2022.3-0000010 OM
19
Brakes:
Working brakes are multidisk, oil-lubricated, located on shafts of the driving gears of
the final drives. Working brakes control is interlocked with a pneumatic drive of trailer
brakes. The working brakes control drive is hydrostatic.
The parking brake is brought into coincidence with the working brakes, it has an in-
dependent manual mechanical control. The control is interlocked with the pneumatic drive
of trailer brakes.
The trailer brakes control drive is either single-wire pneumatic or double-wire
pneumatic, or combined pneumatic, interlocked with tractor brakes control.
The rear power takeoff shaft of BELARUS-2022.3/2022 .3 is continuous four-
speed, with soft start-up, it has two modes: basic and economy. The direction of rotation is
clockwise when viewed from the shaft end face.
The rear power takeoff shaft of BELARUS-1822.3/1822 .3 is continuous two-
speed, with soft start-up, it has only basic mode. The direction of rotation is clockwise
when viewed from the shaft end face.
The supply variant 1:
The tractor is equipped with the PTO shaft end extension 3 (20 splines) as per
GOST 3480,
The tractor set of spare parts, tools and accessories is completed with the PTO
shaft end extension 1c (8 splines) as per GOST 3480 and the PTO shaft end extension 2
(21 splines) as per GOST 3480 and ISO500.
The supply variant 2:
The tractor is equipped with the PTO shaft end extension 2 (21 splines) as per
GOST 3480 and ISO500
The tractor set of spare parts, tools and accessories is completed with the PTO
shaft end extension 1 (6 splines) as per ISO500 and the PTO shaft end extension 3 (20
splines) as per ISO500.
The front PTO (mounted on BELARUS-2022.3/2022 .3 against order) is continuous,
single-speed with a PTO shaft end extension of type 2 (21 teeth) under GOST 3480. The di-
rection of rotation is clockwise when viewed from the shaft end face.
The transmission hydraulic system provides for the following:
switching of gearbox reduction unit passes, RPTO, FPTO and FDA drives, differen-
tial lock;
filtration of transmission oil;
pressure feed lubrication of gearbox bearings, planetary gear groups of the rear axle,
FDA support;
clutch hydraulic booster operation.
Steering is hydrostatic. The feed pump is gear-type, the direction of rotation is left.
The dosing pump is gerotor-type. The type of the rotation mechanism - two hydraulic cyl-
inders of bidirectional operation and a steering linkage.
The
front driving axle is portal-frame, beam-type with planetary-cylindrical final
gears. The main drive is a pair of bevel gears with circular teeth. The differential is self-
locked, with increased friction. The FDA is driven from the gearbox through the frictional
hydraulically-operated clutch and the crankshaft. The FDA control is electro-hydraulic.
The hydraulic lift linkage is remote-cylinder, providing for the draft, position and
combined and depth control of agricultural machinery, and suppression of vertical oscilla-
tion of agricultural implements in traveling position; with electrohydraulic system (EHR) of
rear lift linkage automatic control. The system has three pairs of independent outlets.
Free drain is available at the back of the tractor for operation with hydraulic units
with constant delivery, hydraulic motors for instance.
The rear lift linkage is a three-point linkage of category 3 under ISO 730 and a link-
age 3 under GOST 10677. There are two cylinders 90x250.
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