Case 621B, 721B Loaders Repair & Service Manual

7-60064 - 621B, 721B Loaders Service Manual.pdf

Complete service repair manual with Electrical Wiring Diagrams for Case 621B, 721B Loaders , with all the shop information to maintain, diagnostic, repair, service like professional mechanics.

Case 621B, 721B Loaders workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
...
Total Pages: 1,860 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English

621B, 721B Loaders Service Manual.pdf
621 B 6T-590; 721 B 6T-830

Case 621B 721B loader

621B 6T-590 Engine
721B 6T-830 Engine

MAIN SECTIONS

    General
    Loctite Product Chart
    Standard Torque Specifications
    Fluids and Lubricants
    Engines
    Engine Removal and Installation and Radiator Removal and Installation – 621B
    Engine Removal and Installation and Radiator Removal and Installation – 721B
    Stall Tests

        621B 6T-590 Engine
        Specification Details
        Cylinder Head and Valve Train
        Cylinder Block – Crankshaft, Pistons, Rods, Sleeves, Camshaft,
        Bearings, Seals, and Flywheel
        Lubrication System
        Cooling System
        Turbocharger
        721B 6T-830 Engine
        Specification Details
        Cylinder Head and Valve Train
        Cylinder Block – Crankshaft, Pistons, Rods, Sleeves, Camshaft,
        Bearings, Seals, and Flywheel
        Lubrication System
        Cooling System
        Turbocharger
        Turbocharger Failure Analysis
    Fuel System
        621B 6T-590 Engine
        Fuel System and Filters
        Fuel Injection Pump and Drive Gear
        Fuel Injectors
        721B 6T-830 Engine
        Fuel System and Filters
        Fuel Injection Pump and Drive Gear
        Fuel Injectors
        Description
    Electrical
    Removal and Installation of Starter and Alternator
    Electrical Schematics, Troubleshooting and
    Using Booster Batteries to Start the Engine
    Electrical Schematics and Troubleshooting – Units with Auto Shift Transmission
    Starter and Starter Solenoid – Nippondenso – 621B
    Starter and Starter Solenoid – Nippondenso – 721B
    Batteries
    Instrument Cluster and Gauges
    65 Ampere Alternator – Bosch
    Steering
    Removal and Installation of Steering Components
    Steering Specifications and Troubleshooting
    Steering Control Valve
    Flow Control Valve
    Steering Cylinder
    Center Pivot
    Auxiliary Steering Motor and Pump
    Power Train
    Removal and Installation of Power Train Components
    Transmission Specifications, Schematic, and Troubleshooting – Units Without Auto
    Shift Transmission
    Transmission Specifications, Schematic, and Troubleshooting – Units With Auto Shift
    Transmission
    Transmission Repair – 621B (4WG150)
    Transmission Repair – 721B (4WG180)
    Front and Rear Axle Repair
    Drive Shaft, Center Bearing and Universal Joints
    Wheels and Tires
    Transmission Control Valve – Units Without Auto Shift Transmission
    Transmission Control Valve – Units With Auto Shift Transmission
    Brakes
    Removal and installation of Brake Components
    Hydraulic Brake Troubleshooting
    Brake Pump
    Brake Accumulators
    Brake Actuator Valve
    Brake Accumulator Valve
    Parking Brake
    NOTE: For parking brake and brake pedal adjustments, see Section 9009.
    Hydraulics
    Removal and Installation of Hydraulic Components
    Hydraulic Specifications, Schematics. Troubleshooting and Pressure Checks
    Cleaning the Hydraulic System
    Hydraulic Pump
    Loader Control Valve
    Cylinders
    Coupler Lock Valve • XT Loader
    Remote Control Valves
    Pressure Reductng’Sequence Valve
    Chassis
    Air Conditioning Troubleshooting and System Checks
    Air Conditioning Troubleshooting and System Checks – For Systems with HFC-134a
    Refrigerant
    Air Conditioner System Service • Refrigerant Recovery,
    System Evacuation and Recharging
    Air Conditioner System Service • Refrigerant Recovery, System Evacuation and
    Recharging for Systems with HFC-134a Refrigerant
    Removal and Installation of Air Conditioning Components
    Removal and Installation of Air Conditioning Components – For Systems with
    HFC-134a Refrigerant
    Air Conditioning Compressor and Clutch
    Air Conditioning Compressor and Clutch – For Systems with HFC-134a Refrigerant
    Loader
    ROPS Cab and ROPS Canopy
    Seat and Seat Belts
    Suspension Seat
    Pedals and Levers
    Cab Window Replacement