Complete workshop repair service manual with electrical wiring diagrams for Caterpillar 314C Excavators. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Caterpillar 314C Excavators service repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

 KENR9522 - Schematic (311C U, 312C, 314C, 315C, 318C Excavator Electrical System - Attachment)
    Collage.pdf
    Main.pdf
 RENR5557 - Systems Operation (311C & 314C Excavators Electric and Electronic)
    Basic Operation.pdf
    Electrical System.pdf
    Engine Control System.pdf
    General Information.pdf
    Monitoring System.pdf
 RENR5557 - Testing & Adjusting (311C & 314C Excavators Electric and Electronic)
    Acceleration Cable and Deceleration Cable - Adjust.pdf
    Alarm Indicator for Engine Oil Pressure Is Illuminated and Action Alarm Is Activated - Troubleshoot.pdf
    Calibration Mode - Enter.pdf
    Charge Alarm Indicator Is Illuminated - Troubleshoot.pdf
    Charging System - Test.pdf
    Chassis Light Does Not Illuminate - Troubleshoot.pdf
    Circuit 303-BR - Troubleshoot.pdf
    Circuit 332-BU - Troubleshoot.pdf
    Controller Connector Contact Identification.pdf
    Controller - Replace.pdf
    Controller - Troubleshoot.pdf
    Dome Light Does Not Illuminate - Troubleshoot.pdf
    Electrical System Troubleshooting.pdf
    Engine Coolant Temperature Gauge Reads High or Gauge Quickly Moves Beyond Operating Range - Troubleshoot.pdf
    Engine Coolant Temperature Gauge Reads Low or Gauge Does Not Move - Troubleshoot.pdf
    Engine Speed Dial Does Not Work - Troubleshoot.pdf
    Engine Speed Does Not Respond to Engine Speed Dial - Troubleshoot.pdf
    Engine Stalls - Troubleshoot.pdf
    Fuel Gauge Reads High or Gauge Quickly Moves Beyond Operating Range - Troubleshoot.pdf
    Fuel Gauge Reads Low or Gauge Does Not Move - Troubleshoot.pdf
    General Information.pdf
    Governor Actuator - Calibrate.pdf
    Governor Actuator - Check.pdf
    Harness and Wire Identification.pdf
    High Speed Mode for Travel Does Not Activate - Troubleshoot.pdf
    Horn Does Not Sound - Troubleshoot.pdf
    Hydraulic Oil Temperature Gauge Reads High or Gauge Quickly Moves Beyond Operating Range - Troubleshoot.pdf
    Hydraulic Oil Temperature Gauge Reads Low or Gauge Does Not Move - Troubleshoot.pdf
    Implement Pressure Switch - Troubleshoot.pdf
    Indicator for Air Inlet Heater Does Not Illuminate - Troubleshoot.pdf
    Indicators Do Not Illuminate and Action Alarm Does Not Sound - Troubleshoot.pdf
    Indicators Do Not Illuminate - Troubleshoot.pdf
    Low Idle Indicator Does Not Respond to Low Idle Switch - Troubleshoot.pdf
    Low Idle System Does Not Respond to Low Idle Switch - Troubleshoot.pdf
    Monitor - Disassemble.pdf
    No Power - Troubleshoot.pdf
    Panel Light for Monitor Does Not Illuminate - Troubleshoot.pdf
    Power to Switch Panel - Troubleshoot.pdf
    Proportional Reducing Valve - Calibrate.pdf
    Radio Does Not Activate - Troubleshoot.pdf
    Radio Does Not Sound - Troubleshoot.pdf
    Service Hour Meter Does Not Activate - Troubleshoot.pdf
    Service Tools.pdf
    Speed Sensor - Replace.pdf
    Speed Sensor - Troubleshoot.pdf
    Starting Motor Does Not Rotate - Troubleshoot.pdf
    System Schematic.pdf
    Timer - Troubleshoot.pdf
    Travel Alarm Does Not Sound - Troubleshoot.pdf
    Travel Alarm Sounds while Travel Controls Are Released - Troubleshoot.pdf
    Travel Pressure Switch - Troubleshoot.pdf
    Window Washer Does Not Activate - Troubleshoot.pdf
    Wiper Motor Does Not Rotate - Troubleshoot.pdf
    Wiper Motor Does Not Stop - Troubleshoot.pdf
 RENR5599 - Specifications (308C CR, 314C CR and 321C CR Excavators Air Conditioning and Heating)
    Air Conditioner Lines.pdf
    Blower Motor.pdf
    Pressure Switch (Refrigerant Pressure Cutoff).pdf
    Refrigerant Compressor.pdf
    System Capacities for Refrigerant (Excavators) - 308C CR-321C CR.pdf
    System Schematic.pdf
 RENR5599 - Systems Operation (308C CR, 314C CR and 321C CR Excavators Air Conditioning and Heating)
    Actuator (Air Conditioner Control).pdf
    Air Conditioning and Heating System Sensor Operation.pdf
    Air Conditioning System.pdf
    Air Conditioning System Schematic.pdf
    Blower Motor.pdf
    Control Panel.pdf
    Evaporator Coil.pdf
    General Information.pdf
    Heater Core (Cab).pdf
    Heater System (Cab).pdf
    Heating System Schematic.pdf
    Motor (Air Conditioner Control).pdf
    Refrigerant Compressor.pdf
    Refrigerant Condenser.pdf
    Refrigerant Expansion Valve.pdf
    Refrigerant Receiver-Dryer.pdf
    Speed Control - Power Transistor.pdf
 RENR5599 - Testing & Adjusting (308C CR, 314C CR and 321C CR Excavators Air Conditioning and Heating)
    Actuator Troubleshooting - Abnormal Detection.pdf
    Air Conditioning System Schematic.pdf
    Air Conditioning System Troubleshooting - Guide for Actuators.pdf
    Air Conditioning System Troubleshooting - Guide for Sensors.pdf
    Belt - Test.pdf
    General Troubleshooting Information.pdf
    Heating System Schematic.pdf
    Manifold Gauge Set (Refrigerant) - Install.pdf
    Manifold Gauge Set (Refrigerant) - Remove.pdf
    Refrigerant Compressor Oil - Check.pdf
    Refrigerant Leakage - Test.pdf
    Refrigerant Recovery.pdf
    Refrigerant System - Charge.pdf
    Refrigerant System - Evacuate.pdf
    Refrigerant System - Flush.pdf
    Required Tools.pdf
    Sensor Troubleshooting.pdf
    Visual Inspection.pdf
 RENR6604 - Disassembly & Assembly (314C ExcavatorEngine Supplement)
    Air Cleaner - Remove and Install.pdf
    Air Conditioner Dryer - Remove and Install.pdf
    Air Inlet Heater - Remove and Install.pdf
    Alternator - Remove and Install.pdf
    Crankshaft Vibration Damper and Pulley - Remove and Install.pdf
    Cylinder Head - Install.pdf
    Cylinder Head - Remove.pdf
    Electric Starting Motor - Remove and Install.pdf
    Engine - Install.pdf
    Engine Oil Filter and Oil Filter Base - Remove and Install.pdf
    Engine Oil Level Gauge (Dipstick) - Remove and Install.pdf
    Expansion Tank - Remove and Install.pdf
    Fan Guard - Remove and Install.pdf
    Flywheel and Ring Gear - Remove and Install.pdf
    Fuel Filter (Primary) and Fuel Filter Base - Remove and Install.pdf
    Fuel Priming Pump - Remove and Install.pdf
    Governor Control Motor - Remove and Install.pdf
    Hood - Remove and Install.pdf
    Hydraulic Oil Cooler - Remove.pdf
    Muffler - Remove and Install.pdf
    Oil Pan - Remove and Install.pdf
    Radiator - Install.pdf
    Refrigerant Compressor - Remove and Install.pdf
    Refrigerant Condenser - Remove and Install.pdf
    System Pressure - Release.pdf
    Turbocharger - Install.pdf
    Turbocharger - Remove.pdf
    V-Belts - Remove and Install.pdf
    Water Pump - Install.pdf
    Water Pump - Remove.pdf
    Water Separator - Remove and Install.pdf
 RENR6605 - Specifications (314C CR Excavator Machine System Specifications)
    Accumulator (Pilot).pdf
    Blade Cylinder Lines.pdf
    Blade Lift Cylinder.pdf
    Blade Mounting.pdf
    Boom - 4650 mm (15 feet 3 inch).pdf
    Boom Cylinder Lines - Left Hand.pdf
    Boom Cylinder Lines - Right Hand.pdf
    Boom Cylinder.pdf
    Boom Lines - Auxiliary.pdf
    Boom Lines - Coupler.pdf
    Boom Lines.pdf
    Boom.pdf
    Bucket Adjuster.pdf
    Bucket Cylinder Lines.pdf
    Bucket Cylinder.pdf
    Bucket Linkage.pdf
    Bucket Sidecutter.pdf
    Cab Mounting.pdf
    Check Valve (Return Lines).pdf
    Control Valve (Blade).pdf
    Counterweight Mounting.pdf
    Final Drives and Travel Motors.pdf
    Front Idler.pdf
    Front Lines.pdf
    Fuel Tank.pdf
    Hydraulic Tank and Filter.pdf
    Joystick Control.pdf
    Main Hydraulic Pump Mounting.pdf
    Main Hydraulic Pump .pdf
    Main Hydraulic Pump.pdf
    Oil Filter (Hydraulic) - Case Drain.pdf
    Pilot Lines - Front.pdf
    Pilot Lines - Rear.pdf
    Pilot Valve (Joystick).pdf
    Pilot Valve (Oil Manifold).pdf
    Pilot Valve (Travel).pdf
    Pressure Reducing Valve (Boom Priority).pdf
    Pressure Reducing Valve (Boom Shock).pdf
    Pump Head (Main).pdf
    Pump Lines (Main).pdf
    Recoil Spring.pdf
    Return and Oil Filter Lines.pdf
    Stick - 2500 mm (8 feet 2 inch).pdf
    Stick - 3000 mm (9 feet 10 inch).pdf
    Stick Cylinder Lines.pdf
    Stick Cylinder.pdf
    Stick Lines - Auxiliary Hydraulic 2500 mm (8 feet 2 inch).pdf
    Stick Lines - Auxiliary Hydraulic 3000 mm (9 feet 10 inch).pdf
    Stick Lines.pdf
    Swing Drive.pdf
    Swing Gear and Bearing.pdf
    Swing Motor Lines.pdf
    Swing Motor.pdf
    Swivel.pdf
    Track Carrier Roller.pdf
    Track.pdf
    Track Roller Mounting.pdf
    Track Roller (Single Flange).pdf
    Travel Motor Guard.pdf
    Travel Motor Lines.pdf
    Upper Frame.pdf
 RENR6606 - Systems Operation (314C CR Excavator Hydraulic System)
    Accumulator (Pilot).pdf
    Blade Hydraulic System.pdf
    Boom Cylinder Decompression System.pdf
    Boom Hydraulic System.pdf
    Bucket Hydraulic System.pdf
    Check Valve (Load).pdf
    Combined Function Hydraulic System.pdf
    Control Valve (Boom Lowering).pdf
    Control Valve (Stick Lowering).pdf
    Control Valve (Straight Travel).pdf
    Cylinders (Boom, Stick and Bucket).pdf
    Displacement Change Valve.pdf
    Final Drive.pdf
    Gear Pump (Pilot).pdf
    General Information.pdf
    Hydraulic Filter (Pilot).pdf
    Hydraulic Tank and Filter.pdf
    Main Control Valve.pdf
    Main Hydraulic Pump.pdf
    Main Hydraulic System.pdf
    Negative Flow Control System.pdf
    Oil Makeup (Travel System).pdf
    One-Way Flow Hydraulic System.pdf
    Pilot Hydraulic System.pdf
    Pilot Valve (Joystick).pdf
    Pilot Valve (Travel and Steering).pdf
    Pump Control (Main Hydraulic).pdf
    Relief Valve (Line and Makeup).pdf
    Relief Valve (Main).pdf
    Relief Valve (Pilot).pdf
    Return Hydraulic System.pdf
    Solenoid Valve (Hydraulic Activation).pdf
    Solenoid Valve (Proportional Reducing).pdf
    Stick Hydraulic System.pdf
    Swing Drive.pdf
    Swing Hydraulic System.pdf
    Swing Motor.pdf
    Swing Parking Brake.pdf
    Swivel.pdf
    Travel Counterbalance Valve.pdf
    Travel Hydraulic System.pdf
    Travel Motor.pdf
    Travel Parking Brake.pdf
    Two Pump Hydraulic System.pdf
    Two-Way Flow Hydraulic System.pdf
 RENR6607 - Testing & Adjusting (314C CR Excavator Hydraulic System)
    Accumulator (Pilot) - Test and Charge.pdf
    Cylinder Drift - Check - Blade (If Equipped).pdf
    Cylinder Drift - Check - Empty Bucket.pdf
    Cylinder Drift - Check - Loaded Bucket.pdf
    Cylinder Speed - Check - Blade (If Equipped).pdf
    Cylinder Speed - Check - Boom, Stick and Bucket.pdf
    Engine Performance - Test - Engine Speed.pdf
    Flow Meter and Hose Setup - Basic.pdf
    Gear Pump (Blade) - Test.pdf
    Gear Pump (Pilot) - Test.pdf
    General Testing and Adjusting Information.pdf
    Hydraulic System Pressure - Release.pdf
    Hydraulic System - Setup.pdf
    Machine Drift on a Slope - Check.pdf
    Main Hydraulic Pump Air - Purge.pdf
    Main Pump (Flow) - Test.pdf
    One-Way Hydraulic System - Calibrate.pdf
    Operational Checks.pdf
    Overload Warning - Set - If Equipped.pdf
    Pump Control (Negative Flow) - Adjust.pdf
    Pump Control (Negative Flow) - Test.pdf
    Pump Control (Output Flow) - Adjust.pdf
    Relief Valve (Auxiliary) - Test and Adjust - Two-Way Work Tool.pdf
    Relief Valve (Blade) - Test and Adjust.pdf
    Relief Valve (Crossover) - Test and Adjust.pdf
    Relief Valve (Line) - Test and Adjust - Boom Lowering Control Valve.pdf
    Relief Valve (Line) - Test and Adjust.pdf
    Relief Valve (Line) - Test and Adjust - Stick Lowering Control Valve.pdf
    Relief Valve (Main) - Test and Adjust.pdf
    Relief Valve (Pilot) - Test and Adjust.pdf
    Relief Valve (Swing) - Test and Adjust.pdf
    Specifications.pdf
    Swing Motor - Test - Measurement of Case Drain Oil.pdf
    Swing Speed and Overswing on Level Ground - Check.pdf
    Swing Speed and Swing Drift on a Slope - Check.pdf
    Travel Motor - Test - Measurement of Case Drain Oil.pdf
    Travel on Level Ground - Test - Optional Test.pdf
    Travel on Level Ground - Test.pdf
    Visual Inspection.pdf
 RENR6609 - Schematic (313C & 314C Excavator Hydraulic System)
    Collage.pdf
    Main.pdf
 RENR6613 - Disassembly & Assembly (314C Excavator Excavator Systems)
    Accumulator - Remove and Install.pdf
    Actuator Motor (Damper Assembly) - Remove and Install.pdf
    Assembly Procedure for the Travel Motor.pdf
    Blade Cylinder - Remove and Install.pdf
    Blade - Remove and Install.pdf
    Boom Bearings and Seals - Install.pdf
    Boom Bearings and Seals - Remove.pdf
    Boom Cylinder - Remove and Install.pdf
    Boom Lighting - Remove and Install.pdf
    Bucket Cylinder - Remove and Install.pdf
    Bucket - Install.pdf
    Bucket Linkage Bearings and Seals - Install.pdf
    Bucket Linkage Bearings and Seals - Remove.pdf
    Bucket - Remove.pdf
    Cab - Install.pdf
    Cab - Remove.pdf
    Check Valve (Cooler Bypass) - Assemble.pdf
    Check Valve (Cooler Bypass) - Disassemble.pdf
    Check Valve (Cooler Bypass) - Install.pdf
    Check Valve (Cooler Bypass) - Remove.pdf
    Control Valve (Blade) - Disassemble.pdf
    Control Valve (Blade) - Install.pdf
    Control Valve (Blade) - Remove.pdf
    Counterweight - Remove and Install.pdf
    Disassembly Procedure.pdf
    Duo-Cone Conventional Seals - Install.pdf
    Evaporator Coil - Install.pdf
    Evaporator Coil - Remove.pdf
    Final Drive and Travel Motor - Install.pdf
    Final Drive and Travel Motor - Remove.pdf
    Final Drive Sprocket - Remove and Install.pdf
    Flow Control Valve (Boom Cylinder Decompression) - Assemble.pdf
    Flow Control Valve (Boom Cylinder Decompression) - Disassemble.pdf
    Flow Control Valve (Boom Cylinder Decompression) - Install.pdf
    Flow Control Valve (Boom Cylinder Decompression) - Remove.pdf
    Front Idler and Recoil Spring - Install.pdf
    Front Idler and Recoil Spring - Remove.pdf
    Fuel Tank - Install.pdf
    Fuel Tank - Remove.pdf
    Gear Pump (Blade) - Assemble.pdf
    Gear Pump (Blade) - Disassemble.pdf
    Gear Pump (Blade) - Install.pdf
    Gear Pump (Blade) - Remove.pdf
    Gear Pump (Pilot) - Assemble.pdf
    Gear Pump (Pilot) - Disassemble.pdf
    Gear Pump (Pilot) - Install.pdf
    Gear Pump (Pilot) - Remove.pdf
    Handle (Joystick) - Remove and Install.pdf
    Heater Core - Install.pdf
    Heater Core - Remove.pdf
    Heating and Air Conditioning Unit - Install.pdf
    Heating and Air Conditioning Unit - Remove.pdf
    Hydraulic Controls Activation Lever - Assemble.pdf
    Hydraulic Controls Activation Lever - Disassemble.pdf
    Hydraulic Controls Activation Lever - Install.pdf
    Hydraulic Controls Activation Lever - Remove.pdf
    Hydraulic Tank and Filter - Install.pdf
    Hydraulic Tank and Filter - Remove.pdf
    Installation Procedure .pdf
    Installation Procedure.pdf
    Main Control Valve - Assemble.pdf
    Main Control Valve - Disassemble.pdf
    Main Control Valve - Install.pdf
    Main Control Valve - Remove.pdf
    Main Hydraulic Pump - Install 01_03_2017.pdf
    Main Hydraulic Pump - Remove.pdf
    Operator Console - Remove and Install.pdf
    Pilot Valve (Blade) - Assemble.pdf
    Pilot Valve (Blade) - Disassemble.pdf
    Pilot Valve (Blade) - Install.pdf
    Pilot Valve (Blade) - Remove.pdf
    Pilot Valve (Implement) - Assemble.pdf
    Pilot Valve (Implement) - Disassemble.pdf
    Pilot Valve (Implement) - Install.pdf
    Pilot Valve (Joystick) - Assemble.pdf
    Pilot Valve (Joystick) - Disassemble.pdf
    Pilot Valve (Joystick) - Remove.pdf
    Pilot Valve (Oil Manifold) - Assemble.pdf
    Pilot Valve (Oil Manifold) - Install.pdf
    Pilot Valve (Oil Manifold) - Remove.pdf
    Pilot Valve (Travel) - Assemble.pdf
    Pilot Valve (Travel) - Disassemble.pdf
    Pilot Valve (Travel) - Install.pdf
    Pilot Valve (Travel) - Remove.pdf
    Pressure Switch (Refrigerant Pressure Cutoff) - Remove and Install.pdf
    Pump Control - Assemble.pdf
    Pump Control - Disassemble.pdf
    Pump Control - Install.pdf
    Pump Control - Remove.pdf
    Recoil Spring - Assemble.pdf
    Recoil Spring - Disassemble.pdf
    Seat - Remove and Install.pdf
    Seat Support - Remove and Install.pdf
    Speed Control - Remove and Install.pdf
    Stick Bearings and Seals - Install.pdf
    Stick Bearings and Seals - Remove.pdf
    Stick - Install.pdf
    Stick - Remove.pdf
    Swing Drive - Disassemble - Older Style.pdf
    Swing Drive - Install.pdf
    Swing Drive - Remove.pdf
    Swing Gear and Bearing - Remove and Install.pdf
    Swing Motor - Assemble.pdf
    Swing Motor - Disassemble.pdf
    Swing Motor - Install.pdf
    Swing Motor - Remove.pdf
    Swivel - Assemble.pdf
    Swivel - Disassemble.pdf
    Swivel - Remove.pdf
    System Pressure - Release.pdf
    Temperature Sensor (Ambient Air) - Remove and Install.pdf
    Track Adjuster - Assemble.pdf
    Track Adjuster - Disassemble.pdf
    Track Adjuster - Install.pdf
    Track Adjuster - Remove.pdf
    Track Carrier Roller - Install.pdf
    Track Carrier Roller - Remove.pdf
    Track - Connect.pdf
    Track Roller - Install.pdf
    Track - Separate.pdf
    Two Pump) - Remove and Install.pdf
    Undercarriage Frame - Install.pdf
    Undercarriage Frame - Remove.pdf
 RENR6615 - Schematic (314C Excavator Electrical System)
    Collage.pdf
    Main.pdf
 RENR6657 - Schematic (314C CR Excavator with Blade Hydraulic System (Attachment))
    Collage.pdf
    Main.pdf
 RENR9140 - Schematic (314C Excavator Hydraulic System (Attachment))
    Collage.pdf
    Main.pdf
 RENR9149 - Schematic (314C Excavator Hydraulic System (Attachment))
    Collage.pdf
    Main.pdf
 SENR6572 - Disassembly & Assembly (Disassembly & Assembly ZEXEL FUEL SYSTEM)
    Fuel Priming and Transfer Pump.pdf
    Fuel Pump Housing.pdf
    Governor.pdf
 SENR6572 - Systems Operations (Disassembly & Assembly ZEXEL FUEL SYSTEM).pdf
 SENR6572 - Testing & Adjusting (Disassembly & Assembly ZEXEL FUEL SYSTEM).pdf
 UENR3207 - Schematic (314C Excavator Electrical System)
    Collage.pdf
    Main.pdf
 UENR3208 - Schematic (314C Excavator Electrical System)
    Collage.pdf
    Main.pdf
 UENR3209 - Schematic (314C Excavator Electrical System)
    Collage.pdf
    Main.pdf
 UENR3210 - Schematic (314C Excavator Electrical System)
     Collage.pdf
     Main.pdf
...