Caterpillar 314D Excavator Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Caterpillar 314D Excavator, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Caterpillar 314D Excavator workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
KENR6193 - Specifications (314D CR Excavator Machine System).pdf
KENR6194 - Systems Operation (314D CR Excavator Hydraulic System).pdf
KENR6195 - Testing and Adjusting (314D Excavator Hydraulic System).pdf
KENR6196 - Schematic (314D CR Excavator Hydraulic System).pdf
KENR6197 - Schematic (314D CR Excavator; Electrical System).pdf
KENR6403 - Disassembly and Assembly (314D CR Hydraulic Excavator C4.2 Engine Supplement).pdf
KENR6404 - Disassembly and Assembly (314D CR Hydraulic Excavator Machine Systems).pdf
KENR6799 - Specifications; Systems Operation; Testing and Adjusting (308D; 314D; 321D and 328D Excavators Air Conditioning and Heating).pdf
KENR7711 - Schematic (314D CR Excavator Hydraulic System - Attachment - System 20 Combined Function).pdf
KENR7714 - Schematic (314D CR Excavator Hydraulic System - Attachment - System 23).pdf
KENR7716 - Schematic (314D CR Excavator Hydraulic System - Attachment - Medium Pressure F3 Valve with 3rd Pump).pdf
KENR7717 - Schematic (314D CR Excavator Hydraulic System - Attachment - Medium Pressure with F4 Valve).pdf
KENR7718 - Schematic (314D Excavator Hydraulic System - Attachment - Boom Lowering Control Valve).pdf
KENR7719 - Schematic (314D CR Excavator Hydraulic System - Attachment - Stick Lowering Control Valve).pdf
KENR7751 - Schematic (314D CR Excavator Hydraulic System - Attachment - Blade).pdf
KENR7753 - Schematic (314D CR Excavator Hydraulic System - Attachment - Power Offset Boom 335-0214-01).pdf
KENR8626 - Schematic (314D CR Excavator Hydraulic System - Attachment - Quick Coupler).pdf
PRODUCT DETAILS:
Total Pages: 2,001 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
KENR6193 - Specifications (314D CR Excavator Machine System)...2
Main Hydraulic Pump...6
Pump Head (Main)...9
Main Control Valve...13
Pump Lines...31
Pump Lines (Auxiliary)...33
Pump Coupling - Auxiliary Pump...34
Pump Coupling...36
Relief Valve (Main)...38
Front Lines - Quick Coupler...39
Front Lines...40
Front Lines - Medium Pressure...48
Return Lines...51
Drain Line (Muffler)...53
Boom Lines...55
Boom Lines - Quick Coupler...56
Boom Cylinder Lines - Offset Boom...57
Boom Cylinder Lines...59
Load Control Valve (Boom)...69
Boom Cylinder...71
Solenoid Valve (Proportional Reducing)...73
Pilot Valve (One Way)...75
Boom - 4.65 m (15.3 ft)...77
Boom...79
Stick - 2.13 m (7.0 ft)...83
Stick - 2.50 m (8.2 ft)...85
Stick - 3.00 m (9.8 ft)...87
Stick - 2.80 m (9.186 ft)...89
Stick Lines...92
Stick Cylinder...95
Stick Cylinder Lines...100
Control Valve (Stick Lowering)...108
Bucket Cylinder Lines...110
Bucket Cylinder...113
Bucket Adjuster...116
Bucket Linkage...118
Hydraulic Tank Mounting...123
Hydraulic Tank and Filter...126
Hydraulic Oil Cooler Lines Group...129
Check Valve (Hydraulic Oil Cooler Bypass)...131
Control Manifold (Pilot Oil)...133
Pressure Reducing Valve (Boom and Stick Priority)...137
Pressure Reducing Valve (Boom Shock)...139
Relief Valve (Pilot)...141
Pilot Valve (Travel)...142
Accumulator (Pilot)...146
Oil Filter (Hydraulic) - Case Drain...148
Pilot Lines - Shuttle Valve...150
Pilot Lines - Blade...151
Pilot Lines - Medium Pressure...153
Pilot Lines - Cab...155
Pilot Lines - Main Pump...157
Pilot Lines...159
Pilot Lines - Control Valve...176
Shuttle Valve (Pilot Lines)...184
Pilot Valve (Joystick)...186
Swivel...188
Swing Motor...189
Fasteners - Swing Drive and Final Drive...191
Swing Drive...193
Swing Gear and Bearing...198
Sprocket...201
Travel Motor...202
Travel Motor Guard...205
Handle Control (Travel)...206
Travel Counterbalance Valve...207
Travel Motor Lines...210
Final Drive...212
Front Idler...215
Recoil Spring...217
Track Adjuster...219
Track Carrier Roller...221
Track Roller (Single Flange)...223
Track Roller Mounting...225
Track...228
Fuel Lines...230
Fuel Tank...233
Engine Mounting...242
Upper Frame...243
Blade Cylinder Lines...246
Blade Lift Cylinder...247
Blade Mounting...250
Counterweight...252
Auxiliary Hydraulic Lines - Coupler Lines...256
Auxiliary Hydraulic Lines...258
Grease Lines...263
Heater and Air Conditioner Mounting...267
Air Conditioner Lines...271
Heater Lines...275
Refrigerant Compressor Mounting...277
Operator Monitor...279
Joystick Control...280
Hydraulic Pedal Control (Auxiliary)...283
Cab...286
Operator Platform...290
KENR6194 - Systems Operation (314D CR Excavator Hydraulic System)...292
General Information...294
Main Hydraulic System...295
Electronic Control System...299
Pilot Hydraulic System...303
Gear Pump (Pilot)...308
Hydraulic Filter (Pilot)...309
Relief Valve (Pilot)...311
Accumulator (Pilot)...312
Solenoid Valve (Hydraulic Lockout)...315
Pilot Valve (Joystick)...320
Solenoid Valve (Proportional Reducing) - Power Shift System...325
Main Hydraulic Pump...329
Pump Control (Main Hydraulic) - Main Pump Regulator...334
Main Control Valve...344
Negative Flow Control System...355
Relief Valve (Main)...360
Relief Valve (Line)...364
Check Valve (Load)...368
Boom Hydraulic System...372
Parallel Offset Boom Hydraulic System...382
Boom Cylinder Dampening System...386
Control Valve (Boom Lowering)...392
Stick Hydraulic System...399
Control Valve (Stick Lowering)...409
Bucket Hydraulic System...416
Blade Hydraulic System...419
Cylinders (Boom; Stick and Bucket)...424
Swing Hydraulic System...426
Swing Motor...432
Pilot Valve (Swing Parking Brake)...436
Relief Valve (Swing)...440
Oil Makeup (Swing System)...443
Relief Valve (Cushion Crossover) - Anti-Reaction Valve...445
Solenoid Valve (Fine Swing)...456
Swing Drive...460
Travel Hydraulic System...465
Pilot Valve (Travel)...476
Travel Motor...479
Travel Parking Brake...483
Displacement Change Valve...486
Travel Counterbalance Valve...491
Oil Makeup (Travel System)...496
Control Valve (Straight Travel)...499
Final Drive...504
Swivel...508
Return Hydraulic System...510
Check Valve (Return Makeup) - Slow Return Check Valve...513
Bypass Valve (Return) - Bypass Check Valve...515
Hydraulic Tank and Filter...517
Oil Filter (Return) - Case Drain Filter...519
Hydraulic Oil Cooler...521
Graphic Color Codes...523
KENR6195 - Testing and Adjusting (314D Excavator Hydraulic System)...525
General Testing and Adjusting Information...527
Visual Inspection...528
Hydraulic System Pressure - Release...529
Main Hydraulic Pump Air - Purge...534
Overload Warning - Set - If Equipped...536
Operational Checks...548
Engine Performance - Test - Engine Speed...550
Travel on Level Ground - Test - Optional Test...552
Travel on Level Ground - Test...554
Machine Drift on a Slope - Check...557
Swing Speed and Overswing on Level Ground - Check...560
Swing Speed and Swing Drift on a Slope - Check...563
Cylinder Drift - Check - Loaded Bucket...567
Cylinder Drift - Check - Blade (If Equipped)...569
Cylinder Drift - Check - Empty Bucket...571
Cylinder Speed - Check - Blade (If Equipped)...576
Cylinder Speed - Check - Power Offset Boom...578
Cylinder Speed - Check...583
Relief Valve (Pilot) - Test and Adjust...587
Accumulator (Pilot) - Test and Charge...589
Relief Valve (Main) - Test and Adjust - Power Offset Boom (If Equipped)...595
Relief Valve (Main) - Test and Adjust...602
Relief Valve (Line) - Test and Adjust - Stick Lowering Control Valve...609
Relief Valve (Line) - Test and Adjust - Power Offset Boom (If Equipped)...614
Relief Valve (Line) - Test and Adjust - Boom Lowering Control Valve...626
Relief Valve (Line) - Test and Adjust...632
Relief Valve (Blade) - Test and Adjust - If Equipped...642
Boom Cylinder Decompression (PRV) - Calibrate...647
Boom Down Regeneration (PRV) - Calibrate...665
Swing Motor - Test - Measurement of Case Drain Oil...683
Relief Valve (Swing) - Test and Adjust...688
Swing Bearing Movement - Measure...691
Travel Motor - Test - Measurement of Case Drain Oil...697
Relief Valve (Crossover) - Test and Adjust...701
Main Pump (Flow) - Test - Hydraulic Power...708
Main Pump (Flow) - Test - Constant Horsepower Flow Control...717
Pump Control (Output Flow) - Adjust...734
Pump Control (Negative Flow) - Test...737
Pump Control (Negative Flow) - Adjust...753
Gear Pump (Pilot) - Test...755
Gear Pump (Blade) - Test...761
Specifications - Power Offset Boom (If Equipped)...766
Specifications...770
KENR6196 - Schematic (314D CR Excavator Hydraulic System)...774
Main...775
Features...775
Cover Page...776
Information...0
Component Location...777
Tap Location...778
Fluid Power Symbols...779
Electrical Symbols...780
Schematic...781
Machine Views...0
Machine Component Locations...782
Cab Platform...783
Main Pump And Filter Circuits...784
Collage...785
KENR6197 - Schematic (314D CR Excavator; Electrical System)...801
Features...801
Cover Page...802
Information...0
Component Location...0
Page 1 of 2...803
Page 2 of 2...804
Connector Location...805
CID/MID/FMI...806
Specification and Related Manuals...807
Schematic...809
Machine Views...0
Machine Front View...810
Machine Rear View...811
Cab View...812
Engine View...813
Relay Panel...814
KENR6403 - Disassembly and Assembly (314D CR Hydraulic Excavator C4.2 Engine Supplement)...815
System Pressure - Release...816
Battery - Remove and Install...817
Alternator - Remove and Install...823
Electric Starting Motor - Remove and Install...828
Fuel Priming Pump - Remove and Install...832
Receiver Dryer (Refrigerant) - Remove and Install...834
Refrigerant Condenser - Remove and Install...837
Radiator and Aftercooler - Remove...843
Radiator and Aftercooler - Install...847
Fuel Filter (Primary) and Fuel Filter Base - Remove and Install...851
Fuel Filter and Water Separator Base - Remove and Install...854
Engine Oil Filter and Oil Filter Base - Remove and Install...858
Hydraulic Oil Cooler - Remove...862
Hydraulic Oil Cooler - Install...867
Air Cleaner - Remove and Install...872
Aftercooler - Remove...876
Aftercooler - Install...878
Muffler - Remove and Install...880
Turbocharger - Remove and Install...886
Coolant Tank (Expansion) - Remove and Install...891
Radiator - Remove...893
Radiator - Install...895
Fan Guard - Remove and Install...897
Fan - Remove and Install...904
Crankshaft Vibration Damper and Pulley - Remove and Install...907
Refrigerant Compressor - Remove and Install...910
Hood - Remove and Install...915
Engine - Remove...919
Engine - Install...935
KENR6404 - Disassembly and Assembly (314D CR Hydraulic Excavator Machine Systems)...949
Duo-Cone Conventional Seals - Install...953
System Pressure - Release...966
Bucket - Remove...967
Bucket - Install...970
Bucket Linkage - Remove...974
Bucket Linkage Bearings and Seals - Remove...977
Bucket Linkage Bearings and Seals - Install...981
Bucket Linkage - Install...986
Bucket Cylinder - Remove and Install...991
Quick Coupler - Remove and Install...997
Stick Cylinder - Remove and Install...1006
Stick - Remove and Install...1013
Stick Bearings and Seals - Remove and Install...1015
Stick - Remove...1019
Stick Bearings and Seals - Remove...1024
Stick Bearings and Seals - Install...1027
Stick - Install...1030
Boom Cylinder - Remove and Install...1035
Boom - Remove and Install - Power Offset Boom...1046
Boom - Remove...1066
Boom Bearings and Seals - Remove...1075
Boom Bearings and Seals - Install...1077
Boom - Install...1079
Window Wiper Motor - Remove and Install...1087
Cab - Remove...1094
Cab - Install...1100
Boom Lighting - Remove and Install...1105
Counterweight - Remove and Install...1107
Fuel Tank - Remove...1110
Fuel Tank - Install...1119
Check Valve (Cooler Bypass) - Remove...1128
Check Valve (Cooler Bypass) - Disassemble...1132
Check Valve (Cooler Bypass) - Assemble...1134
Check Valve (Cooler Bypass) - Install...1136
Handle (Joystick) - Remove and Install...1140
Hydraulic Lockout Control - Remove...1155
Hydraulic Lockout Control - Disassemble...1157
Hydraulic Lockout Control - Assemble...1159
Hydraulic Lockout Control - Install...1162
Operator Console - Remove and Install - Left Side...1164
Seat - Remove and Install...1178
Seat Support - Remove and Install...1181
Heating and Air Conditioning Unit - Remove...1189
Heating and Air Conditioning Unit - Install...1196
Blower Motor (Air Conditioner; Heater) - Remove and Install...1202
Actuator Motor (Damper Assembly) - Remove and Install...1207
Speed Control - Remove and Install...1211
Heater Core - Remove...1213
Heater Core - Install...1216
Evaporator Coil - Remove...1219
Evaporator Coil - Install...1222
Pressure Switch (Refrigerant Pressure Cutoff) - Remove and Install...1226
Track Carrier Roller - Remove...1230
Track Carrier Roller - Install...1232
Track Roller - Remove...1234
Track Roller - Install...1237
Track - Separate...1239
Track - Connect...1242
Front Idler and Recoil Spring - Remove...1245
Recoil Spring - Disassemble...1247
Recoil Spring - Assemble...1252
Front Idler and Recoil Spring - Install...1257
Track Adjuster - Remove...1259
Track Adjuster - Install...1261
Sprocket - Remove and Install...1265
Final Drive and Travel Motor - Remove...1269
Final Drive and Travel Motor - Disassemble...1273
Final Drive and Travel Motor - Assemble...1295
Final Drive and Travel Motor - Install...1319
Swivel - Remove...1322
Swivel - Disassemble...1329
Swivel - Assemble...1331
Swivel - Install...1335
Shutoff Valve (Two-Way Flow and One Pump_Two Pump) - Remove and Install...1342
Swing Motor - Remove...1347
Swing Motor - Disassemble...1354
Swing Motor - Assemble...1364
Swing Motor - Install...1373
Swing Drive - Remove...1378
Swing Drive - Disassemble - Older Style...1381
Swing Drive - Assemble - Older Style...1396
Swing Drive - Install...1413
Undercarriage Frame - Remove...1416
Undercarriage Frame - Install...1427
Swing Gear and Bearing - Remove and Install...1437
Hydraulic Tank and Filter - Remove...1442
Hydraulic Tank and Filter - Install...1450
Accumulator - Remove and Install...1459
Gear Pump (Pilot) - Remove...1464
Gear Pump (Pilot) - Disassemble...1467
Gear Pump (Pilot) - Assemble...1472
Gear Pump (Pilot) - Install...1477
Main Hydraulic Pump - Remove...1479
Main Hydraulic Pump - Disassemble...1485
Main Hydraulic Pump - Assemble...1498
Main Hydraulic Pump - Install...1510
Pilot Valve (Joystick) - Remove - Right Hand...1515
Pilot Valve (Joystick) - Remove - Left Hand...1520
Pilot Valve (Joystick) - Disassemble...1527
Pilot Valve (Joystick) - Assemble...1533
Pilot Valve (Joystick) - Install - Right Hand...1540
Pilot Valve (Joystick) - Install - Left Hand...1544
Control Manifold (Pilot Oil) - Remove...1551
Control Manifold (Pilot Oil) - Disassemble...1555
Control Manifold (Pilot Oil) - Assemble...1562
Control Manifold (Pilot Oil) - Install...1569
Pilot Valve (Travel) - Remove...1572
Pilot Valve (Travel) - Disassemble...1576
Pilot Valve (Travel) - Assemble...1587
Pilot Valve (Travel) - Install...1599
Main Control Valve - Remove...1603
Main Control Valve - Disassemble...1614
Main Control Valve - Assemble...1635
Main Control Valve - Install...1659
Priority Valve - Remove - Boom...1670
Priority Valve - Disassemble - Boom...1674
Priority Valve - Assemble - Boom...1676
Priority Valve - Install - Boom...1678
KENR6799 - Specifications; Systems Operation; Testing and Adjusting (308D; 314D; 321D and 328D Excavators Air Conditioning and Heating)...1681
Refrigerant Compressor...1683
Blower Motor...1686
Pressure Switch (Refrigerant Pressure Cutoff)...1687
Air Conditioner Lines...1688
System Capacities for Refrigerant (Excavators) - 308D CR-328D CR...1692
General Information...1694
Air Conditioning System...1698
Refrigerant Compressor ...1702
Refrigerant Condenser...1705
Refrigerant Receiver-Dryer...1707
Pressure Switch (Refrigerant Pressure Cutoff) ...1709
Refrigerant Expansion Valve...1711
Evaporator Coil...1712
Blower Motor ...1714
Actuator (Air Conditioner Control)...1715
Air Conditioning and Heating System Sensor Operation...1718
Control Panel...1723
Control Panel - Heater Only...1728
Control Module...1730
Control Module - Heater Only...1732
Speed Control - Power Transistor...1734
Heater System (Cab) - Heater Only...1735
Heater Core (Cab)...1740
Machine Preparation for Troubleshooting...1741
General Troubleshooting Information...1743
Visual Inspection...1746
Air Conditioning System Troubleshooting - Guide for Sensors...1748
Actuator Troubleshooting - Abnormal Detection...1752
Actuator Troubleshooting - Guide for Actuators...1754
Sensor Troubleshooting...1760
Required Tools...1762
Refrigerant Recovery...1764
Manifold Gauge Set (Refrigerant) - Install...1768
Refrigerant System - Evacuate...1771
Refrigerant System - Flush...1777
Refrigerant Leakage - Test...1780
Refrigerant Compressor Oil - Check...1783
Refrigerant System - Charge...1786
Manifold Gauge Set (Refrigerant) - Remove...1796
KENR7711 - Schematic (314D CR Excavator Hydraulic System - Attachment - System 20 Combined Function)...1799
Main...1800
Features...1800
Cover Page...1801
Information...0
Component Location...1802
Tap Location...1803
Fluid Power Symbols...1804
Electrical Symbols...1805
Schematic...1806
Machine Views...0
Machine Component Locations...1807
Main Pump And Filter Circuits...1808
Negative Flow Control Pressure Taps...1809
System...1810
Collage...1811
KENR7714 - Schematic (314D CR Excavator Hydraulic System - Attachment - System 23)...1827
Main...1828
Features...1828
Cover Page...1829
Information...0
Component Location...1830
Tap Location...1831
Fluid Power Symbols...1832
Electrical Symbols...1833
Schematic...1834
Machine Views...0
Machine Component Locations...1835
Cab Platform...1836
Main Pump And Fillter Circuits...1837
Negative Flow Control Pressure Taps...1838
System...1839
Collage...1840
KENR7716 - Schematic (314D CR Excavator Hydraulic System - Attachment - Medium Pressure F3 Valve with 3rd Pump)...1855
Main...1856
Features...1856
Cover Page...1857
Information...0
Component Location...1858
Tap Location...1859
Fluid Power Symbols...1860
Electrical Symbols...1861
Schematic...1862
Machine Views...0
Machine Component Locations...1863
Cab Platform...1864
Main Pump And Filter Circuits...1865
Medium Pressure Valve Gp...1866
Collage...1867
KENR7717 - Schematic (314D CR Excavator Hydraulic System - Attachment - Medium Pressure with F4 Valve)...1882
Main...1883
Features...1883
Cover Page...1884
Information...0
Component Location...1885
Tap Location...1886
Fluid Power Symbols...1887
Electrical Symbols...1888
Schematic...1889
Machine Views...0
Machine Component Locations...1890
Cab Platform...1891
Main Pump And Filter Circuits...1892
Pressure Reducing Valve Gp...1893
Collage...1894
KENR7718 - Schematic (314D Excavator Hydraulic System - Attachment - Boom Lowering Control Valve)...1909
Main...1910
Features...1910
Cover Page...1911
Information...0
Component Location...1912
Tap Location...1913
Fluid Power Symbols...1914
Electrical Symbols...1915
Schematic...1916
Machine Views...0
Machine Component Locations...1917
Boom Lowering Control Valve...1918
Cab Platform...1919
Main Pump And Filter Circuits...1920
Collage...1921
KENR7719 - Schematic (314D CR Excavator Hydraulic System - Attachment - Stick Lowering Control Valve)...1936
Main...1937
Features...1937
Cover Page...1938
Information...0
Component Location...1939
Tap Location...1940
Fluid Power Symbols...1941
Electrical Symbols...1942
Schematic...1943
Machine Views...0
Machine Component Locations...1944
Cab Platform...1945
Main Pump And Filter Circuits...1946
Stick Lowering Control Valve...1947
Collage...1948
KENR7751 - Schematic (314D CR Excavator Hydraulic System - Attachment - Blade)...1963
Main...1964
Collage...1966
KENR7753 - Schematic (314D CR Excavator Hydraulic System - Attachment - Power Offset Boom 335-0214-01)...1981
Main...1982
Collage...1984
KENR8626 - Schematic (314D CR Excavator Hydraulic System - Attachment - Quick Coupler)...1999
Main...2000
Collage...2002
Caterpillar 314D Excavator Repair Service Manual