The DLE 120‑T4 engine user manual provides safety instructions, technical data, adjustment, start‑up and maintenance guidelines.
This manual explains safety precautions for the DLE 120‑T4 two‑stroke aircraft engine, including inspection of the propeller, engine mount, and the use of thread‑locking compound. It also stresses the need for a shock‑absorbing mount during break‑in and warns against operating the propeller area without protection.
The document lists the engine’s technical specifications, adjustment procedures for the carburetor and ignition sensors, step‑by‑step start‑up instructions for cold and hot conditions, and routine maintenance tasks such as fuel‑oil mixing, break‑in run‑time, and cleaning of the carburetor filters. This manual is written in Chinese.