Cannot lift with/without loads
Checking method: Press lifting button and listen to the sound
1. Recognize the sound of the lifting contactor (TDa" sound)
2. Recognize the sound of the hydraulic motor spinning
3. Recognize the sound of oil shortage in hydraulic stations("Tu tu tu" sound)
ldentify the sounds of hydraulic system
Sounds of hydraulic system
- No sound when the lifting button is pressed
- There is a Da sound of the contactor closing when lifting button is pressed
- There is sound of motor spinning when lifting button is pressed, and the sound remains after lifting button is released
- When the lifting button is pressed, there is the sound of the motor turning; when it is released, there is no sound.
- There is tu tu tu sound of oil shortage when lifting button is pressed