Question 1106 from category Safety for Israeli license grades 1

How would you release the hydraulic oil pressure before disconnecting the supply piping from the tractor’s attachment or additional equipment?

  1. There are specific drainage taps for this purpose. They should be opened for a few seconds.
  2. Move the operation lever in all directions when the engine is off.
  3. Turn off the engine, wait a few minutes and only then disconnect the piping.
  4. Connect the pressure discharge passage between the supply line and the return line.