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 instructionsoutlined in this owners manual. Kickback may cause severe or fatal injury and.is 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 U.S.A.,INC., 149304 Northam Street, La Mirada, CA 90638-5753, USA, Telephone: (714) 522 80 88 and MAKITACANADA INC.,1950 Forbes Street, Whitby, Ontario, L1N 787, Canada, Telephone: (905) 571 22 00.4'1.This product complies with: American National Standard Institute B 175.1-1991 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" 1 ,.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. The following industrial property rights apply: US 4465440, US 5411382,EP 0236858, EP 0560201, GBM 8710075, GBM 8809928, GBM 9203378, GEM 29616652.DCS 430, DCS 431, DCS 520, DCS 5201, DCS 540, DCS 5200iContentsDelivery inventorySymbolsSafety precautionsDenomination of componentsTechnical dataApproved bar and chain combinationsMounting the guide bar and saw chainChain brakeFuel I RefuellingAdjusting the chain lubricationStarting the engineStopping the engineChecking the chain brakeChecking the chain lubricationAdjusting the carburetorWorking in winterPage334-1516171718-191920-2121222223232324Contents Page - .Sharpening the saw chain 24-25cCleaning the guide bar 25Cleaning the brake band and sprocket interior 26Replacing the saw chain 26Replacing the suction head 26Replacing I cleaning the spark arrester screen 26Cleaning the air filter 27Replacing the spark plug 27Replacing the starter cable 28Replacing the return spring 28Mounting the fan housing 28Instructions for daily and periodic maintenance 29Troubleshooting 30Extract from the spare parts !ist 31Adress list 62Service, spare parts and guarantee 29-30The MAKITA DCS 430, DCS 431, DCS 520, DCS 520i, DCS 540, DCS 5200i will be delivered in a protectivecardboard box to prevent transport damage. Cardboard is a basic raw material and is consequently reuseable orsuitable for recycling (waste paper recycling)..,'12