T-25 tractor (device and operation)

Part I. TRACTOR DEVICE
I. General information
II. D-21 engine
General device.
crank mechanism
Piston
Connecting rod
Crankshaft
Flywheel and balancing mechanism
Gas distribution system
Decompression mechanism
III. Engine lubrication system
IV. Cooling system
V. Engine power system
Air cleaner
Fuel pump
High Pressure Pump Section
Fuel pump adjustment
Fuel filters
Nozzle
Chapter VI. Engine assembly
Assembly of the main nodes
General engine assembly;
Crankshaft installation
Front sheet installation
Installing the balancer roller
Installing flywheel housing and flywheel
Installation of anchor studs and piston group
Cylinder head installation
Assembling and installing engine timing parts on an engine
Replacing parts for a crank mechanism
Replacing main and connecting rod bearings
Oil pump assembly
Pressure reducing valve assembly.
Centrifuge assembly
Installing a centrifuge on an engine
Assembling the tensioning mechanism and installing it on the engine
Installing deflectors on the engine.
Assembly of the fan with the generator and installation on the engine
Air cleaner assembly
Dismantling and assembly of the fuel pump N D-21/2
Chapter VII. Tractor power train
General description and scheme of power transmission
Clutch 62

Coupling 65
Final drive 65
Final drive 74
Brakes and brake hoses 76
Chapter VIII. Half frame, chassis and steering 78
Half Frame 78
Front axle 79
Tractor wheels and pneumatic
Steering 83
Engine Control 85
Chapter IX. Work and auxiliary equipment 87
PTO drive 87
Drive Pulley 89
Trailer brake drive .90
Seat 91
Tractor trim 92
Fuel tank 94
Awning 95
Chapter X. Electrical equipment, starting system and appliances 95
Sources of electric current 96
Electric consumers 99
Lighting and alarm system103
Instrumentation 103
Switching equipment 106
Chapter xi. Hydraulic Attachment 106
Oil pump 107
Distributor 109
Hydraulic hoist 112
Power cylinder 113
Oil lines 115
The mechanism for hanging guns. 115
Part II TRACTOR OPERATION 118
Chapter I. Starting the engine and operating the tractor 118
Controls and control devices 118
Engine start-up preparation 120
Engine start 120
Work on a tractor 121
Stop the tractor and engine 121
Tractor Safety Precautions 122
Chapter II Preparing the tractor for various working conditions 122
Reconstruction of a tractor in high and low modifications 123
Preparing the tractor for long reverse gear 127
Preparing the tractor for operation on soft or moist soils 128
Chapter III. Work tractor with trailed machines
Transportation of agricultural goods
Trailer brake drive
Installation of additional loads
Chapter IV Work tractor with mounted machines
Work tractor with a plow
Work tractor with cultivator
Work tractor with seeder
Work tractor with beet lifter
Work tractor with a mower
Work tractor with a sprayer-pollinator

Work tractor with mounted drag
Chapter V. Tractor Maintenance
General requirements for the maintenance of tractors during their operation
Maintenance during the first 60 operating hours of the new tractor
Periodic Maintenance (Maintenance)
Special Service