WARNING ICareless or improper use of this product can cause serious or even fatal injury.Before operating a chain saw or other MAKITA products it is important that you read, fully understand andcarefully follow the instructions outlined in this owners manual. Kickback may cause severe or fatal injury andis one of many potential dangers in operating a chain saw. Kickback and other safety related precautions aredescribed in detail within this owners manual. Additional owners manuals are available from MAKITA USA.,INC., 14930-C Northam Street, La Mirada, CA90638-5753,USA, Telephone: (714) 522 80 88 and MAKITA CANADAINC.,1950 Forbes Street, Whitby, Ontario, LIN 787, Canada, Telephone: (905) 571 22 00.This product complies with: American National Standard Institute B 175.1-2000 chain saw safety standard.Canadian Standards AssociationSociety of Automotive Engineers262.1-95 chain saw safety standard.262.3-96 chain saw kickback standard.SAEJ 335-Jun 95 ,,Multiposition smallengine exhaust system fire ignitionsuppression”With the purchase of this chain saw you have chosen a German quality product. Important instructions for theassembly and operation of this saw are given in this manual. For your own safety, we ask you to read the accidentprevention instructions very carefully before putting your chain saw into operation, as incorrect handling can,despite all precautions, lead to accidents. With a little care and attention you will have good service and lastingsatisfaction from this first-rate product.DCS 6400,6401,7300,7301,7900,7901Contents Page Contents PageDelivery inventory 3Symbols 3Safety precautions 4-1 5Denomination of components 16Technical data 17Mounting the guide bar and saw chain 18-19Chain brake 20Fuel I Refuelling 21-22Chain lubrication 23Starting the engine 24Stopping the engine 24Checking the chain brake 24Adjusting the carburetor 25Working in summer / winter 25Cleaning the brake band and sprocket interior 28Sharpening the saw chain 26-27Cleaning the guide bar 29Replacing the saw chain 29Replacing the suction head 29Cleaning the air filter 30Replacing the spark plug 31Replacing the starter cable 32Replacing the return spring 32Mounting the fan housing 33Cleaning the cylinder area 33Service, spare parts and guaranteeTrouble shooting 35Replacing / cleaning the spark arrester screenInstructions for daily and periodic maintenance333434-3536Extract from the spare parts listAdress list (see enclosure)The DCS 6400,6401,7300,7301,7900,7901 will be delivered in a protective cardboard box to prevent transportdamage. Cardboard is a basic raw material and is consequently reuseable or suitable for recycling (waste paperrecycling).2