Coupling the hydraulic hose lines

All hydraulic hoses are equipped with handles. The handles have colour markings with a code number or a code letter. The markings are assigned to the respective hydraulic functions of the pressure line of a tractor control unit. Stickers are applied on the machine for the markings, which illustrate the respective hydraulic functions.

The tractor control unit is used with different types of actuation, depending on the hydraulic function:

Type of actuation

Function

Symbol

Latching

Permanent oil circulation

Momentary

Oil circulation until action is executed

Floating

Free oil flow in the tractor control unit

Designation

Function

Tractor control unit

Green

Working depth

Increase

Reduce

Double-acting

Blue

Edge levelling discs

Move

Double-acting

  1. Depressurise the hydraulic system between the tractor and the machine using the tractor control unit.
  2. Clean the hydraulic connectors.
NOTE

If the hydraulic hose lines are incorrectly connected, the hydraulic functions may be faulty.

  1. Couple the hydraulic hose lines 1 to the hydraulic sockets of the tractor according to the marking 2.

The hydraulic connectors lock perceptibly.

  1. Route the hydraulic hose lines with sufficient freedom of movement and without chafing points.