10.1. MOTION ON PUBLIC ROADS AND TRANSPORTATION WORKS
Actually for the half of the time of its operation, the tractor is used for transporting pur-
pose with driving to public roads. Therefore, the transport MTA’s are subject to exclusive
safety standards. The vehicles such as tractor trailers or semitrailers shall be equipped with
service and parking brakes and safety chains (ropes).
The load-carrying capacity of the vehicles (trailers, semitrailers, fertilizer distributors and
spraying machines) depends on the relief of the locality, slope and condition of the roads.
With the account of the allowable longitudinal slope of 12 degrees, the total weight of the
semitrailer (trailer) equipped with brakes shall not exceed 9000 kg and that on relatively flat
area (with the slope of less than 4%) with dry hard road pavement – not more than 12000
kg.
The tractor’s track value shall correspond to the conditions of the works to be performed,
technical characteristics of the tractor and ensure the safe use of the tractor within machine-
tractor aggregates. When driving the tractor on the slopes and sharp turns increase the trac-
tor’s track for increasing the stability.
The service brake actuator is made as a single-wire scheme which is controlled from the
workplace of the tractor operator. The parking brake actuator shall be located on the ma-
chine.
Aggregation of the general-purpose vehicles (trailers and semitrailers) shall be made
through the traction hitch mechanisms ТСУ-2 or ТСУ-З. For the safety reasons, the coupling
with the traction hitch mechanisms ТСУ-1Ж a n d ТСУ-1 is strictly forbidden.
On rear left part of the machines such as trailers or semitrailers there shall be a sign of
limitation of the maximum speed of the MTA. The hole with the diameter of 24 mm in the
both cheeks of the lifting device serve as a place of attaching the safety chains (ropes) on
the tractor (the fasteners are included in the standard equipment of the technical mean to be
aggregated).
The tractor aggregation with the train (tractor + semi-trailer + trailer) is only allowed on dry
roads with hard pavement and slopes not exceeding 4%. When driving to the public roads,
the overall dimensions of the MTA shall not exceed: width – 2.6 m and height – 3.2 m.
In case of deviations from the provided norms, the consultation with the state authorities
responsible for the traffic safety is required.
IMPORTANT! When performing the transportation works on the roads with hard pave-
ments, increase the pressure in the tyres to the maximum value allowed by the manufac-
turer.
To connect the signaling equipment of the facilities to be aggregated, the tractor is pro-
vided with a receptacle with the socket for supplying the instruments of the aggregated
machine.
When driving the tractor on the public roads follow the following requirements:
1) The forward motion shall be only performed with the flashlight beacon switched on;
2) The reverse motion on the public roads is not allowed, because the light signalling de-
vices are only oriented to the forward motion;
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