MTZ Kirovets K-744 2020 User manual

P/N MTZOMK-744
Kirovets K-744
Operator Manual
®
©
The State of California requires the above two warnings. Additional Proposition 65 Warnings can be found in the manual
If this product contains a gasoline engine
The engine exhaust from this product contains
chemicals known to the State of California to cause
cancer, birth defects and other reproductive harm
CALIFORNIA
Proposition 65 Warning
Diesel engine exhaust and some of its constituents
are known to the State of California to cause
cancer, birth defects and other reproductive harm
WARNING

2

MTZ-KIROVETS K744 OPERATOR MANUAL
3
IMPORTANT
If this tractor is used by the owner OR an employee OR is loaned OR rented, make certain that prior to
operating, the Operator(s);
1. Reviews and understands this manual pertaining to the tractor
And
2. Is instructed in safe and proper use.
NOTICE
Because of design changes that may have occurred in the tractor since this manual
was printed, it is possible that some of the pictures and/or the illustrations found within
the manual may be different from those found on the product; however, the technical
information found within this manual was correct at the time this manual was approved for
publication.
MTZ Equipment Ltd. reserves the right to modify design and specications at any time
without notice and without incurring any obligation to install them on tractors previously
purchased.
If any information contained in this publication is not understood, the user should contact
the MTZ Equipment Ltd. Dealer for assistance.
ABBREVIATIONS
Foreword
®Registered trademark of MTZ Equipment Ltd. © Copyright by MTZ Equipment Ltd.
All rights reserved. No part of this manual may be reproduced by any means without prior written
permission.
GB Gearbox DM Daily maintenance
PTO Power take off M-1 First maintenance
FD Floating drawbar M-2 Second maintenance
ET Electric torch M-3 Third maintenance
PDR Pump drive reducer M-SS Spring-summer maintenance
SPTA Spare parts, tools and accessories tool kit M-AW Autumn-winter maintenance
ShM Shift maintenance DTC Diagnostic trouble code
St Standard CEL Check engine light
Pr Premium SEL Stop engine light
SPN Suspect parameter number MIL Malfunction indicator light
FMI Failure mode indicator P/N Part number

MTZ-KIROVETS K744 OPERATOR MANUAL
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1 INTRODUCTION ------------------------------------------------------------------------------------------------------- 6
1.1 To the Owner of this MTZ Equipment Ltd. Tractor--------------------------------------------------------------------- 6
1.2 Imperial / US / Metric Measurements - Conversion ------------------------------------------------------------------- 9
1.3 Symbols For Controls and Indicators ----------------------------------------------------------------------------------- 10
1.4 Serial Numbers of Tractor Components ------------------------------------------------------------------------------- 13
2 SAFETY REQUIREMENTS --------------------------------------------------------------------------------------- 16
2.1 Safety Information Alert----------------------------------------------------------------------------------------------------- 16
2.2 General Safety Requirements -------------------------------------------------------------------------------------------- 32
2 .3 Safety Measures During Depreservation, Installation, Test Operation and Running-In -------------------------------- 33
2.4 Safety Measures During Tractor Operation --------------------------------------------------------------------------- 34
2.5 Safety Measures During Maintenance, Trouble-shooting and Placement for Storage --------------------- 38
2.6 Fire Safety Requirements-------------------------------------------------------------------------------------------------- 39
3 GENERAL DESCRIPTION AND TECHNICAL FEATURES ---------------------------------------------- 41
3.1 Purpose and Scope of Application of the Tractor -------------------------------------------------------------------- 41
3.3 Location of Instruction Plates --------------------------------------------------------------------------------------------- 48
3.4 Brief Design Data ------------------------------------------------------------------------------------------------------------ 60
3.5 Pressure Controller with Absorber --------------------------------------------------------------------------------------- 66
3.6 Electrical Equipment System---------------------------------------------------------------------------------------------- 67
3.7 Plastic Hood Opening Mechanism--------------------------------------------------------------------------------------- 69
3.8 Rear Linkage Control (EHR) ---------------------------------------------------------------------------------------------- 72
3.9 Design And Operation ------------------------------------------------------------------------------------------------------ 72
4 Controls---------------------------------------------------------------------------------------------------------------- 74
4.1 Fingertip Controls ------------------------------------------------------------------------------------------------------------ 74
4.2 System Diagnostics And Troubleshooting ----------------------------------------------------------------------------- 76
4.3 Maintenance of Platform --------------------------------------------------------------------------------------------------- 78
4.4 Method of Cam and Position Sensor Installation -------------------------------------------------------------------- 78
4.5 Electronic System for Hydraulic Distributor Section Control (EHS) --------------------------------------------- 79
4.6 Hydraulic Distributor Section Control EHS ---------------------------------------------------------------------------- 80
5 GEARBOX PNEUMATIC CHANGEOVER -------------------------------------------------------------------- 84
5.1 GB Pneumatic Changeover ----------------------------------------------------------------------------------------------- 84
5.2 Operating Principle ---------------------------------------------------------------------------------------------------------- 84
5.3 Interlocks ----------------------------------------------------------------------------------------------------------------------- 85
5.4 Indication Panel -------------------------------------------------------------------------------------------------------------- 86
5.5 Engine Start-up --------------------------------------------------------------------------------------------------------------- 88
5.6 Engine Start-up in Abnormal Situation---------------------------------------------------------------------------------- 90
5.7 List of Components ---------------------------------------------------------------------------------------------------------- 90
5.8 Electric Diagram of GB Pneumatic Changeover System ---------------------------------------------------------- 92
5.9 Possible Faults of GB Pneumatic Changeover System ----------------------------------------------------------- 94
5.10 EHR System Wiring Diagram ------------------------------------------------------------------------------------------- 99
6 INSTRUMENT PANELS AND CONTROLS------------------------------------------------------------------100
6.1 Instrument Panel ----------------------------------------------------------------------------------------------------------100
6.2 Steering Column and Control Panel -----------------------------------------------------------------------------------107
6.3 Turn Signal/Multifunction Lever on Steering Column --------------------------------------------------------------108
6.4 Switches and Accessories at the Overhead Panel in the Cab---------------------------------------------------108
6.5 Driver’s Seat and Additional Seat and Fuse Panel Box -----------------------------------------------------------109
6.6 Fuse and Relay Panel ----------------------------------------------------------------------------------------------------- 110
6.7 Lighting and Alarms --------------------------------------------------------------------------------------------------------112
6.8 Engine Preparation and Start-up --------------------------------------------------------------------------------------- 112
INDEX

MTZ-KIROVETS K744 OPERATOR MANUAL
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6.9 Engine Start-up at Negative Temperatures--------------------------------------------------------------------------- 113
6.10 Engine Start-up from External Power Supply ---------------------------------------------------------------------- 116
6.11 HVAC System Operation ------------------------------------------------------------------------------------------------ 117
7 FINAL ASSEMBLY, ADJUSTING AND RUNNING-IN ----------------------------------------------------119
7.1 General - PDI ---------------------------------------------------------------------------------------------------------------- 119
7.2 Tractor Running-in ----------------------------------------------------------------------------------------------------------125
8 OPERATION AND ADJUSTMENT REGULATIONS ------------------------------------------------------126
8.1 Procedure for Tractor Work Preparation ------------------------------------------------------------------------------126
8.2 Operation procedures and control over tractor during operation------------------------------------------------130
8.3 Installation and Dismantling of Wheels with Tires ------------------------------------------------------------------131
8.4 Connecting Agricultural Machines, Implements and Vehicles to the Hydraulic System-------------------137
8.5 Connecting Agricultural Machines, Implements, and Vehicles to Tractor with Drawbars. ----------------137
8.6 Procedure of Operation with Agricultural Machines (Implements) and Vehicles----------------------------141
9 ACCESSORIES -----------------------------------------------------------------------------------------------------147
9.1 Sun Blind ----------------------------------------------------------------------------------------------------------------------147
9.2 Transportation and Storage of Tools -----------------------------------------------------------------------------------147
9.3 Air Compressor/Gun--------------------------------------------------------------------------------------------------------148
10 MAINTENANCE ---------------------------------------------------------------------------------------------------149
10.1 Types and Frequency of Maintenance -------------------------------------------------------------------------------149
10.2 List and Contents of Work by Types of Maintenance to be Performed by Operator In the Process Se-
quence -----------------------------------------------------------------------------------------------------------------------------150
10.3 Types and Lists of Maintenance Operations During Storage --------------------------------------------------157
10.4 Lubrication Table ----------------------------------------------------------------------------------------------------------161
10.5 Contents and Procedure of Maintenance Operations------------------------------------------------------------166
10.6 Gearbox Maintenance----------------------------------------------------------------------------------------------------172
10.7 Maintenance of Driving Axles, Service Brakes---------------------------------------------------------------------173
10.8 Cardan Shaft Maintenance ---------------------------------------------------------------------------------------------175
10.9 Maintenance of Tractor Pneumatic System-------------------------------------------------------------------------175
10.10 Maintenance of Hydraulic Systems of the Linkage and For Steering Control----------------------------176
10.11 Maintenance of Tractor Wheels --------------------------------------------------------------------------------------180
11 STORAGE REGULATIONS ------------------------------------------------------------------------------------183
11.1 General Storage -----------------------------------------------------------------------------------------------------------183
11.2 Tractor Preparation for Short-Term and Long-Term Storage ---------------------------------------------------183
12 TROUBLESHOOTING-------------------------------------------------------------------------------------------185
12.1 General Troubleshooting ------------------------------------------------------------------------------------------------185
12.2 Engine Electronic Control System Error Codes -------------------------------------------------------------------191
13 APPENDIX ----------------------------------------------------------------------------------------------------------216
13.1 Hydraulic Schematic Diagram of the Systems for Steering Control and Operating Equipment ------216
13.2 Kinematic Diagram of Transmission ----------------------------------------------------------------------------------217
13.3 Tighten Torque Values for Fasteners of Main Assemblies ------------------------------------------------------218
13.4 List of Permissible Changes for Oils and Lubricants -------------------------------------------------------------219
13.5 Rell Reservoirs -----------------------------------------------------------------------------------------------------------219
13.6 Logbook of Measurements of the Internal Air Pressure in Tires-----------------------------------------------220
13.7 Tire Operation Record Log----------------------------------------------------------------------------------------------221
13.8 List of Electrical Equipment Elements for the Electrical Diagram ---------------------------------------------222
13.9 Additions, Modications and Changes -------------------------------------------------------------------------------230

MTZ-KIROVETS K744 OPERATOR MANUAL
6Return to Index
1 INTRODUCTION
Introduction
1.1 To the Owner of this MTZ Equipment Ltd. Tractor
Practical experience is the key to the successful design and manufacture of MTZ tractors. For over 70
years MTZ tractors have been operating in all types of conditions in many parts of the world. However,
any product will only be as good as the care and service that is provided by the end user.
Use this manual as your guide. If you follow the instructions given in this manual, your MTZ tractor will
work well for many years.
Because of design changes that may occur in the tractor since this manual was printed, it is possible
that some pictures and/or illustrations found within this manual may be different from those found on the
product; however, the technical information found within this manual was correct at the time this manual
was approved for publication.
Because your tractor could have variations or modications, it is extremely important to know and record
your tractor model, tractor serial number and engine number when requesting information or assistance
when referring to the tractor or when it is necessary to order replacement parts.
Use only genuine replacement parts for your tractor. Write the model and serial numbers of your tractor
on the lines provided below.
Your local MTZ dealer can supply you with genuine MTZ and older Belarus tractor parts, and have
personnel with specialized training and have the equipment and know the best methods of repair and
maintain for your tractor.
Call your dealer if you need any assistance or require additional information.
Tractor Model Identication (Fig. 5)
Tractor Serial Number - P.I.N. (Fig. 6)
Engine Serial Number (Fig. 6)
Gearbox serial number (Fig. 7)
Pump Drive Reducer Serial Number (Fig. 8)
Axle Serial Number (Fig. 9)
Date Purchased / /
Location of serial numbers can be found on pages 12 to 14

MTZ-KIROVETS K744 OPERATOR MANUAL
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Return to Index
The Operation Manual for Kirovets K-744 tractor is intended for drivers, mechanics and other persons
related to the operation of such tractors. The manual contains a brief description of the design of tractors
and their specications, main procedures of operation and maintenance. The data on Mercedes-Benz
engine is for model MTU Series / MB OM470,
Before proceeding to tractor operation, it is necessary to study its design and operation procedures.
Long-term and reliable operation of MTZ-Kirovets tractors is ensured in case of proper operation and
timely execution of maintenance.
Read this manual carefully to learn how to operate and service the tractor correctly. Personal injury and
tractor damage can result from failure to understand proper tractor use, adjustment, and maintenance.
If this manual is lost or damaged, contact your MTZ to obtain a replacement for your tractor. Contact
your MTZ dealer for clarication of instructions for this tractor that are not understood by the reader.
Manuals are available in multiple languages. If you need a manual in a different language contact your
MTZ dealer for assistance. Your tractor has safety signs afxed at specic hazard locations to provide
hazard identication and avoidance. These signs, are illustrated with explanations in the SAFETY section
of this manual. Replace damaged or illegible safety signs before continued use. These safety signs are
available from your MTZ dealer.
This manual, when not in use, should be in Cab. This manual is a permanent part of your tractor and must
stay with the tractor during ownership. The manual is to remain with the tractor if sold to a second owner.
Measurements and dimensions in this manual are provided in Imperial/US and Metric unit equivalents.
Use only correct tools, parts, and fasteners for replacement parts and repairs. Metric and inch fasteners
are not interchangeable and must not be used interchangeably on this tractor.
Record the Product Identication Numbers (PIN)s - Fig. 6, page 13 - in the section provided on page 6.
Accurate PIN information is useful in tracking and verifying a stolen tractor and signicant components.
Always give the tractor PIN to your dealer when requesting assistance. Keep a separate PIN set in a
secure le not located on the tractor.
MTZ warrants this tractor will operate for a warranty period when operated as intended to address a
premature malfunction of the tractor not attributable to the intended use. The dealer will provide a certicate
at reception providing conditions of compliance to the warranty agreement. If this tractor is judged to
be abused or modied for use other than that intended in the manual instructions and specications,
the warranty will be voided, and warranty denied. Any modication not approved by MTZ will void the
warranty on the tractor. Increasing the engine fuel rate or increasing the power output above the level
specied in this manual by any means will void the warranty.
The tire warranty is provided separately by the tire manufacturer. MTZ will provide the tire warranty
certicate at reception to the owner. Any tire defects should be directed to the tire manufacturer through
their dealer organization.
MTZ reserves the right to provide tractor improvement programs for tractors beyond the warranty period,
often without charge to the owner. It is essential that a second owner contact the local MTZ dealer to register
the tractor Product Identication Information under the new owner. Should an improvement program be
made available for the tractor, MTZ and the dealer will have the correct owner contact information.
Introduction

MTZ-KIROVETS K744 OPERATOR MANUAL
8Return to Index
Warranty service, maintenance and repair of your tractor are to be carried out by representatives of MTZ
Equipment Ltd. dealer service centers;
Types of maintenance Frequency
In Engine hours of Operation
Maintenance at the preparation of a new or overhauled
tractor for operation running-in
Maintenance of tractor at the execution of running-in 10
Maintenance upon completion of running-in: 50
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 operation conditions
Maintenance in special operation conditions (sandy,
stony or boggy soils, desert, low-temperature and high-
mountain conditions)
It will be performed in the conditions drasti-
cally differing from typical ones
Maintenance during long-term storage
It will be performed in closed premises not
less than once every 2 months, and under
a canopy and at outdoor sites - once a
month
Following the warranty period, it is also recommended to contact your dealer.
If maintenance and repairs are not carried out in specialized service centers of MTZ Equipment Ltd., the
manufacturer will not bear responsibility within the warranty and post-warranty period for the quality of
released products.
Before proceeding to work on your tractor, please thoroughly read this instruction and operation
manual. Strictly follow the operation and maintenance guidelines.
The tractor articulation joint is prevented from moving during shipping, by an articulation “locking
device” shown in Fig. 1. Before attempting to move the tractor from the operator station, it is
necessary to remove the two retaining bolts fastening the device to the front and rear frame and
remove the “locking device.” The removed device must be stored on top of the rear frame, as
shown in Fig. 2, to be available for transporting the next time.
Fig. 2Fig, 1
Introduction

MTZ-KIROVETS K744 OPERATOR MANUAL
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Return to Index
INCHES MILLIMETERS IMPERIAL / US UNIT METRIC EQUIVALENT (SI)
AreA
1 square inch 6.45 cm2- square centimeter
1 acre 0.405 ha - hectare
Force
1 pound (force) 4.45 newton
Length
1 foot 304.8 mm - millimeter, 30.5 cm - centime-
ter,
0.305 m - meter
1 inch 25.4 mm - millimeter, 2.45 cm - centimeter
1 mile 1609 m - meter, 1.61 km - kilometer
Weight
1 pound 0.4540 kg - kilogram
Power
1 horsepower 0.746 kW - Kilowatt
Pressure
1 psi 6.89 kPa - kilopascal, 0.00689 Mpa
- Megapascal,
14.696 psi = 1 bar
temPerAture
1 degree Fahrenheit (F° -32) = C degree Celsius
1.8
torque
1 lbs. (force) - ft. 1,356 N·m
VeLocity
1 mile per hour 1.61 km/h - kilometer per hour
VoLume
1 bushel 0.35 m3- cubic meter
1 gallon (imp) = 1.2 US gal 4.55 L - liter
1 quart (imp) = 1.2 US qt 1.14 L - liter
1
2
3
4
5
6
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
1.2 Imperial / US / Metric Measurements - Conversion
Introduction

MTZ-KIROVETS K744 OPERATOR MANUAL
10 Return to Index
Symbols being used on the tractor (instrument panel, fuse block, throw-in lever for lighting and signal
units) are given below.
Introduction
1.3 Symbols For Controls and Indicators