Caterpillar 320C 322C Excavator Workshop Repair Service Manual PDF - MCAT320C322COPES.zip
A full workshop service repair manual featuring Electrical Wiring Diagrams for the Caterpillar 320C and 322C Excavators, packed with every technical detail needed to service, troubleshoot, fix, and rebuild these machines just like expert technicians.
Covered within the Caterpillar 320C and 322C Excavators workshop service repair manual:
* 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