John Deere 2020, 2120 Tractor Service Repair Manual TM4252

    SECTION 10-GENERAL INFORMATION
        Group 5 - Specifications
        Group 10 - Pre-delivery, delivery and after-sales inspections
        Group 15 - Lubrication and service
        Group 20 - Engine and tractor tune-up and adjustment
        Group 25 - Removal and installation of assemblies
    SECTION 20-ENGINE
        Group 5 - General information, diagnosing malfunctions
        Group 10- Cylinder head, camshaft and balancer shafts
        Group 15- Cylinder block, liners, pistons and connecting rods
        Group 20 - Crankshaft, crankshaft bearings and flywheel
        Group 25 - Timing gear train
        Group 30 - Oil pump, oil pressure regulating valve and oil filter
        Group 35 - Engine cooling system
        Group 40 - Speed control
    SECTION 30- FUEL SYSTEM
        Group 5 - Diagnosing malfunctions
        Group 10 - Fueltank, transfer pump, fuel filters
        Group 15 - ROTO-DIESEL injection pump
        Group 20 - ROOSA-MASTER injection nozzles
        Group 25 - Cold weather starting aids
    SECTION 40-ELECTRICAL SYSTEM
        Group 5 - Diagnosing malfunctions
        Group 10- Components and wiring diagrams
    SECTION 50- POWER TRAIN
        Group 5 - Engine clutch and clutch linkage
        Group 10- HIGH-LOW shift unit
        Group 15 - Transmission
        Group 20 - Differential assembly
        Group 25 - Final drives
        Group 30 - Continuous-running power shaft
        Group 35 - Independent power shaft
    SECTION 60- FRONT AXLE, STEERING AND BRAKES
        Group 5 - Front axle
        Group 10 - Steering
        Group 15 - Brakes
    SECTION 70-HYDRAULIC SYSTEM
        Group 5 - General information, diagnosing malfunctions, pressure tests
        Group 10- Oil reservoir, filter, valves and oil cooler
        Group 15 - Hydraulic pump and transmission oil pump
        Group 20 - Rockshaft
        Group 25 - Selective control valves (spool type)
        Group 30 - Selective control valve (poppet valve type)
        Group 35 - Remote hydraulic cylinder
    SECTION 80-MISCELLANEOUS
        Group 5 - Belt pulley
        Group 10- DE LUXE seat
        Group 15 - Front and rear wheels
        Group 20 - Hydraulic hitch
        Group 25 - Roll guard

Pages: 354
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