Caterpillar 320C and 322C Excavators Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Caterpillar 320C and 322C Excavators, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Caterpillar 320C and 322C 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.
RENR7275 - Schematic (Air Conditioning Electrical System (320C and 322C)).pdf
RENR7269 - Schematic (320C Excavator Hydraulic System (Attachment) VA Boom).pdf
RENR7246 - Schematic (320C Excavator Hydraulic System - Attachment - VA Boom with Combined Function).pdf
RENR7187 - Schematic (320C and 325C Excavators Hydraulic System - attachment System 17Combined Function_Auxiliary Pump_Joystick with Slide Control).pdf
RENR7159 - Schematic (320C Excavator Hydraulic System - Attachment).pdf
RENR7087 - Schematic (320C Excavator and 320C Material Handler Electrical System).pdf
RENR7056 - Schematic (320C Excavator Electrical Schematic (Attachment) Medium Pressure).pdf
RENR7055 - Schematic (320C Excavator Electrical Schematic (Attachment) Combined Function).pdf
RENR3895 - Testing & Adjusting (320C Excavator Hydraulic System).pdf
RENR3893 - Schematic (320C Excavator Hydraulic System - Attachment).pdf
RENR3888 - Schematic (320C Excavators Hydraulic System (Attachment) System 14 Combined Function:Auxiliary Pump).pdf
RENR3886 - Schematic (320C Excavators Hydraulic System (Attachment) System 1 One Way:One Pump Flow:Hydraulic Foot Pedal).pdf
RENR3848 - Schematic (320C Excavator Hydraulic Schematic (Attachment) - Boom Float).pdf
RENR3847 - Schematic (320C U Excavator Electrical System).pdf
RENR3829 - Schematic (320C and 322C Excavator Hydraulic System - Attachment - Stick Lowering Contol Valve).pdf
RENR3826 - Disassembly and Assembly (320C Excavator Machine Systems).pdf
RENR3822 - Schematic (320C Excavator Electrical System).pdf
RENR3821 - Schematic (320C Excavator Electrical System).pdf
RENR3820 - Schematic (320C Excavators Hydraulic System (Attachment) Quick Coupler).pdf
RENR3819 - Schematic (320C Excavator Hydraulic System).pdf
RENR3818 - Testing & Adjusting (320C and 322C Excavators Attachment Hydraulic System).pdf
RENR3818 - Systems Operation (320C and 322C Excavators Attachment Hydraulic System).pdf
RENR3817 - Testing & Adjusting (320C Excavator Hydraulic System).pdf
RENR3816 - Systems Operation (320C Excavator Hydraulic System).pdf
RENR3815 - Specifications (320C Excavator Machine System Specifications).pdf
RENR3814 - Testing & Adjusting (MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2).pdf
RENR3814 - Systems Operation (MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2).pdf
RENR3813 - Disassembly & Assembly (320C Excavator Engine Supplement).pdf
RENR3763 - Testing & Adjusting (312C; 315C; 318C; 319C; 320C; 322C; 325C and 330C Excavators Air Conditioning & Heating).pdf
RENR3763 - Systems Operation (312C; 315C; 318C; 319C; 320C; 322C; 325C and 330C Excavators Air Conditioning & Heating).pdf
RENR3763 - Specifications (312C; 315C; 318C; 319C; 320C; 322C; 325C and 330C Excavators Air Conditioning & Heating).pdf
KENR6305 - Schematic (320C II Excavator Attachment (Medium Pressure Circuit) Electrical System).pdf
PRODUCT DETAILS:
Total Pages: 3,732 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
KENR6305 -Schematic (320C II Excavator Attachment (Medium Pressure Circuit) Electrical System)...1
Main...2
Collage...4
RENR3763 - Specifications (312C; 315C; 318C; 319C; 320C; 322C; 325C and 330C Excavators Air Conditioning & Heating)...8
Pressure Switch (Refrigerant Pressure Cutoff)...9
Blower Motor...10
System Capacities for Refrigerant (Excavators) - 312C-330C...11
Refrigerant Compressor...29
Air Conditioner Lines...41
RENR3763 - Systems Operation (312C; 315C; 318C; 319C; 320C; 322C; 325C and 330C Excavators Air Conditioning & Heating)...63
Air Conditioning System...64
Control Panel (Air Conditioner and Heater)...68
Air Conditioning and Heating System Sensor Operation...71
Refrigerant Expansion Valve...74
Air Conditioning System Schematic...76
Heater System (Cab)...77
Refrigerant Receiver-Dryer...81
Heating System Schematic...84
Refrigerant Condenser...87
Refrigerant Compressor...89
Pressure Switch (Refrigerant Pressure Cutoff)...91
Heater Core (Cab)...94
Speed Control - Blower Linear Control (BLC)...98
Blower Motor...99
Control Module - Heater Only...101
General Information...104
Control Module - Heating and Air Conditioning...108
Control Panel - Heater Only...111
Motor (Air Conditioner Control)...114
RENR3763 - Testing & Adjusting (312C; 315C; 318C; 319C; 320C; 322C; 325C and 330C Excavators Air Conditioning & Heating)...117
Refrigerant System - Flush...118
Refrigerant Recovery...124
Air Conditioning E44 - Air Mix Damper Error...128
Refrigerant System - Evacuate...130
Air Conditioning E11 - Recirculation Sensor (Open Circuit)...136
Air Conditioning E14 - Fresh Air Sensor (Short Circuit)...141
Refrigerant Compressor Oil - Check...143
Refrigerant System - Charge...147
Manifold Gauge Set (Refrigerant) - Install...151
Temperature Sensor - Test...155
Actuator Motor - Test...157
Troubleshooting Faults With Service Codes...160
Air Conditioning E43 - Discharge Damper...165
Air Conditioning System Troubleshooting...167
Machine Preparation for Troubleshooting...213
Visual Inspection...215
Air Conditioning System Schematic...217
Air Conditioning E13 - Fresh Air Sensor (Open Circuit)...227
General Troubleshooting Information...229
Manifold Gauge Set (Refrigerant) - Remove...232
Heating System Schematic...235
Belt - Test...239
Fresh Air Damper Error...241
Air Conditioning E12 - Recirculation Sensor (Short Circuit)...243
Heating System Troubleshooting...245
Refrigerant Leakage - Test...271
Required Tools...274
RENR3813 - Disassembly & Assembly (320C Excavator Engine Supplement)...278
Engine and Main Hydraulic Pump - Remove...280
Fan - Remove and Install...285
Governor Control Motor - Remove and Install...290
Hood - Remove and Install...297
Turbocharger - Install...302
Exhaust Manifold (In Chassis) - Remove and Install...308
Radiator - Remove...313
Turbocharger - Remove...320
Water Temperature Regulator - Remove and Install...325
Engine Oil Filter Base - Assemble...330
Fuel Filter (Primary) and Fuel Filter Base - Remove and Install...335
System Pressure - Release...339
Water Pump - Remove...342
Muffler - Remove and Install...347
Water Separator - Remove and Install...352
Radiator - Install...357
Water Pump - Install...364
Hydraulic Oil Cooler - Remove...366
Hydraulic Oil Cooler - Install...373
Alternator - Remove and Install...379
Engine Oil Filter Base - Disassemble...384
Engine Oil Cooler - Remove and Install...390
Refrigerant Compressor - Remove and Install...395
Engine and Main Hydraulic Pump - Install...401
Fuel Priming Pump - Remove and Install...424
Refrigerant Condenser - Remove and Install...431
Oil Pan - Remove and Install...437
Air Inlet Heater - Remove and Install...439
Engine Oil Level Gauge (Dipstick) - Remove and Install...449
Engine Oil Filter and Oil Filter Base - Remove and Install...452
Electric Starting Motor - Remove and Install...458
Flywheel and Ring Gear - Remove and Install...462
Air Cleaner - Remove and Install...472
RENR3814 - Systems Operation (MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2)...482
Backup System...483
Engine Speed Protection...485
General Information (Electrical System)...488
Governor Actuator Control...499
Start and Stop Circuit...504
Power Circuit...511
General Information (Electronic Control System)...522
Related Components...529
Senders...531
Switches...533
Tool Control...536
Pump Regulation...540
Charging Circuit...552
Engine and Hydraulic Pump Controller...555
Operator Monitor...561
Swing Lock System...564
Sensors...566
Solenoid Valves...569
Straight Travel Control...571
Engine and Pump Regulation...574
Engine Speed Control...581
Low Current Circuit...586
Starting Aid Circuit...587
Automatic Engine Control...594
RENR3814 - Testing & Adjusting (MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2)...599
Warning Hydraulic Oil Level Is Low Is Displayed - Troubleshoot...602
Warning Engine Coolant Temperature Is High Is Displayed - Troubleshoot - CID 110...609
Governor Actuator Sweep - Test...635
Swing Is Inoperable - Troubleshoot - CID 374...642
Warning Battery Charge Is Abnormal Is Displayed While Engine Is Running - Troubleshoot - CID 167...669
Active Error Mode...677
Warning Air Cleaner Filter Is Clogged Is Displayed - Troubleshoot...681
Switch Status Mode...687
Charging System - Test...692
Service Tools...701
Engine Controller Is Abnormal - Troubleshoot - 590...702
Warning Return Filter Is Clogged Is Displayed - Troubleshoot...712
Controller Input and Output Values...720
Configuration Mode...722
Using Caterpillar Electronic Technician...729
Warning Hydraulic Oil Temperature Is High Is Displayed - Troubleshoot - CID 600...736
Initial Troubleshooting Procedure...754
Warning Fuel Leftover Is Little Is Displayed - Troubleshoot - CID 96...757
Troubleshooting Diagnostic Codes...765
Proportional Reducing Valve - Calibrate - Power Shift...772
Controller - Replace...775
Electrical Components And Connector Locations...777
Device Test...778
Battery Voltage Is Abnormal - Troubleshoot - CID 168...785
Logged Event Mode...792
Controller Connector Contact Identification...795
Proportional Reducing Valve Sweep - Test - Power Shift...797
Governor Actuator - Replace...800
Travel Alarm Is Abnormal - Troubleshoot - CID 376...811
Harness and Wire Identification...826
Check of Proportional Reducing Valve - Troubleshoot - CID 581...828
ECM Summary Mode...839
General Information...843
Engine Speed Dial Does Not Work - Troubleshoot - CID 586...845
Check of Feedback Signal From Governor Actuator - Troubleshoot - CID 587...856
Logged Error Mode...871
Check of Speed Sensor - Troubleshoot - CID 190...875
No Power Supply to Controller - Troubleshoot...882
System Schematic...884
Governor Actuator - Calibrate...892
Status Mode...903
Low Idle Switch Does Not Work - Troubleshoot...908
AEC Is Abnormal - Troubleshoot...919
Warning Engine Oil Level Is Low Is Displayed - Troubleshoot...931
Check of Straight Travel Proportional Reducing Valve - Troubleshoot - CID 1525...938
Adjust Clock Mode...965
Warning Engine Coolant Level Is Low Is Displayed - Troubleshoot...969
Warning Water Separator Has Water Is Displayed - Troubleshoot...975
Check of Fault Alarm - Troubleshoot - CID 2002 for 319C; 320C and 322C or CID 271 for 312C; 315C; 318C; 321C; 325C; and 330C...995
Speed Sensor - Replace...1010
Using Service Mode...1012
Check of Governor Actuator - Troubleshoot - CID 91 - 315C; 318C; 319C; 320C; 321C; And 322C...1014
Automatic Travel Speed Change Is Abnormal - Troubleshoot - CID 0598; CID 1161; and CID 1162...1026
Check of Controller LED Indicator - Troubleshoot...1041
RENR3815 - Specifications (320C Excavator Machine System Specifications)...1043
Hydraulic Tank Mounting...1049
Boom Cylinder ...1051
Boom Cylinder Lines - Left Hand...1054
Pilot Valve...1057
Swing Motor...1059
Pump Lines (Auxiliary) - Combined Function...1061
Shuttle Valve (One-Way Hydraulic Flow) - Front Lines...1063
Drain Line (Boom) - Reach Boom...1065
Stick Cylinder Lines...1067
Pilot Lines - Harvester...1077
Quick Coupler (Hydraulic)...1081
Refrigerant Compressor Mounting...1083
Shuttle Valve (Pilot Lines)...1086
Stick Cylinder...1091
Auxiliary Hydraulic Lines - Stick R2.5 for Quick Coupler...1098
Travel Motor...1100
Boom Lines - Harvester...1108
Auxiliary Hydraulic Lines - Stick R3.9B...1110
Stick Cylinder ...1112
Auxiliary Hydraulic Lines - Stick R2.9C for Quick Coupler...1119
Shuttle Valve (Pump Flow Control)...1123
Pressure Reducing Valve (Boom and Stick Priority)...1125
Travel Motor Lines...1128
Handle Control (Travel)...1131
Bucket Linkage - C-Family...1133
Pilot Valve (One Way)...1139
Auxiliary Hydraulic Lines - Mass Boom...1141
Solenoid Valve (Grapple)...1143
Front Lines - Combined Flow...1145
Front Lines - Hoist Cylinder...1149
Travel Counterbalance Valve...1151
Upper Frame - Hoist Cylinder...1159
Pump Coupling...1161
Front Lines - Medium Pressure...1163
Wiring (Combined Function Hydraulic)...1167
Pilot Lines - Double Action...1172
Fuel Tank...1174
Pilot Lines - Single Action...1178
Control Valve (Auxiliary)...1184
Auxiliary Hydraulic Lines - Return Lines...1191
Track Carrier Roller...1193
Joystick Control...1197
Auxiliary Hydraulic Lines - Reach Boom...1199
Pilot Lines - Stick Lowering Control Valve...1201
Drain Line (Muffler)...1204
Lines (Boom Lowering Valve)...1206
Bucket Sidecutter...1209
Boom - Fore Boom...1213
Hydraulic Tank and Filter...1216
Boom Cylinder...1222
Boom Lighting - Right Hand on Long Boom...1228
Relief Valve (Line) - High Pressure Work Tool...1230
Bucket Cylinder...1232
Boom Lines...1244
Swing Gear and Bearing...1252
Auxiliary Hydraulic Lines - Stick M2.4C...1257
Sprocket...1259
Auxiliary Hydraulic Lines - R2.5B Stick (Upper)...1264
Auxiliary Hydraulic Lines - Stick R2.9B for Quick Coupler...1266
Drain Line (Stick) - R2.5B...1268
Pump Coupling - Auxiliary Pump...1270
Auxiliary Hydraulic Lines - Stick R3.9B for Quick Coupler...1272
Auxiliary Hydraulic Lines - Combined Flow with VA Boom...1274
Operator Monitor...1276
Auxiliary Hydraulic Lines - R2.9B Stick...1278
Return and Oil Filter Lines...1280
Lines (Hammer)...1282
Engine Mounting...1284
Boom Cylinder Lines - Right Hand...1288
Pilot Valve (Oil Manifold)...1293
Heater and Air Conditioner Mounting...1295
Air Cleaner - Precleaner...1299
Pump Lines (Main)...1301
Pilot Valve (Travel)...1303
Front Lines - Single Action...1305
Boom Lighting - Right Hand on Short Boom...1307
Pilot Valve (Joystick)...1309
Drain Line (Stick) - R:M1.9C...1314
Front Lines - Double Action...1318
Wiring (Battery) - Cold Weather...1320
Governor Control...1323
Final Drive...1327
Swing Cushion Valve...1336
Relief Valve (Line) - Front Lines...1339
Track Roller (Single Flange)...1341
Chassis Lighting...1351
Boom...1353
Auxiliary Hydraulic Lines - Return for Boom Float...1363
Operator Platform...1365
Auxiliary Hydraulic Lines - Sensor for Boom Float...1367
Track Adjuster and Recoil...1369
Bucket Adjuster...1371
Quick Coupler (Mechanical)...1375
Swing Drive - Without Motor...1377
Harvester...1379
Counterweight...1381
Relief Valve (Main)...1385
Main Hydraulic Pump...1387
Auxiliary Hydraulic Lines - Stick M2.4C for Quick Coupler...1393
Recoil Spring...1395
Check Valve (Boom Drift Reduction)...1403
Track Adjuster...1406
Heater Lines...1410
Relief Valve (Negative Flow Control) - Auxiliary; Combined Function...1413
Drain Line (Stick)...1415
Cab Mounting...1419
Quick Coupler (Spindle)...1421
Check Valve (Return Lines)...1423
Track Roller Mounting...1427
Boom Lighting - Left Hand...1431
Bucket Linkage - B-Family...1433
Fuel Lines...1445
Cab...1448
Relief Valve (Pilot)...1450
Solenoid Valve (Swing Motor)...1452
Control Valve (Stick Lowering)...1454
Fasteners - Swing Drive and Final Drive...1457
Travel Motor Guard...1459
Relief Valve (Pilot) - Front Lines...1463
Hydraulic Pedal Control (Auxiliary)...1467
Track Shoe Bolts...1473
Pilot Valve (Auxiliary)...1476
Main Control Valve...1479
Drain Line (Work Tool)...1485
Upper Frame...1487
Wiring (Battery)...1495
Boom Cylinder Lines...1500
Solenoid Valve (Quick Coupler)...1502
Air Cleaner...1504
Oil Filter (Return)...1506
Boom - Stub Boom...1511
Check Valve (Stick Drift Reduction)...1514
Fasteners - Travel Motor...1517
Solenoid Valve (Variable Adjust Boom)...1519
Drain Line (Stick) - M2.4C...1522
Swing Cushion Valve - Fine Swing...1526
Drain Line (Boom) - Mass Boom...1528
Pilot Lines - Combined Flow with VA Boom...1530
Air Conditioner Lines...1532
Auxiliary Hydraulic Lines - High Pressure with VA Boom...1535
Auxiliary Hydraulic Lines - Stick R2.5B...1537
Pilot Lines - Pump Flow Control...1539
Front Idler...1544
Bucket Linkage...1550
Stick...1557
Front Lines...1561
Pilot Lines...1563
Stick Lines...1569
Bucket Cylinder Lines...1575
Bucket Cylinder ...1583
Auxiliary Hydraulic Lines...1592
Accumulator (Pilot)...1596
RENR3816 - Systems Operation (320C Excavator Hydraulic System)...1603
Gear Pump (Pilot)...1605
Control Valve (Straight Travel)...1606
Pilot Valve (Swing Parking Brake)...1611
Negative Flow Control System...1616
Travel Hydraulic System...1625
Travel Motor...1630
Pilot Hydraulic System...1633
Relief Valve (Main)...1643
General Information...1652
Main Hydraulic Pump...1653
Return Hydraulic System...1657
Bypass Valve (Return) - Bypass Check Valve...1660
Boom Hydraulic System...1663
Solenoid Valve (Proportional Reducing) - Power Shift System...1677
Cylinders (Boom; Stick and Bucket)...1689
Check Valve (Return Makeup) - Slow Return Check Valve...1693
Pilot Valve (Straight Travel)...1696
Main Control Valve...1701
Swing Motor...1714
Relief Valve (Cushion Crossover) - Anti-Reaction Valves...1727
Check Valve (Load)...1731
Solenoid Valve (Fine Swing)...1734
Bucket Hydraulic System...1737
Stick Drift Reduction Valve...1741
Main Hydraulic System...1753
Oil Makeup (Travel System)...1759
Pilot Valve (Joystick)...1770
Hydraulic Oil Cooler...1776
Stick Hydraulic System...1783
Travel Parking Brake...1795
Pump Control (Main Hydraulic) - Main Pump Regulator...1799
Relief Valve (Pilot)...1803
Swing Drive...1805
SmartBoom Hydraulic System...1813
Solenoid Valve (Hydraulic Lockout)...1827
Travel Counterbalance Valve...1833
Hydraulic Tank and Filter...1844
Graphic Color Codes...1847
Oil Filter (Return) - Case Drain Filter...1852
Control Valve (Boom Lowering)...1854
Relief Valve (Line)...1858
Swing Hydraulic System...1861
Pilot Valve (Travel)...1874
Final Drive...1877
Medium Pressure Hydraulic System...1882
Displacement Change Valve...1887
Electronic Control System...1891
Hydraulic Filter (Pilot)...1897
Relief Valve (Swing)...1898
Boom Drift Reduction Valve...1903
Oil Makeup (Swing System)...1907
Accumulator (Pilot)...1911
RENR3817 - Testing & Adjusting (320C Excavator Hydraulic System)...1913
Pump Control (Negative Flow) - Adjust...1915
Solenoid Valve (Swing Parking Brake) - Test...1919
Main Pump - Test - Measurement of Case Drain Oil...1922
Pump Control (Output Flow) - Adjust...1926
Travel on Level Ground - Test - Optional Test...1929
Engine Performance - Test - Engine Speed...1932
Cylinder Speed - Check...1934
Cylinder Drift - Check - Loaded Bucket...1940
Main Pump (Flow) - Test - Hydraulic Power...1945
Relief Valve (Main) - Test and Adjust...1955
Hydraulic System Pressure - Release...1959
Overload Warning - Set - If Equipped...1964
Visual Inspection...1975
Pump Control (Negative Flow) - Test...1976
Relief Valve (Swing) - Test and Adjust...1979
Relief Valve (Line) - Test and Adjust - Boom Lowering Control Valve...1983
Travel Motor - Test - Measurement of Case Drain Oil...1992
Specifications...1996
Machine Drift on a Slope - Check...2003
Relief Valve (Crossover) - Test and Adjust...2006
Swing Bearing Movement - Measure...2010
Swing Speed and Swing Drift on a Slope - Check...2014
Swing Motor - Test - Measurement of Case Drain Oil...2019
Gear Pump (Pilot) - Test...2022
Cylinder Drift - Check - Empty Bucket...2026
Relief Valve (Line) - Test and Adjust...2032
Main Hydraulic Pump Air - Purge...2041
Swing Speed and Overswing on Level Ground - Check...2046
General Testing and Adjusting Information...2049
Main Pump (Flow) - Test - Constant Horsepower Flow Control...2051
Travel on Level Ground - Test...2061
Relief Valve (Pilot) - Test and Adjust...2064
Operational Checks...2066
Accumulator (Pilot) - Test and Charge...2077
RENR3818 - Systems Operation (320C and 322C Excavators Attachment Hydraulic System)...2079
Pilot Valve (Straight Travel)...2080
Solenoid Valve (Fine Swing)...2085
General Information...2088
Control Valve (Boom Lowering)...2095
RENR3818 - Testing & Adjusting (320C and 322C Excavators Attachment Hydraulic System)...2100
Control Valve (Boom Lowering) - Test and Adjust...2101
Visual Inspection...2107
General Testing and Adjusting Information...2108
RENR3819 - Schematic (320C Excavator Hydraulic System)...2110
Main...2111
Features...2111
Cover Page...2112
Information...0
Component Location...2113
Fluid Power Symbols...2114
Electrical Symbols...2115
Schematic...2116
Machine Views...0
Machine Component Locations...2117
Main Control Valve...2118
Pilot Oil Manifold...2119
Collage...2120
RENR3820 - Schematic (320C Excavators Hydraulic System (Attachment) Quick Coupler)...2132
Main...2133
RENR3821 - Schematic (320C Excavator Electrical System)...2135
Main...2136
Features...2136
Cover Page...2137
Information...0
Component Location...2138
Connector Location...2139
CID/MID/FMI...2140
Specifications and Related Manuals...2141
Standard Electrical...2142
Schematic...2143
Machine view...0
Machine Harness Connector and Component Locations...2144
Collage...2145
RENR3822 - Schematic (320C Excavator Electrical System)...2153
Main...2154
Collage...2156
RENR3826 - Disassembly and Assembly (320C Excavator Machine Systems)...2171
Duo-Cone Conventional Seals - Install...2178
Hydraulic System Pressure - Release...2191
Bucket - Remove...2193
Bucket - Install...2197
Bucket Linkage - Remove...2203
Bucket Linkage Bearings and Seals - Remove...2207
Bucket Linkage Bearings and Seals - Install...2210
Bucket Linkage - Install...2214
Bucket Cylinder - Remove and Install...2219
Drift Reduction Valve (Stick) - Remove...2227
Drift Reduction Valve (Stick) - Disassemble...2230
Drift Reduction Valve (Stick) - Assemble...2238
Drift Reduction Valve (Stick) - Install...2246
Stick Cylinder - Remove and Install...2250
Stick - Remove...2257
Stick Bearings and Seals - Remove...2261
Stick Bearings and Seals - Install...2264
Stick - Install...2267
Drift Reduction Valve (Boom) - Remove...2271
Drift Reduction Valve (Boom) - Disassemble...2274
Drift Reduction Valve (Boom) - Assemble...2282
Drift Reduction Valve (Boom) - Install...2290
Boom Cylinder - Remove and Install...2293
Boom - Remove...2306
Boom Bearings and Seals - Remove and Install...2316
Boom - Install...2320
Window Wiper Motor - Remove and Install - Upper...2332
Window Wiper Motor - Remove and Install - Lower...2341
Cab - Remove...2347
Cab - Install...2354
Boom Lighting - Remove and Install...2361
Counterweight - Remove and Install...2364
Fuel Tank - Remove...2372
Fuel Tank - Install...2382
Refueling Pump - Remove...2391
Refueling Pump - Install...2394
Handle (Joystick) - Remove and Install...2397
Hydraulic Lockout Control - Remove...2402
Hydraulic Lockout Control - Disassemble...2404
Hydraulic Lockout Control - Assemble...2408
Hydraulic Lockout Control - Install...2412
Seat - Remove and Install...2414
Storage Box and Covers (Cab) - Remove and Install...2417
Heating and Air Conditioning Unit - Remove...2422
Heating and Air Conditioning Unit - Install...2431
Blower Motor (Air Conditioner; Heater) - Remove...2439
Blower Motor (Air Conditioner; Heater) - Install...2445
Refrigerant Receiver-Dryer - Remove and Install...2451
Actuator Motor (Air Distributor) - Remove and Install...2456
Speed Control - Remove and Install - Blower Linear Control...2471
Temperature Sensor (Ambient Air) - Remove and Install...2473
Coolant Temperature Sensor - Remove and Install...2476
Sensor (Sunlight) - Remove...2479
Sensor (Sunlight) - Install...2481
Temperature Sensor (Cab Air) - Remove and Install...2483
Heater Core - Remove...2495
Heater Core - Install...2499
Evaporator Coil - Remove...2502
Evaporator Coil - Install...2513
Pressure Switch (Refrigerant Pressure Cutoff) - Remove...2524
Pressure Switch (Refrigerant Pressure Cutoff) - Install...2527
Control Panel (Air Conditioner) - Remove...2530
Control Panel (Air Conditioner) - Install...2534
Lighting (Chassis) - Remove and Install - Storage Box...2538
Track Carrier Roller - Remove...2542
Track Carrier Roller - Install...2545
Track Roller - Remove...2547
Track Roller - Install...2551
Track - Separate...2554
Track - Connect...2558
Front Idler; Recoil Spring and Hydraulic Track Adjuster - Remove...2562
Recoil Spring - Disassemble...2565
Recoil Spring - Assemble...2570
Hydraulic Track Adjusters - Disassemble...2576
Hydraulic Track Adjusters - Assemble...2578
Front Idler; Recoil Spring and Hydraulic Track Adjuster - Install...2582
Sprocket - Remove and Install...2584
Travel Motor Guard - Remove and Install...2588
Counterbalance Valve (Travel) - Remove...2590
Counterbalance Valve (Travel) - Disassemble...2593
Counterbalance Valve (Travel) - Assemble...2599
Counterbalance Valve (Travel) - Install...2606
Travel Motor - Remove...2608
Travel Motor - Disassemble...2611
Travel Motor - Assemble...2623
Travel Motor - Install...2635
Final Drive - Remove...2638
Final Drive - Disassemble...2641
Final Drive - Assemble...2652
Final Drive - Install...2665
Swivel - Remove...2668
Swivel - Disassemble...2672
Swivel - Assemble...2674
Swivel - Install...2677
Swing Cushion Valve - Remove...2681
Swing Cushion Valve - Disassemble - Fine Swing Solenoid...2684
Swing Cushion Valve - Assemble - Fine Swing Solenoid...2687
Swing Cushion Valve - Install...2691
Swing Motor - Remove...2693
Swing Motor - Disassemble...2699
Swing Motor - Assemble...2711
Swing Motor - Install...2724
Swing Drive - Remove...2730
Swing Drive - Disassemble...2733
Swing Drive - Assemble...2741
Swing Drive - Install...2751
Undercarriage Frame - Remove...2754
Undercarriage Frame - Install...2763
Swing Gear and Bearing - Remove...2771
Swing Gear and Bearing - Install...2774
Hydraulic Tank and Filter - Remove...2778
Hydraulic Tank and Filter - Install...2789
Accumulator (Hydraulic Pilot) - Remove and Install...2800
Relief Valve (Pilot) - Remove and Install...2804
Pump Control - Remove...2808
Pump Control - Disassemble...2816
Pump Control - Assemble...2825
Pump Control - Install...2836
Main Hydraulic Pump and Pump Drive Coupling - Remove...2845
Main Hydraulic Pump and Pump Drive Coupling - Install...2858
Main Hydraulic Pump - Disassemble...2870
Main Hydraulic Pump - Assemble...2887
Gear Pump (Auxiliary) - Remove...2905
Gear Pump (Auxiliary) - Disassemble...2908
Gear Pump (Auxiliary) - Assemble...2913
Gear Pump (Auxiliary) - Install...2918
Pump Drive Group - Remove - Auxiliary...2921
Pump Drive Group - Disassemble - Auxiliary...2923
Pump Drive Group - Assemble - Auxiliary...2928
Pump Drive Group - Install - Auxiliary...2933
Flow Divider Valve - Remove...2935
Flow Divider Valve - Disassemble...2937
Flow Divider Valve - Assemble...2951
Flow Divider Valve - Install...2965
Auxiliary Pilot Valve (Straight Travel) - Remove...2967
Auxiliary Pilot Valve (Straight Travel) - Disassemble...2975
Auxiliary Pilot Valve (Straight Travel) - Assemble...2982
Auxiliary Pilot Valve (Straight Travel) - Install...2989
Pilot Valve (Joystick) - Remove...2996
Pilot Valve (Joystick) - Disassemble...3001
Pilot Valve (Joystick) - Assemble...3007
Pilot Valve (Joystick) - Install...3014
Control Manifold (Pilot Oil) - Remove...3019
Control Manifold (Pilot Oil) - Remove - NFC Limit Valve...3023
Control Manifold (Pilot Oil) - Remove - NFC Control Valve...3027
Control Manifold (Pilot Oil) - Disassemble...3032
Control Manifold (Pilot Oil) - Disassemble - NFC Limit Valve...3039
Control Manifold (Pilot Oil) - Disassemble - NFC Control Valve...3043
Control Manifold (Pilot Oil) - Assemble...3050
Control Manifold (Pilot Oil) - Assemble - NFC Control Valve...3057
Control Manifold (Pilot Oil) - Install...3065
Control Manifold (Pilot Oil) - Install - NFC Limit Valve...3068
Control Manifold (Pilot Oil) - Install - NFC Control Valve...3072
Pilot Valve (Travel) - Remove...3076
Pilot Valve (Travel) - Disassemble...3082
Pilot Valve (Travel) - Assemble...3093
Pilot Valve (Travel) - Install...3105
Shuttle Valve - Remove - Straight Travel...3110
Shuttle Valve - Disassemble - Straight Travel...3113
Shuttle Valve - Assemble - Straight Travel...3115
Shuttle Valve - Install - Straight Travel...3117
Main Control Valve - Remove - Equipped with F1 and F4 Auxiliary Control Valves...3119
Main Control Valve - Remove - Equipped with F2 and F3 Auxiliary Control Valves...3133
Main Control Valve - Disassemble...3148
Main Control Valve - Assemble...3193
Main Control Valve - Install - Equipped with F1 and F4 Auxiliary Control Valves...3236
Main Control Valve - Install - Equipped with F2 and F3 Auxiliary Control Valves...3250
Control Valve (Auxiliary) - Remove - F1 and F4 Auxiliary Control Valves...3264
Control Valve (Auxiliary) - Remove - F2 and F3 Auxiliary Control Valves...3273
Control Valve (Auxiliary) - Disassemble - F4 Auxiliary Control Valve...3281
Control Valve (Auxiliary) - Disassemble - F2 Auxiliary Control Valve...3291
Control Valve (Auxiliary) - Disassemble - F1 and F3 Auxiliary Control Valve...3298
Control Valve (Auxiliary) - Assemble - F1 and F3 Auxiliary Control Valve...3310
Control Valve (Auxiliary) - Assemble - F4 Auxiliary Control Valve...3322
Control Valve (Auxiliary) - Assemble - F2 Auxiliary Control Valve...3331
Control Valve (Auxiliary) - Install - F1 and F4 Auxiliary Control Valves...3338
Control Valve (Auxiliary) - Install - F2 and F3 Auxiliary Control Valves...3347
RENR3829 - Schematic (320C and 322C Excavator Hydraulic System - Attachment - Stick Lowering Contol Valve)...3357
Main...3358
Features...3358
Cover Page...3359
Information...0
Component Location...3360
Fluid Power Symbols...3362
Electrical Symbols...3361
Schematic...3363
Machine View...0
Machine Component Locations...3364
Collage...3365
RENR3847 - Schematic (320C U Excavator Electrical System)...3373
Main...3374
Features...3374
Cover Page...3375
Information...0
Component Location...3376
Connector Location...3377
CID/MID/FMI...0
Page 1 of 2...3378
Page 2 of 2...3379
Wire Description...0
Page 1 of 2...3380
Page 2 of 2...3381
Specification and Related Manuals...3382
Standard Electrical...3383
Schematic...3384
Machine View...0
Machine Harness Connector and Component Locations...3385
Collage...3386
RENR3848 - Schematic (320C Excavator Hydraulic Schematic (Attachment) - Boom Float)...3396
RENR3886 - Schematic (320C Excavators Hydraulic System (Attachment) System 1 One Way:One Pump Flow:Hydraulic Foot Pedal)...3398
Main...3399
Features...3399
Cover Page...3400
Information...0
Component Location...3401
Fluid Power Symbols...3402
Electrical Symbols...3403
Schematic...3404
Machine View...0
Machine Component Locations...3405
Collage...3406
RENR3888 - Schematic (320C Excavators Hydraulic System (Attachment) System 14 Combined Function:Auxiliary Pump)...3414
Main...3415
Features...3415
Cover Page...3416
Information...0
Component Location...3417
Fluid Power Symbols...3418
Electrical Symbols...3419
Schematic...3420
Machine View...0
Machine Component Locations...3421
Collage...3422
RENR3893 - Schematic (320C Excavator Hydraulic System - Attachment)...3434
Main...3435
Features...3435
Cover page...3436
Information...0
Component Location...3437
Tap Location...3438
Fluid Power Symbols...3439
Electrical Symbols...3440
Schematic...3441
Machine Views...0
Machine Component Locations...3442
Main Pump and Filter Circuits...3443
Collage...3444
RENR3895 - Testing & Adjusting (320C Excavator Hydraulic System)...3459
Relief Valve (Main) - Test and Adjust...3460
Swing Speed and Overswing on Level Ground - Check...3485
Travel Motor - Test - Measurement of Case Drain Oil...3493
Travel on Level Ground - Test...3497
Cylinder Drift - Check - Loaded Bucket...3500
Travel on Level Ground - Test - Optional Test...3517
Operational Checks...3520
Specifications...3522
Visual Inspection...3529
Relief Valve (Pilot) - Test and Adjust...3530
Pump Control (Negative Flow) - Adjust...3532
General Testing and Adjusting Information...3540
Solenoid Valve (Swing Parking Brake) - Test...3542
Gear Pump (Pilot) - Test...3549
Hydraulic System Pressure - Release...3556
Swing Bearing Movement - Measure...3561
Machine Drift on a Slope - Check...3565
Main Hydraulic Pump Air - Purge...3568
Engine Performance - Test - Engine Speed...3574
Pump Control (Negative Flow) - Test...3576
Accumulator (Pilot) - Test and Charge...3579
RENR7055 - Schematic (320C Excavator Electrical Schematic (Attachment) Combined Function)...3585
Main...3586
Collage...3588
RENR7056 - Schematic (320C Excavator Electrical Schematic (Attachment) Medium Pressure)...3612
Main...3613
Collage...3615
RENR7087 - Schematic (320C Excavator and 320C Material Handler Electrical System)...3627
Main...3628
Features...3628
Cover Page...3629
Information...0
Component Location...0
Page 1 of 2...3630
Page 2 of 2...3631
Connector Location...3632
CID / MID / FMI...3633
Specification and Related Manuals...3634
Standard Electrical...3635
Schematic...3636
Machine View...0
Machine Harness Connector and Component Locations...3637
Collage...3638
RENR7159 - Schematic (320C Excavator Hydraulic System - Attachment)...3653
Main...3654
Features...3654
Cover Page...3655
Information...0
Component Location...3656
Tap Location...3657
Fluid Power Symbols...3658
Electrical Symbols...3659
Schematic...3660
Machine Views...0
Machine Component Locations...3661
Main Pump And Filter Circuits...3662
Collage...3663
RENR7187 - Schematic (320C and 325C Excavators Hydraulic System - attachment System 17Combined Function_Auxiliary Pump_Joystick with Slide Control)...3678
RENR7246 - Schematic (320C Excavator Hydraulic System - Attachment - VA Boom with Combined Function)...3680
Main...3681
Collage...3683
RENR7269 - Schematic (320C Excavator Hydraulic System (Attachment) VA Boom)...3695
Main...3696
RENR7275 - Schematic (Air Conditioning Electrical System (320C and 322C))...3698
Main...3699
Collage...3701
Caterpillar 320C and 322C Excavators Repair Service Manual
