Copyright © 2004 CNH France S.A.
Printed in France
Issued May 2004 CNH Bur 6-47541
721D Loader
Service Manual
6-47281
Table of Contents
Description Section No. Form No.
General Tab 1
Section Index - General 6-47550
Standard Torque Specifications 1001 8-71602
Fluids and Lubricants 1002 6-47450
Metric Conversion Chart 1003 7-52950
Loctite Product Chart 6-48640
Engines Tab 2
Section Index - Engines 6-47560
Engine and Radiator Removal and Installation 2000 6-47570
Stall Tests 2002 6-47460
For Engine Repair, See the Engine Service Manual 6-49360
Fuel System Tab 3
Section Index - Fuel System 6-47580
For Fuel System Repair, See the Engine Service Manual
Electrical Tab 4
Section Index - Electrical 6-47590
Removal and Installation of Starter and Alternator 4001 6-47600
Electrical Specifications and Troubleshooting 4002 6-47470
Batteries 4003 6-42330
Information and Diagnostic Center 4005 6-47610
Steering Tab 5
Section Index - Steering 6-47620
Removal and Installation of Steering Components 5001 6-47630
Steering Specifications, Pressure Checks, and Troubleshooting 5002 6-47481
Steering Control Valve 5003 6-47640
Steering Priority Valve 5004 6-42400
Steering Cylinders 5005 6-47650
Center Pivot 5006 6-47661
Auxiliary Steering Motor and Pump 5008 6-42430
Bur 6-47541 Issued 05-04
Power Train Tab 6
Section Index - Power Train 6-47670
Removal and Installation of Power Train Components 6001 6-47680
Transmission Specifications, Pressure Checks, and Troubleshooting 6002 6-47491
Transmission 6003 6-47691
Front Axle 6004 6-47701
Rear Axle 6004 6-47711
Drive Shafts, Center Bearing, and Universal Joints 6005 6-47720
Wheels and Tires 6006 6-47730
Transmission Control Valve 6007 6-42501
Brakes Tab 7
Section Index - Brakes 6-47740
Removal and Installation of Brake Components 7001 6-47750
Hydraulic Brake Troubleshooting 7002 6-47501
Brake Accumulators 7004 6-47761
Parking Brake 7008 6-44970
Hydraulics Tab 8
Section Index - Hydraulics 6-47770
Removal and Installation of Hydraulic Components 8001 6-47780
Hydraulic Specifications, Troubleshooting, and Pressure Checks 8002 6-47511
Cleaning the Hydraulic System 8003 7-49641
Loader Control Valve 8005 6-47800
Cylinders 8006 6-47811
Coupler Solenoid Locking Valve 8007 6-42600
Pilot Pressure Accumulator and Ride Control Accumulator 8013 6-47831
Ride Control Valve 8014 6-44750
721D Loader
Service Manual
6-47281
Table of Contents
Description Section No. Form No.
Bur 6-47541 Issued 05-04
NOTE: CNH reserves the right to make improvements in design or changes in
specifications at any time without incurring any obligation to install them on units
previously sold.
Mounted Equipment Tab 9
Section Index - Mounted Equipment 6-47840
Air Conditioning Troubleshooting and System Checks For Systems with HFC-134a
Refrigerant
9002 6-42650
Air Conditioner System Service 9003 6-47850
Removal and Installation of Air Conditioning Components For Systems with
HFC-134a Refrigerant
9004 6-47860
Loader 9006 6-47870
ROPS Cab and ROPS Canopy 9007 6-47880
Cab Glass Installation 9010 6-42710
Electrical Schematic Foldouts and Hydraulic Schematic Foldout In Rear Pocket 6-47530
721D Loader
Service Manual
6-47281
Table of Contents
Description Section No. Form No.
Copyright © 2004 CNH France S.A.
Printed in France
Issued April 2003 CNH Bur 6-47550
SECTION INDEX
GENERAL
Standard Torque Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1001
Fluids and Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1002
Metric Conversion Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1003
Loctite Product Chart
Section Title Section Number
Section
1001
1001
Copyright © 2004 CNH France S.A.
Printed in France
Issued April 2004 CNH Bur 8-71602
GENERAL TORQUE SPECIFICATIONS
1001-2
Bur 8-71602 Issued 04-03
TABLE OF CONTENTS
TORQUE SPECIFICATIONS - DECIMAL HARDWARE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
TORQUE SPECIFICATIONS - METRIC HARDWARE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
TORQUE SPECIFICATIONS - STEEL HYDRAULIC FITTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
TORQUE SPECIFICATIONS - STEEL HYDRAULIC FITTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1001-3
Bur 8-71602 Issued 04-03
TORQUE SPECIFICATIONS - DECIMAL HARDWARE
Use the torques in this chart when special torques
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
used.
Grade 5 Bolts, Nuts, and Studs
Size
Pound-
Inches
Newton
metres
1/4 inch 108 to 132 12 to 15
5/16 inch 204 to 252 23 to 28
3/8 inch 420 to 504 48 to 57
Size
Pound-
Feet
Newton
metres
7/16 inch 54 to 64 73 to 87
1/2 inch 80 to 96 109 to 130
9/16 inch 110 to 132 149 to 179
5/8 inch 150 to 180 203 to 244
3/4 inch 270 to 324 366 to 439
7/8 inch 400 to 480 542 to 651
1.0 inch 580 to 696 787 to 944
1-1/8 inch 800 to 880 1085 to 1193
1-1/4 inch 1120 to 1240 1519 to 1681
1-3/8 inch 1460 to 1680 1980 to 2278
1-1/2 inch 1940 to 2200 2631 to 2983
Grade 8 Bolts, Nuts, and Studs
Size
Pound-
Inches
Newton
metres
1/4 inch 144 to 180 16 to 20
5/16 inch 288 to 348 33 to 39
3/8 inch 540 to 648 61 to 73
Size
Pound-
Feet
Newton
metres
7/16 inch 70 to 84 95 to 114
1/2 inch 110 to 132 149 to 179
9/16 inch 160 to 192 217 to 260
5/8 inch 220 to 264 298 to 358
3/4 inch 380 to 456 515 to 618
7/8 inch 600 to 720 814 to 976
1.0 inch 900 to 1080 1220 to 1465
1-1/8 inch 1280 to 1440 1736 to 1953
1-1/4 inch 1820 to 2000 2468 to 2712
1-3/8 inch 2380 to 2720 3227 to 3688
1-1/2 inch 3160 to 3560 4285 to 4827
NOTE: Use thick nuts with Grade 8 bolts.
1001-4
Bur 8-71602 Issued 04-03
TORQUE SPECIFICATIONS - METRIC HARDWARE
Use the following torques when specifications are not
given.
These values apply to fasteners with coarse threads
as received from supplier, plated or unplated, or
when lubricated with engine oil. These values do not
apply if graphite or Molydisulfide grease or oil is
used.
Grade 12.9 Bolts, Nuts, and Studs
Usually the torque values specified for grade 10.9
fasteners can be used satisfactorily on grade 12.9
fasteners.
Grade 8.8 Bolts, Nuts, and Studs
Size
Pound-
Inches
Newton
metres
M4 24 to 36 3 to 4
M5 60 to 72 7 to 8
M6 96 to 108 11 to 12
M8 228 to 276 26 to 31
M10 456 to 540 52 to 61
Size
Pound-
Feet
Newton
metres
M12 66 to 79 90 to 107
M14 106 to 127 144 to 172
M16 160 to 200 217 to 271
M20 320 to 380 434 to 515
M24 500 to 600 675 to 815
M30 920 to 1100 1250 to 1500
M36 1600 to 1950 2175 to 2600
8.8
Grade 10.9 Bolts, Nuts, and Studs
Size
Pound-
Inches
Newton
metres
M4 36 to 48 4 to 5
M5 84 to 96 9 to 11
M6 132 to 156 15 to 18
M8 324 to 384 37 to 43
Size
Pound-
Feet
Newton
metres
M10 54 to 64 73 to 87
M12 93 to 112 125 to 150
M14 149 to 179 200 to 245
M16 230 to 280 310 to 380
M20 450 to 540 610 to 730
M24 780 to 940 1050 to 1275
M30 1470 to 1770 2000 to 2400
M36 2580 to 3090 3500 to 4200
10.9
12.9
You're Reading a Preview
What's Included?
Lifetime Access
Fast Download Speeds
Online & Offline Access
Access PDF Contents & Bookmarks
Full Search Facility
Print one or all pages of your manual
$81.99
CASE 721D Wheel Loader Service Repair Manual
Viewed 72 Times Today
What's Included?
Lifetime Access
Fast Download Speeds
Online & Offline Access
Access PDF Contents & Bookmarks
Full Search Facility
Print one or all pages of your manual
$81.99
Secure transaction
What's Included?
Lifetime Access
Fast Download Speeds
Online & Offline Access
Access PDF Contents & Bookmarks
Full Search Facility
Print one or all pages of your manual
Description
The CASE 721D Wheel Loader Service Repair Manual is a comprehensive guide containing detailed information, diagrams, real photo illustrations, and schemes. It provides step-by-step operations for repair, servicing, technical maintenance, and troubleshooting procedures for the machine. This manual is invaluable for both professional mechanics and DIY enthusiasts. The file format is PDF, and it consists of 762 pages with a size of 117Mb. The manual is in English and covers the following sections:
- GENERAL
- ENGINE
- FUEL SYSTEM
- ELECTRICAL
- STEERING
- POWER TRAIN
- BRAKES
- HYDRAULICS
- MOUNTED EQUIPMENT (Without Electrical and Hydraulic schematic)
This manual is a valuable resource for finding and understanding how to repair and maintain the machine without the need for professional service. It offers the convenience of using the Search feature in Acrobat to quickly locate specific information. Whether you need to print out specific pages or the entire manual, this digital format provides flexibility and space savings. For instant access, select the instant download format. For engine repair manuals, please explore our other publications. If you have any questions or specific manual requirements, feel free to contact us. Have a great day!
