Quality Manual
INTRODUCTION
Engine…………………………………………………………………………… 10
[10.001] Engine and crankcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.1
[10.202] Air cleaners and lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . 10.2
[10.500] Selective Catalytic Reduction (SCR) exhaust treatment . . . . . . . . . . . . . 10.3
[10.400] Engine cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.4
[10.414] Fan and drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.5
[10.310] Aftercooler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.6
[10.304] Engine lubrication system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.7
Transmission…………………………………………………………………… 21
[21.113] Powershift transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.1
[21.135] Powershift transmission external controls. . . . . . . . . . . . . . . . . . . . . . . . . . 21.2
[21.155] Powershift transmission internal components. . . . . . . . . . . . . . . . . . . . . . . 21.3
[21.700] Torque converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . 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
[25.108] Final drive hub, steering knuckles, and shafts . . . . . . . . . . . . . . . . . 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
[33.202] Hydraulic service brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.1
[33.110] Parking brake or parking lock . . . . . . . . . . . . . . . .. . . . . . . 33.2
Hydraulic systems…………………………………………………………….. 35
[35.000] Hydraulic systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.1
[35.300] Reservoir, cooler, and filters. . . . . . . . . . . . . . . . . . . . . . . . . . . 35.2
[35.106] Variable displacement pump . . . . . . . . . . . . . . . . . . . . .. . . . . . . . 35.3
[35.357] Pilot system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . 35.4
[35.752] Hydraulic fan drive cooling system. . . . . . . . . . . . . . . . . . . . . . . . . . 35.5
[35.355] Hydraulic hand control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.6
[35.724] Front loader hydraulic system control . . . . . . . . . . . . . . . . . . . . . . . 35.7
[35.701] Front loader arm hydraulic system . . . . . . . . . . . . . . . . . .. . . . . . . . . . . 35.8
[35.723] Front loader bucket hydraulic system . . . . . . . . . . . . . . . . . . 35.9
[35.734] Tool quick coupler hydraulic system . . . . . . . . . . . . . . . . . . . 35.10
Frames and ballasting ……………………………………………………….. 39
[39.100] Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39.1
Steering…………………………………………………………………………. 41
[41.101] Steering control . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . 41.1
[41.200] Hydraulic control components. . . . . . . . . . . . . . . . . . . . . . . . . . 41.2
[41.216] Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41.3
[41.910] Auxiliary steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41.4
Wheels………………………………………………………………………….. 44
[44.511] Front wheels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44.1
[44.520] Rear wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44.2
Cab climate control …………………………………………………………… 50
[50.200] Air conditioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.1
Electrical systems …………………………………………………………….. 55
[55.100] Harnesses and connectors. . . . . . . . . . . . . . . . . . . . . . 55.1
[55.301] Alternator. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 55.2
[55.302] Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.3
[55.011] Fuel tank system . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 55.4
[55.988] Selective Catalytic Reduction (SCR) electrical system . . . . . . . . . .. . . . 55.5
[55.989] Exhaust Gas Recirculation (EGR) electrical system . . . . . . . . . . . . . . . . 55.6
[55.012] Engine cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.7
[55.519] Cab brake controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.8
[55.030] Service brake electrical system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.9
[55.031] Parking brake electrical system . . . . . . . . . . . . . . . . . . . .. . . . . . . 55.10
[55.512] Cab controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.11
[55.051] Cab Heating, Ventilation, and Air-Conditioning (HVAC) controls. . . . . . . . . 55.12
[55.050] Heating, Ventilation, and Air-Conditioning (HVAC) control system. . . . . . . . 55.13
[55.047] Steering control system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.14
[55.530] Camera. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . 55.15
[55.518] Wiper and washer system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.16
[55.514] Cab lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.17
[55.408] Warning indicators, alarms, and instruments . . . . . . . . . . . . . . . . . . . 55.18
[55.DTC] FAULT CODES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . 55.19
Front loader and bucket……………………………………………………… 82
[82.300] Bucket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . 82.1
Platform, cab, bodywork, and decals ……………………………………… 90
[90.150] Cab. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.1
[90.156] Cab glazing . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . 90.2
[90.114] Operator protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.3
Case 721F Tier 4B (721F XR 721F XT 721F ZBAR) Wheel Loader Service Manual
Regular price
$39.90
Sale price
$130.00
Download Case 721F Tier 4B (721F XR 721F XT 721F ZBAR) Wheel Loader Service Manual
Part number 47881872
English
June 2015
This Factory Service Repair Manual offers all the service and repair information about Case 721F Tier 4B Wheel Loader. The information on this manual covered everything you need to know when you want to repair or service Case 721F Tier 4B Wheel Loader.
Models Covered:
721F XR
721F XT
721F ZBAR
This manual is INSTANT DOWNLOAD. It means no shipping cost or waiting for getting a CD package for several days. you will receive this manual today via instant download on completion of payment via our secure payment processor.
Manual Contents:
Engine…………………………………………………………………………… 10
[10.001] Engine and crankcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.1
[10.202] Air cleaners and lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . 10.2
[10.500] Selective Catalytic Reduction (SCR) exhaust treatment . . . . . . . . . . . . . 10.3
[10.400] Engine cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.4
[10.414] Fan and drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.5
[10.310] Aftercooler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.6
[10.304] Engine lubrication system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.7
Transmission…………………………………………………………………… 21
[21.113] Powershift transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.1
[21.135] Powershift transmission external controls. . . . . . . . . . . . . . . . . . . . . . . . . . 21.2
[21.155] Powershift transmission internal components. . . . . . . . . . . . . . . . . . . . . . . 21.3
[21.700] Torque converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . 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
[25.108] Final drive hub, steering knuckles, and shafts . . . . . . . . . . . . . . . . . 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
[33.202] Hydraulic service brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33.1
[33.110] Parking brake or parking lock . . . . . . . . . . . . . . . .. . . . . . . 33.2
Hydraulic systems…………………………………………………………….. 35
[35.000] Hydraulic systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.1
[35.300] Reservoir, cooler, and filters. . . . . . . . . . . . . . . . . . . . . . . . . . . 35.2
[35.106] Variable displacement pump . . . . . . . . . . . . . . . . . . . . .. . . . . . . . 35.3
[35.357] Pilot system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . 35.4
[35.752] Hydraulic fan drive cooling system. . . . . . . . . . . . . . . . . . . . . . . . . . 35.5
[35.355] Hydraulic hand control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.6
[35.724] Front loader hydraulic system control . . . . . . . . . . . . . . . . . . . . . . . 35.7
[35.701] Front loader arm hydraulic system . . . . . . . . . . . . . . . . . .. . . . . . . . . . . 35.8
[35.723] Front loader bucket hydraulic system . . . . . . . . . . . . . . . . . . 35.9
[35.734] Tool quick coupler hydraulic system . . . . . . . . . . . . . . . . . . . 35.10
Frames and ballasting ……………………………………………………….. 39
[39.100] Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39.1
Steering…………………………………………………………………………. 41
[41.101] Steering control . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . 41.1
[41.200] Hydraulic control components. . . . . . . . . . . . . . . . . . . . . . . . . . 41.2
[41.216] Cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41.3
[41.910] Auxiliary steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41.4
Wheels………………………………………………………………………….. 44
[44.511] Front wheels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44.1
[44.520] Rear wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44.2
Cab climate control …………………………………………………………… 50
[50.200] Air conditioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.1
Electrical systems …………………………………………………………….. 55
[55.100] Harnesses and connectors. . . . . . . . . . . . . . . . . . . . . . 55.1
[55.301] Alternator. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 55.2
[55.302] Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.3
[55.011] Fuel tank system . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 55.4
[55.988] Selective Catalytic Reduction (SCR) electrical system . . . . . . . . . .. . . . 55.5
[55.989] Exhaust Gas Recirculation (EGR) electrical system . . . . . . . . . . . . . . . . 55.6
[55.012] Engine cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.7
[55.519] Cab brake controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.8
[55.030] Service brake electrical system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.9
[55.031] Parking brake electrical system . . . . . . . . . . . . . . . . . . . .. . . . . . . 55.10
[55.512] Cab controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.11
[55.051] Cab Heating, Ventilation, and Air-Conditioning (HVAC) controls. . . . . . . . . 55.12
[55.050] Heating, Ventilation, and Air-Conditioning (HVAC) control system. . . . . . . . 55.13
[55.047] Steering control system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.14
[55.530] Camera. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . 55.15
[55.518] Wiper and washer system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.16
[55.514] Cab lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55.17
[55.408] Warning indicators, alarms, and instruments . . . . . . . . . . . . . . . . . . . 55.18
[55.DTC] FAULT CODES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . 55.19
Front loader and bucket……………………………………………………… 82
[82.300] Bucket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . 82.1
Platform, cab, bodywork, and decals ……………………………………… 90
[90.150] Cab. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.1
[90.156] Cab glazing . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . 90.2
[90.114] Operator protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90.3
This manual can be used by anyone from a first time owner/amateur to a professional technician.Even the most novice mechanic can also easily follow the step-by-step guides which are made simple by the illustrations and drawings.Keep this manual handy and use it often. Performing routine, preventive maintenance will save you time & money by helping to prevent premature failure and unnecessary repairs.
Language: English
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PAGES: 2331
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