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Petrol Chain Saw
ORIGINAL INSTRUCTION MANUAL
EA3700T
Important:
Read this instruction manual carefully before putting the chain saw into operation and strictly observe the
safety regulations!
Keep this instruction manual!

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Summary of Contents for Makita EA3700T

  • Page 1 Petrol Chain Saw ORIGINAL INSTRUCTION MANUAL EA3700T Important: Read this instruction manual carefully before putting the chain saw into operation and strictly observe the safety regulations! Keep this instruction manual!
  • Page 2: Table Of Contents

    English (Original instructions) Table of Contents Page Symbols ....................2 Safety precautions ................3 Technical data...................8 Designation of parts................9 Chain saw’s safety function ............10 Assembly ..................11 Before use ..................13 Starting and stopping engine ............15 Maintenance ...................17 Maintenance interval ..............25 Troubleshooting ................26 SYMBOLS Read instruction manual and follow the...
  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS WARNING: This chain saw is designed especially for tree care and surgery. All work with this chain saw is to be carried out by properly trained persons only. Observe all literature, procedures and recommendations from the relevant professional organisation.
  • Page 4: Putting Into Operation

    • Ensure that no fuel or chain oil oozes into the soil (environmental protection). Use an appropriate base. • Refuelling is not allowed in closed rooms. Fuel vapors will accumulate near the floor (explosion hazard). • Ensure to firmly tighten the screw caps of the fuel and oil tanks. •...
  • Page 5 • Ensure that the chain is always sharpened correctly. Pay special attention to the height of the depth limiter. • Never cut several branches at the same time. When cutting a branch ensure that no other branch is touched. • When crosscutting a trunk be aware of the trunks next to it. Working behavior/Method of working •...
  • Page 6: Transport And Storage

    • If the timber is under tension (15), first cut the pressure side (A). Then the crosscut can be performed on the tension side (B). Thus clamping of the guide bar can be avoided. Technique for tree topping CAUTION: • People topping trees or cutting of branches must be specially trained. High risk of injuries! •...
  • Page 7: First Aid

    All other work must be carried out by MAKITA Service. Use only original MAKITA spare parts and accessories. Using spare parts other than original MAKITA parts or accessories and guide bar/ chain combinations or lengths which are not approved bring a high risk of accidents.
  • Page 8: Technical Data

    Diaphragm Spark plug Type NGK CMR6H Electrode gap Fuel tank capacity Chain oil tank capacity Mixture ratio (Gasoline: Makita two-stroke oil) 50:1 Chain brake Engages manually or in case of kickback. Chain speed (at max. power) Sprocket pitch mm (inch) 0.95 (3/8")
  • Page 9: Designation Of Parts

    DESIGNATION OF PARTS 1. Top handle 2. Front handle 3. Throttle trigger 4. Front hand guard 5. Guide bar 6. Saw chain 7. Air cleaner cover 8. Hook (attachment point) 9. Muffler cover 10. Sprocket cover 11. Chain adjusting screw 12.
  • Page 10: Chain Saw's Safety Function

    Checking the brake band The brake band is at the back of the sprocket cover. Chain brake wears out in course of time. Have it checked and serviced by Makita authorized service center at least every 3 month. Throttle trigger lock-out Throttle trigger lock-out is designed to prevent accidental start.
  • Page 11: Assembly

    ASSEMBLY WARNING: • Before performing any work on the guide bar or saw chain, always switch off the engine and make sure that the cutting tool is stopped. • Always wear protective gloves. CAUTION: • Start the chain saw only after having assembled it completely and inspected. Installing guide bar and saw chain NOTICE: •...
  • Page 12 Adjusting saw chain tension CAUTION: • Excessively loose saw chain may jump off the bar, and therefore presents an accident risk. If the saw chain is too loose, adjust it. • Excessively high tension of saw chain may cause breakage of saw chain, wear of the guide bar and breakage of the adjusting screw/dial.
  • Page 13: Before Use

    Use oil with adhesive additive for lubricating the chain and guide bar. The adhesive additive prevents the oil from being flung off the chain too quickly. We recommend the use of Makita genuine chain oil or chain oil which is bio-degradable in order to protect the environment. The use of bio-degradable oil may even be required by local regulations.
  • Page 14: Adjusting The Chain Lubrication

    Refuelling and refilling chain oil WARNING: • FOLLOW THE SAFETY PRECAUTIONS. Be careful and cautious when handling fuels. • Switch off the engine. CAUTION: • Clean the tank cap and the area around the tank after refuelling. Refuel or refill the chain oil as follows: 1.
  • Page 15: Starting And Stopping Engine

    • The engine must be put in idle immediately after starting. If not, the clutch can be damaged, ask Makita authorized service center. Starting the engine 1. Activate the chain brake (lock).
  • Page 16: Stopping The Engine

    • Do not adjust idle speed before the chain saw is completely assembled and checked. • If the saw chain still moves at idle speed even after adjustment, stop using the chain saw immediately, and bring it to Makita authorized service center for repair. CAUTION: •...
  • Page 17: Maintenance

    • Keep away from open flames and do not smoke. CAUTION: • To maintain product SAFETY and RELIABILITY, any repair, maintenance or adjustment work that is not included in this manual should be performed by Makita Authorized Service Centers. Always use Makita replacement parts. Sharpening the saw chain The chain needs sharpening when: •...
  • Page 18 Files and file guiding • Use a special round file (optional accessory) for saw chains sharpening. Normal round files are not suitable. • Use the round file of diameter 4.0 mm. • The file should only engage the cutter part on the forward stroke. Lift the file off the cutter part on the return stroke.
  • Page 19 2. Remove the screw (1). Slowly remove the ratchet wheel (2), damper spring (3) and reel (4). 3. Remove the old rope from the reel and starter grip. 4. Pass the new rope through the starter grip, and make a knot as illustrated. 5.
  • Page 20: Cleaning The Guide Bar

    8. Return the damper spring and the ratchet wheel. Fit the end of the damper spring to the hole of the ratchet wheel. And then tighten them with the screw. 9. Place the starter rope onto the dented part of the reel. 10.
  • Page 21 A worn sprocket may damage a new saw chain. Do not use a new chain on a worn chain sprocket. Check the sprocket before installing a new saw chain. Ask Makita authorized service center for repair if there are any defect or if the sprocket is worn out more than 0.5 mm.
  • Page 22 Cleaning the fuel filter The fuel filter of the suction head is used to filter the fuel required by the carburetor. Perform visual inspection periodically. 1. Open the tank cap, use a wire hook and pull out the suction head through the tank opening.
  • Page 23: Cleaning The Cylinder Space

    Clean the spark arrester with a wire brush if necessary. If the spark arrester is damaged, replace it. Checking the hook The hook wears out in course of time. Ask Makita authorized service center for replacement when it wears out.
  • Page 24 Cleaning of parts Always keep the engine clean by wiping down with a cloth rag. Inspection of bolts, nuts and screws • Check bolts, nuts, etc. Tighten them if necessary. • Check the fuel cap and oil cap for tightness. Check for fuel leakage. •...
  • Page 25: Maintenance Interval

    MAINTENANCE INTERVAL For tool’s long life, and to ensure the full functioning of the safety features, perform maintenance work regularly. Operating time Before Every Every Before Everyday Annually operation week 3 month storage Item ○ Inspection. ○ Chain saw Cleaning. ○...
  • Page 26: Troubleshooting

    TROUBLESHOOTING Before making a request for repairs, check for trouble by yourself. For repairs, contact authorized service centers. Malfunction status Possible cause Remedy Chain does not run. Chain brake is engaged. Release chain brake. Spark plug malfunction. Check the spark plug. Fuel tank is empty.
  • Page 28 Makita Corporation Anjo, Aichi, Japan www.makita.com 885380-875...

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