Case 521F Tier 4 Wheel Loader Service Manual 47462778 – PDF DOWNLOAD
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Case 521F Tier 4 Wheel Loader Service Manual 47462778 – PDF DOWNLOAD
INTRODUCTION :
Foreword – Ecology and the environment :
Soil, air, and water are vital factors of agriculture and life in general. When legislation does not yet rule the treatment
of some of the substances required by advanced technology, sound judgment should govern the use and disposal of
products of a chemical and petrochemical nature.
NOTE: The following are recommendations that may be of assistance:
• Become acquainted with and ensure that you understand the relative legislation applicable to your country.
• Where no legislation exists, obtain information from suppliers of oils, filters, batteries, fuels, antifreeze, cleaning
agents, etc., with regard to their effect on man and nature and how to safely store, use, and dispose of these
substances.
• Agricultural consultants will, in many cases, be able to help you as well.
Helpful hints:
• Avoid filling tanks using cans or inappropriate pressurized fuel delivery systems that may cause considerable
spillage.
• In general, avoid skin contact with all fuels, oils, acids, solvents, etc. Most of them contain substances that may be
harmful to your health.
• Modern oils contain additives. Do not burn contaminated fuels and or waste oils in ordinary heating systems.
• Avoid spillage when draining off used engine coolant mixtures, engine, gearbox and hydraulic oils, brake fluids, etc.
Do not mix drained brake fluids or fuels with lubricants. Store them safely until they can be disposed of in a proper
way to comply with local legislation and available resources.
• Modern coolant mixtures, i.e. antifreeze and other additives, should be replaced every two years. They should not
be allowed to get into the soil, but should be collected and disposed of properly.
• Do not open the air-conditioning system yourself. It contains gases that should not be released into the atmosphere.
Your CASE CONSTRUCTION dealer or air conditioning specialist has a special extractor for this purpose and will
have to recharge the system properly.
• Repair any leaks or defects in the engine cooling or hydraulic system immediately.
• Do not increase the pressure in a pressurized circuit as this may lead to a component failure.
• Protect hoses during welding as penetrating weld splatter may burn a hole or weaken them, allowing the loss of
oils, coolant, etc.
TABLE OF CONTENTS:
Case 521F Tier 4 Wheel Loader Service Manual 47462778 – PDF DOWNLOAD
INTRODUCTION
Engine 10
[10 001] Engine and crankcase 10 1
[10 310] Aftercooler 10 2
[10 400] Engine cooling system 10 3
[10 414] Fan and drive 10 4
[10 500] Selective Catalytic Reduction (SCR) exhaust treatment 10 5
Transmission 21
[21 113] Powershift transmission 21 1
[21 135] Powershift transmission external controls 21 2
[21 145] Gearbox internal components 21 3
[21 155] Powershift transmission internal components 21 4
Four-Wheel Drive (4WD) system 23
[23 314] Drive shaft 23 1
Front axle system 25
[25 100] Powered front axle 25 1
[25 102] Front bevel gear set and differential 25 2
[25 310] Final drives 25 3
Rear axle system 27
[27 100] Powered rear axle 27 1
[27 106] Rear bevel gear set and differential 27 2
[27 120] Planetary and final drives 27 3
Brakes and controls 33
[33 110] Parking brake or parking lock 33 1
[33 202] Hydraulic service brakes 33 2
Hydraulic systems 35
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[35 000] Hydraulic systems 35 1
[35 106] Variable displacement pump 35 2
[35 300] Reservoir, cooler, and filters 35 3
[35 357] Pilot system 35 4
[35 359] Main control valve 35 5
[35 701] Front loader arm hydraulic system 35 6
[35 752] Hydraulic fan drive cooling system 35 7
Frames and ballasting 39
[39 100] Frame 39 1
41 – Steering 41
[41 200] Hydraulic control components 41 1
[41 216] Cylinders 41 2
[41 910] Auxiliary steering 41 3
Cab climate control 50
[50 100] Heating 50 1
[50 200] Air conditioning 50 2
Electrical systems 55
[55 000] Electrical system 55 1
[55 011] Fuel tank system 55 2
[55 012] Engine cooling system 55 3
[55 015] Engine control system 55 4
[55 030] Service brake electrical system 55 5
[55 031] Parking brake electrical system 55 6
[55 036] Hydraulic system control 55 7
[55 047] Steering control system 55 8
[55 050] Heating, Ventilation, and Air-Conditioning (HVAC) control system 55 9
[55 051] Cab Heating, Ventilation, and Air-Conditioning (HVAC) controls 55 10
[55 100] Harnesses and connectors 55 11
[55 201] Engine starting system 55 12
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[55 202] Cold start aid 55 13
[55 301] Alternator 55 14
[55 302] Battery 55 15
[55 404] External lighting 55 16
[55 405] External lighting switches and relays 55 17
[55 408] Warning indicators, alarms, and instruments 55 18
[55 415] Loader arm and bucket control system 55 19
[55 510] Cab/Platform harnesses and connectors 55 20
[55 512] Cab controls 55 21
[55 514] Cab lighting 55 22
[55 518] Wiper/Washer system 55 23
[55 519] Cab brake controls 55 24
[55 524] Cab controls (Lift arm, Boom, Dipper, Bucket) 55 25
[55 988] Selective Catalytic Reduction (SCR) electrical system 55 26
[55 DTC] FAULT CODES 55 27
Platform, cab, bodywork, and decals 90
[90 124] Pneumatically-adjusted operator seat 90 1
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