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MTZ Kirovets K-744 2020 Operator's Manual

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

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Summary of Contents for MTZ Kirovets K-744 2020

  • Page 1 Operator Manual Kirovets K-744 © If this product contains a gasoline engine CALIFORNIA WARNING Proposition 65 Warning Diesel engine exhaust and some of its constituents The engine exhaust from this product contains are known to the State of California to cause chemicals known to the State of California to cause cancer, birth defects and other reproductive harm cancer, birth defects and other reproductive harm...
  • Page 3 MTZ Equipment Ltd. reserves the right to modify design and specifications at any time without notice and without incurring any obligation to install them on tractors previously purchased.
  • Page 4 MTZ-KIROVETS K744 OPERATOR MANUAL INDEX 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...

  • Page 5: Table Of Contents

    MTZ-KIROVETS K744 OPERATOR MANUAL 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...
  • Page 6 Use this manual as your guide. If you follow the instructions given in this manual, your MTZ tractor will work well for many years.
  • Page 7 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 Identification 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.
  • Page 8 MTZ-KIROVETS K744 OPERATOR MANUAL Introduction Warranty service, maintenance and repair of your tractor are to be carried out by representatives of MTZ Equipment Ltd. dealer service centers; Frequency Types of maintenance In Engine hours of Operation Maintenance at the preparation of a new or overhauled...
  • Page 9 MTZ-KIROVETS K744 OPERATOR MANUAL Introduction 1.2 Imperial / US / Metric Measurements - Conversion INCHES MILLIMETERS IMPERIAL / US UNIT METRIC EQUIVALENT (SI) 1 square inch 6.45 cm - square centimeter 1 acre 0.405 ha - hectare orce 1 pound (force) 4.45 newton...
  • Page 10 MTZ-KIROVETS K744 OPERATOR MANUAL Introduction 1.3 Symbols For Controls and Indicators Symbols being used on the tractor (instrument panel, fuse block, throw-in lever for lighting and signal units) are given below. Return to Index...
  • Page 11 MTZ-KIROVETS K744 OPERATOR MANUAL Introduction Return to Index...
  • Page 12 MTZ-KIROVETS K744 OPERATOR MANUAL Introduction Fig. 3 Kirovets K-744 tractor is classified as an articulated-steering machine with four drive wheels. Tractor consists of front and rear half-frames, which rotate by rotation at the central articulation, pivot (1) see figure 4.
  • Page 13 MTZ-KIROVETS K744 OPERATOR MANUAL Introduction 1.4 Serial Numbers of Tractor Components The tractor identification plate with indication of the tractor make and model, name of manufacturer, country, manufacturer’s trademark as well as year of manufacture is fastened to the left pocket located at the front console of the Cab.
  • Page 14 MTZ-KIROVETS K744 OPERATOR MANUAL Introduction Gearbox serial number is stamped on the upper part of the gearbox, in the area of compressor drive pulley, vertically under the lifting eye nut. Fig. 7 The serial number of the pump drive reducer is stamped on the casing at the side, on the lateral lid.
  • Page 15 MTZ-KIROVETS K744 OPERATOR MANUAL Return to Index...
  • Page 16 Replace a damaged or missing operator manual before operating the tractor. Contact your MTZ dealer for replacement safety messages decals and operator manual. Learn how to use the tractor properly and train others in proper use before permitting them to operate the tractor, ensure that the person operating the tractor is emotionally and physically capable of understanding the operation and can use the controls.
  • Page 17 Repair or replace any damaged door and window components to ensure the integrity of the Cab when new. Consult your MTZ for repair and replacement. Operating machinery in excess of 90dBA noise levels for extended periods of time will cause hearing loss and requires hearing protection.
  • Page 18 MTZ-KIROVETS K744 OPERATOR MANUAL Safety Starting Fluid Safety Starting fluid is highly flammable. Do not smoke while using starting fluid. Remove all flame sources and potential spark generating devices from the area where the starting fluid will be used. It is particularly important to ensure jumper Cable connections are secure and will not spark if the tractor battery is being boosted during starting.
  • Page 19 Roll Over Protective Structure This tractor has a Roll Over Protective Structure (ROPS) incorporated in the Cab enclosure. If your Cab is damaged ask your MTZ dealer to inspect the damage before using the tractor. Any permanent deflection of the Cab components or deformation of corner areas indicates that the ROPS is no longer capable of protecting the operator space in the event of a roll over incident.
  • Page 20 MTZ-KIROVETS K744 OPERATOR MANUAL Safety Avoid rotating Drivelines Entanglement in rotating shafts and drivelines can cause serious injury or death. Wear close fitting close and avoid the rotating shaft. Before approaching the shaft stop the driveline, engine and wait until the drive shaft has stopped before connecting/ disconnecting, adjusting or cleaning PTO driven equipment.
  • Page 21 MTZ-KIROVETS K744 OPERATOR MANUAL Safety ISOBUS Controllers The use of controllers on this tractor compliant with ISO 11783 for tractor and implements. The display and functions of the system are provided by the system manufacturer. Read the supplemental operation manual provided by the ISOBUS feature manufacturer to understand proper and safe operation before operation.
  • Page 22 MTZ-KIROVETS K744 OPERATOR MANUAL Safety The risk of tipping over. Pump the brake pedal when stopping on slippery surfaces to avoid locking the wheels and skidding. Keep the tractor and implements clean. Before traveling on public roads remove mud and debris that can cause hazards for normal road vehicles if deposited on the road surface.
  • Page 23 The safety chain must be rated to match the load of the towed implement/vehicle. Contact your MTZ dealer for advice matching the chain to the load. Do not use the chain to tow the implement/trailer should the drawbar connection malfunction or at any other time.
  • Page 24 MTZ-KIROVETS K744 OPERATOR MANUAL Safety When transporting equipment or trailers between 25 - 31 MPH the equipment weight cannot exceed 3 times the tractor weight. Test the brake system and combination reaction several times at various speeds to become familiar with how the combination responds to braking action. Stop and correct any malfunction if the brake system does not respond normally.
  • Page 25 MTZ-KIROVETS K744 OPERATOR MANUAL Safety Agricultural Chemicals Agricultural chemicals such as fungicides, insecticides, pesticides, rodent exterminators and fertilizer must be used carefully according to the manufacturer instructions to avoid harm to health and environment. Follow the chemical manufacturer safety instructions for compliance to effective, safe and legal use of the chemical.
  • Page 26 The heat can cause expansion leading to a fluid leak or explosion which can cause severed burn injury. Your MTZ dealer has the knowledge and skilled technicians capable of safely performing repair work such as welding, soldering or heating in the vicinity of high pressure fluid lines.
  • Page 27 Place a tag on the steering wheel that the tractor is in service condition and is not to be started or moved until this tag is removed. Contact your MTZ dealer for tags for this purpose. Do not attempt to perform service on a moving tractor or equipment.
  • Page 28 MTZ-KIROVETS K744 OPERATOR MANUAL Safety Hot Tractor Components During operation tractor components such as the engine, hydraulic components and drivetrain components can cause burn injuries if touched, Avoid contact with these components until the engine has been stopped and sufficient time has elapsed to cool the surfaces of these components.
  • Page 29 Keep extreme heat sources from accumulators and prevent damage to hoses and lines of the accumulator system. Contact your MTZ dealer for accumulator service by a trained technician. Do not loosen connection in the accumulator system until all pressure has been slowly released as instructed by the accumulator manufacturer.
  • Page 30 Corroded steel or aluminum components. Crushed, crimped or otherwise damaged steel lines. Contact your MTZ dealer for the correct performing replacement part. Use a piece of cardboard to search for leaks to avoid serious injury or death from oil penetration into the body.
  • Page 31 Advice is provided in the operations section to dispose of fluids and materials responsibly. When in doubt contact your local MTZ dealer and local recycle facility to clarify how to dispose of the used fluids and materials without harming the environment.
  • Page 32 Before decommissioning understand the task, materials, tools, protective clothing and facility required to safely recycle the tractor. Contact your MTZ dealer for advice to safely comply with the process. Contact local environmental agencies to determine local rules and locations accepting recyclable materials.
  • Page 33 MTZ-KIROVETS K744 OPERATOR MANUAL Safety A first aid kit stocked in accordance with effective regulatory documents should be installed and fixed in the tractor Cab. If needed to use Cab windows as an escape exit, break the glasses with the hammer provided for in the Cab.
  • Page 34 MTZ-KIROVETS K744 OPERATOR MANUAL Safety Do not 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.
  • Page 35 MTZ-KIROVETS K744 OPERATOR MANUAL Safety Do not work with the tractor having faulty steering control, brake system, electrical lighting and alarm signaling. All control levers must be located in their normal functional positions. Tractor brakes are to be in good working condition. When braking the tractor traveling over dry and hard ground using the service brake, the braking distance should not exceed 13 m at the speed of 8.33 m/s...
  • Page 36 MTZ-KIROVETS K744 OPERATOR MANUAL Safety Do not stay under an agricultural implement being lifted. In case of a long-term shutdown, do not leave the mounted agricultural implement in the lifted position. Don’t stay under the implement being lifted. When working with hydraulic agricultural machines and implements, it is necessary to remember that the maximum working pressure at the outlet of quick-lock rupture devices is at least 15.0...
  • Page 37 MTZ-KIROVETS K744 OPERATOR MANUAL Safety Travel of the tractor train at maximum speed of 8.39 m/s (30 km/h) is allowed only on roads with dry hard pavement; In case of first signs of jack-knifing or skid of the trailed apparatus, release the brake pedal and brake by means of the control handle for trailer brakes until the jack-knifing or skid are eliminated;...
  • Page 38 MTZ-KIROVETS K744 OPERATOR MANUAL Safety 2.5 Safety Measures During Maintenance, Trouble-shooting and Placement for Storage Remove dust, dirt, debris and accumulated mud before performing maintenance and attempting to diagnose tractor malfunction. If the removed materials contain lubricant materials properly dispose of the material to avoid contamination of the area.
  • Page 39 MTZ-KIROVETS K744 OPERATOR MANUAL Safety When washing the tractor, applying and removing lubricants, the workers should be provided with aprons, gantlets and protective goggles. When installing and dismantling wheels, strictly follow the procedures set forth in the corresponding subsection. On each type of wheels install a tire of the proper size only, which is determined by the technical specification for such wheel.
  • Page 40 MTZ-KIROVETS K744 OPERATOR MANUAL Safety The spaces to park the tractor and store fuels and lubricants should be plowed around with a strip of at least 10’ - 3 m width and provided with fire-extinguishing means. In tractor storage areas do not smoke, make fires and execute works related to the use of open fire.
  • Page 41 The use of a non-approved implement may cause damage to the K744 tractor or injury to the operator and void the warranty. Please contact your Dealer or MTZ for questions regarding suitable equipment for this tractor. Table 1...
  • Page 42 MTZ-KIROVETS K744 OPERATOR MANUAL General Description Quantity of Make Name Implements in Method of connection the hookup PBN-6-50 Plow for reclaiming cultivated bogs 3pt Hitch Combined broad-catching hookup for pre-sowing RVK-7,2 3pt Hitch soil preparation Combined hookup for main preparation of soil for...
  • Page 43 MTZ-KIROVETS K744 OPERATOR MANUAL General Description Quantity of Make Name Implements in Method of connection the hookup PBN-6-50 Plow for reclaiming cultivated bogs Drawbar Combined broad-catching hookup for pre-sowing RVK-7,2 Drawbar soil preparation Combined hookup for main preparation of soil for...
  • Page 44 MTZ-KIROVETS K744 OPERATOR MANUAL General Description Quantity of Make Name Implements in Method of connection the hookup Disc-type harrow CTA-10 Drawbar PSE-45 Trailer tank Drawbar Machine for distribution of liquid fertilizers and PZHU Drawbar pesticides RUM-14 Machine for fertilizer distribution...
  • Page 45 MTZ-KIROVETS K744 OPERATOR MANUAL Specifications - General Description 3.2 Basic Specification Data K-744 Components Premium Tractor make Kirovets Engine MB OM470 E3А/5 Type wheeled, agricultural general purpose Hauling class as per Class 8 8 tonnes Nominal tractive force, kN, (tf)
  • Page 46 MTZ-KIROVETS K744 OPERATOR MANUAL General Description - Specifications Tractor weight, lbs. - kg, max: - design weight (in basic configuration) 35,274 lbs. 16000 kg - operating weight (in basic configuration) 37,479 lbs. 17000 kg - operating weight with the wheel dual kit 42,328 lbs.
  • Page 47 MTZ-KIROVETS K744 OPERATOR MANUAL Specifications - General Description Tractor braking distance at the speed of 8.3 43’ m/s (18 mph) (30 km/h), ft., m, max Static lateral stability angle, degrees, min 35º Ascent and descent angle, degrees, max 20º Angle of tractor holding by parking brake, degrees, min 20ª...
  • Page 48 MTZ-KIROVETS K744 OPERATOR MANUAL General Description - Instruction Plates 3.3 Location of Instruction Plates Fig. 14 Fig. 15 Fig. 16 Return to Index...
  • Page 49 MTZ-KIROVETS K744 OPERATOR MANUAL Instruction Plates - General Description Keep fingers and Fig. 17 hands away from the mechanism. Fig. 18 WARNING • When moving, select the speed providing for timely stoppage and safe turning of the tractor (tractor train).
  • Page 50 MTZ-KIROVETS K744 OPERATOR MANUAL General Description - Instruction Plates Fig. 20 Fig. 21 Return to Index...
  • Page 51 MTZ-KIROVETS K744 OPERATOR MANUAL Instruction Plates - General Description Fig. 22 LABEL OF REMOTE PANEL OF THREE-POINT LINKAGE MOUNTING CONTROL EHR The hitch zone is a hazardous area, that can cause serious or fatal injuries to a person. Read this operator manual for safe instruction to connect or disconnect implements from the hitch.
  • Page 52 MTZ-KIROVETS K744 OPERATOR MANUAL General Description - Instruction Plates LABEL 24 V OF PERMANENT BATTERY POWER SOURCE 1. Connecting and disconnecting batteries when the tractor is shut-down. Connect the positive power cable to the positive terminal first, then connect the negative power cable to the negative terminal.
  • Page 53 MTZ-KIROVETS K744 OPERATOR MANUAL Instruction Plates - General Description LABEL OF FRAME VERTICAL HINGE PIVOT LUBRICATION (SEE THE LUBRICATION TABLE) Fig. 25 LABEL IN THE AREA OF PIVOTING DEVICE OF FRAME STAY CLEAR of articulation area of the tractor as well as in the area under the pivoting device of the frame when the engine is operating.
  • Page 54 MTZ-KIROVETS K744 OPERATOR MANUAL General Description - Instruction Plates LABEL “SCHEME OF TRACTOR LUBRICATION” ON THE LARGE TOOL BOX Fig. 27 MONITORING OF AIR PRESSURE IN TIRES WHEN OPERATING DUAL WHEELS MONITORING OF AIR PRESSURE IN TIRES WHEN OPERATING DUAL WHEELS 0.8 ±...
  • Page 55 MTZ-KIROVETS K744 OPERATOR MANUAL Instruction Plates - General Description LABEL ON THE LEFT FRONT PILLAR, INSIDE CAB, WHEN FACING THE DIRECTION OF TRACTOR TRAVEL Before the beginning to work with tractor, read Operator Manual and especially “Safety Requirements” section. Always fasten your seat belt when moving.
  • Page 56 MTZ-KIROVETS K744 OPERATOR MANUAL General Description - Instruction Plates LABEL ON THE SIDE (RIGHT) ON THE GB SWITCH CONTROL PANEL NEAR THE ABNORMAL ENGINE STARTUP BUTTON BEFORE STARTING THE WORK IT IS NECESSARY TO READ THE OPERATION INSTRUCTION Fig. 31...
  • Page 57 MTZ-KIROVETS K744 OPERATOR MANUAL Instruction Plates - General Description LABEL ON THE PLANE OF REAR WING DO NOT STAND. POTENTIAL SLIPPING Fig. 34 Couplings for hydraulic motor connection Fig. 35 Return to Index...
  • Page 58 MTZ-KIROVETS K744 OPERATOR MANUAL General Description - Instruction Plates LABEL ON REAR SURFACE K-744 TRACTOR SLINGING DIAGRAM OF BATTERY COVER Р Р P, P Б Б L front sling = 3.5 m (min) L rear sling = 3.0 m (min)
  • Page 59 MTZ-KIROVETS K744 OPERATOR MANUAL Instruction Plates - General Description ATTENTION! The tractor cooling system is filled with an antifreeze agent. It is prohibited to fill the cooling system with water! ATTENTION! The oil pressure in the hydraulic system of heated gearbox at the transmissions with the crankshaft rotation speed of 900–1800 rpm...
  • Page 60 MTZ-KIROVETS K744 OPERATOR MANUAL General Description - Instruction Plates Fig. 39 DESIGNATION OF TRACTOR SLINGING PLACES 3.4 Brief Design Data Engine This tractor is equipped with a Mercedes-Benz six-cylinder in-line Engine, model MTU Series / MB / OM470 Tier 4F.
  • Page 61 MTZ-KIROVETS K744 OPERATOR MANUAL General Description FUEL SYSTEM consists of the fuel tank, fuel lines, fuel filter with in-built fuel priming pump, low-pressure fuel pump, fine mesh filter, fuel cooler, high-pressure pumps, fuel rail, nozzles. EXHAUST SYSTEM is equipped with a catalyst where exhaust gases are split under a chemical impact (ADblue™) for the reduction of their toxicity.
  • Page 62 MTZ-KIROVETS K744 OPERATOR MANUAL General Description Braking System Pneumatic Diagram. Fig. 41 Braking system pneumatic diagram. Return to Index...
  • Page 63 MTZ-KIROVETS K744 OPERATOR MANUAL General Description Pos. Name Note Three-way protection valve 100-3515110 KТ Two-section brake valve with pedal 11.3514 308 Plant PAAZ Manual brake valve 961 723 100 0 WABCO WABCO, M22×1.5, Connection head (black) 452 300 031 0 can be replaced with 12.3521010-01...
  • Page 64 MTZ-KIROVETS K744 OPERATOR MANUAL General Description THE SEMIPERMANENT COUPLING AND PUMP DRIVE REDUCER serve for transmission of torque from the engine to the gearbox. The reducer also performs driving to the pumps of hydraulic systems for control of turn and mounted implement as well as provides engine disengagement from transmission in case of cold starting.
  • Page 65 MTZ-KIROVETS K744 OPERATOR MANUAL General Description valve (5), an accelerator valve (6), three brake chamber energy accumulators (16), a trailer brake control valve with a single-wire drive (7), a connecting head (11) and two hoses (20). During the start-up of the engine, air is supplied over the mainline feeding pipes from the compressor to pressure controller 1, which deactivates the feed of compressed air into the system, in case the pressure is exceeded, connecting the compressor discharge mainline with the atmosphere.
  • Page 66 MTZ-KIROVETS K744 OPERATOR MANUAL General Description 3.5 Pressure Controller with Absorber The controller provides for dehumidification of the compressed air discharged by the compressor to the tractor pneumatic system and maintaining the pressure in the system within 0.71 to 0.85 MPa range. The controller, is fitted with electric heating.
  • Page 67 MTZ-KIROVETS K744 OPERATOR MANUAL General Description When overpressure occurs, the piston (d) automatically opens the outlet hole (e). If the pressure in the device drops due to the air flow rate below the cut-in pressure, the inlet hole (n) closes and pressure in the chamber B reduce by releasing air through the regulator.
  • Page 68 MTZ-KIROVETS K744 OPERATOR MANUAL General Description Power consumers’ electrical circuits are protected against short-circuits by fuse blocks. On the tractors, there is the possibility of connection to power supply with the voltage of 12 V. Plug sockets for the connection are located at the hydraulic control unit, outside the cabin base and on the rear right wing.
  • Page 69 MTZ-KIROVETS K744 OPERATOR MANUAL General Description The cab door and right-hand side window have convenient small vent windows. To shade the operator from bright sunlight, there is a pull-down Sun Blind above the front window Driver’s seat with air suspension and is adjustable by height, angle of back inclination, in the longitudinal direction and by weight of the driver.
  • Page 70 MTZ-KIROVETS K744 OPERATOR MANUAL General Description To Close the plastic hood, it is necessary to do the following: Smoothly, without jerking, pull the hood by the belt downwards. At the first moment of movement, additional resistance can arise, caused by the design of gas shock absorber (built-in damper).
  • Page 71 MTZ-KIROVETS K744 OPERATOR MANUAL General Description 3.7 Hydraulic System 1 The hydraulic tank has 250 l/min capacity. 2 To prevent oil drainage from the hydraulic tank upon Hydraulic system repair, valves are installed at suction lines of the pumps. 3 The steering control system has additionally installed emergency pump NSh-10 at the rear part of GB and priority valve at the Cab base.
  • Page 72 MTZ-KIROVETS K744 OPERATOR MANUAL General Description 3.8 Rear Linkage Control (EHR) The system is designed for control over operating parts of mobile machines, including rear linkage of the tractor. The system provides for operation with mounted implements in the following modes: manual control with external buttons, positional, power and combined control, floating, transportation and transportation with vibration dampening.
  • Page 73 MTZ-KIROVETS K744 OPERATOR MANUAL General Description pump N for the control of hydraulic cylinders GTs via electric and hydraulic distributor EGR, as well as microprocessor controller MK implementing the control and adjustment algorithm, and control panel PU to set control modes in the course of operation.
  • Page 74 MTZ-KIROVETS K744 OPERATOR MANUAL Controls 4 FINGERTIP CONTROL PLATFORM 4.1 Fingertip Controls Operation mode, selection handle Fig. 52 Appearance of Fingertip control panel PU-04 1 - soil cultivation depth control handle; 2 - lifting height limitation control handle; 3 - control method selection handle: extreme left position - power control mode, extreme right position - positional control mode, between them - combined control mode;...
  • Page 75 MTZ-KIROVETS K744 OPERATOR MANUAL Controls Table 2 Operation mode Position of controls and indication of mode In the case of system configuration with control panel PU- 04, operation mode selection functions are provided for by the pin-type handle (mounted outside panel PU-04) and button FLOATING (located at panel PU-04).
  • Page 76 MTZ-KIROVETS K744 OPERATOR MANUAL Controls 4.2 System Diagnostics And Troubleshooting The system controller provides for diagnostics of operability of system components and, in case of a fault, blocks the system operation in automatic mode from the main control panel and returns a fault code.
  • Page 77 MTZ-KIROVETS K744 OPERATOR MANUAL Controls Code Short Description of Fault Troubleshooting Method Position sensor failed Check that there is a supply voltage at the sensor connector pins. When it is there, and there is no visible damage to the Cable, adjust the sensor position as...
  • Page 78 MTZ-KIROVETS K744 OPERATOR MANUAL Controls 4.3 Maintenance of Platform The system is to be regularly maintained. Once per month, service personnel must carry out: - system cleaning from dust and dirt; - control of indication elements. 4.4 Method of Cam and Position Sensor Installation For a correct installation of cam and position sensor, do the following: 1.
  • Page 79 MTZ-KIROVETS K744 OPERATOR MANUAL Controls 7. Switch on the linkage control system, shift the operation mode selection handle to position TRANSPORTATION. In case of a non-stopping correction for height (seen by indicator LIFTING at the linkage control panel), lower the linkage and screw out the position sensor a little bit (approximately by 30°).
  • Page 80 MTZ-KIROVETS K744 OPERATOR MANUAL Controls When there is a fault in sections, the indicator provides a code of information about the fault in the section. The fault code consists of two digits - see Table 3, Page 76. The code is to be read out by counting the number of...
  • Page 81 MTZ-KIROVETS K744 OPERATOR MANUAL Controls Flow controller operation ranges are 0…130 l/min: − the flow reduces with controller handle turning clockwise; − the flow increases with controller handle turning counter-clockwise Ranges of time controller operation at unlocked positions are 2…infinity seconds: −...
  • Page 82 MTZ-KIROVETS K744 OPERATOR MANUAL Controls Movement of distributing section gate valve exceeds the established limits, or the gate valve doesn’t return to “neutral” position under the spring force. Floating” position doesn’t activate over a certain period of time due to mechanical seizure of the central gate valve or fault of the control valve, low control pressure.
  • Page 83 MTZ-KIROVETS K744 OPERATOR MANUAL Controls Fault Code Possible cause and nature of malfunction Non-compliance or absence of the signal from handle to controller via section No.1 No communication with section No.1. The following light codes may appear at the indicator of section fault codes: 26, 31, 32, 41, 42, 81, 82 Resistance of the oil feed limitation controller for the valve of section No.
  • Page 84 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover 5 GEARBOX PNEUMATIC CHANGEOVER 5.1 GB Pneumatic Changeover PNEUMATIC CHANGEOVER STRUCTURE GB operation modes should be changed over with the help of 4 air-actuated cylinders installed at upper section of the case (see the figure). Pneumatic cylinders F-R - 1-N-2 can be controlled only when the gear change lever is in “T”...
  • Page 85 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover Gears are changed by the lever via Cable If the clutch pedal is pressed while at 2nd, 3rd and drive. Lever (5) should be shifted to position “Т” 4th gear, the pedal will get blocked in pressed...
  • Page 86 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover 5.4 Indication Panel An electronic display, located on the right pillar post in the Cab indicates the engagement of couplings of GB operation modes and controlled states of other tractor systems. The tractor indication panel is divided into 3 zones: •...
  • Page 87 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover Zone 1 Indication of emergency engine components Symbols for indication of emergency engine components 1. Critical temperature of cooling fluid (red) 2. Engine air filter is clogged (yellow) 3. Water in fuel (yellow) 4.
  • Page 88 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover 5.5 Engine Start-up Make sure all controls are in neutral before starting: − switch (1) - at “N” (NEUTRAL) position; mid-position; − switch (3) - at “F” position (forward); − lever (5) - at “H” position (NEUTRAL);...
  • Page 89 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover Move lever (5) to “T” position (ONLY AFTER COMPLETE STOP OF THE TRACTOR!). In case of emergent stop of the tractor it is allowed to simultaneously push the brake and clutch pedals, followed by moving lever (5) to “T” position with both pedals pushed and tractor at full stop.
  • Page 90 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover 5.6 Engine Start-up in Abnormal Situation If the tractor engine shuts down at a mode engaged and there is no (or insufficient) air pressure in receiver cylinders, an abnormal situation occurs when it becomes impossible to start up the engine (no NEUTRAL of modes at main shaft).
  • Page 91 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover Pos. Zone Name Quantity Note designation Push-button switch 28223710 TU 37.003.911-79 SQ0 - SQ8 Position sensor SUA 70-1303-24 14 Inductive sensor ISN F2A-31N-4-L Diode assembly 702МВ-37 99 650-4 Diode assembly 744Р-37 17 640-3 Diode assembly 744Р-37 17 650-3...
  • Page 92 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover Pos. Zone Name Quantity Note designation X0 - X8 G1NU 3000D 43650-A for SOPV Y0 - Y8 Solenoid valve 638M-101-A63S04 5.8 Electric Diagram of GB Pneumatic Changeover System Fig. 67 Return to Index...
  • Page 93 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover Return to Index...
  • Page 94 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover 5.9 Possible Faults of GB Pneumatic Changeover System Fault, failure indications Reason, troubleshooting Modes can’t be switched, “T” letter is not lit at PARK BRAKES NEUTRAL position sensor failed. synchronizing brakes activation mode.
  • Page 95 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover 4. Disconnect the pneumatic cylinders’ rods for for- ward and reverse running activation from levers B and А of the main shaft couplings control drive. Fig. 70 5. Disengage the reverse running with the use of PVR-1 key by turning lever А...
  • Page 96 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover 8. Shift lever 5 (Fig. 63) to position “Т”. Fig. 72 9. Engage a low mode with the use of PVR-1 key by turning lever B counter-clockwise to the fixed position III. Fig. 73 10.
  • Page 97 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover Having started up the engine, disengage the reverse running with the use of PVR-1 key by turning lever А counter-clockwise to a fixed position. Then proceed as per items 7…11. Fig. 75 Failure of the tractor stopped for engagement 1.
  • Page 98 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover 4. Disconnect the pneumatic cylinders’ rods for en- gagement of the main shaft couplings control drive, the one in front of lever B. Fig. 78 5. Pull up the parking brake. 6. Start the engine.
  • Page 99 MTZ-KIROVETS K744 OPERATOR MANUAL GB Pneumatic Changeover 5.10 EHR System Wiring Diagram For outer illumination and signaling, four headlights are installed on the tractor with high and low beams as well as eight lights for work illumination, four turn indicators, four fender lights, “slow-moving vehicle sign,”...
  • Page 100 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls 6 INSTRUMENT PANELS AND CONTROLS 6.1 Instrument Panel Fig. 80 Purpose of push buttons and components of the instrument panel Pos. Description “Menu” button allows – proceed to read the components recorder; – proceed to system adjustment;...
  • Page 101 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls Instrument Panel - Graphic Display Fig. 81 DESCRIPTION OF GRAPHIC INTERFACE The main screen of the instrument panel consists of two parts: – status line located at the bottom of the display; – main display area containing indicators, digital parameter values and information icons.
  • Page 102 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls Indicator “Oil pressure in engine” Value of machine total haul Tray with icons - USB storage is connected - adjustment mode Description of icons Icon Name of Display Icon Icon Name of Display Icon Neutral - GB modes...
  • Page 103 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls Icon Name of Display Icon Icon Name of Display Icon Critical temperature of engine oil Actuation of brakes Engine oil filter -clogged Emergency pressure of GB oil Steering system filter - clogged Rear axle engagement...
  • Page 104 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls INDICATION BLOCK MENU Main menu of display is shown on the Fig. 82 below. Machine status Display components Adjustment About the system Fig. 82 The main menu display contains the following items: – Condition of the machine;...
  • Page 105 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls Display adjustment - “Display adjustment” menu section consists of the following items: – Display backlighting; – Volume; – Language. System adjustment - The menu section allows to adjust the system, update software and read the data of parameter recorder.
  • Page 106 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls Type of engine The menu item allows selecting the engine type: 1-YMZ, 2-TMZ, 3-Merc (CAN), 4-YMZ Tier-3a+ZF, 5-Altay. When choosing a particular type of engine, there is a change in the logic of IP operation, as well as other components, may change.
  • Page 107 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls Terminator CAN The menu item allows connecting or disconnecting the terminator to the CAN line. System of measures The menu item allows selecting the units of measurement displayed on the display corresponding to the English or international system of measures. When selecting the English system of measures, the interface language automatically switches to English.
  • Page 108 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls 6.3 Turn Signal/Multifunction Lever on Steering Column 1. Horn. 2. Front window washer switch. Push the ring towards the steering column. 3. Front windshield wiper switch. Push the ring further towards the steering column. 4. High beam headlight Fig.
  • Page 109 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls 6.5 Driver’s Seat and Additional Seat and Fuse Panel Box The driver’s seat is either with air suspension, Fig. 87 or with air suspension, heating system and can turn up to 360º, Fig. 88. The seat is adjustable by height, angle of the backrest, moveable forward or backward.
  • Page 110 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls 6.6 Fuse and Relay Panel Fuse and relay panel is located in box under passenger seat. Fig. 89, Page 109. Fuse panel of K-744 Fig. 90 Return to Index...
  • Page 111 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls To access the fuses, with passenger seat in the upright position, open the panel box lid. Return to Index...
  • Page 112 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls 6.7 Lighting and Alarms Four headlights are on the tractor for night operation. The following elements are installed for the lighting of the work area: - four work lights on the front of the Cab;...

  • Page 113: Engine Start-Up At Negative Temperatures

    MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls 6.8.3 After the start-up, warm up the engine to the cooling fluid temperature of 104-113ºF / 40-45ºC, first at the minimum speed and then at average speed of the crankshaft. Oil pressure in the mainline of the heated engine unit should be within the range of 0.45-0.6 MPa (4.5 -6 kgf/cm...
  • Page 114 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls IMPORTANT! Do not warm up the engine by the heater in closed premises with poor ventilation to avoid poisoning of people by off-gases. Do not switch on the heater without cooling fluid. Do not switch on the heater immediately after the shutdown or unsuccessful attempt to activate it without blow down of the gas duct for at least 15-20 seconds.
  • Page 115 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls 6.9.2.5 Upon heating time expiry, set motor switch 2 and solenoid valve switch 2 into position OPERATION. At the same time, turn plug activation flag 5 clockwise and hold it (for 30 s max) until a typical hum appears in the boiler, indicating the ignition of fuel in the burner.

  • Page 116: Engine Start-Up From External Power Supply

    MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls Pump Unit 1 - fluid pump impeller; 2 - drain valve; 3 - fluid pump; 4 - collar; 5 - fan impeller; 6 - fan housing; 7 - motor; 8 - coupling; 9 - fuel pump;...

  • Page 117: Hvac System Operation

    MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls 6.11 HVAC System Operation The system can be operated in the mode of ventilation, heating and air conditioning. Ventilation To perform forced air supply to the Cab, switch the fan (handle 8) on to position 1, 2 or 3.
  • Page 118 MTZ-KIROVETS K744 OPERATOR MANUAL Instruments/Controls Air conditioning The air conditioner can be activated by handles 8 (air supply rate) and 7 (air cooling degree). When activating the upper heater, it is necessary to open the valve for coolant supply pos. 7, Fig.

  • Page 119: Final Assembly, Adjusting And Running

    MTZ-KIROVETS K744 OPERATOR MANUAL Assembly 7 FINAL ASSEMBLY, ADJUSTING AND RUNNING-IN 7.1 General - PDI When shipping from the plant, certain parts and assemblies are not installed on the tractor and stowed separately for convenience of transportation and better safe-keeping. Tractor preparation for operation consists of depreservation, installation of the assemblies and parts attached, execution of works relating to maintenance, start-up and running-in of the tractor.
  • Page 120 MTZ-KIROVETS K744 OPERATOR MANUAL Assembly nozzle Bolt M12-6gx45.56.019 bar 744R-1200011-2 washer 700.13.00.027 - install muffler on the tractor; Bolt M12-6gx45.56.019 washer 700.13.00.027-1 clamp 99730 When installing muffler, screw in ring 700.13.00.028 the nut, pos. 1, to the full contact between the parts, pos. 2, 3, 4, 5, bushing 700.13.00.029-1...
  • Page 121 MTZ-KIROVETS K744 OPERATOR MANUAL Assembly 7.1.1 Installing Attached Implements Before operating the tractor, it is necessary to bring the linkage to the operating position (Fig. 101, 102, 103) and reinstall the light signal equipment removed earlier. Installation of the linkage center rod pivot 1 - pivot;...
  • Page 122 MTZ-KIROVETS K744 OPERATOR MANUAL Assembly 7.1.2 Adjustment of Lower Rods Lower linkage rods (Fig. 105) are to be adjusted as follows: Adjustment of lower linkage rods 1 - rear hinge pivots; 2 - lower rod - left; 3 - lower rod - right;...
  • Page 123 MTZ-KIROVETS K744 OPERATOR MANUAL Assembly Cab bracket Work light Installation and connection of work light Fig. 107 Perform connection of the front and rear work lights, front and rear lights, lateral turn repeaters and trailed apparatus sign as per the wiring diagram (Fig. 61, page 83).
  • Page 124 MTZ-KIROVETS K744 OPERATOR MANUAL Assembly-Running In Fig. 109 To adjust the direction of the headlight beam, open the hood, put TORX E5 head onto the adjustment screw and turn it in the required direction. For the left headlights, a turn of the upper headlights adjustment screw clockwise (counter-clockwise)

  • Page 125: Tractor Running

    MTZ-KIROVETS K744 OPERATOR MANUAL Running-In 7.1.7 Checking Window Washers Washer tank of the front and rear cab windows is mounted on the bracket behind the tractor cab on the left side in the direction of travel. To check the operation of washers, fill the tank with window washer fluid (6 L) and switch on the battery master switch.

  • Page 126: Operation And Adjustment Regulations

    MTZ-KIROVETS K744 OPERATOR MANUAL Operation 8 OPERATION AND ADJUSTMENT REGULATIONS 8.1 Procedure for Tractor Work Preparation When preparing the tractor for operation: 1) Prepare the tractor for operation only with the engine being shut down (except for special inspection operations) and the parking brake is engaged; mounted agricultural implements should be lowered;...
  • Page 127 MTZ-KIROVETS K744 OPERATOR MANUAL Operation Cab Ceiling Lights When ceiling lights are turned to the right the light comes on, to the left - the light goes off Fig. 112 Activation of the turn signal handle “right” - “left”; at the same time, the instrument panel light should flash in correspondence with the signal light.
  • Page 128 MTZ-KIROVETS K744 OPERATOR MANUAL Operation implement with consideration of the operating weight of the tractor and ballast, and to operation conditions. Internal pressure in tires for each specific tractor hook-up case is different. That is why, when tractor operation conditions are changed, it is required to check and, if needed, adjust the pressure in tires. Non- observance of the pressure standards significantly reduces the tire operation period.
  • Page 129 MTZ-KIROVETS K744 OPERATOR MANUAL Operation − do not admit tractor operation with internal tire pressure not corresponding to the prescribed standard for specific case of its use; − adjust the tire pressure value when tractor operation conditions are changed, since pressure change impacts the tractor operation properties and efficiency.

  • Page 130: Operation Procedures And Control Over Tractor During Operation

    MTZ-KIROVETS K744 OPERATOR MANUAL Operation 8.2 Operation procedures and control over tractor during operation When working with the tractor: Check the readings of instruments and signal devices. Readings of instruments and signals of indicator lights should correspond to the directives set forth in the “Controls” section. When working, make sure the emergency lights on the instrument panel are off;...

  • Page 131: Installation And Dismantling Of Wheels With Tires

    MTZ-KIROVETS K744 OPERATOR MANUAL Operation d) to avoid increased wear of tires, operate the tractor on roads with hard pavement for 30% of the total operation period max; In case of execution of hauling operations, set the fuel supply lever into the position of minimum fuel feed;...
  • Page 132 MTZ-KIROVETS K744 OPERATOR MANUAL Operation Instal the tire on the rim in the following sequence: put the tire onto an even surface and fit the rim thereon with the lip located closer to the groove facing downwards, so as to have a part of the tire shoul- der entering the rim groove;...
  • Page 133 MTZ-KIROVETS K744 OPERATOR MANUAL Operation insert the valve into the valve hole and fix it with a nut; in doing so, see for the correct position of the valve, do not admit its warping; Put the inner tube fully on the rim, pull the rim and inflate the tube to avoid the possibility of its jamming between the tire shoulders and the rim;...
  • Page 134 MTZ-KIROVETS K744 OPERATOR MANUAL Operation insert the fork end of the first tire iron into the gap appeared be-tween the shoulder lip of the rim and the tire to have the bent end of the second tire iron in the groove of the fork-shaped tire iron;...
  • Page 135 MTZ-KIROVETS K744 OPERATOR MANUAL Operation Installation of Dual wheels 1. INTRODUCTION To reduce soil pressure, especially in very moist soils (early spring, etc.) as well as improving the tractor’s traction, a kit for the installation of Dual wheels is available.
  • Page 136 MTZ-KIROVETS K744 OPERATOR MANUAL Operation Fig. 114 Installation of doubling set 1 – spacer; 2 – right wheel; 3 – left wheel; 7 – bolt; 11 – nut Designation Description Note 744Р4-3100010 Right wheel 744Р4-3100010-01 Left wheel 743-4704010 Spacer М22х1,5-6gх70.109.40Х.016...

  • Page 137: Connecting Agricultural Machines, Implements And Vehicles To The Hydraulic System

    MTZ-KIROVETS K744 OPERATOR MANUAL Operation 8.4 Connecting Agricultural Machines, Implements and Vehicles to the Hydraulic System The connection is ensured by means of eight hydraulic quick-lock cutoff couplings - Fig. 115, below - installed on the rear semi-frame of the tractor and connected to four service sections of hydraulic distributor.
  • Page 138 MTZ-KIROVETS K744 OPERATOR MANUAL Operation а) install connection point on the axles of trailing agricultural machines or implements; b) set the agricultural machine or implement in the operating position on even ground and smoothly approach in reverse to have the trailing device of lower links below the globe joints;...
  • Page 139 MTZ-KIROVETS K744 OPERATOR MANUAL Operation The components of coupling dimensions of the linkage categories are given in Fig. 117 and in table 10. Fig. 117 Table 10 Designation of linkage components Class 8 Parameter according to the Kirovets ISO 730/1...
  • Page 140 MTZ-KIROVETS K744 OPERATOR MANUAL Operation 8.5.1 Hydraulically - Driven Hook The hydraulic hook provides for connection of the tractor to vehicles and process transport carriers. The connection, using the hydraulic hook installed under platforms 8 (see Fig. 117, Page 139) of the linkage,...

  • Page 141: Procedure Of Operation With Agricultural Machines (Implements) And Vehicles

    MTZ-KIROVETS K744 OPERATOR MANUAL Operation IMPORTANT! When hooking up the tractor, with trailing agricultural machines, to be connected using hitch iron, the horizontal struts in the transverse plane shall be adjusted for movement by 150-200 mm. When transporting the machines mentioned above, lower links of the linkage shall be fully locked against transverse movements by horizontal struts.
  • Page 142 MTZ-KIROVETS K744 OPERATOR MANUAL Operation When hooking up with implements equipped with hydraulic motors (e.g. fan), their hydraulic lines should be connected to the 2nd and 3rd pair of couplings of the tractor hydraulic system. Connect the hydraulic motor pressure line to position LOWERING.
  • Page 143 MTZ-KIROVETS K744 OPERATOR MANUAL Operation The time from the moment of pressure drop at the connecting head level to 90% of the initial value until the moment when the pressure in the trailing vehicle actuator being in the least favorable conditions reaches 75% of the steady-state value with the control member being fully operated shall not exceed 0.4s;...
  • Page 144 MTZ-KIROVETS K744 OPERATOR MANUAL Operation Protect removed storage batteries from allowing dirt and metal objects into terminals and electrical connection areas. To prevent engine overrun, do not pour hot water over the high-pressure fuel pump before the start-up. Throughout the entire operation period, do not wash the fuel pump with water under pressure.
  • Page 145 MTZ-KIROVETS K744 OPERATOR MANUAL Operation 10 Pull up the parking brake after installation of the tractor onto the flat car. When loading and unloading the tractor, observe the corresponding guidelines set forth in the “Safety requirements” section. Perform placement, fastening and lead-sealing of the tractor on the flat railway car in accordance with the “Specification for placement and fastening of loads in cars and containers”.
  • Page 146 MTZ-KIROVETS K744 OPERATOR MANUAL Operation 8.8.3 Jacking the tractor (in basic configuration) To jack the tractor up (Fig. 123), set it on even horizontal ground, insert pads under the wheels after shutting off the engine, pull up the parking brake, set the mode change lever into the position N, gear change lever - into position ACTIVATION OF SYNCHRONIZER BRAKES, levers of the hydraulic distributor of the mounted equipment hydraulic system - into position NEUTRAL.

  • Page 147: Accessories

    MTZ-KIROVETS K744 OPERATOR MANUAL Accessories Pressure shall be adjusted by turning plug 7 (Fig. 124). GB hydraulic accumulator with pressure control valve 1 – housing; 2 – stem; 3 – piston; 4 – hydraulic accumulator spring; 5 – valve; 6 – valve spring; 7 – adjustment plug...

  • Page 148: Air Compressor/Gun

    MTZ-KIROVETS K744 OPERATOR MANUAL Accessories 9.3 Air Compressor/Gun Fig. 127 An air compressor coupling is installed on the tractor under the Cab, on the rear right side. Included in the SPTA tool kit is a spiral air hose and air gun.

  • Page 149: Maintenance

    MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance 10 MAINTENANCE 10.1 Types and Frequency of Maintenance Types and frequency of maintenance are in Table 11 for the tractor and in the engine operation manual for the engine. Using the tractor without the execution of regular maintenance is not recommended. Deviation in the actual frequency (advancing or delay) of M-1, M-2 is allowed to be up to 10%, of M-3 - up to 5% from the prescribed frequency.

  • Page 150: List And Contents Of Work By Types Of Maintenance To Be Performed By Operator In The Process Sequence

    MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance 10.2 List and Contents of Work by Types of Maintenance to be Performed by Operator In the Process Sequence IMPORTANT! Engine maintenance shall correspond to the engine operation manual. Maintenance when preparing new tractor for running-in, carrying out running-in,...
  • Page 151 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Preparation Execution of Completion Job description Notes for running-in running-in of running-in Check and adjust, if required: - drive belt tension ● - travel of brake chamber stems of the ● service brakes Replace oil: - in the engine lubrication system ●...
  • Page 152 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Preparation Execution of Completion Job description Notes for running-in running-in of running-in Check the operation of tractor control mechanisms, operation of brakes, window wipers, lighting and signaling, hydraulic ● ● ● systems of the linkage and for steering...
  • Page 153 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Job description Notes Check the engine condition by external inspection Perform a check of air conditioning: Execute the operations once a week. - coolant filling level. - electrical contacts for magnetic coupling connection - check hoses for damage Blow down the magnetic coupling with compressed air to remove dust.
  • Page 154 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance (125 (500 (1000 Job description Notes engine engine engine hours) hours) hours) Replace oil: - in the engine lubrication system; As per engine operation manual - in hydraulic system of the linkage execute the operation every other ●...
  • Page 155 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance (125 (500 (1000 Job description Notes engine engine engine hours) hours) hours) Check the electrolyte density and degree of charge of storage batteries and, if ● ● necessary, charge or replace them with those charged...
  • Page 156 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance (125 (500 (1000 Job description Notes engine engine engine hours) hours) hours) Check the operation of tractor control mechanisms, operation brakes, ● ● window wipers, lighting and signaling, hydraulic systems of the linkage and for...

  • Page 157: Types And Lists Of Maintenance Operations During Storage

    MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Job description Notes M-SS M-AW - in the tank of hydraulic systems of the Perform the operation once in every 2000 ● linkage and for steering control engine hours - in cases of the main and final gears of ●...
  • Page 158 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance 3 4 5 6 Item Description of lubrication points Engine lubrication system Frame’s vertical hinge pivot axles Hydraulic cylinder pins of the hydraulic system for steering control Supports of service brake cams Supports of main levers’ shaft...
  • Page 159 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Fig. 130 Tractor lubrication diagram Return to Index...

  • Page 160: Lubrication Table

    MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance 10.4 Lubrication Table Position No. Name Description of grade and designation of standard in lubrication of lubrication points lubrication and filling during operation diagram, temperature Fig. 129 from minus 40°С to +5°С from minus 40°С to +5°С...
  • Page 161 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance d for lubricants and fluids Frequency of grease (engine Notes Number of hours, maintenance type) lubrication lubrication during points and their storage capacity main greases substitutes Main grease being used 2 by 0.3 l each Main grease being used 4 by 0.05 l each...
  • Page 162 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Position No. Name Description of grade and designation of standard in lubrication of lubrication points lubrication and filling during operation diagram, temperature Fig. 129 from minus 40°С to +5°С from minus 40°С to +5°С Hydraulic cylinder pins of the link-...
  • Page 163 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance d for lubricants and fluids Frequency of grease (engine Notes Number of hours, maintenance type) lubrication lubrication during points and their storage capacity main greases substitutes Main grease being used 4 by 0.05 l each...
  • Page 164 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Position No. Name Description of grade and designation of standard in lubrication of lubrication points lubrication and filling during operation diagram, temperature Fig. 129 from minus 40°С to +5°С from minus 40°С to +5°С Bearings of intermediate support...
  • Page 165 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance d for lubricants and fluids Frequency of grease (engine Notes Number of hours, maintenance type) lubrication lubrication during points and their storage capacity main greases substitutes once in every Main grease being used 2 by 0.3 l each...

  • Page 166: Contents And Procedure Of Maintenance Operations

    MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance 10.5 Contents and Procedure of Maintenance Operations 10.5.1 Changing engine oil Put the tractor on flat horizontal ground. To achieve better results, operate the engine for a short period to warm oil. 1. To drain oil, undo the drain plug on the oil drip pan of the engine and take off the lid of oil filler port after cleaning it from dust and dirt.
  • Page 167 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Cartridge blowdown a) Connect the hose to compressed air source with the pressure of (0.2-0.3) MPa [(2-3) kgf/cm ] max. b) Start the air supply; c) Direct a dry air jet to the rear end of the filter element (at the safety filter element side), perform air- blasting of the filter element until all dust is removed.
  • Page 168 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance 10.5.3 Cooling system maintenance Filling and check of the cooling fluid: а) Fill in the tractor cooling system through the expansion tank filler to a level visible via the sight hole of the tank. When working, do not allow level reduction beyond the permissible level.
  • Page 169 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Open the radiator’s air conditioner by “pulling” it with left hand, get to the hood belt. Throw the hood belt over the radiator’s air conditioner with right hand. Fig. 135 The radiator’s air conditioner is ready for cleaning.
  • Page 170 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Radiator block cleaning Open the tractor hood. Loosen screw fastening nuts at the lower part of the radiator unit to the left and right using 17 mm wrench. Fig. 137 Loosen screw fastening nuts at the middle part of the radiator unit to the left and right using 13 mm wrench.
  • Page 171 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Loosen the radiator support (to the right from the unit at the upper part) with 14 mm wrench. Fig. 139 Having “pulled” the hood belt, “pull” the radiator by the handle. Fig. 140 Fix the radiator using the support.

  • Page 172: Gearbox Maintenance

    MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance 10.6 Gearbox Maintenance Level check and oil filling. Have the tractor on flat horizontal ground. The oil level can be checked by undoing the plugs of the reference ports: upper one 5 and lower one 6 (Fig.

  • Page 173: Maintenance Of Driving Axles, Service Brakes

    MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Adjustment of clutch pedal drive In the course of M-2 and M-3 sessions (after 500 engine hours of operation) it is necessary to adjust the clutch pedal drive, Fig. 143 & 144; - install the gear control rack in the fixed position corresponding to the neutral gear engagement;...
  • Page 174 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Change oil in the following sequence: - set one of the pinion carriers to the oil drainage position; - drain oil from the final gear; - set the second pinion carrier to the oil drainage position;...

  • Page 175: Cardan Shaft Maintenance

    MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance 10.8 Cardan Shaft Maintenance In the process of operation, observe the following rules of maintenance for cardan shafts: a) at the end of each shift check the degree of heating of bearing assemblies using a pyrometer.

  • Page 176: Maintenance Of Hydraulic Systems Of The Linkage And For Steering Control

    MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance system, which shall be 0.65 MPa (6.5 kgf/cm ), and the pressure for compressor disconnection from the pneumatic system, which shall be 0.8 MPa (8.0 kgf/cm Bolt 7 (Fig. 147) with locking nut 8, located at the upper part of the controller, shall be used for adjustment.
  • Page 177 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Fig. 148 Hydraulic tank 1 - cover; 2 - stud; 3 - nut; 4 - washer; 5 - gasket; 6 - tank housing; 7 - oil filler port; 8 - O-ring; 9 - ball valve; 10 - plug; 11 - gasket; 12 - splint pin; 13 - spring; 14 - filter housing;...
  • Page 178 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance Change of filter elements of the hydraulic tank main filters a) Undo fastening nuts 3 (see Fig. 148, page 177) and take off cover 1. b) Dismantle filter 24 with filter element and install it on the base of housing 14 (with splint pin 12 upwards).
  • Page 179 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance c) examine the surfaces being sealed; if any notches, signs of treatment are detected, dress them by scraper and grind them; d) wash the surfaces being sealed with diesel fuel; e) assemble the union or angle with nut and rubber rings, lubricate the sealing surface in the housing with oil and screw the union or angle into the housing until the nut contacts the housing, avoiding cuts of the ring being sealed.

  • Page 180: Maintenance Of Tractor Wheels

    MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance 10.11 Maintenance of Tractor Wheels Check of the condition of tires and wheels a) Every day before tractor departure examine the tires and wheels, clean the tires from foreign matter jammed in tire treads. Wheel parts with cracks and tires with defects reaching the cord or passing through should not be permitted for operation.
  • Page 181 MTZ-KIROVETS K744 OPERATOR MANUAL Maintenance In case of a contact of the battery clamp “+” with pressing, the load of 200A will be connected. Hold the probe on the “+” clamp with pressing for 5 s. Unless the voltage on the screen is below 9V, the battery is in good working order.
  • Page 182 In case of system refilling in the course of operation, to determine the required amount of oil in the compressor, it is necessary to consult with your MTZ Equipment Ltd. dealer or a specialised company dealing with maintenance and repair of air conditioners.

  • Page 183: Storage Regulations

    MTZ-KIROVETS K744 OPERATOR MANUAL Storage 11 STORAGE REGULATIONS 11.1 General Storage Perform preparation, storage and depreservation of the tractor in accordance with the provisions set forth in this section and operation manuals for the engine and storage batteries supplied with the tractor.
  • Page 184 MTZ-KIROVETS K744 OPERATOR MANUAL Storage - blow off filter element of the air cleaner with compressed air. Wrap polyethylene film around the upper part of the exhaust and air intake pipes along with the above-mentioned plugs of filler ports and bind them with packing twine.

  • Page 185: Troubleshooting

    MTZ-KIROVETS K744 OPERATOR MANUAL Troubleshooting 12 TROUBLESHOOTING 12.1 General Troubleshooting Fault Troubleshooting Transmission faults Increased heating of the pump drive reducer: no Clean the oil supply channels grease, clogging of oil channels. No or insufficient oil pressure in the gearbox: Oil leak at oil pipeline connections.
  • Page 186 MTZ-KIROVETS K744 OPERATOR MANUAL Troubleshooting Fault Troubleshooting Maladjustment of the drain gate valve control drive: Slow return of the drain pedal. Increase of the shifting Adjust the drain pedal drive. With the wire rope drive force, jamming at changeover N-1, 1-N with the drain adjusted correctly, the drain pedal in the depressed pedal fully pressed.
  • Page 187 MTZ-KIROVETS K744 OPERATOR MANUAL Troubleshooting Fault Troubleshooting If the time of turn is the same (and is over 5 s), then the cause of fault is the ingress of foreign particles into the gap between the throttle and the adjustment screw of the flow controller.
  • Page 188 MTZ-KIROVETS K744 OPERATOR MANUAL Troubleshooting Return to Index...
  • Page 189 MTZ-KIROVETS K744 OPERATOR MANUAL Troubleshooting Fault Troubleshooting - a faulty contact in the terminal connections or a wire Restore the contact in the terminal connections, check break; the electric wiring serviceability. - faulty disconnecting relay of the turn indicator; Replace the disconnecting relay.
  • Page 190 MTZ-KIROVETS K744 OPERATOR MANUAL Troubleshooting Condition of refrigerant in sight hole 2 Fig. 148 Description Almost transparent fluid Transparent fluid. Milk-colored fluid Large Some gas bubbles may No bubbles Refrigeration amount of gas bubbles appear capacity is not sufficient Condition of the system...

  • Page 191: Engine Electronic Control System Error Codes

    MTZ-KIROVETS K744 OPERATOR MANUAL Troubleshooting 12.2 Engine Electronic Control System Error Codes Return to Index...
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  • Page 214 MTZ-KIROVETS K744 OPERATOR MANUAL Troubleshooting Return to Index...
  • Page 215 MTZ-KIROVETS K744 OPERATOR MANUAL Return to Index...

  • Page 216: Appendix

    MTZ-KIROVETS K744 OPERATOR MANUAL Appendix 13 APPENDIX 13.1 Hydraulic Schematic Diagram of the Systems for Steering Control and Operating Equipment Appendix 1 Fig. 153 Pos, Pos. Name Application Name Application Designation Designation Oil radiator F1, F2 Filter 700А.46.14.190-2 Hydraulic tank F2, F4 Filter 700А.46.14.190-2...

  • Page 217: Kinematic Diagram Of Transmission

    MTZ-KIROVETS K744 OPERATOR MANUAL Appendix 13.2 Kinematic Diagram of Transmission Appendix 2 Fig. 154 Kinematic diagram of transmission 1 - engine; 2 - reducer with semi-rigid coupling; 3 - front driving axle; 4 - gearbox; 5 - PTO connecting coupling; 6 - rear driving axle;...

  • Page 218: Tighten Torque Values For Fasteners Of Main Assemblies

    MTZ-KIROVETS K744 OPERATOR MANUAL Appendix 13.3 Tighten Torque Values for Fasteners of Main Assemblies Appendix 3 Torque, kg / m Point of fastening Bolts attaching brackets to the engine 7 ... 9 Bolts attaching engine spacers to the frame Bolts attaching semi-rigid coupling to the engine flywheel...

  • Page 219: List Of Permissible Changes For Oils And Lubricants

    Note. The data on the amount of halocarbon and refrigerating oil are given for the system filled at the manufacturer’s plant. In case of system overfilling in the course of operation, it is necessary to consult your MTZ Dealer or a spe-...

  • Page 220: Logbook Of Measurements Of The Internal Air Pressure In Tires

    MTZ-KIROVETS K744 OPERATOR MANUAL Appendix Appendix 5 13.6 Logbook of Measurements of the Internal Air Pressure in Tires Serial number of Serial number of Serial number of Serial number of Notes Tire Tire Tire Tire Position Pressure Position Pressure Position Pressure...

  • Page 221: Tire Operation Record Log

    MTZ-KIROVETS K744 OPERATOR MANUAL Appendix Appendix 6 13.7 Tire Operation Record Log Size Tire installation date Model Tire dismantling date Serial number Make of the machine and its inventory No. Garage No. Tire run from the beginning of operation In hours...

  • Page 222: List Of Electrical Equipment Elements For The Electrical Diagram

    MTZ-KIROVETS K744 OPERATOR MANUAL Appendix 13.8 List of Electrical Equipment Elements for the Electrical Diagram LIST OF ELECTRICAL EQUIPMENT ELEMENTS FOR THE ELECTRICAL DIAGRAM OF K-744 TRACTORS Appendix 7 Pos. name Name Q-ty Notes А1 Steering column KF00W0D-ELS-PK Electronic unit MR...
  • Page 223 MTZ-KIROVETS K744 OPERATOR MANUAL Appendix Pos. name Name Q-ty Notes EL11 Under-h lamp PD308A-U-HL TU37.003.187-80 ЕL12…EL16 Switch illumination lamp Hella ЕL18 9FF 713 627 011 ЕL20, ЕL21 Ceiling lamp 2JA 003 231-001 ЕL22 License plate lighting lamp ОНЗ 00-02 FU1,FU2 Fuse panel 41.3722 TU37.469.013-95...
  • Page 224 MTZ-KIROVETS K744 OPERATOR MANUAL Appendix Pos. name Name Q-ty Notes HL5… HL7 Turn indicator repeater UP С-24V “Road-train” sign HL22 Rear light 7313.3716-01 HL23 TU RB 600124825026-2002 KМ Switch 1420.3737 TU37.003.574-74 Relay 751.3777 TU37.003.1418.94: Battery switch locking ET lamp activation...
  • Page 225 MTZ-KIROVETS K744 OPERATOR MANUAL Appendix Pos. name Name Q-ty Notes Switch 6RH 007 832-461 Rear service headlight activation Switch 6ЕH 007 832-011 “Road-train” sign activation Switch 6ЕH 007 832-011 Flasher lamp activation Switch 6RH 007 832-411 Rear window wiper activation...
  • Page 226 MTZ-KIROVETS K744 OPERATOR MANUAL Appendix Pos. name Name Q-ty Notes Pin contact block 206838-3 24-contact ХР3 ХР4 ХР6 ХР8 ХР16 Pin contact block 206151-3 37-contact ХР2 ХР5 ХР7 ХР15 Pin contact blocks Supersiel 1.5 282105-1 3-contact ХР13 ХР89 ХР90 ХР99...
  • Page 227 MTZ-KIROVETS K744 OPERATOR MANUAL Appendix Pos. name Name Q-ty Notes XS15 Receptacles Supersiel 1.5 XS33 282079-2 1-contact 282087-1 3-contact XS13 XS69 XS69 XS90 XS32 282088-1 4-contact 282090-1 6-contact XS70 XS99 Receptacle 601202 2-contact XS56 XS63 XS64 XS66 XS71 Receptacle АХ-333 Hydr.
  • Page 228 MTZ-KIROVETS K744 OPERATOR MANUAL Appendix Pos. name Name Q-ty Notes Receptacles ISO 10487 XS79 962189-1 Type A XS80 962191-1 Type B XS(KV12) Receptacle KR3702 Relay 711.3747 Receptacles OST 37.003.032-78: 602601 XS26 XS36 XS38 XS39 XS43 XS52 XS53 XS54 XS55 602602...
  • Page 229 MTZ-KIROVETS K744 OPERATOR MANUAL Appendix Pos. name Name Q-ty Notes XS(KV5) XS(KV6) XS(KV7) XS(KV8) XS(KV9) XS(KV10) XS(KV11) ET solenoid valve Supply with engine Solenoid valve of compressor Supply with air conditioner Return to Index...

  • Page 230: Additions, Modifications And Changes

    MTZ-KIROVETS K744 OPERATOR MANUAL Appendix 13.9 Additions, Modifications and Changes Addition to Fire Safety requirements - Section 2.6 Cleaning the tractor Fire prevention To reduce the risk of fire, your tractor should be regularly inspected and cleaned. If working in extreme conditions that promote accumulation of crop residue inspect the tractor frequently throughout the work day.
  • Page 231 MTZ-KIROVETS K744 OPERATOR MANUAL Appendix Return to Index...
  • Page 232 MTZ-KIROVETS K744 OPERATOR MANUAL NOTES Return to Index...
  • Page 233 MTZ-KIROVETS K744 OPERATOR MANUAL NOTES Return to Index...
  • Page 234 MTZ-KIROVETS K744 OPERATOR MANUAL Tel: 1-855-2GO-4MTZ (1-855-246-4689) Fax: 1-647-933-9066 Equipment Ltd. E-mail: info@mtzequipment.com Web: www.mtzequipment.com ‡ NOTE: Specifications and designs subject to change without notice or obligation. Optional. *Manufacturer’s Estimate. ©Copyright MTZ Equipment Ltd. ®Trademark of MTZ Equipment Ltd. 10/10/20...

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