Engine fuel system
Fuel pump
Type: six-plunger, in-line with priming
pump: PP6M10P1f-3492 «MOTORPAL»
(Czechia) or 363.1111003-40.03 «YAZ-
DA» (Russia).
Regulator: mechanical, variable speed,
with fuel supply corrector, automatic en-
gine fuel feed, smoke suppression
Injector ФДМ-22 with five-hole closed-
type atomizer.
Pressure at the beginning of fuel injection
— 21,6…22,4 MPa (220…228 kgf/cm
2
).
Fuel injection advance angle till UDC
— 22°±1°.
Air cleaner
Type: Dry with three-stage cleaning,
changeable paper filter element and
clogging indicator.
Filter elements: paper filters – elements
made of highly porous paperboard.
Turbocharger: ТКР-7 type, radial inward
turbine and radial-flow compressor, as-
sembled on one shaft.
Installation of foreign producers turbo-
chargers is possible.
Engine cooling system
Type: Pressurized liquid cooling system
with automatic temperature control by
friction clutch and two thermostats.
Oil cooling: by oil-to-water heat ex-
changer, built into cylinder block.
Normal operating temperature
from 80°C to 97°C. Cooling system capaci-
ty: 24 L
Engine lubrication system
Type: Combined, with oil-to-water heat
exchanger built into cylinders block.
Oil filters: centrifugal filter and filter with
changeable paper filter element.
Oil pressure at minimum speed – 0.08
MPa (0.8 kgf/cm
2
), at rated speed–
0.28…0.45 MPa (2.8…4.5 kgf/cm
2
),
Lubrication system capacity — 22 l.,
including engine crank case— 18 l.
Oil system capacity — 22 l, including
engine crank case — 18 l.
Engine Starting System
24 V starting motor
Starting aid:
Heating plugs (for tractors “BELARUS-
1221.3”)
Clutch coupling
Type: Dry friction, double-disk, with tan-
gential suspension of pressure disk.
Disk diameter: 340 mm.
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