Case 721E Service Manual
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Case 721E Service Manual

Wheel loader
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Table of Contents

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General
Section Index - General
Standard Torque Specifications
Fluids and Lubricants
Metric Conversion Chart
Engines
Section Index - Engines
Engine and Radiator Removal and Installation
Stall Tests
After Cooler
For Engine Repair, See the Engine Service Manual
Fuel System
Section Index - Fuel System
For Fuel System Repair, See the Engine Service Manual
Electrical
Section Index - Electrical
Removal and Installation of Starter and Alternator
Electrical Specifications and Troubleshooting
Batteries
Instrument Cluster
Steering
Section Index - Steering
Removal and Installation of Steering Components
Steering Specifications, Pressure Checks, and Troubleshooting
Steering Cylinders
Center Pivot
Auxiliary Steering Motor and Pump
Joystick Steering
CNH America LLC.
700 State Street
Racine, WI 53404 U.S.A.
721E Wheel Loader
Service Manual 84243980
(Replaces 87364099)
Table of Contents
Description
84243981
(Replaces 5-2660)
Section No.
Tab 1
1001
1002
1003
Tab 2
2000
2002
2003
Tab 3
Tab 4
4001
4002
4003
4005
Tab 5
(Replaces 5-2770)
5001
5002
5005
5006
5008
5009
Copyright © 2009 CNH America LLC.
All rights reserved.
Printed in U.S.A.
Revised December 2009 (Issued August 2006)
Form No.
5-2670
8-71603
5-2680
7-52950
5-2690
5-2700
5-2710
6-49850
87519803
5-2720
5-2730
5-2740
5-2750
6-42330
5-2760
84298386
5-2780
5-2790
5-2800
5-2810
6-42430
5-17020

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Summary of Contents for Case 721E

  • Page 1 721E Wheel Loader Service Manual 84243980 (Replaces 87364099) Table of Contents Description Section No. Form No. General Tab 1 Section Index - General 5-2670 Standard Torque Specifications 1001 8-71603 Fluids and Lubricants 1002 5-2680 Metric Conversion Chart 1003 7-52950 Engines...
  • Page 2 721E Wheel Loader Service Manual 84243980 (Replaces 87364099) Table of Contents Description Section No. Form No. Power Train Tab 6 84251801 Section Index - Power Train (Replaces 5-2820) Removal and Installation of Power Train Components 6001 5-2830 Transmission Specifications, Pressure Checks, and Troubleshooting...
  • Page 3 721E Wheel Loader Service Manual 84243980 (Replaces 87364099) Table of Contents Description Section No. Form No. Mounted Equipment Tab 9 Section Index - Mounted Equipment 5-3020 Air Conditioning Troubleshooting and System Checks For Systems with HFC-134a 9002 5-4030 Refrigerant Air Conditioner System Service...
  • Page 4 SECTION INDEX GENERAL Section Title Section Number Standard Torque Specifications............. .1001 Fluids and Lubricants .
  • Page 5 Section 1001 GENERAL TORQUE SPECIFICATIONS Copyright © 2004 CNH America LLC. All rights reserved. CASE, LLC. Printed in U.S.A. 700 State Street Issued April, 2003 Revised July, 2005 Racine, WI 53404 U.S.A. Bur 8-71603...
  • Page 6 1001-2 TABLE OF CONTENTS TORQUE SPECIFICATIONS - DECIMAL HARDWARE ..........3 TORQUE SPECIFICATIONS - METRIC HARDWARE .
  • Page 7 1001-3 TORQUE SPECIFICATIONS - DECIMAL HARDWARE Use the torques in this chart when special torques Grade 8 Bolts, Nuts, and Studs are not given. These torques apply to fasteners with both UNC and UNF threads as received from suppliers dry, or when lubricated with engine oil. Not applicable if special graphities, Molydisulfide greases, or other extreme pressure lubricants are Pound-...
  • Page 8 1001-4 TORQUE SPECIFICATIONS - METRIC HARDWARE Use the following torques when specifications are not Grade 10.9 Bolts, Nuts, and Studs given. These values apply to fasteners with coarse threads as received from supplier, plated or unplated, or 10.9 when lubricated with engine oil. These values do not apply if graphite or Molydisulfide grease or oil is Pound- Newton...
  • Page 9 1001-5 TORQUE SPECIFICATIONS - STEEL HYDRAULIC FITTINGS 37 Degree Flare Fitting Straight Threads with O-ring Tube OD Thread Pound- Newton Tube OD Thread Pound- Newton Hose ID Size Inches metres Hose ID Size Inches metres 1/4 inch 7/16-20 72 to 144 8 to 16 1/4 inch 7/16-20...
  • Page 10 1001-6 TORQUE SPECIFICATIONS - STEEL HYDRAULIC FITTINGS O-ring Boss End O-ring Face Seal End Fitting or Lock Nut Nom. Dash Thread Pound- Newton Thread Pound- Newton Size Tube OD Size Inches metres Size Inches metres 1/4 inch 9/16-18 120 to 144 14 to 16 7/16-20 204 to 240...
  • Page 11 Section 1002 FLUIDS AND LUBRICANTS Copyright © 2006 CNH America LLC. All rights reserved. CNH America LLC. Printed in U.S.A. 700 State Street Issued August, 2006 Racine, WI 53404 U.S.A. Bur 5-2680...

  • Page 12: Table Of Contents

    Model 721E ........

  • Page 13: Capacities And Lubricants

    CAPACITIES AND LUBRICANTS Engine Oil Capacity with Filter Change ..................14.2 liters (15 U.S. quarts) Type of oil ........Case AKCELA No. 1 engine oil - see engine oil recommendations on page 4 Engine Cooling System Capacity........................36.9 liters (9.75 U.S. Gallons) Type of Coolant ....................50% water and 50% Ethylene Glycol...

  • Page 14: Engine Oil Recommendations

    1002-4 ENGINE OIL RECOMMENDATIONS Case AKCELA No. 1 Engine oil is recommended for use in your Case engine. Case AKCELA No. 1 Engine Oil will lubricate your engine correctly under all operating conditions. If Case AKCELA No. 1 Multi-Viscosity Oil is not available, use only oil meeting API engine oil service -4 (preferred) or CG-4.

  • Page 15: Transmission Temperature Chart

    1002-5 TRANSMISSION TEMPERATURE CHART BC04F193 DIESEL FUEL SYSTEM Use No. 2 diesel fuel in the engine of this machine. Fuel Storage The use of other fuels can cause the loss of engine If you keep fuel in storage for a period of time, you power and high fuel consumption.

  • Page 16: Maintenance Schedule

    1002-6 MAINTENANCE SCHEDULE Model 721E FREQUENCY IN HOURS SERVICE SERVICE POINTS INTERVAL Air cleaner Hydraulic Filter Variable Alternator, AC, Drive Belt Periodic Radiator Coolant Level ( * ) Fire extinguisher Tires Every 10 Hours Check Engine Oil Level Check Engine Coolant Level...

  • Page 17: Maintenance Points

    1002-7 MAINTENANCE POINTS Model 721E 12 23 21 15 19 25 24 21 15 17 28 27 BC06F531 See your Operators manual for maintenance of If you operate the machine in severe conditions, safety related items and for detailed information of lubricate and service the machine more frequently.
  • Page 18 1002-8 NOTES Bur 5-2680 Issued 8-06 Printed in U.S.A.
  • Page 19 Section 1003 METRIC CONVERSION CHART Copyright © 2003 CNH Ameica LLC. All rights reserved. CNH America LLC. Printed in U.S.A. 700 State Street Issued April, 2003 Racine, WI 53404 U.S.A. Bur 7-52590...
  • Page 20 1003-2 TABLE OF CONTENTS CONVERSION FACTORS ..............3 Metric to U.S.
  • Page 21 1003-3 CONVERSION FACTORS Metric to U.S. MULTIPLY TO OBTAIN Area: sq. meter 10.763 91 square foot hectare 2.471 05 acre Force: newton 3.596 942 ounce force newton 0.224 809 pound force Length: millimeter 0.039 370 inch meter 3.280 840 foot kilometer 0.621 371 mile...
  • Page 22 1003-4 U.S. to Metric MULTIPLY TO OBTAIN Area: square foot 0.092 903 square meter acre 0.404 686 hectare Force: ounce force 0.278 014 newton pound force 4.448 222 newton Length: inch 25.4 * millimeter foot 0.304 8 * meter mile 1.609 344 * kilometer Mass:...
  • Page 23 Download the full PDF manual instantly. Our customer service e-mail: aservicemanualpdf@yahoo.com...

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