RUNNING GEAR OPERATION
36
Operating instructions • Semitrailer • 505369471-04 • 02/2019
Coupling
Depending on the design, the following
couplings may be installed:
○
Standard coupling heads (standard),
○
Duo-Matic coupling and
○
C-coupling heads.
Connecting the standard coupling
Fig. 5-14:
Example of standard coupling
head
þ
The parking brake on the tractor unit is
applied.
þ
The parking brake on the trailer is ap-
plied
(see "5.8.2 Parking brake", pg. 40)
.
► Check the cleanliness and integrity of
the sealing surfaces on the coupling
heads. Clean if necessary.
► Always connect the brake compressed
air coupling (yellow) first.
► Connect the supply compressed air
coupling (red).
► 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 "5.8.2 Parking brake", pg. 40)
.
► 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
1
2
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 "5.8.2 Parking brake", pg. 40)
► 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.