Case 521F Manual de usuario
521F
TIER IV
Print No. 84581916A
Service Manual
Wheel Loader
Copyright © 2012 CNH Italia S.p.A.
All rights reserved.
Printed in E.C.
Issued March, 2012
CNH Italia S.p.A.
Via Plava, 80
10135 Torino
Italia 84581916A
521F Wheel Loader
Repair Manual
84581916A
Table of Contents
Description Section No.
General Tab 1
Section Index - General
Standard Torque Specifications 1001
Fluids and Lubricants 1002
Metric Conversion Chart 1003
Engines Tab 2
Section Index - Engines
Engine and Radiator Removal and Installation 2000
Stall Tests 2002
After Cooler 2003
SCR System Sensors 2020
SCR Catalyst 2030
Engine Intake Temperature/Humidity Sensor 2040
DEF/ADBLUE Heater Control Valve 2050
DEF/ADBLUE DNOx Supply Module 2060
DEF/ADBLUE Dosing Injector 2070
DEF/ADBLUE Supply Tank 2080
DEF/ADBLUE Supply Tank Level and Temperature Sensor/Pick-up and Heater 2090
DEF/ADBLUE Supply Filters 2100
For Engine Repair, See the Engine Service Manual 84392428
Fuel System Tab 3
Section Index - Fuel System
For Fuel System Repair, See the Engine Service Manual 84392428
Electrical Tab 4
Section Index - Electrical
Removal and Installation of Starter and Alternator 4001
Electrical Specifications and Troubleshooting - Electrical Schematic 4002
Batteries 4003
Instrument Cluster 4005
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Copyright © 2012 CNH Italia S.p.A.
All rights reserved.
Printed in E.C.
Issued March, 2012
CNH Italia S.p.A.
Via Plava, 80
10135 Torino
Italia 84581916A
Steering Tab 5
Section Index - Steering
Removal and Installation of Steering Components 5001
Steering Specifications, Pressure Checks, and Troubleshooting 5002
Steering Cylinders 5005
Center Pivot 5006
Auxiliary Steering Motor and Pump 5008
Power Train Tab 6
Section Index - Power Train
Removal and Installation of Power Train Components 6001
Transmission Specifications, Pressure Checks, and Troubleshooting 6002
Transmission 6003
Front Axle 6004
Rear Axle 6004
Drive Shafts, Center Bearing, and Universal Joints 6005
Wheels and Tires 6006
Transmission Control Valve 6007
Brakes Tab 7
Section Index - Brakes
Removal and Installation of Brake Components 7001
Hydraulic Brake Troubleshooting 7002
Brake Pump 7003
Brake Accumulators 7004
Parking Brake 7008
Hydraulics Tab 8
Section Index - Hydraulics
How to Read Hydraulic Schematics 8000
Removal and Installation of Hydraulic Components 8001
Hydraulic Specifications, Troubleshooting, and Pressure Checks 8002
Cleaning the Hydraulic System 8003
521F Wheel Loader
Repair Manual
84581916A
Table of Contents
Description Section No.
Find manuals at https://best-manuals.com
Copyright © 2012 CNH Italia S.p.A.
All rights reserved.
Printed in E.C.
Issued March, 2012
CNH Italia S.p.A.
Via Plava, 80
10135 Torino
Italia 84581916A
Loader Control Valve 8005
Cylinders 8006
Coupler Solenoid Locking Valve 8007
Ride Control Accumulator 8013
Ride Control Valve 8014
Mounted Equipment Tab 9
Section Index - Mounted Equipment
Air Conditioning Troubleshooting and System Checks 9002
Air Conditioner System Service 9003
Removal And Installation Of Air Conditioning And Heater Components 9004
Loader 9006
Roll Over Protective Structure (ROPS), Cab Structural Frame (CSF) 9007
Cab Glass Installation 9010
Hydraulic Schematic Foldout In Rear Pocket
521F Wheel Loader
Repair Manual
84581916A
Table of Contents
Description Section No.
Find manuals at https://best-manuals.com
Copyright © 2012 CNH Italia S.p.A.
All rights reserved.
Printed in E.C.
Issued March, 2012
CNH Italia S.p.A.
Via Plava, 80
10135 Torino
Italia 84581916A
SECTION INDEX
GENERAL
Standard Torque Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1001
Fluids and Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1002
Metric Conversion Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1003
Section Title Section Number
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