Unscrew the dipstick and fill the crankcase with 4-stroke engine oil (SAE 10W-30 or 10W-40). The generator is shipped without oil; starting it dry will void the warranty.
This guide covers the setup, operation, and maintenance of the (Калибр БЭГ-5500А-2) gasoline generator, based on official technical documentation from VseInstrumenti.ru . Quick Technical Overview
If the AC circuit breaker trips, reduce the load before resetting it. 4. Maintenance Schedule