721F Wheel Loader
Service Manual
84488413

Table of Contents
DescriptionSection 
No.GeneralGeneral 
Torque Specifications1001
Fluids and Lubricants1002
Metric Conversion 
Chart1003
EnginesEngine and Radiator Removal and Installation2000
Stall Tests2002
After Cooler2003
Engine Intake Air Filtration2010
SCR System Sensors2020
SCR Catalyst2030
Engine Intake Temperature/Humidity Sensor2040
DEF/ADBLUE Heater Control Valve2050
DEF/ADBLUE DNOx Supply Module2060
DEF/ADBLUE Dosing Injector2070
DEF/ADBLUE Supply Tank2080
DEF/ADBLUE Supply Tank Level and Temperature Sensor/Pick-up and Heater2090
DEF/ADBLUE Supply Filters2100
For Engine Repair, See the Engine Service Manual (sold separately)84392428
Fuel SystemFor Fuel System Repair, See the Engine Service Manual (sold separately)84392428
ElectricalRemoval and Installation of Starter and Alternator 4001 
Electrical Specifications and Troubleshooting 4002 
Batteries 4003
Instrument Cluster 4005 
SteeringRemoval and Installation of Steering Components5001
Steering Specifications, Pressure Checks, and Troubleshooting5002
Steering Cylinders 5005
Center Pivot5006
Auxiliary Steering Motor and Pump
5008Joystick Steering System (JSS)
5009Power TrainRemoval and Installation of Power Train Components
6001Transmission Specifications, Pressure Checks, and Troubleshooting
60024 & 5 Speed Transmission6003
Multitrac MT-L 3705 II / 3085 II / 3095 II Axles6004
Drive Shafts, Center Bearing, and Universal Joints6005
Wheels and Tires6006
BrakesRemoval and Installation of Brake Components7001
Hydraulic Brake Troubleshooting7002
Brake Pump7003Brake Accumulators7004
Parking Brake7008
HydraulicsRemoval and Installation of Hydraulic Components8001
Hydraulic Specifications, Troubleshooting, and Pressure Checks8002
Cleaning the Hydraulic System8003
Hydraulic Pump8004721F Wheel LoaderService Manual84488413Table of ContentsDescriptionSection No.
Hydraulics (continued)Loader Control Valve8005
Cylinders8006Coupler Solenoid Locking Valve8007
Ride Control Accumulator8013Ride 
Control Valve8014
Mounted EquipmentAir Conditioning Troubleshooting and System Checks For Systems with HFC-134a Refrigerant9002
Air Conditioner System Service9003
Removal And Installation Of Air Conditioning And Heater Components9004
Loader9006Roll Over Protective Structure (ROPS), Cab Structural Frame (CSF)9007
Cab Glass Installation9010
Rear View Camera Installation and Removal
9020 Electrical Schematic Foldouts and Hydraulic Schematic FoldoutIn 
Rear Pocket