Krone Profi Liner - Manoeuvring the trailer without a connected compressed air supply

RUNNING GEAR OPERATION
34
Operating instructions • Semitrailer • 505369471-04 • 02/2019
► Support the trailer with the landing leg
winches (see "5.2 Landing leg winches",
pg.25).
► Disconnect the supply and control
lines (see "5.6 Supply and control connec-
tions", pg.35).
► To compensate for the length of the
overall combination, briefly release the
parking brake on the trailer.
► Prepare and unlock the semitrailer
coupling on the tractor unit.
► Observe the operating instructions for
the tractor unit and the semitrailer
coupling.
► Slowly drive the tractor unit out by ap-
prox. 30cm.
► Lower the tractor unit's air suspension
by 5 - 10cm.
► Fully drive the tractor unit out.
► If necessary, lower the lift axle.
ü The trailer is uncoupled.
► After uncoupling, set the air suspen-
sion of the tractor unit to the driving
position.
5.5 Manoeuvring the trailer
without a connected com-
pressed air supply
INFO
Manoeuvring without a connected com-
pressed air supply is only permissible in
exceptional cases.
To manoeuvre the trailer without a connec-
ted compressed air supply, the service
brake (see "5.8.1 Service brake", pg.40)
must be released.
505821725-01
7
5
6
11
10
8 4
2
1
9 3
< 5"
7
5
6
11
10
8 4
2
1
9 3
+
> 5"
500626977-01
P
P
515040284-01
Senken / Stopp / Heben
Lower
/ Stop / Raise
Abgesenkt
Lowered
Fahrt
Drive
500626979-01
1 2
Fig.5-12: Control unit for brake system
1 Red control knob for the parking brake
2 Black control knob for the service
brake
þ The trailer's compressed air supply is
not connected.
► Press in the black control knob for the
service brake.
► Press in the red control knob for the
parking brake (see "5.8.2 Parking brake",
pg.40).
► The trailer brake is released.
ü The trailer can be manoeuvred.
► Pull out the black control knob for the
service brake again after manoeuvring.
► Press in the red control knob for the
parking brake.
ü The trailer brake is engaged.