Contents

Introduction

General information

• Brief information about the tractor
• Tractor technical data
• Refueling the tractor
• Tractor adjustments
• Tractor rolling bearings
• Tractor cuffs
• Governing bodies and control devices
• Maintenance
• Maintenance while preparing the tractor for operational run-in
• Maintenance during operational break-in
• Maintenance after the end of operational break-in
• Shift Maintenance (ETO)
• First maintenance (TO-1)
• Second maintenance (TO-2)
• Third maintenance (MOT - 3)
• Autumn-winter seasonal maintenance
• Maintenance of the tractor in special operating conditions. When using the tractor in the desert, on sandy soils and in dusty conditions
• Maintenance of tractors in special operating conditions
• Maintenance of the tractor during short-term storage. In preparation for storage
• Maintenance during long-term storage In preparation for long-term storage

Engine

• Maintenance of diesel engines
• Maintenance of the crank mechanism
• Maintenance of the gas distribution mechanism
• Diagnostics of diesel engines
• Determination of the general condition of the cylinder-piston group
• Determination of the total clearance in the connecting rod heads
• Checking the condition of the seals in the cylinders
• Determination of valve timing
• Determination of non-tightness of valves
• Possible malfunctions of diesel engine mechanisms, methods of detection and elimination
• Diesel repair
• Removing the diesel engine
• Removing the cylinder head
• Dismantling the cylinder head
• Checking the technical condition, repairing the cylinder head
• Cylinder head assembly
• Installing the cylinder head
• Removing connecting rods with pistons and cylinder liners
• Checking the technical condition and repair of parts of the cylinder-piston group
• Replacing piston rings
• Replacing the crankshaft seals
• Removing and installing crankshaft
• Installing liners, connecting rods with pistons, lower crankcase cover and cylinder head
• Repair of the gas distribution mechanism
• Installing a diesel engine on a tractor

Diesel lubrication system

• The device of the lubrication system units
• Oil pump
• Oil filter (centrifuge)
• Turbocharger Oil Filter
• Maintenance of the lubrication system
• Diagnostics of the technical condition of the lubrication system
• Checking the oil pressure in the main line and the serviceability of the standard pressure gauge
• Checking the performance of the centrifugal oil cleaner
• Possible malfunctions of the lubrication system, methods of detection and elimination
• Repair of lubrication system units
• Removing the oil pump
• Checking the technical condition and repairing the oil pump.
• Installing the oil pump
• Removing and installing oil cooler

Diesel cooling system

• The device of the cooling system units
• Water pump and fan
• Thermostat
• Water radiator
• Engine preheating system
• Cooling system maintenance
• Checking the level and filling the radiator with coolant
• Adjusting the tension of the fan and generator drive belts
• Descaling the cooling system
• Checking the technical condition of the cooling system
• Possible malfunctions of the cooling system, methods of detection and elimination
• Repair of cooling system units
• Water pump repair
• Water pump repair
• Repair of preheater
• Diesel power system
• The device of the diesel power system units
• Coarse fuel filter
• Fine fuel filter
• Booster pump
• Fuel pump
• Fuel pump regulator
• Injector
• Diesel automatic protection system SMD-18N.02
• Air purifier
• Turbocharger ТКР 8.5Н-1
• Maintenance of the diesel power system
• Draining sediment from the fuel tank
• Draining sediment and washing the coarse fuel filter
• Draining sediment, washing and replacing fine fuel filter elements
• Checking and adjusting the setting angle of the fuel injection advance
• Checking and adjusting nozzles for injection pressure and spray quality
• Cleaning and flushing the diesel air cleaner
• Diagnostics of the technical condition of the power supply system
• Checking the condition of the booster pump, filter elements of the fine fuel filter and bypass valve
• Determining the state of precision fuel pump pairs
• Checking the technical condition of the turbocharger
• Possible malfunctions of the diesel power supply system, methods of detection and elimination
• Repair of units, diesel power supply system
• Removal and installation of the fuel pump (injection pump)
• Inspection of technical condition and repair of injection pump
• Running in a high pressure fuel pump with a regulator and a booster pump
• Adjustment of the fuel pump LSTN-490010 at the stand
• Repair of high pressure fuel lines
• Injector repair
• Repair of the fuel pump. Removing the fuel priming pump
• Repair of fuel filters
• Repair of the exhaust system
• Fuel tank repair

Diesel starting system with additional starting engine

• Device and operation of the PD-10UD starting motor
• Design and operation of the starting motor gearbox
• Maintenance of the starter motor and gearbox
• Flushing the starting engine air cleaner
• Carburetor maintenance
• Maintenance of the ignition system
• Adjusting the cut-off mechanism of the starting motor reducer
• Adjustment of the gearbox clutch control and gearbox release mechanism
• Diagnostics of the technical condition of the starting motor
• Checking the vacuum in the starting engine cylinder
• Checking the compression in the starting engine cylinder
• Checking the technical condition of the starting engine crank mechanism
• Determination of the total clearance in the upper and lower heads of the starting motor connecting rod
• Determining the crankshaft speed
• Checking the condition of the transmission mechanisms of the starting motor
• Possible malfunctions of the starting motor and gearbox, methods of detection and elimination
• Repair of the starting motor
• Disassembly, flaw detection and replacement of parts of the cylinder-piston group
• Replacing the starting motor assembly
• Repair of the crank mechanism PD-10UD
• Running in the starting motor
• Starter motor gearbox repair
• Clutch and freewheel repair
• Repair of circuit breaker

Clutch

• Clutch design and operation
• Clutch maintenance
• Clutch Adjustment
• Brake adjustment
• Adjusting the clutch control
• Possible clutch faults, detection methods and remedies
• Clutch repair
• Removing and disassembling the clutch
• Checking the technical condition of parts
• Clutch assembly and installation

Cardan drive

• Cardan drive device
• Cardan transmission maintenance
• Checking the technical condition and repairing the cardan transmission
• Installing and adjusting the driveline

Reverse gear

• Reverse gear unit
• Reverse gear repair

Creeper

• Creeper device
• Creeper repair

Transmission

• The device of the transmission unit units
• Gearbox
• Rear axle
• Final transfer
• Maintenance of transmission unit units
• Adjusting the tractor control mechanism
• Adjusting the brakes of the planetary swing mechanisms
• Planetary Swing Brake Control Adjustment
• Adjusting the holding brakes
• Adjusting the stop brake control mechanism
• Adjustment of the tractor control mechanism with a swivel reducer or reverse gear
• Checking the technical condition of the power train
• Checking the general condition of the power train
• Checking the wear condition of the power train
• Checking the condition of gearbox and final drive parts
• Possible malfunctions of the transmission unit units, methods of detection and elimination
• Repair of transmission unit units
• Removing the transmission unit
• Eliminating transmission faults
• Troubleshooting rear axle
• Final drive troubleshooting
• Installing the transmission unit

Chassis

• Undercarriage aggregates device
• Tractor frame
• Suspension
• Idler wheel with tension cushion
• Support roller
• Track chain
• Undercarriage maintenance
• Adjusting the tension of the track chain with a screw tensioner
• Track chain tension adjustment with hydraulic tensioner
• Track roller bearing adjustment
• Idler bearing adjustment
• Oil level check and oil change
• Checking the technical condition of the chassis
• Determination of wear of track chains and drive wheels of support rollers, shock absorbers, and tensioners
• Checking undercarriage bearing clearances
• Possible chassis malfunctions, methods of detection and elimination
• Repair of undercarriage units
• Suspension carriage repair
• Idler wheel repair
• Support roller repair
• Track chain repair

Separate-aggregate hydraulic system

• Construction of hydraulic aggregates
• Hydraulic pumps
• Distributor Р80-2 / 1-222
• Oil tank
• Oil lines and fittings
• Main and remote power cylinders
• Power steering
• Hydraulic system maintenance
• Diagnostics of the technical condition of hydraulic units
• Checking the general condition of the hydraulic system
• Assessment of the condition of the hydraulic system distributor of the attachment by oil consumption
• Checking the opening pressure of the safety valve and the automatic return of the distributor spools
• Checking the condition of the power cylinder by shrinkage of the rod (piston)
• Checking the condition of the valve for limiting the piston stroke of the external hydraulic cylinder
• Checking the hydraulic pump flow
• Possible malfunctions of the hydraulic system, methods of detection and elimination
• Repair of hydraulic units
• Repair of gear pumps.
• Distributor repair
• Power cylinder repair
• Replacing the hydraulic clutch control
• Oil tank repair
• Repair of oil pipelines, high-pressure hoses, connecting (locking) rupture devices

Attachment

• Attachment design
• Automatic coupling CA-2
• Hitching the tractor with agricultural machines
• Compilation of machine and tractor units
• Tractor operation with mounted agricultural machines and implements
• The procedure for connecting machines and implements to the hitch of the tractor using the CA-2 automatic coupler
• Tractor operation with trailed agricultural machinery

Electrical equipment

• The device of electrical equipment
• Battery
• Generator
• Starting motor starter
• Diesel start blocking
• Sound signal
• Maintenance of electrical equipment
• Battery maintenance
• Generator maintenance
• Maintenance of the electric starter of the starting motor
• Magneto service
• Adjusting the engine blocking device
• Maintenance and adjustment of lighting devices
• Beep Adjustment
• Diagnostics of the technical condition of electrical equipment
• Checking the battery 6ТСТ-503МС (6СТ-50А)
• Checking the generator on the tractor
• Checking the generator at the stand KI-8927
• Checking the generator using the KI-1093 device
• Checking the relay-regulator RR362-B using the KI-1093 device
• Checking the integrated voltage regulator
• Checking the relay-regulator RR 362-B at the stand KI-8927
• Checking the launch system using the instruments of the KI-8927 stand
• Checking the starting system using the KI-1093 device
• Checking magneto М124-B1 and spark plugs
• Possible malfunctions of electrical equipment, methods of detection and elimination
• Repair of electrical equipment
• Battery Troubleshooting
• Replacing the battery
• Battery Troubleshooting
• Generator repair
• Troubleshooting the regulator relay
• Starter repair
• Repair of magneto М124 - B1
• Repair of lighting devices
• Repair of switching devices and wiring
• Installation of electrical units on the tractor

Power take-off shaft (BOM)

• PTO device of tractor DT-75N
• Work of a tractor with agricultural machinery using PTO drive
• Repair of PTO of tractor DT-75M
• Removing the PTO gearbox and disassembling it
• Technical condition check
• Build and install

Cab

• Cabin ventilation unit
• Attachment design
• Automatic coupling CA-2
• Hitching the tractor with agricultural machines
• Compilation of machine and tractor units
• Tractor operation with mounted agricultural machines and implements
• The procedure for connecting machines and implements to the hitch of the tractor using the CA-2 automatic coupler
• Tractor operation with trailed agricultural machinery

Electrical equipment

• The device of electrical equipment
• Battery
• Generator
• Starting motor starter
• Diesel start blocking
• Sound signal
• Maintenance of electrical equipment
• Battery maintenance
• Generator maintenance
• Maintenance of the electric starter of the starting motor
• Magneto service
• Adjusting the engine blocking device
• Maintenance and adjustment of lighting devices
• Beep Adjustment
• Diagnostics of the technical condition of electrical equipment
• Checking the battery 6ТСТ-503МС (6СТ-50А)
• Checking the generator on the tractor
• Checking the generator at the stand KI-8927
• Checking the generator using the KI-1093 device
• Checking the relay-regulator RR362-B using the KI-1093 device
• Checking the integrated voltage regulator
• Checking the relay-regulator RR 362-B at the stand KI-8927
• Checking the launch system using the instruments of the KI-8927 stand
• Checking the starting system using the KI-1093 device
• Checking magneto М124-B1 and spark plugs
• Possible malfunctions of electrical equipment, methods of detection and elimination
• Repair of electrical equipment
• Battery Troubleshooting
• Replacing the battery
• Battery Troubleshooting
• Generator repair
• Troubleshooting the regulator relay
• Starter repair
• Repair magneto М124 - B1
• Repair of lighting devices
• Repair of switching devices and wiring
• Installation of electrical units on the tractor

Power take-off shaft (BOM)

• PTO device of tractor DT-75N
• Work of a tractor with agricultural machinery using PTO drive
• Repair of PTO of tractor DT-75M
• Removing the PTO gearbox and disassembling it
• Technical condition check
• Build and install

Cab

• Cabin ventilation unit
• Cab heating
• Seats
• Windscreen washer
• Cabin repair
• Removal and installation of the cab
• Inspection of technical condition and repair of cab parts
• Replacing the electric wiper

Transmission accessories. Torque multiplier (UKM) tractor DT-751M

• Torque booster device
• Torque multiplier maintenance
• Torque booster repair

Literature