2. Step on the vehicle brake pedal at the position shown in the cockpit of Longgong 855B forklift.
3. Step on the brake pedal of Longgong 855B forklift, turn the engine key of Longgong 855B forklift and start the vehicle engine.
4. After the engine is started, click the switch at the position shown in the cab of Longgong 855B forklift to turn on the drain switch of Longgong 855B forklift.