Case 521F Service Manual
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Case 521F Service Manual

Wheel loader
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521F
TIER IV
Wheel Loader
Service Manual
Print No. 84581916A

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Summary of Contents for Case 521F

  • Page 1 521F TIER IV Wheel Loader Service Manual Print No. 84581916A...
  • Page 2 521F Loader 84581916A Use for Repair Manual Find manuals at https://best-manuals.com...
  • Page 3 Find manuals at https://best-manuals.com...
  • Page 4 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...
  • Page 5 521F Wheel Loader Repair Manual 84581916A Table of Contents Description Section No. 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...
  • Page 6 521F Wheel Loader Repair Manual 84581916A Table of Contents Description Section No. 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...
  • Page 7 Find manuals at https://best-manuals.com...
  • Page 8 SECTION INDEX GENERAL Section Title Section Number Standard Torque Specifications .............1001 Fluids and Lubricants .
  • Page 9 Find manuals at https://best-manuals.com...
  • Page 10 Section 1001 GENERAL TORQUE SPECIFICATIONS Copyright © 2012 CNH Italia S.p.A. CNH Italia S.p.A. All rights reserved. Via Plava, 80 Printed in E.C. 10135 Torino Issued March, 2012 84581916A Italia Find manuals at https://best-manuals.com...
  • Page 11 1001-2 TABLE OF CONTENTS TORQUE SPECIFICATIONS - DECIMAL HARDWARE ..........3 TORQUE SPECIFICATIONS - METRIC HARDWARE .
  • Page 12 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 13 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 14 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 15 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 16 Section 1002 FLUIDS AND LUBRICANTS Copyright © 2012 CNH Italia S.p.A. CNH Italia S.p.A. All rights reserved. Via Plava, 80 Printed in E.C. 10135 Torino Issued March, 2012 84581916A Italia...

  • Page 17: Table Of Contents

    1002-2 TABLE OF CONTENTS CAPACITIES AND LUBRICANTS ............. 3 ENGINE OIL RECOMMENDATIONS .

  • Page 18: Capacities And Lubricants

    Machines are shipped from the factory with break-in oil. Brake System ® Type of Fluid (Same as Hydraulic System) ............Case AKCELA Hy-Tran Ultra Grease Fittings Grease fittings as required by maintenance schedule ..........Case AKCELA Molydisulfide...

  • Page 19: 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 category CI-4.

  • Page 20: Tranmission Temperature Chart

    1002-5 TRANMISSION TEMPERATURE CHART BC4F193 HYDRAULIC/BRAKE SYSTEM TEMPERATURE CHART BC4F192 84581916A Issued 3-12 Printed in E.C.

  • Page 21: Diesel Fuel System

    1002-6 DIESEL FUEL SYSTEM Fuel Storage Use No. 2 diesel fuel in the engine of this machine. 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 22: What Is Selective Catalytic Reduction (Scr)

    1002-7 What is selective Catalytic Reduction (SCR) The main components of the SCR system include the Keep container tightly closed. ● SCR catalyst, the Diesel Exhaust Fluid (DEF)/ Keep container in a cool, well-ventilated area. ● AdBlue® injection unit, the DEF/AdBlue® tank, and the DEF/AdBlue®...
  • Page 23 1002-8 NOTE: The main factors taken into account to define Disposal the shelf life in the previous figures are the ambient Diesel Exhaust Fluid storage temperature initial alkalinity DEF/AdBlue®. difference evaporation International Organization for between vented and non-vented storage containers Standardization is an additional factor.

  • Page 24: Selective Catalytic Reduction (Scr) - Basic Instruction

    1002-9 SELECTIVE CATALYTIC REDUCTION (SCR) - BASIC INSTRUCTIONS Requirements Diesel Exhaust Fluid (DEF)/AdBlue® consumption T h e o p e r a t o r m u s t m a i n t a i n a p p r o p r i a t e NOTE: DEF/AdBlue®...

  • Page 25: Maintenance Schedule

    1002-10 MAINTENANCE SCHEDULE Model 521F FREQUENCY IN HOURS SERVICE SERVICE POINTS INTERVAL Air cleaner Bleed Fuel Filter of Condensation Hydraulic Filter Variable Periodic Alternator, AC, Drive Belt ( * ) Radiator Coolant Level Fire extinguisher Tires Every 10 Hours Check Engine Oil Level...

  • Page 26: Maintenance Points

    1002-11 MAINTENANCE POINTS Model 521F 12 22 20 16 18 29 28 BS08B289 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 27 1002-12 NOTES: 84581916A Issued 3-12 Printed in E.C.
  • Page 28 Section 1003 METRIC CONVERSION CHART Copyright © 2012 CNH Italia S.p.A. CNH Italia S.p.A. All rights reserved. Via Plava, 80 Printed in E.C. 10135 Torino Issued March, 2012 84581916A Italia...
  • Page 29 1003-2 TABLE OF CONTENTS CONVERSION FACTORS ..............3 Metric to U.S.
  • Page 30 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 31 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 32 SECTION INDEX ENGINES Section Title Section Number Engine and Radiator Removal and Installation ..........2000 Stall Tests .
  • Page 34 Section 2000 ENGINE AND RADIATOR REMOVAL AND INSTALLATION Copyright © 2012 CNH Italia S.p.A. CNH Italia S.p.A. All rights reserved. Via Plava, 80 Printed in E.C. 10135 Torino Issued March, 2012 84581916A Italia...
  • Page 35 2000-2 TABLE OF CONTENTS Engine ................. . 3 Removal .
  • Page 36 2000-3 ENGINE Removal STEP 1 W110R381 STEP 5 BD03A040 Park machine on a level surface and lower bucket to ground. Put articulation lock in LOCKED position. STEP 2 Stop engine. Actuate brake pedal several times to discharge brake accumulators. Put key switch in ON position and move loader control lever back and forth at least 30 times to release any pressure from hydraulic circuit.
  • Page 37 2000-4 STEP 7 STEP 9 BD02N160 BD07N564-01 Put a container capable of holding at least 22.7 liter (6.0 Place a solid steel bar through the strap, raise the gallon) below radiator drain. Remove radiator cap (4). hood and release tension on the lifting motor. Remove cap and drain coolant into container.
  • Page 38 2000-5 STEP 12 STEP 15 W110R385 W110R386 Tag and disconnect hood wiring harness connector Tag and disconnect engine wiring harness connector and backup alarm connector from rear chassis wiring from air filter restriction switch. harness connector. STEP 16 STEP 13 BD07N569-01 Loosen clamp on air cleaner intake hose and remove BD07N567-01...
  • Page 39 2000-6 STEP 18 STEP 21 BD07N570-01 W110R388 Loosen the clamp on the intake manifold for the after Remove the air cleaner by removing the four bolts. cooler output hose. STEP 19 STEP 22 W110R389 W110R391 Loosen the clamp on the turbocharger for the after Loosen the clamp on the after cooler and remove the cooler inlet hose.
  • Page 40 2000-7 STEP 24 W110R393 Disconnect the electrical connector (3) from exhaust sensor (1) before the SCR catalist (2). STEP 25 W110R394 Disconnect the electrical connector (1) from exhaust temperature sensor (2) after the SCR catalist. Tag and disconnect two hoses from Dosing Unit Injector (3) and disconnect electrical connector (4).
  • Page 41 2000-8 STEP 27 STEP 28 Loosen two bolt clamp muffler (6) from brackets Remove the four mounting bolts 17-15 - two on each (5-20). Remove eight mounting bolts (10) from side and remove the support muffler left and right brackets (4) on left side and right side (4 on each (1-2).
  • Page 42 2000-9 11 12 9 10 9 W110R397 STEP 29 STEP 30 W230R423 W230R424 Remove from the bottom on Electronic Control Unit Remove from the rear on Electronic Control Unit DENOX Urea supply the electrical connections. DENOX Urea supply the wiring harness. 84581916A Issued 3-12 Printed in E.C.
  • Page 43 2000-10 STEP 31 STEP 33 BD07N577-01 BD07N600-01 Loosen clamps and remove lower cooler hose from the engine. STEP 34 BD07N573-01 Remove the four mounting bolts from the belt cover, remove the cover. Disconnect the master switch wiring. BD07N579-01 NOTE: After removing the belt cover remove the cover mounting brackets from the machine frame.
  • Page 44 2000-11 STEP 35 STEP 37 BD07N575-01 BD07N581-01 Tag and disconnect the wiring from the alternator. Tag and remove the wires from the starter solenoid (2), remove the ground cable and ground strap (3) STEP 36 from the starter. Then remove the two mounting bolts (1).
  • Page 45 2000-12 STEP 39 STEP 40 BD07N596-01 BD07N585-01 Tag and remove the grid heater cable. STEP 41 BD07N583-01 BD07N586-01 Disconnect the wiring harness from the EDC 7 controller. NOTE: Lifting up on the lever will release the connector from the controller. STEP 42 BD07N584-01 Remove the radiator hose (1) from the rear of the...
  • Page 46 2000-13 STEP 43 STEP 46 BD07N598-01 BD03A172 Tag and disconnect the fuel filter heater wires (1), Remove the drive shaft bolts from the flywheel. Move disconnect the fuel line (2) from the fuel filter head, the drive shaft clear of the flywheel. plug the line and cap the fitting.
  • Page 47 2000-14 Installation W110R468 ENGINE INSTALLATION 1. ENGINE MOUNT BOLT, 3. INSOLATOR UPPER 5. WASHER 7. NUT 9. OIL FILL TUBE 244-298 NM (182-220 LB-FT) 2. WASHER 4. INSOLATOR LOWER 6. WASHER 8. REMOTE OIL DRAIN HOSE STEP 49 STEP 50 Slowly raise engine and move into position over rear If engine rubber isolators require replacement, chassis.
  • Page 48 2000-15 STEP 51 STEP 56 Tighten engine mounting bolts to a torque of 244 to 298 Nm (180 to 220 lb-ft). STEP 52 Disconnect lifting equipment from engine lifting brackets. STEP 53 Connect engine oil drain hose to frame bracket. STEP 54 BD07N588-01 Connect and turn on vacuum pump to the hydraulic...
  • Page 49 2000-16 STEP 59 BD07N583-01 BD07N586-01 Connect wiring harness to EDC 7 controller. NOTE: Start the connector on the EDC 7 with lever straight out from EDC 7. Use lever to pull connector into position. STEP 60 BD07N584-01 Install the heater hose (2) to the rear of the engine, mount the clamps (3), install the radiator hose (1).
  • Page 50 2000-17 STEP 63 STEP 65 BD07N581-01 BD07N575-01 Connect the wiring to the alternator. Remove and discard tags. STEP 66 BS08A030 Install the wires (2) to the starter solenoid, install the ground cable and ground strap (3), to the starter. Torque starter mounting nuts (1) to 40 to 50 Nm (29 BD07N579-01 to 37 pound-feet).
  • Page 51 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

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