DCS 430, 431 DCS 520, 520i DCS 540 DCS 5200i Contents Page Delivery inventory 3 Symbols 3 Safety precautions 4-15 Denomination of components 16 Technical data 17 Approved bar and chain combinations 17 Mounting the guide bar and saw chain 18-19 Chain brake 19 Fuel / Refuelling 20-21 Adjusting the chain lubrication 21 Starting the engine 22 Stopping the engine 22 Checking the chain brake 23 Checking the chain lubrication 23 Adjusting the carburetor 23 Working in winter 24 Contents Page Sharpening the saw chain 24-25 Cleaning the guide bar 25 Cleaning the brake band and sprocket interior 26 Replacing the saw chain 26 Replacing the suction head 26 Replacing / cleaning the spark arrester screen 26 Cleaning the air filter 27 Replacing the spark plug 27 Replacing the starter cable 28 Replacing the return spring 28 Mounting the fan housing 28 Instructions for daily and periodic maintenance 29 Service, spare parts and guarantee 29-30 Troubleshooting 30 Extract from the spare parts list 31 Adress list 62