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Boss BPTYR2500 Instruction Manual

Petrol top handle chainsaw 25.4cc
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INSTRUCTION MANUAL

PETROL
TOP HANDLE CHAINSAW 25.4cc
BPTYR2500
WARNING!
Read all safety warnings and all instructions and retain this manual for future reference.
Failure to follow the warnings and instructions may result in fire and/or serious injury.
Email: customerservice@bosspowertools.com.au
Web: www.bosspowertools.com.au
34 Yarraman Place
Virginia, QLD, 4014
Ph: 03 8726 1471

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  • Page 1: Instruction Manual

    INSTRUCTION MANUAL PETROL TOP HANDLE CHAINSAW 25.4cc BPTYR2500 WARNING! Read all safety warnings and all instructions and retain this manual for future reference. Failure to follow the warnings and instructions may result in fire and/or serious injury. 34 Yarraman Place...

  • Page 2: Table Of Contents

    EXPLANATION OF SYMBOLS AND SAFETY WARNINGS Read operator's instruction Wear head, eye and ear book before operating this protection. machine. Use the chain saw Warning Danger of With two hands. kickback. Read, understand and follow all warnings. Contents 1. For Safe Operation..............3 2.

  • Page 3: For Safe Operation

    1 For safe operation 1.Never operate a chain saw when you are fatigued,ill,or upset,or under the influence of medication that may make you drowsy,or if you are under the influence of alcohol or drugs. 2.Use safety footwear,snug fitting clothing and eye,hearing and head protection devices.
  • Page 4 or damaged parts. Never operate a chain saw that is damaged, improperly adjusted. or is not completely and securely assembled be sure that the saw chain stops moving when the throttle control trigger is released. 11. All chain saw service. other than the items listed in the Owner's Manual, should be performed by competent chain saw service personnel(E.g.
  • Page 5 20. When transporting your chain saw. make sure the appropriate guide bar scabbard is in place. KICKBACK SAFETY PRECAUTIONS FOR CHAIN SAW USERS WARNING Kickback may occur when 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.

  • Page 6: Explanation Of Symbols On The Machine

    2 Explanation of Symbols on the Machine For safe operation and maintenance, symbols are carved in relief on the machine. According to these indications. please be careful not to make any mistake. The port to refuel "MIX GASOLINE" Position: Fuel cap The port to top up chain oil Position: Oil cap Setting the switch to the 'O' position, the engine stops...

  • Page 7: Installing Guide Bar And Saw Chain

    3. Installing Guide Bar and Saw Chain A standard saw unit package contains the items as illustrated Bar protector Power (optional) unit Plug wrench Guide chain Screwdriver for Carburetor adjustment Open the box and install the guide bar and the saw chain on the power unit as follows: The saw chain has very sharp edges.Use thick protective gloves for satety 1.
  • Page 8 When installing the chain cover ,be sure to fit the hook completely at the rear end of the cover. 6. While holding up the tip of the bar: adjust the chain tension by turning the tensioner screw until the tie straps just touch the bottom side of the bar rail.

  • Page 9: Fuel And Chain Oil

    4.Fuel and Chain Oil FUEL WARNING Gasoline is very flammable. Avoid smoking or bringing any flame or sparks near fuel. Make sure to stop the engine and allow it cool before refueling the unit. Select outdoor bare ground for fueling and move at least 3 m (10 ft) away from the fueling point before starting the engine.
  • Page 10 1. Untwist and remove the fuel cap. Rest the cap on a dustless place. 2. Put fuel into the fuel tank to 80% of the full capacity. 3. Fasten the fuel cap securely and wipe up any fuel spillage around the unit. WARNING 1.

  • Page 11: Operating The Engine

    5 Operating the Engine It is very dangerous to run a chainsaw that mounts broken parts or lacks any parts. Before staining engine. make sure that all the parts including bar and chain are installed properly. STARTING THE ENGINE 1. Fill fuel and chain oil tanks respectively. and tighten the caps securely.
  • Page 12 6. When engine has ignited, first push in the choke knob to the first-stage position and then pull the starter Again to start the engine. 7. Allow the engine to warm up with the throttle lever pulled slightly. Keep clear of the saw chain as it will start rotating upon starting of engine.
  • Page 13 them. Then set them back the initial number of turns as shown below. 2 Start the engine and allow it to warm up at half-throttle. 3 Turn the L needle slowly clockwise to find a position where idling speed is maximum, then set the needle back a quarter(1/4) turn counterclockwise.

  • Page 14: Sawing

    6. Sawing Before proceeding to your job,read the section 'For Safe Operation'. it is recommended to first practice sawing easy logs. This also helps you get accustomed to your unit. Always follow the safety regulations. The chain saw must only be used for cutting wood.It is forbidden to cut other types of material.
  • Page 15 FELLING A TREE 1. Decide the felling detection considering the wind, lean of the tree,location of heavy branches, ease of completing the task after felling and other factors. 2. While clearing the area around the tree. arrange a good foot hold and recreate path.

  • Page 16: Maintenance

    In area A, saw up from the bottom one- third and finish by sawing down from the top. In area B. saw down from the top one-third and finish by sawing up from the bottom. Cutting the limbs of Fallen Tree First check to which side the limb is bent.
  • Page 17 7. MAINTENANCE AFTER EACH USE Before cleaning, the inspecting or repairing the unit, make sure that engine has stopped and is cool. Disconnect the spark plug to prevent accidental starting. MAINTENANCE AFTER EACH USE 1.Air filter Loosen the knob and remove the air cleaner cover. Take off the filter elements and tap off attached saw dust.
  • Page 18 PERIODICAL SERVICE POINTS 1. Cylinder fins. 2. Remove the starter case. 3. Remove sawdust between the cylinder fins. 2. Fuel filter (a) Using a wire hook, take out the filter from the filler port. (b) Wash the filter with gasoline. Replace with new one if clogged with dirt completely.
  • Page 19 5. Sprocket Check for cracks and for excessive wear interfering with the chain drive.if the wear is considerable, replace it with new one .Never fit a new chain on a worn sprocket, or a worn chain on a new sprocket. 6.Way of the cooling air The engine metal parts can burn your skin.
  • Page 20 2. Be sure the gasket 'is not broken. if it IS broken. change to the new one. 3. before tightening the screw. rub the gross on it 4. After making a test run, re-tighten the screw (TOROUE:6.9-7.8 N m/70-80 kg-cm) Right after stopping the engine, do not touch the muffler with one’s bare hands.

  • Page 21: Maintenance Of Saw Chain And Guide Bar

    8. Maintenance of Saw Chain and Guide Bar Saw Chain It is very important for smooth and safe operation to always keep the cutters sharp. The cutters need to be sharpened when: Sawdust becomes powder-like. You need extra force to saw in. The cut path dose not go straight Vibration increases.
  • Page 22 Make sure every cutter has the same length and edge angles as illustrated . Guide Bar Reverse the bar occasionally to prevent partial wear. The bar rail Should always be square.Check for wear of the bar rail. Apply a ruler to the bar and the outside of a cutter.

  • Page 23: Troubleshooting Guide

    9. Troubleshooting Guide Case 1. Starting failure Make sure the icing prevention system is not working. Case 2. Lack of power/poor acceleration/ Rough idling. Case 3. Oil does not come out. If the unit seems to need further service, please consult with an authorized service shop in your area.

  • Page 24: Specifications

    10. Specifications Power unit: Displacement(cc)................25.4 Fuel:..........Mixture(Gasoline25:Two-cycle oil1) Fuel tank capacity(ml)..............230 Chain oil:............Motor oil SAE#10W-30 Oil tank capacity(ml)..............160 Carburetor..............Diaphragm type Spark plug.................LD-M7 Oil feeding system............Mechanical pump Dimensions (L x W x H) (m m): ........265 x 220 x 220 Dry weight Power unit only(kg)................28 Cutting head: <Sprocket bar>...
  • Page 25 34 Yarraman Place Virginia, QLD, 4014 Ph: 03 8726 1471 Email: customerservice@bosspowertools.com.au Web: www.bosspowertools.com.au...

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