Caterpillar 320D3, 323D3 Hydraulic Excavators Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Caterpillar 320D3, 323D3 Hydraulic Excavators, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Caterpillar 323D3, 320D3 Hydraulic Excavators 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.
M0099323 - Schematic (320D3 Excavator Hydraulic System - Hammer with Return Filter).pdf
M0095787 - Schematic (323D3 Excavator Hydraulic System).pdf
M0095407 - Testing and Adjusting (320D3 Excavator Hydraulic System).pdf
M0095406 - Testing and Adjusting (323D3 Excavator Hydraulic System).pdf
M0095045 - Disassembly and Assembly (320 D3 and 320 D3 GC Hydraulic Excavators Engine Disassembly and Assembly).pdf
M0094901 - Schematic (323D3 Excavator Electrical System).pdf
M0094859 - Schematic (320D3 Excavator Electrical System).pdf
M0094858 - Specifications (320D3 and 323D3 Excavators Machine System Specifications).pdf
M0094857 - Troubleshooting (320D3 and 323D3 Excavators Machine Electronic Control System).pdf
M0094590 - Schematic (320D3 and 323D3 Excavator Hydraulic System).pdf
M0094085 - Systems Operation (320D3 and 323D3 Excavators Systems).pdf
M0092847 - Disassembly and Assembly (320D3 Hydraulic Excavator Engine Supplements).pdf
M0092843 - Disassembly and Assembly (323D3 Hydraulic Excavators Engine Supplements).pdf
M0092841 - Disassembly and Assembly (320D3 Hydraulic Excavator Machine Systems).pdf
M0092839 - Disassembly and Assembly (323D3 Hydraulic Excavators Machine Systems).pdf
PRODUCT DETAILS:
Total Pages: 1,932 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
M0092839 - Disassembly and Assembly (323D3 Hydraulic Excavators Machine Systems)...1
Duo-Cone Conventional Seals - Install...4
System Pressure - Release...16
Bucket - Remove and Install...19
Bucket Linkage - Remove and Install...22
Bucket Cylinder - Remove and Install...26
Bucket Cylinder - Disassemble...30
Bucket Cylinder - Assemble...34
Load Control Valve (Stick Cylinder) - Remove and Install...40
Load Control Valve (Stick Cylinder) - Disassemble...43
Load Control Valve (Stick Cylinder) - Assemble...52
Stick Cylinder - Remove and Install...60
Stick Cylinder - Disassemble...63
Stick Cylinder - Assemble...68
Stick - Remove...75
Stick Bearings and Seals - Remove and Install...79
Stick - Install...85
Load Control Valve (Boom Cylinder) - Remove and Install...88
Boom Cylinder - Remove and Install...91
Boom Cylinder - Disassemble...97
Boom Cylinder - Assemble...101
Boom - Remove...107
Boom Bearings and Seals - Remove and Install...113
Boom - Install...116
Upper Frame and Undercarriage Frame - Separate...123
Upper Frame and Undercarriage Frame - Connect...129
Window Wiper Motor - Remove and Install...133
Cab - Remove and Install...137
Counterweight - Remove and Install...142
Fuel Tank - Remove and Install...144
Check Valve (Cooler Bypass) - Remove and Install...149
Operator Console - Remove and Install...153
Seat - Remove and Install...157
Seat Support - Remove and Install...159
Seat Suspension - Remove and Install...161
Storage Box and Covers (Cab) - Remove and Install...163
Heating and Air Conditioning Unit - Remove and Install...165
Receiver Dryer (Refrigerant) - Remove and Install...168
Pressure Switch (Refrigerant Pressure Cutoff) - Remove and Install...170
Control Module (Automatic Temperature Control Unit) - Remove and Install...172
Monitor - Remove and Install - Machine...174
Track Carrier Roller - Remove and Install...175
Track Roller - Remove and Install...179
Front Idler and Recoil Spring - Remove and Install...182
Recoil Spring - Disassemble...185
Recoil Spring - Assemble...190
Hydraulic Track Adjusters - Disassemble...196
Hydraulic Track Adjusters - Assemble...198
Sprocket - Remove and Install...201
Final Drive - Disassemble...203
Final Drive - Assemble...213
Final Drive and Travel Motor - Remove and Install...225
Swivel - Remove and Install...229
Swivel - Disassemble...232
Swivel - Assemble...238
Swing Motor and Swing Drive - Remove and Install...244
Swing Drive - Disassemble...249
Swing Drive - Assemble...260
Swing Gear and Bearing - Remove...274
Swing Gear and Bearing - Install...277
Oil Filter (Hydraulic; Return) - Remove and Install...283
Hydraulic Tank - Remove and Install...286
Main Hydraulic Pump - Remove and Install...291
Pump Drive Coupling - Remove and Install...297
Pilot Valve (Joystick) - Disassemble...299
Pilot Valve (Joystick) - Assemble...304
Pilot Valve (Travel) - Remove and Install...309
Pilot Valve (Travel) - Disassemble...313
Pilot Valve (Travel) - Assemble...320
Accumulator - Remove and Install...326
Main Control Valve - Remove...329
Main Control Valve - Disassemble...337
Main Control Valve - Assemble...351
Main Control Valve - Install...366
M0092841 - Disassembly and Assembly (320D3 Hydraulic Excavator Machine Systems)...374
Duo-Cone Conventional Seals - Install...377
System Pressure - Release...389
Bucket - Remove and Install...392
Bucket Linkage - Remove and Install...395
Bucket Linkage Bearings and Seals - Remove...399
Bucket Linkage Bearings and Seals - Install...402
Bucket Cylinder - Remove and Install...406
Bucket Cylinder - Disassemble...410
Bucket Cylinder - Assemble...414
Load Control Valve (Stick Cylinder) - Remove and Install...420
Load Control Valve (Stick Cylinder) - Disassemble...423
Load Control Valve (Stick Cylinder) - Assemble...432
Stick Cylinder - Remove and Install...440
Stick Cylinder - Disassemble...443
Stick Cylinder - Assemble...448
Stick - Remove...455
Stick Bearings and Seals - Remove and Install...459
Stick - Install...465
Load Control Valve (Boom Cylinder) - Remove and Install...468
Load Control Valve (Boom Cylinder) - Disassemble...471
Load Control Valve (Boom Cylinder) - Assemble...478
Boom Cylinder - Remove and Install...485
Boom Cylinder - Disassemble...491
Boom Cylinder - Assemble...495
Boom - Remove...501
Boom Bearings and Seals - Remove and Install...507
Boom - Install...510
Upper Frame and Undercarriage Frame - Separate...517
Upper Frame and Undercarriage Frame - Connect...523
Window Wiper Motor - Remove and Install...527
Cab - Remove and Install...531
Counterweight - Remove and Install...536
Fuel Tank - Remove and Install...538
Check Valve (Cooler Bypass) - Remove and Install...543
Hydraulic Lockout Control - Remove...547
Hydraulic Lockout Control - Disassemble...549
Hydraulic Lockout Control - Assemble...551
Hydraulic Lockout Control - Install...554
Operator Console - Remove and Install...556
Seat - Remove and Install...560
Seat Support - Remove and Install...562
Seat Suspension - Remove and Install...564
Storage Box and Covers (Cab) - Remove and Install...566
Heating and Air Conditioning Unit - Remove and Install...568
Receiver Dryer (Refrigerant) - Remove and Install...571
Pressure Switch (Refrigerant Pressure Cutoff) - Remove and Install...573
Control Module (Automatic Temperature Control Unit) - Remove and Install...575
Monitor - Remove and Install - Machine...577
Track Carrier Roller - Remove and Install...578
Track Roller - Remove and Install...582
Track - Separate...585
Track - Connect...591
Front Idler and Recoil Spring - Remove and Install...596
Recoil Spring - Disassemble...599
Recoil Spring - Assemble...604
Hydraulic Track Adjusters - Disassemble...610
Hydraulic Track Adjusters - Assemble...612
Sprocket - Remove and Install...615
Final Drive - Disassemble...617
Final Drive - Assemble...627
Final Drive and Travel Motor - Remove and Install...639
Swivel - Remove and Install...643
Swivel - Disassemble...646
Swivel - Assemble...652
Swing Motor and Swing Drive - Remove and Install...658
Swing Drive - Disassemble...663
Swing Drive - Assemble...674
Swing Gear and Bearing - Remove...688
Swing Gear and Bearing - Install...691
Oil Filter (Hydraulic; Return) - Remove and Install...697
Hydraulic Tank - Remove and Install...700
Main Hydraulic Pump - Remove and Install...705
Main Hydraulic Pump - Disassemble...710
Main Hydraulic Pump - Assemble...741
Pump Drive Coupling - Remove and Install...769
Pilot Valve (Joystick) - Remove and Install - Left Hand...771
Pilot Valve (Joystick) - Remove and Install - Right Hand...776
Pilot Valve (Joystick) - Disassemble...780
Pilot Valve (Joystick) - Assemble...785
Pilot Valve (Travel) - Remove and Install...790
Pilot Valve (Travel) - Disassemble...794
Pilot Valve (Travel) - Assemble...801
Accumulator - Remove and Install...807
Main Control Valve - Remove...810
Main Control Valve - Disassemble...818
Main Control Valve - Assemble...832
Main Control Valve - Install...847
M0092843 - Disassembly and Assembly (323D3 Hydraulic Excavators Engine Supplements)...855
System Pressure - Release...857
Battery - Remove and Install...860
Alternator - Remove and Install...863
Electric Starting Motor - Remove and Install...865
Fuel Filter and Base - Remove and Install - Primary...868
Fuel Filter and Base - Remove and Install - Secondary...873
Valve Mechanism Cover - Remove and Install...876
Engine Oil Filter and Oil Filter Base - Remove and Install...879
Engine Oil Cooler - Remove and Install...883
Air Cleaner - Remove and Install...887
Muffler - Remove and Install...890
Turbocharger - Remove and Install...893
Exhaust Manifold - Remove and Install...896
Water Temperature Regulator - Remove and Install...899
Belt Tensioner - Remove and Install...902
Cooling System Package (Radiator; Hydraulic Oil Cooler; and Aftercooler) - Remove and Install...904
Cooling System Package (Radiator; Hydraulic Oil Cooler; and Aftercooler) - Disassemble...910
Cooling System Package (Radiator; Hydraulic Oil Cooler; and Aftercooler) - Assemble...913
Fan Guard - Remove and Install...917
Fan and Fan Drive - Remove and Install...919
Water Pump - Remove and Install...921
Crankshaft Vibration Damper and Pulley - Remove and Install...925
Crankshaft Front Seal - Remove and Install...927
Oil Pan - Remove and Install...930
Engine Front Mount - Remove and Install...936
Engine Rear Mount - Remove and Install...938
Refrigerant Compressor - Remove and Install...940
Refrigerant Condenser and Mounting - Remove and Install...943
Hood - Remove and Install...947
Engine - Remove and Install...949
M0092847 - Disassembly and Assembly (320D3 Hydraulic Excavator Engine Supplements)...958
System Pressure - Release...960
Battery - Remove and Install...963
Alternator - Remove and Install...966
Electric Starting Motor - Remove and Install...969
Exhaust Elbow - Remove and Install...972
Fuel Filter and Water Separator - Remove and Install - Primary...974
Fuel Filter and Water Separator - Remove and Install - Secondary...978
Valve Mechanism Cover - Remove and Install...981
Engine Oil Filter - Remove and Install...984
Engine Oil Cooler - Remove and Install...986
Air Cleaner - Remove and Install...990
Muffler - Remove and Install...993
Water Temperature Regulator - Remove and Install - Thermostat...996
Belt Tensioner - Remove and Install...1000
Cooling System Package (Radiator; Hydraulic Oil Cooler; and Aftercooler) - Remove and Install...1002
Cooling System Package (Radiator; Hydraulic Oil Cooler; and Aftercooler) - Disassemble...1008
Cooling System Package (Radiator; Hydraulic Oil Cooler; and Aftercooler) - Assemble...1011
Fan Guard - Remove and Install...1015
Fan - Remove and Install...1017
Water Pump - Remove and Install...1019
Crankshaft Vibration Damper and Pulley - Remove and Install...1022
Crankshaft Front Seal - Remove and Install...1025
Oil Pan - Remove and Install...1027
Engine Front Mount - Remove and Install...1030
Engine Rear Mount - Remove and Install...1033
Refrigerant Compressor - Remove and Install...1037
Refrigerant Condenser and Mounting - Remove and Install...1039
Hood - Remove and Install...1043
Engine - Remove and Install...1045
M0094085 - Systems Operation (320D3 and 323D3 Excavators Systems)...1053
General Information...1055
Main Hydraulic System...1056
Main Electrical System...1062
Engine Control...1066
Electrical Input Components...1076
Electrical Output Components...1080
Electronic Control Module...1083
Related Components...1088
Pilot Hydraulic System...1090
Gear Pump (Pilot)...1099
Hydraulic Filter (Pilot)...1100
Relief Valve (Pilot)...1102
Accumulator (Pilot)...1104
Solenoid Valve (Hydraulic Lockout)...1106
Pilot Valve (Joystick)...1111
Solenoid Valve (Proportional Reducing) - Power Shift System...1114
Main Hydraulic Pump...1118
Pump Control (Main Hydraulic) - Main Pump Regulator...1122
Main Control Valve...1128
Negative Flow Control System...1138
Relief Valve (Main)...1146
Relief Valve (Line)...1150
Check Valve (Load)...1153
Boom Hydraulic System...1157
Boom Drift Reduction Valve...1168
Stick Hydraulic System...1171
Stick Drift Reduction Valve...1180
Bucket Hydraulic System...1183
Cylinders (Boom; Stick and Bucket)...1186
Swing Hydraulic System...1188
Swing Motor...1198
Pilot Valve (Swing Parking Brake)...1202
Relief Valve (Swing)...1206
Oil Makeup (Swing System)...1209
Relief Valve (Cushion Crossover) - Anti-Reaction Valve...1213
Swing Drive...1221
Travel Hydraulic System...1226
Pilot Valve (Travel)...1236
Travel Motor...1239
Travel Parking Brake...1243
Displacement Change Valve...1245
Travel Counterbalance Valve...1249
Oil Makeup (Travel System)...1254
Control Valve (Straight Travel)...1256
Final Drive...1260
Swivel...1264
Return Hydraulic System...1266
Check Valve (Return Makeup) - Slow Return Check Valve...1269
Bypass Valve (Return) - Bypass Check Valve...1271
Hydraulic Tank and Filter...1273
Oil Filter (Return) - Case Drain Filter...1275
Hydraulic Oil Cooler...1277
One-Way Flow Hydraulic System - One-Way_Two Pump; Hydraulic Control...1278
Graphic Color Codes...1280
M0094590 - Schematic (320D3 and 323D3 Excavator Hydraulic System)...1282
Features...1282
Cover Page...1284
Information...0
Component Location...1285
Tap Location...1286
Schematic...1287
Machine Views...0
Cab - Front View...1288
Machine - Rear View...1289
Machine - Right Side View...1290
Main Control Valve...1291
Pump Gp - Right Side View...1292
M0094857 - Troubleshooting (320D3 and 323D3 Excavators Machine Electronic Control System)...1293
General Information...1294
Service Tools...1296
Connector Locations...1300
Diagnostic Capabilities...1301
Diagnostic Trouble Codes...1305
Determining Diagnostic Trouble Codes...1310
Event Codes...1313
Symptom Troubleshooting...1318
Emerging Symptom Information...1320
Alarm - Test...1321
CAN Data Link - Test...1327
Electrical Connector - Inspect...1336
Engine Speed Control - Test...1343
Relay - Test...1347
Sensor Signal (Analog; Active) - Test...1352
Sensor Signal (Analog; Passive) - Test...1359
Sensor Signal (PWM) - Test...1365
Sensor Supply - Test...1373
Solenoid Valve - Test...1379
Switch Circuits - Test...1386
Window Wiper Delay - Test...1391
Wiring Harness (Open Circuit) - Test...1396
Wiring Harness (Short Circuit) - Test...1397
ECM Software - Install...1399
ECM - Configure...1401
ECM - Replace...1403
Connector Contact Description...1404
System Schematic...1410
M0094858 - Specifications (320D3 and 323D3 Excavators Machine System Specifications)...1413
Air Cleaner - Precleaner...1416
Main Hydraulic Pump...1417
Gear Pump...1420
Pump Head (Main)...1422
Main Control Valve...1424
Pump Lines (Main)...1438
Pump Coupling...1439
Relief Valve (Line)...1440
Front Lines - Single Function...1442
Front Lines...1443
Boom Lines...1444
Boom Cylinder...1446
Boom Cylinder Lines...1448
Pilot Valve (Boom Drift Reduction)...1449
Boom - 5.675 m (18.6188 ft)...1451
Boom - 5.7 m (18.70 ft)...1453
Stick - 2.5 m (8.20 ft)...1455
Stick Lines...1457
Stick Cylinder...1458
Stick Cylinder Lines...1460
Check Valve (Stick Drift Reduction)...1461
Bucket Cylinder Lines...1463
Bucket Cylinder...1465
Bucket Adjuster...1467
Bucket Linkage...1468
Hydraulic Tank Mounting...1470
Hydraulic Tank and Filter...1471
Hydraulic Oil Cooler Lines Group...1475
Check Valve (Return Lines)...1477
Hood...1479
Control Manifold (Pilot Oil)...1481
Pressure Reducing Valve (Boom and Stick Priority)...1485
Relief Valve (Pilot)...1486
Pilot Valve (Travel)...1488
Accumulator (Pilot)...1490
Oil Filter (Return)...1492
Pilot Lines - Joystick and Pedals...1494
Shuttle Valve (Pilot Lines)...1496
Pilot Valve (Joystick)...1497
Control Valve (Auxiliary)...1499
Swing Motor...1501
Fasteners - Swing Drive and Final Drive...1503
Swing Drive...1505
Swing Gear and Bearing...1507
Sprocket...1509
Travel Motor Guard...1510
Handle Control (Travel)...1511
Travel Motor Lines...1512
Final Drive...1514
Track Adjuster and Recoil...1516
Track Roller (Single Flange)...1518
Track...1526
Fuel Tank...1528
Upper Frame...1530
Shuttle Valve (Pump Flow Control)...1533
Counterweight...1534
Grease Lines...1536
Air Conditioner and Mounting...1538
Air Conditioner Lines...1540
Armrest...1543
Joystick Control...1545
Hydraulic Pedal Control (Auxiliary)...1546
Cab...1548
Cab Air Duct...1550
Cab Window...1552
M0094859 - Schematic (320D3 Excavator Electrical System)...1553
Features...1553
Cover Page...1555
Information...0
Component Location...1556
Connector Location...1557
Schematic...1558
Machine Views...0
Battery Compartment...1559
Cab - Bottom...1560
Cab - Left Side...1561
Cab - Right Side...1562
Chassis - Front View...1563
Engine - Front View...1564
Engine - Rear View...1565
Pump Compartment...1566
M0094901 - Schematic (323D3 Excavator Electrical System)...1567
Features...1567
Cover Page...1569
Information...0
Component Location...1570
Connector Location...1571
Schematic...1572
Machine Views...0
Battery Compartment...1573
Cab - Bottom...1574
Cab - Left Side...1575
Cab - Right Side...1576
Chassis - Front View...1577
Engine - Front View...1578
Engine - Rear View...1579
Pump Compartment...1580
M0095045 - Disassembly and Assembly (320 D3 and 320 D3 GC Hydraulic Excavators Engine Disassembly and Assembly)...1581
Fuel Injection Lines - Remove...1583
Fuel Injection Lines - Install...1585
Fuel Injection Nozzles - Remove and Install...1587
Fuel Injection Pump - Remove...1589
Fuel Injection Pump - Install...1594
Turbocharger - Remove and Install...1599
Exhaust Manifold - Remove and Install...1601
Inlet Manifold - Remove and Install...1602
Inlet and Exhaust Valves - Remove and Install...1603
Engine Oil Filter Base - Remove and Install...1605
Engine Oil Cooler - Remove and Install...1608
Engine Oil Pump - Remove and Install...1609
Water Pump - Remove and Install...1611
Water Temperature Regulator - Remove and Install...1613
Flywheel - Remove and Install...1615
Crankshaft Rear Seal - Remove and Install...1616
Flywheel Housing - Remove and Install...1618
Vibration Damper and Pulley - Remove and Install...1620
Crankshaft Front Seal - Remove and Install...1622
Gear Group (Front) - Remove and Install...1624
Housing (Front) - Remove and Install...1627
Crankcase Breather - Remove and Install...1632
Valve Mechanism Cover - Remove and Install...1634
Rocker Shaft and Pushrod - Remove...1636
Rocker Shaft and Pushrod - Install...1638
Cylinder Head - Remove...1640
Cylinder Head - Install...1642
Camshaft - Remove and Install...1645
Engine Oil Pan - Remove and Install...1647
Cylinder Liner - Remove and Install...1649
Piston Cooling Jets - Remove and Install...1653
Pistons and Connecting Rods - Remove...1654
Pistons and Connecting Rods - Disassemble...1656
Pistons and Connecting Rods - Assemble...1657
Pistons and Connecting Rods - Install...1658
Crankshaft - Remove and Install...1660
Refrigerant Compressor - Remove and Install...1662
Belt Tensioner - Remove and Install...1664
Alternator - Remove and Install...1666
Electric Starting Motor - Remove and Install...1668
Air Conditioner Support Bracket - Remove and Install...1670
M0095406 - Testing and Adjusting (323D3 Excavator Hydraulic System)...1672
General Testing and Adjusting Information...1674
Visual Inspection...1675
System Pressure - Release...1676
Main Hydraulic Pump Air - Purge...1677
Overload Warning - Set - If Equipped...1680
Speed Sensor - Adjust - Engine...1690
Operational Checks...1693
Engine Performance - Test - Engine Speed...1695
Travel on Level Ground - Test - Optional Test...1697
Travel on Level Ground - Test...1699
Machine Drift on a Slope - Check...1702
Swing Speed and Overswing on Level Ground - Check...1705
Swing Speed and Swing Drift on a Slope - Check...1708
Cylinder Drift - Check - Empty Bucket...1712
Cylinder Drift - Check - Loaded Bucket...1716
Cylinder Speed - Check...1718
Relief Valve (Pilot) - Test and Adjust...1722
Accumulator (Pilot) - Test and Charge...1725
Power Shift Pressure - Check...1731
Solenoid Valve (Proportional Reducing) - Calibrate - Power Shift Pressure...1734
Relief Valve (Main) - Test and Adjust - Heavy Lift...1741
Relief Valve (Line) - Test and Adjust...1747
Swing Motor - Test - Measurement of Case Drain Oil...1760
Relief Valve (Swing) - Test and Adjust...1765
Swing Bearing Movement - Measure...1769
Travel Motor - Test - Measurement of Case Drain Oil...1775
Relief Valve (Crossover) - Test...1781
Work Tool - Select...1787
Relief Valve (Auxiliary) - Test and Adjust - Tool Relief Valve...1791
Main Pump (Flow) - Test - Hydraulic Power...1794
Pump Control (Output Flow) - Adjust...1802
Specifications...1805
M0095407 - Testing and Adjusting (320D3 Excavator Hydraulic System)...1808
General Testing and Adjusting Information...1810
Visual Inspection...1811
System Pressure - Release...1812
Main Hydraulic Pump Air - Purge...1813
Overload Warning - Set - If Equipped...1816
Speed Sensor - Adjust - Engine...1826
Operational Checks...1829
Engine Performance - Test - Engine Speed...1830
Travel on Level Ground - Test - Optional Test...1832
Travel on Level Ground - Test...1834
Machine Drift on a Slope - Check...1837
Swing Speed and Overswing on Level Ground - Check...1840
Swing Speed and Swing Drift on a Slope - Check...1843
Cylinder Drift - Check - Empty Bucket...1847
Cylinder Drift - Check - Loaded Bucket...1851
Cylinder Speed - Check...1853
Relief Valve (Pilot) - Test and Adjust...1857
Accumulator (Pilot) - Test and Charge...1860
Power Shift Pressure - Check...1866
Solenoid Valve (Proportional Reducing) - Calibrate - Power Shift Pressure...1869
Relief Valve (Main) - Test and Adjust - Heavy Lift...1876
Relief Valve (Line) - Test and Adjust...1882
Swing Motor - Test - Measurement of Case Drain Oil...1895
Relief Valve (Swing) - Test and Adjust...1900
Swing Bearing Movement - Measure...1904
Travel Motor - Test - Measurement of Case Drain Oil...1910
Relief Valve (Crossover) - Test...1916
Work Tool - Select...1922
Relief Valve (Auxiliary) - Test and Adjust - Tool Relief Valve...1926
Main Pump (Flow) - Test - Hydraulic Power...1929
Pump Control (Output Flow) - Adjust...1937
Specifications...1940
M0095787 - Schematic (323D3 Excavator Hydraulic System)...1943
Features...1943
Cover Page...1945
Information...0
Component Location...1946
Tap Location...1947
Schematic...1948
Machine Views...0
Cab - Front View...1949
Machine - Rear View...1950
Machine - Right Side View...1951
Main Control Valve...1952
Pump Gp - Right Side View...1953
M0099323 - Schematic (320D3 Excavator Hydraulic System - Hammer with Return Filter)...1954
Features...1954
Cover Page...1956
Information...0
Component Location...1957
Tap Location...1958
Schematic...1959
Machine Views...0
Cab - Front View...1960
Machine - Rear Top View...1961
Machine - Right Side View...1962
Machine Right Rear View - Pump GP...1963
Main Control Valve...1964
Caterpillar 320D3, 323D3 Hydraulic Excavators Repair Service Manual