Case Wheel Loader 621F 721F Tier 4 final Service Manual 84605841 – PDF DOWNLOAD

Description

Case Wheel Loader 621F 721F Tier 4 final Service Manual

FILE DETAILS:

Case Wheel Loader 621F 721F Tier 4 final Service Manual

Size : 157 MB
Format : PDF
Language : English
Brand: Case
Type of machine: Case Wheel Loader
Type of document: Service Manual
Model: Case Wheel Loader 621F 721F Tier 4 (final)
Part No:84605841

DESCRIPTION:

Case Wheel Loader 621F 721F Tier 4 final Service Manual

• CASE AKCELA HY-TRAN® ULTRA™ HYDRAULIC TRANSMISSION OIL is specifically designed for high pressure applications and for Case hydraulic systems. Your Case Dealer can provide hydraulic fluid to fulfill different climate/temperature conditions. Refer to the charts at the beginning of this section. Transmission Component Oil Extreme pressure oil should be used for enclosed transmission components.
• Choose an oil that is manufactured for your climate/temperature conditions such as CASE AKCELA NEXPLORE™ FLUID. See charts at the beginning of this section. Grease The type of grease to use depends on ambient temperature such as: CASE AKCELA MOLY GREASE. Environment Before servicing machine and disposing oil, fluids, and lubricants, follow all environmental regulations.
• Do not drain oil or fluids on to the ground or into containers that leak. Check with your local environmental recycling center or your dealer for correct disposal information. Engine Oil CASE AKCELA ENGINE OIL 15W-40 is recommended for your engine. This oil insures correct lubrication of your engine in all working conditions. See charts at the beginning of this section to choose the correct oil for climate/temperatures.
• If CASE AKCELA ENGINE OIL 15W-40 cannot be obtained, use only oil of the API SERVICE CI-4 category. NOTE: Do not put any Performance Additive or other additive in the sump. Oil change intervals shown in this manual are based on tests carried out utilizing Case lubricants.
• Using biodiesel fuels may require changing engine oil, engine oil filters, and fuel filter elements more frequently. Biodiesel fuels can remove rust and other particles that adhere to the inside of the fuel tank. These particles are trapped by vehicle filters and may cause shortened filter life or filter blockages. Blockages are more common in cold weather conditions.
• Consult your dealer for information on cold weather operation and proper maintenance intervals when using any biodiesel fuel blend. Biodiesel fuel may degrade natural rubber gaskets and hoses, as it is more solvent than petro-diesel. Frequently inspect hoses and other engine components when using biodiesel fuel. DO NOT allow water to collect in the fuel or storage tanks. Biodiesel fuel attracts moisture from the atmosphere. Keep fuel tanks and storage tanks as full as possible to limit the amount of air and water vapors. It may be necessary to drain machine fuel filter more frequently. Potential oxidation and stability could create a problem with fuel stored in the machine.

CASE WHEEL LOADER 621F 721F TIER 4 FINAL SERVICE MANUAL 84605841 – PDF DOWNLOAD:

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TABLE OF CONTENTS:

Case Wheel Loader 621F 721F Tier 4 final Service Manual

INTRODUCTION
Engine 10
Engine and crankcase 10 001
Air cleaners and lines 10 202
Engine lubrication system 10 304
Aftercooler 10 310
Engine cooling system 10 400
Fan and drive 10 414
Selective Catalytic Reduction (SCR) exhaust treatment 10 500
Engine generic sub-group 10 AAA
Transmission 21
Powershift transmission 21 113
Powershift transmission external controls 21 135
Powershift transmission internal components 21 155
Four-Wheel Drive (4WD) system 23
Drive shaft 23 314
Front axle system 25
Powered front axle 25 100
Front bevel gear set and differential 25 102
Final drive hub, steering knuckles, and shafts 25 108
Rear axle system 27
Powered rear axle 27 100
Rear bevel gear set and differential 27 106
Planetary and final drives 27 120
Brakes and controls 33
Hydraulic service brakes 33 202
Hydraulic systems 35
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Hydraulic systems 35 000
Variable displacement pump 35 106
Pilot system 35 357
Main control valve 35 359
Auxiliary hydraulic valves and lines 35 525
Front loader arm hydraulic system 35 701
Steering 41
Auxiliary steering 41 910
Wheels 44
Front wheels 44 511
Cab climate control 50
Air conditioning 50 200
Electrical systems 55
Electrical system 55 000
Fuel tank system 55 011
Engine cooling system 55 012
Engine control system 55 015
Service brake electrical system 55 030
Parking brake electrical system 55 031
Hydraulic system control 55 036
Steering control system 55 047
Heating, Ventilation, and Air-Conditioning (HVAC) control system 55 050
Cab Heating, Ventilation, and Air-Conditioning (HVAC) controls 55 051
Harnesses and connectors 55 100
Engine starting system 55 201
Cold start aid 55 202
Alternator 55 301
Battery 55 302
External lighting 55 404
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External lighting switches and relays 55 405
Warning indicators, alarms, and instruments 55 408
Loader arm and bucket control system 55 415
Cab/Platform harnesses and connectors 55 510
Cab controls 55 512
Cab lighting 55 514
Wiper/Washer system 55 518
Cab brake controls 55 519
Cab controls (Lift arm, Boom, Dipper, Bucket) 55 524
Selective Catalytic Reduction (SCR) electrical system 55 988
FAULT CODES 55 DTC
Platform, cab, bodywork, and decals 90
Pneumatically-adjusted operator seat 90 124
Cab

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