Uncoupling the pneumatic brake system

  1. Uncouple the red coupling head of the brake line 2 from the tractor.
  2. Couple the red coupling head with the empty coupling on the implement.
  3. Uncouple the yellow coupling head of the brake line 1 from the tractor.
  4. Couple the yellow coupling head with the empty coupling on the implement.
  5. Close the tractor coupling head caps.