Part of the Case Repair Manuals.
This is the complete factory repair manual for the Case 521D wheel loader. It is organized into the standard Case service groups, General, Engines, Fuel System, Electrical, Steering, Power Train, Brakes, Hydraulics, and Mounted Equipment, and it includes the electrical and hydraulic schematic foldouts. Engine and radiator removal, stall tests, and specifications are covered here, while internal engine and fuel-injection repair is referred to the separate Case Engine Service Manual. Many sections carry a second version for machines with product identification number JEE0135501 and above, so both early and later 521D builds are documented with grounded specifications, pressure checks, and step-by-step removal and installation procedures.
Other edition of this manual
What's Inside This Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| General | Standard Torque Specifications, Fluids and Lubricants, Metric Conversion Chart, Loctite Product Chart | |
| Engines | Engine and Radiator Removal and Installation, Engine and Radiator Removal and Installation P.I.N. JEE0135501 and Above, Stall Tests, For Engine Repair, See the Engine Service Manual | |
| Fuel System | For Fuel System Repair, See the Engine Service Manual | |
| Electrical | Removal and Installation of Starter and Alternator, Electrical Specifications and Troubleshooting, Electrical Specifications and Troubleshooting P.I.N. JEE0135501 and Above, Batteries, Information and Diagnostic Center, Alternator - 65 Ampere, Alternator - 45 Ampere | |
| Steering | Removal and Installation of Steering Components, Steering Specifications, Pressure Checks, And Troubleshooting, Steering Control Valve, Steering Priority Valve, Steering Cylinders, Center Pivot, Auxiliary Steering Motor and Pump | |
| Power Train | Removal and Installation of Power Train Components, Transmission Specifications, Pressure Checks, And Troubleshooting, Transmission, Front and Rear Axle, Front and Rear Axle P.I.N. JEE0135501 and Above, Drive Shafts, Center Bearing, And Universal Joints, Wheels and Tires, Transmission Control Valve | |
| Brakes | Removal and Installation of Brake Components, Hydraulic Brake Troubleshooting, Brake Accumulators, Parking Brake | |
| Hydraulics | Removal and Installation of Hydraulic Components, Hydraulic Specifications, Troubleshooting, And Pressure Checks, Cleaning the Hydraulic System, Cylinders, Coupler Solenoid Locking Valve, Pilot Pressure Accumulator and Ride Control Accumulator | |
| Mounted Equipment | Pedals and Levers, Air Conditioning Troubleshooting and System Checks for Systems with HFC-134a Refrigerant, Air Conditioner System Service, Removal and Installation of Air Conditioning Components for Systems with HFC-134a Refrigerant, Loader, ROPS Cab and ROPS Canopy, Cab Glass Installation | |
| Schematic Foldouts | Electrical Schematic Foldouts and Hydraulic Schematic Foldout, Electrical Schematic Foldouts and Hydraulic Schematic Foldout P.I.N JEE0135501 and Above |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine | ||
| Low idle speed | 1020 to 1080 rpm | |
| Full throttle, no load | 2220 to 2280 rpm | |
| Engine oil capacity with filter change | 10.5 L (11 qt) | |
| Torque Converter | ||
| Torque converter stall speed | 1930 to 2090 rpm | |
| Torque converter oil operating temperature | 82 to 104 C (180 to 220 F) | |
| Hydraulic System | ||
| Hydraulic system stall speed | 1945 to 2255 rpm | |
| Hydraulic reservoir refill with filter change | 68.5 L (18 gal) | |
| Hydraulic oil operating temperature | 51 to 79 C (125 to 175 F) | |
| Power Train / Hydraulics | ||
| Combined torque converter and hydraulic stall speed | 1395 to 1705 rpm | |
| Cooling System | ||
| Cooling system capacity | 34.1 L (9 gal) | |
