compatibility of the coupling dimensions;
the machines are provided with fixed drawbars;
the trailer hitches are equipped with a device facilitating the coupling of the trailer
with/uncoupling of it from the traction hitch device of the tractor;
the hitches of the semi-trailers are fitted with adjustable support.
The tractor is equipped with a rear lifting device in the form of vertical guiding plates. The
device is intended for fastening the traction hitching mechanisms ТСУ-2 and ТСУ-3 of the
design provided by the manufacturer.
It makes it possible to reposition the connection link of the traction hitch device to the
height and facilitated the dismantling.
The traction hitch mechanism ТСУ-1 (the crossbar is on the mounting axle of the mount-
ed attachment НУ-2) is only intended for aggregating with semi-mounted and semi-trailed
machines for performing the jobs at the speed of 15 km/h. The crossbar has a number of
holes for connecting. The normally aggregated machine is coupled through the middle hole
of the crossbar.
In case of necessity of matching the track of the tractor with the aggregated machine
(mainly harvesting) with insignificant draught resistance, an asymmetric connection is al-
lowed. The crossbar shall be acquired to the consumer’s order.
6. PTO and drive of the machines
The design and location of the rear power takeout (PTO) of the tractor complies with the
international standards. Therefore, in case of correct location of the machine’s power intake
shaft (PIS) relatively to its coupling link, the cardan shafts of the standard design can be
used.
The tractor is provided with the PTO shank 3 and PTO shank 4 (included in the spare
parts and accessories kit) for driving machines from the complete set of tractors of the K-
700 type or from the complete set of tractors belonging to the drawbar category 3 in the
mode of 1000.0 rpm. There is an economical PTO mode making it possible to ensure the
shank rotational speed of 1000 rpm in the partial operating mode at the rotational speed of
the engine of 1435.0 rpm.
The parameters of the PTO shanks are given in Table 6; the characteristic of the PTO
drive is given in Tables 2 and 3.
Attention!
1. For providing the protection of the PTO drive, it is expedient to equip the machine
with a protective coupling.
2. To avoid the overloads of the PTO drive when aggregating with the inertial machines
(fodder harvesters, etc.), it is necessary to use the cardan shaft with the overrunning clutch
on the PIS side.
3. The working torque on the cardan shaft shall not exceed the allowable torque on the
PTO.
The rear PTO of the tractor is provided with the shank of the type ВОМ1/ВОМ1С/ВОМ2.
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