PRONAR T672ECO, User Manual

Page: 78 / 150

Chapter 4 Rules of use
4.8
PRONAR T672ECO
parking brake.
• Remove the cotter pin and remove
the coupling pin on the first trailer.
If the automatic rear hitch is used
in the trailer, the bolt should be
lifted up using the handle (2) -
figure (4.6).
• Adjust the height of the drawbar of
the second trailer so that the ma-
chines can be coupled.
• When reversing the tractor, drive the
rear hitch of the first trailer onto the
drawbar of the second trailer. In the
case of an automatic drawbar, make
sure that the aggregation operation
is completed and the drawbar eye of
the second trailer is secured.
• Install the pin and the cotter securing
the pin.
• Connect the braking, hydraulic and
electrical lines according to the in-
structions in section (4.3).
DISCONNECTING OF THE SECOND
TRAILER
• Block the tractor and trailer with
parking brake.
• Switch off the tractor engine. Close
the tractor cabin and secure it against
unauthorized access.
• Disconnect the braking, hydraulic
and electrical lines according to the
instructions in section (4.3).
• Unlock the coupling bolt on the first
trailer. Remove the bolt and drive the
tractor away.
H.3.4.619.03.1.EN
DANGER
When connecting / disconnecting nobody may be
between the trailers. Take special care. The person
who helps aggregate the machine should stand in a
place outside the hazardous area and be visible at
all times by the tractor operator.
After completing the coupling check the safety of the
pin hitch.
CAUTION
Only two-axle trailers with a permissible total weight
not greater than the parameters of the drawbar and
rear hitch of the towing trailer can be aggregated
with the trailer.
It is forbidden to connect a second trailer with a per-
missible total weight greater than the first.
When connecting two trailers to the tractor, both
should have the same type of braking system.
DANGER
The trailer with overrun brakes may only be towed
individually.
It is forbidden to combine the trailer with the overrun
brake in a set of two trailers.
R1 R2
R1>R2
259-H.06-1
Figure 4.6 Permissible weights of trailers