JSC Peterburgsky Traktorny Zavod KIROVETS K-744R1 User manual

OPERATION MANUAL
744R-0000010 IE
KIROVETS tractors K-744R1, K-744R2
K-744R3, K-744R4
JSCPeterburgskyTraktornyZavod
KirovskyZavodOJSC
47Stachek prospect, St.Petersburg, 198097,Russia
www.kirovets-ptz.com

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
Due to continuous activities on the improvement of tractors enhancing their reliabil-
ity and improving their operating conditions, insignificant changes can be intro-
duced into the design, which are not reflected herein.
ABBREVIATIONS
GB - gearbox
PW - paintwork (paint-and-lacquer coating)
PTO - power take-off
ET - electric torch
PDR - pump drive reducer
SPTA - spare parts, tools and accessories
DM - daily maintenance
M-1 - first maintenance
M-2 - second maintenance
M-3 - third maintenance
M-SS - spring-summer maintenance
M-AW - autumn-winter maintenance
TSS - tractor service station
St - standard
Pr - premium
Edition as of 2016

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
DEAR CUSTOMER,
Warranty service, maintenance and repair of your tractor shall be carried
out by representatives of JSC Peterburgsky Traktorny Zavod service
centers only 
JSC Peterburgsky Traktorny Zavod service centers are carrying out:
Types of maintenance
Frequency
in engine hours of tractor op-
eration
Maintenance at the preparation of a new or overhauled trac-
tor for operation running-in
---
Maintenance of tractor at the execution of running-in
10
Maintenance upon completion of running-in:
K-744R1St tractor
50
tractors of remaining models
30
First maintenance (M-1)
125
Second maintenance (M-2)
500
Third maintenance (M-3)
1,000
Seasonal maintenance (M-SS), (M-AW)
At the transition to spring-
summer or autumn-winter oper-
ation conditions
Maintenance in special operation conditions (sandy, stony
or boggy soils, desert, low-temperature and high-mountain
conditions)
It shall be performed in the con-
ditions drastically differing from
typical ones
Maintenance during long-term storage
It shall be performed in closed
premises not less than once
every 2 months, and under a
canopy and at outdoor sites –
once a month
During the post-warranty period, it is also recommended to contact ser-
vice centers of JSC Peterburgsky Traktorny Zavod.
If maintenance and repairs are not carried out in specialized service cen-
ters of JSC Peterburgsky Traktorny Zavod, the manufacturer does not
bear responsibility within the warranty and post-warranty period for the
quality of released products.
The addresses of service centers are indicated in the service books for the tractor and on the Peterburgsky
Traktorny Zavod JSC’s web site.

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
3
CONTENTS
1 INTRODUCTION...............................................................................................................14
2 SAFETY REQUIREMENTS...............................................................................................15
2.1 GENERAL...................................................................................................................15
2.2 SAFETY MEASURES DURING DEPRESERVATION, INSTALLATION, TEST
OPERATION AND RUNNING-IN.......................................................................................16
2.3 SAFETY MEASURES DURING TRACTOR OPERATION ...........................................16
2.4 SAFETY MEASURES DURING MAINTENANCE, TROUBLESHOOTING AND
PLACEMENT FOR STORAGE..........................................................................................21
2.5 FIRE SAFETY REQUIREMENTS................................................................................23
3 GENERAL DESCRIPTION AND TECHNICAL FEATURES..............................................25
3.1 PURPOSE AND SCOPE OF APPLICATION OF THE TRACTOR................................25
3.2 BRIEF DESIGN DATA.................................................................................................30
3.3 BASIC TECHNICAL DATA ..........................................................................................57
4 CONTROLS......................................................................................................................60
4.1 INSTRUMENT PANEL ................................................................................................60
4.2 CONTROL PANEL ......................................................................................................67
4.3 STARTER AND INSTRUMENT SWITCH.....................................................................69
4.4 TRACTOR SYSTEM CONTROL..................................................................................71
4.5 UNDERSTEERING SWITCH.......................................................................................74
4.6 SWITCHES AND ACCESOIRIES AT THE OVERHEAD PANEL IN THE CABIN..........75
4.7 SWITCH AND PROTECTION PANEL .........................................................................75
4.8 DRIVER’S SEAT AND ADDITIONAL SEAT .................................................................78
4.9 LIGHTING AND ALARMS............................................................................................78
4.10 ENGINE PREPARATION AND START-UP................................................................79
4.11 ENGINE START-UP AT NEGATIVE TEMPERATURES............................................80
4.11.1 Safety measures when using the heater .............................................................81
4.11.2 Heater operation .................................................................................................82
4.12 ENGINE START-UP FROM EXTERNAL POWER SUPPLY.......................................85
4.13 HVAC SYSTEM OPERATION...................................................................................85
4.14 TAKING OFF.............................................................................................................87
4.15 GEAR CHANGE........................................................................................................91
4.16 STOPPAGE...............................................................................................................91
5 FINAL ASSEMBLY, ADJUSTING AND RUNNING-IN......................................................93
5.1 GENERAL...................................................................................................................93
5.1.1 Adjustment of lower rods.......................................................................................95
5.1.2 Installation of light signalling equipment................................................................96
5.1.3 Adjustment of head illumination lamps..................................................................97
5.2 TRACTOR RUNNING-IN.............................................................................................98
6 OPERATION AND ADJUSTMENT REGULATIONS.......................................................100
6.1 PROCEDURE FOR TRACTORWORK PREPARATION ...........................................100
6.2 OPERATION RULES AND CONTROL OVER TRACTOR DURING OPERATION .....105
6.3 INSTALLATION AND DISMANTLING OFWHEELSWITH TYRES............................107
6.4 CONNECTION OF THE HYDRAULIC SYSTEMOF AGRICULTURAL MACHINES,
IMPLEMENTS AND VEHICLES TO THE TRACTOR HYDRAULIC SYSTEM ..................115
6.5 CONNECTION OF AGRICULTURAL MACHINES, IMPLEMENTS AND VEHICLES
WITH TRACTOR DRAWBARS........................................................................................116
6.6 PROCEDURE OFOPERATIONWITH AGRICULTURAL MACHINES (IMPLEMENTS)
AND VEHICLES..............................................................................................................120

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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6.6.1 Procedure of operation with mounted and semi-mounted agricultural machines
(implements)................................................................................................................120
6.6.2 Tractor operation with plows ...............................................................................121
6.6.3 Procedure of operation with vehicles...................................................................122
6.6.4 Operation with power take-off (PTO)...................................................................122
6.7WINTER OPERATION FEATURES...........................................................................123
6.8 RULES OFTRACTOR TRANSPORTATION, TOWING AND JACKING.....................124
6.9 GEARBOX PRESSURE CONTROL AND ADJUSTMENT .........................................126
7 MAINTENANCE..............................................................................................................128
7.1 TYPES AND FREQUENCY OF MAINTENANCE.......................................................128
7.2 LIST AND CONTENTS OFWORK BY TYPES OF MAINTENANCE TOBE
PERFORMED BY OPERATOR INTHE PROCESS SEQUENCE....................................129
7.3 TYPES AND LISTS OF MAINTENANCE OPERATIONS DURING STORAGE...........136
7.4. LUBRICATION TABLE.............................................................................................138
7.5 CONTENTS AND PROCEDURE OF MAINTENANCE OPERATIONS.......................143
7.5.1 Change of oil in the engine..................................................................................143
7.5.2 Adjustment of cylinder valves at 8481 engine......................................................143
7.5.3 Air cleaner maintenance .....................................................................................147
7.5.4 Cooling system maintenance..............................................................................149
7.5.5 Gearbox maintenance.........................................................................................154
7.5.6 Maintenance of driving axles, service brakes......................................................156
7.5.7 Cardan shaft maintenance..................................................................................158
7.5.8 Maintenance of tractor pneumatic system...........................................................158
7.5.9 Maintenance of hydraulic systems of the linkage and for steering control ...........160
7.5.10 Maintenance of tractor wheels ..........................................................................164
7.5.11 Electrical equipment maintenance.....................................................................165
8 STORAGE REGULATIONS............................................................................................169
8.1 TRACTOR PREPARATION FOR SHORT-TERM AND LONG-TERMSTORAGE......169
9 TROUBLESHOOTING....................................................................................................171
10 CLAIMING PROCEDURE.............................................................................................177
APPENDIX 1 DIAGRAM OF THE PNEUMATIC SYSTEM OF K-744R1, K-744R2
TRACTORS.................................................................................................................179
APPENDIX 1А DIAGRAM OF THE PNEUMATIC SYSTEM OF K-744R3, K-744R4
TRACTORS.................................................................................................................180
APPENDIX 2 HYDRAULIC SCHEMATIC DIAGRAM OF THE SYSTEMS FOR
STEERING CONTROL AND OPERATING EQUIPMENT............................................181
APPENDIX 3 KINEMATIC DIAGRAM OF TRANSMISSION ........................................182
APPENDIX 4 TIGHTENING TORQUE VALUES FOR FASTENERS OF MAIN
ASSEMBLIES..............................................................................................................183
APPENDIX 5 LIST OF PERMISSIBLE CHANGES FOR OILS AND LUBRICANTS.....184
APPENDIX 6 REFILL RESERVOIRS...........................................................................185
APPENDIX 7 LOGBOOK OF MEASUREMENTS OF THE INTERNAL AIR PRESSURE
IN TYRES....................................................................................................................187
APPENDIX 8 TYRE OPERATION RECORD CARD....................................................188
APPENDIX 9 LIST OF ELECTRICAL EQUIPMENT ELEMENTS FOR THE ELECTRICAL
DIAGRAM OF K-744R1 STANDARD TRACTOR.........................................................189

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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APPENDIX 9А LIST OF ELECTRICAL EQUIPMENT ELEMENTS FOR THE
ELECTRICAL DIAGRAM OF K-744R1 PREMIUM TRACTOR.....................................196
APPENDIX 9B LIST OF ELECTRICAL EQUIPMENT ELEMENTS FOR THE
ELECTRICAL DIAGRAM OF K-744R2, K-744R3, K-744R4 STANDARD TRACTORS202
APPENDIX 9C LIST OF ELECTRICAL EQUIPMENT ELEMENTS FOR THE
ELECTRICAL DIAGRAM OF K-744R2, K-744R3, K-744R4 PREMIUM TRACTORS...208
APPENDIX 10 Electrical connection diagram for K-744R1 Standard tractor.......insert
APPENDIX 10A Electrical connection diagram for K-744R1 Premium tractor.....insert
APPENDIX 10B Electrical connection diagram for K-744R2, K-744R3, K-744R4
Standard tractors................................................................................................insert
APPENDIX 10C Electrical connection diagram for K-744R2, K-744R3, K-744R4
Premium tractors................................................................................................insert

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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NOTICE TO OPERATOR!
Before proceeding to work on your tractor please thoroughly read this instruction and
operation manual for the engine installed on your tractor. Strictly follow the operation
and maintenance guidelines.
IN ORDER TO PREVENT FRAME DE-
STRUCTION, BEFORE TRACTOR TRAVEL-
LING IT IS REQUIRED TO DISMANTLE THE
SHACKLE THAT LOCKS TRACTOR SEMI-
FRAMES DURING TRANSPORTATION.
Dismantled shackle with fasteners shall be
installed at the front link bosses of the rear
semi-frame.
IT IS PROHIBITED to work with the tractor without fire-extinguishing means. The tractor shall
be equipped with fight-fighting inventory including fire-extinguisher and shovel.
IT IS PROHIBITED to work with the tractor having faulty devices.
IT IS PROHIBITED to use parking brake during motion.
IT IS PROHIBITED to tow the tractor by suspension unit.
IT IS PROHIBITED to fill the engine cooling system and heating system with water.
IT IS ABSOLUTELY PROHIBITED to switch on the heater without cooling fluid.
IT IS PROHIBITED to open plugs of the tank filler at the cooling fluid temperature over 70°С.
IT IS PROHIBITED to work with the tractor having faulty steering control, brake system, elec-
trical lighting and alarm signal system.
IT IS PROHIBITED to use fuses with rated value contradicting to the electrical diagram val-
ue.
IT IS PROHIBITED to use coasting during motion down the slope.
IT IS PROHIBITED to be under the tractor when the engine is operating.
IT IS PROHIBITED to work with the tractor at a voltage exceeding the voltage controller level
set in accordance with the ambient temperature, in order to avoid an explosion of storage
batteries.
Shackle

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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IT IS PROHIBITED to operate the engine with unsealed air feed channels from the air clean-
er to the engine and dust suction channels from the air cleaner.
IT IS ABSOLUTELY PROHIBITED to work with clogged or ice-covered grill of the air intake
pipe cover and without free discharge of gases from the exhaust pipe.

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
8
REMINDER FOR OPERATOR
Before proceeding to work with the tractor,
please thoroughly read the operation manual
for the tractor, paying special attention to the
“Safety requirements” section.
To ensure safe work with the tractor, primari-
ly study all the requirements set forth in this
section and further strictly fulfill them, espe-
cially the following:
●At turns, select the speed providing for safe
travel. IT IS PROHIBITED to make a sharp
turn at a gear exceeding the first gear of the
fourth mode.
●When working on slopes, exercise caution,
carefulness in tractor driving and meet the
following conditions:
–do not shut off the engine and do not
change gears and modes on steep ascents
and descents;
–when overcoming an ascent requiring actu-
ation of both axles, perform actuation of the
rear axle beforehand;
–during motion down the slope, IT IS PRO-
HIBITED to use coasting;
–it is allowed to work across the slope (slope
angle shall not exceed 5°) only with the
“slow” position of the mode change lever;
avoid sharp turns and moving over obstacles.
●When crossing dams, dikes and bridges,
make sure of the possibility to drive ahead
and use only low gears.
●Trenches, hillocks and other obstacles
shall be crossed by tractors with mounted
implements at the right angle, at a low gear,
avoiding sharp pounding and large rolls of
the tractor.
●Maximum speed of a tractor train motion
(up to 30 km/h) is allowed only on roads with
dry hard pavement.
●When using the tractor for hauling opera-
tions on snowy, overmoistened and other
roads with a low adhesion coefficient, as well
as on slopes, turns, hillsides, glaze ice, etc.,
travel at low gears, do not admit abrupt brak-
ing and turning.
●When moving on slippery roads, it is rec-
ommended to drive the tractor train
“stretched out” - to this end, brake the
hooked-up vehicle first by means of hand
brake valve and then use the tractor brakes.
●IT IS PROHIBITED to use parking brake in
motion and manual fuel feed lever in hauling
operations.
●Traveling speed of the tractor with mounted
implements shall not exceed 15 km/h in mo-
tion over an even road and 10 km/h in motion
over a bumpy road or off-road.
●When the tractor is moving with a tyre
pressure below 1.7 kgf/cm2, the speed shall
not exceed 20 km/h.

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
9
SYMBOLS
Symbols being used on the tractor (instrument panel, fuse block, throw-in lever for lighting
and signal units) are given below.
fuel
air filter
oil pressure in engine
emergency air pressure in the
1st circuit
engine oil temperature
emergency air pressure in the
2nd circuit
engine cooling fluid emergency tem-
perature
oil level in the hydraulic system
emergency engine oil temperature
emergency oil temperature in the
hydraulic system
engine oil filter
parking brake
engine fan coupling actuation
pressure in the pneumatic sys-
tem
engine error (for Mercedes engine)
marker lights
oil pressure in transmission
front head lighting
gearbox oil filter
rear head lighting
actuation of stops
low beam
storage battery
high beam
heater fan
neutral gear
front window washer
pressure filter of mounted im-
plements
front window wiper
pressure filter of steering control
rear window wiper/washer
thermostart (electric torch ET)
left turn indicator activation
power take-off shaft engaged
right turn indicator activation
power take-off shaft disengaged
Emergency alarm
slower
“Road-train” sign
faster

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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horn
flasher lamp
battery master switch
linkage lifting
linkage lowering
floating position of hydraulic
paths to connect hydraulic im-
plements
floating position of linkage
service operations of hydraulic
implements

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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INSTRUCTION PLATES
Center of gravity symbol
Diagram of connection to quick lock couplings of hy-
draulic system
Control unit handles
lowering lifting
lowering lifting
lifting
lifting
lowering
lowering
INTERMEDIATE BEARING LUBRICATION POINT

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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ATTENTION!
DO NOT TOUCH!
SLINGING DIAGRAM FOR K-744R1, K-744R2, K-744RЗ,
K-744R4 TRACTORS
Weight,
kg
Static loads on each sling
Р1kg
Р, kg
17000
max
4550
max
3950
max
L front sling = 3.5 m (min)
L rear sling = 3.0 m (min)
Spacer bushing fixes the stems of swing hydraulic
cylinders against tractor “jack-knifing” in the
course of lifting
Hydraulic cylinder
Spacer…
Tank … mounted
MAIN SAFETY RULES
•When moving, select the speed providing for timely stoppage and
safe turning of the tractor (tractor train).
•Maximum speed of a tractor train motion (up to 30 km/h) is allowed
only on roads with dry hard pavement.
•• Do not switch modes in GB during tractor (tractor train) motion on
steep ascents and descents.
•• Be especially careful during tractor motion across the slope: do
not perform operations at the speed exceeding 13.4 km/h (modes I
and II), avoid sharp turns and driving over obstacles.
•When uncoupling pieces of equipment and trailers, disconnect the
connectors of electrical, hydraulic and pneumatic systems.
IT IS PROHIBITED TO DO THE FOLLOWING:
•Enter tight turns at speeds over 16 km/h (gear 1 of mode IV).
•Switch off the engine during motion on sharp ascents and de-
scents.
•Use coasting during motion down the slope.
•Use the manual fuel feed lever (hand throttle) in hauling op-
erations.
•Drive the tractor at the speed over 20 km/h with the tyre pres-
sure below 1.7 km/cm.
•Operate the tractor in motion across the slope with the slope
angle exceeding 5 degrees.
FIRE EXTINGUISHING PROCEDURE
•De-energise the electrical system - press the "Battery discon-
nect switch" button.
•Stop the engine.
•Extinguish the center of fire, using a fire-extinguisher or any
other available means.

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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ATTENTION!
Use the “neutral gear after stop only” position of
the gear-change lever (switching on the syn-
chroniser brake) only when changing over the
modes
Diagram of hydraulic distributor section control
Layout of the pump flow control handles
Operator’s seat
Layout of flow controlvalves of hydraulic distributor
sections

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
14
1 INTRODUCTION
The Operation Manual for Kirovets K-744R1, K-744R2, K-744R3, K-744R4 tractors is intend-
ed for drivers, mechanics and other persons related to operation of such tractors. The manu-
al contains a brief description of the design of tractors and their specifications, main rules of
operation and maintenance. The data on engines of models YAMZ-238ND5 (YAMZ OJSC),
8481.10 (TMZ OJSC), OM460LA (Mercedes), Cummins are set forth in the operation manu-
als which are supplied together with the tractors and are an integral part of this book.
Before proceeding to tractor operation, it is necessary to study its design and operation rules.
Long-term and reliable operation of Kirovets tractors is ensured in case of proper operation
and timely execution of maintenance.

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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2 SAFETY REQUIREMENTS
2.1 GENERAL
Tractor design ensures safety of tractor operations.
In order to avoid accidents, strictly observe the “Road
traffic rules” and safety measures set forth in this
section.
A failure to observe the safety regulations can lead to an accident
or injuries.
Only properly trained personnel should be admitted to work with the tractor.
The tractor should be completely equipped and serviceable.
A first aid kit stocked in accordance with effective regulatory docu-
ments should be installed and fixed in the tractor cabin.
If needed to use cabin windows as an escape exit, break the glasses with the hammer pro-
vided for in the cabin.
Keep the cabin clean; no foreign objects are allowed in the cabin.
Allowing more than two persons including the
driver in the tractor cabin IS PROHIBITED.
The seats shall be in good working condition.
The driver and the passenger shall be fastened
by safety belts.
In case any fault occurs, the tractor shall immediately be stopped in order to eliminate them.

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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2.2 SAFETY MEASURES DURING DEPRESERVATION, INSTALLATION,
TEST OPERATION AND RUNNING-IN
In the course of tractor washing, application and
removal of lubricants and paintwork coatings the
workers shall be provided with aprons, gantlets and
protective goggles.
Prepare the tractor for operation only with the engine be-
ing shut down and the parking brake being pulled up;
mounted implements shall be lowered.
IT IS PROHIBITED to be under the
tractor as well as in the area under the
hinge pivot device of the frame with the
engine being in operation.
During depreservation, installation, assembly, test operation and running-in follow the guide-
lines set forth in the corresponding sections.
Perform depreservation and preservation of the tractor in a specially equipped room with ob-
servance of all occupational and industrial safety regulations and fire safety regulations.
2.3 SAFETY MEASURES DURING TRACTOR OPERATION
Before starting the engine, the change-gear lever and the change-mode level shall be in the
“Neutral N” position (Fig.15); levers of the hydraulic distributor of mounted implements shall
be in the “Neutral” position; the parking brake shall be pulled up.
Before taking off, make sure that the road is free, that there are no people between the trac-
tor and the agricultural implements as well as in the area of frame hinge pivot device. Issue a
warning sound signal at the beginning of movement.
Before leaving the tractor, set the change-gear lever and the change-mode level into the
“Neutral N” position (Fig.5); levers of the hydraulic distributor of mounted implements - into
the “Neutral” position; pull up the parking brake and shut down the engine.

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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In order to avoid overheating of the hydraulic system, do not leave the tractor in the position
of full swing (up to the stop) of the semi-frames to the right or to the left.
When working with cables on towing hooks, IT IS PROHIBITED to be in the cable radius ar-
ea.
IT IS PROHIBITED to use parking brake during motion.
IT IS PROHIBITED to tow the tractor by suspension unit.
When the tractor is moving with linkage being lifted incompletely, it is necessary to adjust the
horizontal brace struts for a length preventing from touching the elements of the linkage of
the rear wings.
See for the readings of monitoring devices and their operability. IT IS PROHIBITED to work
with the tractor having faulty devices.
IT IS PROHIBITED to open plug of the expansion tank at the cooling fluid temperature over
70°С.
In case of accident or excessive increase of the engine crankshaft rotation rate, immediately
deactivate the fuel feed using the shutdown handle.
IT IS ABSOLUTELY PROHIBITED to work with the tractor having faulty steering control,
brake system, electrical lighting and alarm signaling.
All tractor control levers shall admit fixing in the corresponding positions.
Tractor brakes shall be in good working condition. When braking the tractor traveling over dry
and hard ground using the service brake, the braking distance shall not exceed 13 m at the
speed of 8.33 m/s (30 km/h) and 6.5 m at the speed of 5.6 m/s (20.2 km/h). The brake pedal
being fully depressed shall not bump up against the cabin floor.
Air pressure in the pneumatic system of brakes in the course of operation shall be equal to
0.65-0.8 MPa (6.5 –8.0 kgf/cm2).
The storage batteries shall be reliably fastened, closed with a lid and shall have no electro-
lyte leaks.
Before switching on the "battery disconnect” switch after a long-term outage of the tractor
(over 24h), especially in summer season, open the lid of the storage battery container for a
period of not less than 5 min in order to remove the explosive hydrogen-air mixture generat-
ed in the self-discharge process.
See for the condition of electrical equipment. Sparking, break of wires and terminals, espe-
cially near heated parts and at places of possible ingress of oil and fuel thereon are not al-
lowed.
The permissible tractor speed at access driveways and passageways shall not exceed 10
km/h.

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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When turning, select the speed providing for a safe traffic. IT IS PROHIBITED to enter tight
turns at a gear exceeding the first gear of the fourth mode.
When crossing dams, dikes and bridges, make sure of the possibility to drive ahead and use
only low gears.
Before passing route portions requiring engagement of both driving axles (ascents, heavy-
going areas), actuate the rear axle beforehand.
When working on slopes, exercise caution, carefulness in tractor driving and meet the follow-
ing conditions:
do not shut off the engine and do not change gears and modes on steep ascents and
descents;
during motion down the slope, IT IS PROHIBITED to use coasting;
it is allowed to operate across the slope (slope angle shall not exceed 5°) only in
modes I...II, avoiding sharp turns and not driving over obstacles.
Ford across water obstacles only after a thorough preparation and inspection of the route of
travel. Fording is allowed with the depth of 0.8 m max for K-744R1 tractors and 1.0 m max
for K-744R2, K-744R3, K-744R4 tractors.
Coupling to, and mounting of agricultural machines and implements on the tractor shall be
carried out by persons operating such machines. Coupling worker who mounts a machine
shall stay aside until full stop of the tractor and begin coupling (mounting) only after driver’s
signal.
During operation of the tractor with agricultural machines and implements, observe the safety
rules set forth in the operation manual for such machines or implements.
Approach the agricultural machines, implements or trailers on the tractor at the minimum
speed with the drain gate drive pedal being depressed incompletely, having honked in ad-
vance.
Having connected the trailing implements and pumped through the hydraulic system, check
the level of oil in the hydraulic tank and, if necessary, refill it.
IT IS STRICTLY PROHIBITED to stay under an agricultural implement being lifted.
In case of long-term outage, do not leave the mounted agricultural implement in the lifted po-
sition. IT IS ABSOLUTELY PROHIBITED to stay under the implement being lifted.
When working with hydraulic agricultural machines and implements, it is necessar6y to re-
member that the maximum working pressure at the outlet of quick lock rupture devices is at
least 15.0 MPa (150 kgf/cm2).

KIROVETS K-744R1, K-744R2, K-744R3, K-744R4 tractors
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Trenches, hillocks and other obstacles shall be crossed by tractors with mounted implements
at the right angle, at a low gear, avoiding sharp pounding and large rolls of the tractor.
IT IS PROHIBITED to travel on trailing implements and mounted machines not designed for
this purpose, and outside the tractor cabin.
Trailing implements and trailers shall have rigid couplers preventing their infall on the tractor.
In case of tractor disconnection from trailing implements or trailers, first disconnect the
pneumatic systems and electrical equipment.
Only those persons who are aware of the rules of work with trailers, semi-trailers and other
vehicles should be admitted to work with them.
When hooking up trailers and semi-trailers, connect their safety chains to the connecting
links located on the lifting nuts of the linkage braces.
When using the tractor in hauling operations, it is necessary to take the following precau-
tions:
execute works with the “Road-train” sign being switched on;
check reliability of the pneumatic system operation;
pay special attention to the choice of travel speed with the account of road conditions,
radiuses of turn, visibility, features and condition of vehicles and the load being con-
veyed;
when operating the tractor on snowy, overmoistened and other roads with a low ad-
hesion coefficient as well as on slopes, turns, hillsides, glaze ice, etc., travel at low
gears, do not admit abrupt braking and turning;
when moving on roads with a low adhesion coefficient, it is recommended to drive the
tractor train “stretched out” - to this end, brake the hooked-up vehicle first by means
of the hand brake valve 17, Fig.14, and then use the tractor service brakes;
in case of occurrence of a danger for driving, take measures to decrease the speed
and stop the road-train;