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Case 721E Service Manual
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Case 721E Service Manual

Wheel loader
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721E
Wheel Loader
Service Manual
Part Number
71114022
2
Edition
nd
English 02/2016

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Summary of Contents for Case 721E

  • Page 1 721E Wheel Loader Service Manual Part Number 71114022 Edition English 02/2016...
  • Page 2 SERVICE MANUAL 721E Tier3 XT. [N8AE12517 - ] 721E Tier3 Z-bar Bagage suggar. [N8AE12525 - ] 721E Tier3 Z-bar Fertilizer. [ N8AE12547 - ] 721E Tier3 Z-bar. [N7AE12500 - ] 71114022 15/02/2016 Find manuals at https://best-manuals.com...
  • Page 3 Link Product / Engine Product Market Product Engine 721E Tier3 Z-bar. [N7AE12500 - ] Latin America F4HE9684F*J100 721E Tier3 Z-bar Fertilizer. Latin America F4HE9684F*J100 [ N8AE12547 - ] 721E Tier3 Z-bar Bagage suggar. Latin America F4HE9684F*J100 [N8AE12525 - ] 721E Tier3 XT. [N8AE12517 - ]...
  • Page 4 Contents INTRODUCTION Engine..................10 [10.001] Engine and crankcase ............. 10.1 [10.400] Engine cooling system .
  • Page 5 Wheels ..................44 [44.511] Front wheels............... . 44.1 Cab climate control ..............
  • Page 6 [90.150] Cab ................. 90.1 [90.124] Pneumatically-adjusted operator seat.
  • Page 7 71114022 15/02/2016 Find manuals at https://best-manuals.com...
  • Page 8 INTRODUCTION 71114022 15/02/2016 Find manuals at https://best-manuals.com...

  • Page 9: Table Of Contents

    Contents INTRODUCTION Foreword - Important notice regarding equipment servicing ........3 Foreword - How to use and navigate through this manual .

  • Page 10: Foreword - Important Notice Regarding Equipment Servicing

    In any case, no warranty is given or attributed on the product manufactured or marketed by the manufacturer in case of damages caused by parts and/or components not approved by the manufacturer.

  • Page 11: Foreword - How To Use And Navigate Through This Manual

    INTRODUCTION Foreword - How to use and navigate through this manual This manual has been produced by a new technical information system. This new system is designed to deliver technical information electronically through web delivery (eTIM), DVD, and paper manuals. A coding system called SAP has been developed to link the technical information to other Product Support functions, e.g., Warranty.
  • Page 12 INTRODUCTION Manual content This manual is divided into Sections. Each Section is then divided into Chapters. Contents pages are included at the beginning of the manual, then inside every Section and inside every Chapter. An alphabetical Index is included at the end of each Chapter.
  • Page 13 INTRODUCTION 61 - Metering system 62 - Pressing - Bale formation 63 - Chemical applicators 64 - Chopping 66 - Threshing 68 - Tying/Wrapping/Twisting 69 - Bale wagons 70 - Ejection 71 - Lubrication system X X X X X 72 - Separation 73 - Residue handling 74 - Cleaning...
  • Page 14 INTRODUCTION Chapters Each Chapter is identified by a number e.g. Engine - Engine and crankcase - 10.001. The first number is identical to the Section number i.e. Chapter 10.001 is inside Section 10, Engine. The second number is representative of the Chapter contained within the Section.
  • Page 15 • (A) corresponds to the sections of the service manual. (B) corresponds to the chapters of the service manual. After (B) there may be some additional information. In this case it shows “.01”, which represents the “Front” block cover. These options may be front/rear, left/right, hydraulic/ mechanical etc.

  • Page 16: Safety Rules - Ecology And The Environment

    Improper disposal of batteries can contaminate the soil, groundwater, and waterways. CASE CONSTRUCTION strongly recommends that you return all used batteries to a CASE CONSTRUCTION dealer, who will dispose of the used batteries or recycle the used batteries properly.

  • Page 17: Safety Rules

    INTRODUCTION Safety rules Personal safety This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible death or injury. Throughout this manual and on machine safety signs, you will find the signal words DANGER, WARNING, and CAU- TION followed by special instructions.

  • Page 18: Basic Instructions - Shop And Assembly

    Only use CNH Original Parts or CASE CONSTRUCTION Original Parts. Only genuine spare parts guarantee the same quality, duration, and safety as original parts, as they are the same parts that are assembled during standard production. Only CNH Original Parts or CASE CONSTRUCTION Original Parts can offer this guarantee.
  • Page 19 W0111A Special tools The special tools that CASE CONSTRUCTION suggests and illustrate in this manual have been specifically re- searched and designed for use with CASE CONSTRUCTION machines. The special tools are essential for reliable repair operations. The special tools are accurately built and rigorously tested to offer efficient and long-lasting oper- ation.

  • Page 20: Torque - Minimum Tightening Torques For Normal Assembly

    INTRODUCTION Torque - Minimum tightening torques for normal assembly METRIC NON-FLANGED HARDWARE NOM. LOCKNUT LOCKNUT SIZE CL.8 CL.10 CLASS 8.8 BOLT and CLASS 10.9 BOLT and W/CL8.8 W/CL10.9 CLASS 8 NUT CLASS 10 NUT BOLT BOLT PLATED PLATED UNPLATED UNPLATED W/ZnCr W/ZnCr 2.2 N·m (19 lb...
  • Page 21 INTRODUCTION METRIC FLANGED HARDWARE NOM. CLASS 8.8 BOLT and CLASS 10.9 BOLT and LOCKNUT LOCKNUT SIZE CLASS 8 NUT CLASS 10 NUT CL.8 CL.10 W/CL8.8 W/CL10.9 BOLT BOLT PLATED PLATED UNPLATED UNPLATED W/ZnCr W/ZnCr 2.4 N·m (21 lb 3.2 N·m (28 lb 3.5 N·m (31 lb 4.6 N·m (41 lb 2.2 N·m (19 lb...
  • Page 22 INTRODUCTION 1. Manufacturer's Identification 2. Property Class 3. Clock Marking of Property Class and Manufacturer's Identification (Optional), i.e. marks 60 ° apart indicate Class 10 properties, and marks 120 ° apart indicate Class 8. INCH NON-FLANGED HARDWARE LOCKNUT LOCKNUT NOMINAL SAE GRADE 5 BOLT SAE GRADE 8 BOLT GrB W/ Gr5...
  • Page 23 INTRODUCTION INCH FLANGED HARDWARE NOM- LOCKNUT LOCKNUT SAE GRADE 5 BOLT and SAE GRADE 8 BOLT and INAL GrF W/ Gr5 GrG W/ Gr8 SIZE BOLT BOLT UNPLATED PLATED UNPLATED PLATED or PLATED W/ZnCr or PLATED W/ZnCr SILVER GOLD SILVER GOLD 12 N·m (106 lb 13 N·m (115 lb...
  • Page 24 INTRODUCTION Inch Lock Nuts, All Metal (Three optional methods) 20090268 Grade Identification Grade Corner Marking Method (1) Flats Marking Method (2) Clock Marking Method (3) Grade A No Notches No Mark No Marks Grade B One Circumferential Notch Letter B Three Marks Grade C Two Circumferential Notches...

  • Page 25: Torque - Standard Torque Data For Hydraulics

    INTRODUCTION Torque - Standard torque data for hydraulics Installation of adjustable fittings in straight thread O-ring bosses 1. Lubricate the O-ring by coating it with a light oil or petroleum. Install the O-ring in the groove adjacent to the metal backup washer which is assembled at the extreme end of the groove (4).
  • Page 26 INTRODUCTION Pipe thread fitting torque Thread size Torque (maximum) 1/8-27 13 N·m (10 lb ft) Before installing and tightening pipe fittings, clean the 1/4-18 16 N·m (12 lb ft) threads with a clean solvent or Loctite cleaner and apply 3/8-18 22 N·m (16 lb ft) sealant L ®...
  • Page 27 INTRODUCTION 71114022 15/02/2016...
  • Page 28 SERVICE MANUAL Engine 721E Tier3 XT. [N8AE12517 - ] 721E Tier3 Z-bar Bagage suggar. [N8AE12525 - ] 721E Tier3 Z-bar Fertilizer. [ N8AE12547 - ] 721E Tier3 Z-bar. [N7AE12500 - ] 71114022 15/02/2016...
  • Page 29 Contents Engine - 10 [10.001] Engine and crankcase ............. . . 10.1 [10.400] Engine cooling system .
  • Page 30 Engine - 10 Engine and crankcase - 001 721E Tier3 XT. [N8AE12517 - ] 721E Tier3 Z-bar Bagage suggar. [N8AE12525 - ] 721E Tier3 Z-bar Fertilizer. [ N8AE12547 - ] 721E Tier3 Z-bar. [N7AE12500 - ] 71114022 15/02/2016 10.1 [10.001] / 1...
  • Page 31 Contents Engine - 10 Engine and crankcase - 001 TECHNICAL DATA Engine Speeds (*) ................3 (*) See content for specific models 71114022 15/02/2016 10.1 [10.001] / 2...
  • Page 32 Engine - Engine and crankcase Engine - Speeds 721E 1021F \ 1121F Machine idled (alternate low idle) 570 - 630 rpm Machine idled (cold weather alternate accelerated low idle) 1170 - 1230 rpm 71114022 15/02/2016 10.1 [10.001] / 3...
  • Page 33 Index Engine - 10 Engine and crankcase - 001 Engine - Speeds (*) ..............(*) See content for specific models 71114022 15/02/2016 10.1 [10.001] / 4...
  • Page 34 Engine - 10 Engine cooling system - 400 721E Tier3 XT. [N8AE12517 - ] 721E Tier3 Z-bar Bagage suggar. [N8AE12525 - ] 721E Tier3 Z-bar Fertilizer. [ N8AE12547 - ] 721E Tier3 Z-bar. [N7AE12500 - ] 71114022 15/02/2016 10.2 [10.400] / 1...
  • Page 35 Contents Engine - 10 Engine cooling system - 400 SERVICE Radiator Remove (*) ................3 (*) See content for specific models 71114022 15/02/2016 10.2 [10.400] / 2...
  • Page 36 Engine - Engine cooling system Radiator - Remove 721E 1. Park the machine on a level surface. Lower the bucket to the ground. Apply parking brake and shut down en- gine. 2. Place the linkage lock in the "LOCKED" position.
  • Page 37 Engine - Engine cooling system 5. Remove the two bolts and the fastening washers from the fender on the left-hand side. Remove the left-hand fender. LAIL11WL0947A0A LAIL11WL0948A0A 6. Place a container with a 45.0 L (11.9 US gal) capac- ity under the radiator drain. Remove the radiator cap. Then remove the drain plug and drain the coolant into the container.
  • Page 38 Engine - Engine cooling system 8. Support the fuel cooler (5). Remove the two bolts (6) and the washers. Remove the fuel cooler. LAIL11CW1069A0A 9. If the loader is equipped with air conditioning, unlock the latch that secures the air conditioning condenser, located on the top of the frame of the cooling system.
  • Page 39 Engine - Engine cooling system 12. Remove the two bolts (13) and the lock washers lo- cated on both sides of the radiator. Remove the bolt (14). Install a lifting eye. LAIL11CW1071A0A 13. Install the lifting equipment on the lifting eyes. Elimi- nate any slack present in the straps of the lifting equip- ment.
  • Page 40 Index Engine - 10 Engine cooling system - 400 Radiator - Remove (*) ..............(*) See content for specific models 71114022 15/02/2016 10.2 [10.400] / 7...
  • Page 41 71114022 15/02/2016 10.2 [10.400] / 8...
  • Page 42 Engine - 10 Aftercooler - 310 721E Tier3 XT. [N8AE12517 - ] 721E Tier3 Z-bar Bagage suggar. [N8AE12525 - ] 721E Tier3 Z-bar Fertilizer. [ N8AE12547 - ] 721E Tier3 Z-bar. [N7AE12500 - ] 71114022 15/02/2016 10.3 [10.310] / 1...
  • Page 43 Contents Engine - 10 Aftercooler - 310 SERVICE Aftercooler Remove (*) ................3 Install (*) .
  • Page 44 Engine - Aftercooler Aftercooler - Remove 721E WARNING Heavy objects! Lift and handle all heavy components using lifting equipment with adequate capacity. Always support units or parts with suitable slings or hooks. Make sure the work area is clear of all bystanders.
  • Page 45 Engine - Aftercooler 3. On the underside of hood, remove bolts (1) from ex- haust stack, then remove plate (2). 4. Remove exhaust stack (3). RAPH12WEL0194AA 5. Double up a nylon lifting strap. From the topside, slide looped strap through the hood exhaust opening. RAPH12WEL0170AA 6.
  • Page 46 Engine - Aftercooler 7. Remove cotter pin and pin from the lift cylinder. Turn electrical master switch back on and run lift cylinder up. Once cylinder is retracted, return the electrical master switch back to the OFF position. RAPH12WEL0191AA 8. Remove the hood bracket bolts and move hood away from back plate, allowing enough clearance to reach air cooler unit front bolts.
  • Page 47 Engine - Aftercooler 10. Loosen the clamp at the elbow-turbocharger connec- tion end. Remove tube and plug turbocharger. RAPH12WEL0206AA Intake port tube removal 11. Loosen top right side clamps of the air cooler intake hose. Slide hose back far enough to clear air cooler tube.
  • Page 48 Engine - Aftercooler Screen cover removal 13. Unlatch the rubber T-handle from the screen cover. NOTE: Screen cover may be different from what is shown. RAPH12WEL0190AA 14. Lift screen cover part way. Pull cotter pin and washer from screen tab and locking bar prop. RAPH12WEL0189AA 71114022 15/02/2016 10.3 [10.310] / 7...
  • Page 49 Engine - Aftercooler 15. Open screen cover completely and remove the bolts. Lift and remove cover. NOTE: Always use proper lifting devices. RAPH12WEL0181AA air cooler unit removal NOTE: For Commodity King, include instruction 16. For Standard 721F omit instruction 16 and go to instruction 17. Commodity king only 16.
  • Page 50 Engine - Aftercooler 17. With a sharp cutting tool, make a slice in the gasket (arrowed) near the shoulder bolt. RAPH12WEL0177AA 18. Remove shoulder bolt, washers and nut (1) from air conditioner condenser unit (2). RAPH12WEL0221AA 19. Lift air conditioner condenser up and angle toward the back of the cab.
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