Stihl BR 550 Product Instruction Manual - Page 18

English Fueling Preparations 452BA119 KN Toolless filler cap (with folding grip) N Turn the cap counterclockwise (approx. 1/4 turn). 001BA219 KN 001BA224 KN 452BA125 KN 452BA123 KN N Before fueling, clean the filler cap and the area around it to ensure that no dirt falls into the tank. Always thoroughly shake the mixture in the canister before fueling your machine. In order to reduce the risk of fire and personal injury from escaping gas vapor and fumes, remove the fuel filler cap carefully so as to allow any pressure build-up in the tank to release slowly. One of two different filler caps is installed as standard at the factory. Threaded filler cap Opening the toolless filler cap N Raise the grip into an upright position. 001BA218 KN N Remove fuel filler cap. Refueling Take care not to spill fuel while fueling, and do not overfill the tank. STIHL recommends use of the STIHL filling system (special accessory). Closing the toolless filler cap 452BA116 KN With grip in an upright position: 16 BR 500, BR 550, BR 600