RUNNING GEAR OPERATION
Operating instructions • Load Carrier • 505410638-02 • 07/2019
33
► Connect the power supply (vehicle
lighting) and the brake power supply
(EBS).
ü The supply and control connections
are now connected.
Disconnecting the standard coupling
þ The parking brake on the tractor unit is
applied.
þ The parking brake on the trailer is ap-
plied (see "5.9.2 Parking brake", pg.37).
► Always disconnect the supply com-
pressed air coupling (red) first.
► Disconnect the brake compressed air
coupling (yellow).
► Disconnect the power supply (vehicle
lighting) and the brake power supply
(EBS).
► Close the disconnected coupling
heads and plugs with the protective
caps.
ü The supply and control connections
are disconnected.
Connecting the Duo-Matic coupling
Fig.5-15: Duo-Matic coupling
1 Compressed air coupling (tractor unit
part)
2 Compressed air coupling (trailer part)
þ The parking brake on the tractor unit is
applied.
þ The parking brake on the trailer is ap-
plied (see "5.9.2 Parking brake", pg.37).
► Check the cleanliness and integrity of
the sealing surfaces on the coupling
heads. Clean if necessary.
► Pull down the compressed air coupling
(trailer part) lever and insert the coup-
ling head (tractor unit part).
► Connect the power supply (vehicle
lighting) and the brake power supply
(EBS).
ü The supply and control connections
are now connected.
Disconnecting the Duo-Matic coupling
þ The parking brake on the tractor unit is
applied.
þ The parking brake on the trailer is ap-
plied (see "5.9.2 Parking brake", pg.37).
► Pull down the coupling head (trailer
part) lever and remove the coupling
head (tractor unit part).
► Disconnect the power supply (vehicle
lighting) and the brake power supply
(EBS).
ü The supply and control connections
are disconnected.
Connecting C-coupling heads
Fig.5-16: C-coupling heads (trailer)
1 Supply compressed air coupling
2 Brake compressed air coupling
þ The parking brake on the tractor unit is
applied.
þ The parking brake on the trailer is ap-
plied (see "5.9.2 Parking brake", pg.37).