4
Operation
4.3
Opening the fifth wheel coupling
G50/20
1
Lift the catch (1).
G50/21
A
B
2
Swing the handle (2) towards the
front into position
A
(to release
the lock).
Pull out the handle (2) as far as
possible into position
B
.
G50/22
C
2
With the handle (2) pulled out,
swing it forwards into position
C
and engage it on the edge of the
plate.
When opening the fifth wheel coupling without a semi-trailer
engaged, the fifth wheel coupling is to be opened as per Fig-
ures G50/20 and G50/21.
The fifth wheel coupling must be ready to engage before cou-
When opening the fifth wheel coupling with a semi-trailer en-
gaged, the fifth wheel coupling is to be opened as per Figures
G50/20, G50/21 and G50/22.
4.4
Coupling up a semi-trailer
Secure the semi-trailer to prevent it rolling away.
The fifth wheel coupling must be ready to engage (see section
4.2). If it is not, open the fifth wheel coupling (see section 4.3).
Check the height of the semi-trailer. The skid plate must ideal-
ly be at the same height as or no more than 50 mm lower than
the fifth wheel coupling plate.
Drive the tractor unit under the semi-trailer.
The locking mechanism will close automatically.
Perform a moving-off test in a low gear.
Check the locking mechanism (see section 4.6).
Connect the supply lines.
Retract the landing gear as described in the operating manual.
Release the parking brake and remove the chocks.
ATTENTION!
Check that the locking mechanism is closed before start-
ing any journey (see section 4.6).
10
MUB 002 004 M01
(REV-C)
04-2019
JSK 36 & JSK 37
JOST IND (REV-A) 06-2019
JSK 39
L
Summary of Contents for JSK 39
Page 26: ......
