3. Mounting
3.6 Adicional assembly recomendations
The installa on of a Coupling Lead Ramp is recommended for off-
road applica ons with many coupling and uncoupling opera ons, in
order to improve the life me of the JSK 38CXS/W product and
ensure a safe opera ng condi on, without damaging the integrity
of the product and consequently the Semi-Trailer used in the
opera on.
1
Fi h Wheel's coupling plate
2
Fi h Wheel's pedestal
3
Fi h Wheel's moun ng plate
4
"L" profile or equivalent
6
5
Chassis' cross member
6
Lead Ramp
40
1
2
3
4
5
MAN0053, 01/2024
When correctly designing, the coupling guide ramp, the dimensions
A and B, as shown in the figure below, must be taken into account,
ensuring fulfillment to the coupling requirements of the ISO 1726.
The Lead Ramp can be extended
to the chassis' cross member.
Quota
Value
A
Max. 50 mm
B (*)
Min. 7
C
(7 )
D (**)
JSK 38CXS: (153,5)
E (**)
(175)
(*) Minimum angle of the
combina on, running direc on,
in accordance with ISO 1726.
(**) Reference values
determined from primary
dimensions A and B.
The Lead Ramp must be wide enough to at least
coincide with the center of the fi h wheel's pedestal.
FIFTH WHEEL JSK 38CXS & JSK 38CXW
(235)
E
Theore cal pivot point