User manual DLE DLE-30

[. . . ] With its high power output and light weight, it's ideal for your TOC airplane. [. . . ] adjust the Low needle until you achieve a smooth idle and a reliable transition to high throttle. If the engine dies when the throttle is advanced, the mixture is likely too lean. If the engine stumbles when the throttle is advanced, the mixture is likely too rich. A too rich mixture will only result in poor engine performance, pre-mature carbon buildup, a fouled plug and excessive exhaust residue. however , a lean mixture will also damage the cylinder and piston badly. After few flights, check the spark plug, it appears to be yellow if mixture had been set properly. 3180 Carburetor can be rotated 180° for use, please be ware the direction of gasket when the carburetor is rotated. Step 1: Close the Choke and turn on the ignition, advance throttle to full position. [. . . ] Carefully remove the pump cover (inlet side of the carburetor), gasket and pump membrane. [. . . ]