing slot to fix output shaft. CAUTION Fasten output shaft using locking tool securely in order to avoid the possibility of output shaft rotating when mount- ing cutting blade which will prevent the cutting blade fas- tening nut from being tightened sufficiently.

  • Page 20: Preparing The Fuel

    10 % of ethyl alcohol. Recommended mixture ratio; 50 : 1 (2 %) for ISO-L-EGD Standard (ISO/CD 13738), JASO FC,FD grade and shindaiwa 50 : 1 oil. - Do not mix directly in engine fuel tank.

  • Page 21: Engine Operation

    Engine operation Engine operation Starting the engine WARNING When starting the engine, observe the precautions described from Page 4 in the section "For safe use of your prod- uct" to ensure that you operate the product correctly. If thecutting attachment rotates even though the throttle trigger is in the idle speed position when the engine is start- ed, adjust the carburettor before using the product.
  • Page 22 Engine operation Checking that the area around you is safe, hold the position closest to the engine firmly as shown in the illustration, pull- ing several times on the starter grip. If you hear an explosion-like sound and the engine stops im- mediately, move the choke lever to the "Run"...

  • Page 23: Stopping The Engine

    Engine operation Stopping the engine Move the throttle trigger to the idle speed position and set the engine to idling (i.e. low speed). Move the ignition switch to the Stop position. In the event of an emergency, stop the engine immediately using the ignition switch.

  • Page 24: Trimming Operation

    Trimming operation Trimming operation DANGER Always stop the engine when a cutting attachment jam occurs. Do not attempt to remove an object causing a jam if the engine is running. Severe injury can occur if a jam is removed and the cutting attachment suddenly starts. Never attempt to operate the product with one hand.

  • Page 25: Basic Trimming Operation With Nylon Line Cutting Head

    Trimming operation Basic trimming operation with nylon line cutting head The basic cutting actions The basic cutting actons pictured are: Trimming, scything, scalping and lawn edging. These actions are as follows: Trimming This is feeding the trimmer carefully into the material you wish to cut.

  • Page 26: Basic Trimming Operation With Metal Blade

    Trimming operation Always wear proper eye protection against thrown objects. Objects can bounce up at you from the ground under the shield, or ricochet off any nearby hard surface. Do not trim at high speed near roadways when there is traffic, or in places where there are pedestrians.
  • Page 27 Trimming operation Use correct blade Always use the blade suited for the job. Do not allow the trimmer blade to come into contact with hard obstructions such as stone, concrete or metal. Do not cut into the ground with the blade. If the blade hits an obstruction, turn the engine off immediately and ensure that the trimmer blade has stopped rotating before checking the blade and shield for damage.

  • Page 28: Precautions To Observe When Working

    Trimming operation Kickback. If you hit a hard object with the front-right of the trimmer blade, such as when trimming in both directions, the blade will kick sharply back to the right. This is a phenomenon known as "kick back", and can cause a serious accident due to the operator los- ing control over the product.

  • Page 29: Maintenance And Care

    Maintenance and care Maintenance and care Servicing guidelines Area Maintenance Page Before use Monthly Air filter Clean/Replace • Fuel filter Inspect/Clean/Replace • Spark plug Inspect/Clean/Adjust/Replace • Carburettor Adjust/Replace and adjust • Cooling system Inspect/Clean • Silencer Inspect/Tighten/Clean • Flexible shaft Grease •* Angle transmission...
  • Page 30 Maintenance and care Replacing fuel filter Use a piece of metal wire or the like to pick up fuel filter through fuel tank opening. Pull old filter from fuel line. Install new fuel filter. NOTE If filter is excessive dirty or no longer fits properly, replace it. 1.
  • Page 31 Maintenance and care Remove dust and dirt from between fins. Before each use, remove accumulated debris from bottom en- gine intake grille located between the fuel tank and starter. 1. Cylinder fins 2. Air intake Cleaning silencer Carbon deposits in silencer will cause a drop in engine output and overheating.
  • Page 32 Maintenance and care Lubricating flexible shaft All the surface of the power transmission shaft (R) should al- ways be properly greased. At the time of delivery from the plant, this is greased, so evenly grease all the surface of the power transmission shaft (R) ap- proximately 10 mL in every 18 hours.
  • Page 33 Maintenance and care Installing nylon line cutter (option) Method to change shield (Consult your dealer.) There are two types of shields: namely one used exclusively for nylon line cutting head and another one used exclusively for met- al blade. When using nylon line cutting head, use the shield for nylon line cutting head.
  • Page 34 Maintenance and care Adjusting nylon line Make sure there is no bystander within 15 m radius and pay enough attention to objects in the surroundings before starting operation. Do not rotate the nylon line cutting head at more than 10000 r/ min.
  • Page 35 Maintenance and care When the line is wound to the end hook both line ends into respective notch of spool for retaining tentatively the line while leaving line ends approximately 10 cm beyond notch. Align notches of spool for the line with grooves of eyelets and fit spool into cover.
  • Page 36 Maintenance and care Inspect cover and tap knob for wear. When slot appears on bottom of the tap knob or when slot appears on cover bottom close to outlet for nylon line, re- place them with new parts without fail. Check the cutting head for crack or chip.
  • Page 37 Maintenance and care Troubleshooting table Problem Diagnosis Cause Solution The engine does There is no fuel in the fuel tank Fuel supply not start The stop switch is in the Stop position Move to the Start po- Excess fuel suction sition Electrical fault Start the engine after...

  • Page 38: Storage

    Storage Storage Long-term storage (30 days or more) WARNING Do not store in sealed locations filled with fuel gas, or close to naked flames or sparks. You could cause a fire. When storing the product for long periods of time (30 days or more), ensure that the following preparations for stor- age are carried out.

  • Page 39: Specifications

    10 % of ethyl alcohol. Two stroke, air-cooled engine oil. ISO-L-EGD Stand- ard (ISO/CD 13738), JASO FC,FD grade and shindaiwa 50 : 1 oil. Ratio 50 : 1 (2%) Fuel consumption at maximum engine power 1.20...

  • Page 40: Declaration Of Conformity

    JAPAN declares that the hereunder specified new unit: PORTABLE BRUSHCUTTER Brand: shindaiwa Type: BP420S complies with: * the requirements of Directive 98/37/EC (1998)and 2006/42/EC: from 29th December 2009 (use of harmonized stand- ard ISO 11806 (EN 31806)) * the requirements of Directive 2004/108/EC (use of harmonized standard EN ISO 14982)
  • Page 41 1Notes and rear cover MEMORANDUM X750-012 78 1 X750 222-660 1 2009...
  • Page 42 MEMORANDUM X750-012 78 1 X750 222-660 1 2009...
  • Page 43 MEMORANDUM X750-012 78 1 X750 222-660 1 2009...
  • Page 44 7-2 SUEHIROCHO 1-CHOME, OHME, TOKYO 198-8760, JAPAN PHONE: 81-428-32-6118. FAX: 81-428-32-6145. X750-012 78 1 Printed in Japan 0x0xxxx zzzz ES X750 222-660 1 © 2009...

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