Case 721 Wheel Loader Service Manual

Covers: Case 721 Wheel Loader

• Built 1989-1992
• Please contact us with your serial number if you have compatibility questions

Type: Service Manual
Language: English
Pages: 1,471
Format: PDF
File size: 362mb
Features: Bookmarked, searchable, printable
Compatibility: Windows/Mac/Tablet/Mobile

Comprehensive service/repair information for Case 721 loaders. This digital PDF manual can be downloaded to any compatible device. It covers all of the shop information a mechanic needs to troubleshoot, service and overhaul the machine.

Contents:

GENERAL INFORMATION

• Loctite Product Chart
• Standard Torque Specifications
• Fluids and Lubricants

ENGINE

• Engine Removal and Installation and Radiator Removal and Installation
• Stall Tests
• Specification Details
• Cylinder Head and Valve Train
• Cylinder Block, Pistons, Rods, Camshaft, Main Bearings, Oil Seals, and Flywheel
• Lubrication System
• Cooling System
• Turbocharger
• Turbocharger Failure Analysis

FUEL SYSTEM

• Fuel System and Filters
• Fuel Injection Pump and Drive Gear
• Fuel Injectors

ELECTRICAL SYSTEM

• Specifications, Schematics, Troubleshooting, and Using Booster Batteries to Start the Engine
• Starter and Starter Solenoid – Nippondenso
• Starter and Starter Solenoid – Delco Remy
• 45 Amp Alternator
• Batteries
• Instrument Cluster
• 65 Ampere Alternator

STEERING

• Removal and Installation of Steering Components
• Steering Troubleshooting and Pressure Check
• Steering Control Valve
• Flow Control Valve
• Steering Cylinder
• Center Pivot
• Auxiliary Steering Pump, Valve
• Auxiliary Steering Motor, Pump

POWER TRAIN

• Removal and Installation of Components
• Transmission Specifications and Troubleshooting (ZF Transmission with Clark Shifter)
• Transmission Specifications and Troubleshooting (ZF Transmission with ZF Shifter)
• Transmission Repair
• Differential and Planetary Repair
• Drive Shafts, Center Bearing and Universal Joints
• Wheels and Tires

BRAKES

• Removal and Installation of Brake Components
• Specifications, Schematic, Troubleshooting, Leakage Tests and Adjustments
• Air Compressor and Governor
• Brake Valve
• Brake Actuator
• Pressure Reducing Valve and Pressure Protection Valve
• Parking Brake (Drum, Disc)
• Disc Brakes (Goodyear, Carlisle)
• Air Dryer

HYDRAULICS

• Removal and Installation of Components
• Hydraulic Specifications, Schematics, Troubleshooting, and Pressure Checks
• Cleaning the Hydraulic System
• Hydraulic Pump
• Loader Control Valve
• Cylinders
• Remote Control Valves
• Pressure Regulator Valve and Accumulator

CHASSIS

• Air Conditioning Troubleshooting and System Checks
• Discharging and Charging the Air Conditioning System
• Removal and Installation of Air Conditioning Components
• Compressor and Clutch
• Loader
• ROPS Cab and ROPS Canopy
• Seats and Seat Belts
• Suspension Seat
• Pedals and Levers