Service manual Caterpillar D6N XL, LGP Differential Steering, Electrohydraulic Implement TRACK-TYPE TRACTOR with C6.6 Engine | MLW00001-UP

Air Conditioning and Heating R134a for All Caterpillar Machines
– Refrigerant Compressor
– System Capacities for Refrigerant (Off-Highway Trucks)
– General Information
– Identifying the Refrigerant
– Identifying the Air Conditioning System
– Identifying the Heating System
– Refrigerant Expansion Valve System
– Refrigerant Orifice Tube System
– Refrigerant Compressor
– Refrigerant Condenser
– Refrigerant Receiver-Dryer
– Refrigerant Compressor
– Refrigerant Expansion Valve
– In-line Refrigerant Dryer
– Refrigerant Orifice Tube Assembly
– Evaporator Coil
– Refrigerant Accumulator
– Refrigerant Compressor Protection System
– Temperature Control
– Pressure Switch (Refrigerant)
– Cab Pressurization and Filtration System
– Condensate Drainage System
– Refrigerant Compressor
– Service Intervals
– Glossary of Terms
– Required Tools
– Machine Preparation for Troubleshooting
– General Troubleshooting Information
– General Troubleshooting Information
– Visual Inspection (Troubleshooting)
– Air Conditioning System Troubleshooting
– Heating System Troubleshooting
– Automatic Temperature Control System (ECM Controlled)
– Refrigerant Compressor
– Troubleshooting Heating and Air Conditioning Control System
– Troubleshooting Heating and Air Conditioning Control System
– Automatic Temperature Control Panel Troubleshooting – 584
– Troubleshooting Condensate Drainage System
– Machine Preparation for Testing and Adjusting
– Air Conditioning Performance – Test
– Refrigerant Leakage – Test
– Manifold Gauge Set (Refrigerant) – Install
– Refrigerant Recovery
– Refrigerant System – Flush
– Refrigerant Compressor
– Refrigerant Oil – Test
– Refrigerant Compressor – Test
– Refrigerant System – Evacuate
– Refrigerant System – Charge
– Manifold Gauge Set (Refrigerant) – Remove
– Compressor Protection System – Test
– Electronic Heat Control – Test
– Heater Performance – Test
– Heating and Air Conditioning Service Publications
– General Information
– Refrigerant Compressor
– Machine Preparation for Disassembly and Assembly
– Air Conditioner Lines – Remove and Install
– Refrigerant Compressor – Remove and Install
– Refrigerant Accumulator – Remove and Install
– Refrigerant Expansion Valve – Remove and Install
– Refrigerant Receiver-Dryer – Remove and Install
– In-Line Refrigerant Dryer – Remove and Install
– Refrigerant Orifice Tube Assembly – Remove and Install
– Refrigerant Compressor
– System Capacities for Refrigerant (Motor Graders)
– System Capacities for Refrigerant (Off-Highway Trucks) –
– Refrigerant Compressor
D6N Track-Type Tractor Hydraulic System
– Accumulator
– Accumulator (Pilot) – Test and Charge
– Angle Cylinder (Bulldozer)
– Angle Cylinder (Bulldozer) – VPAT Only
– Bulldozer Blade
– Bulldozer Blade
– Bulldozer Blade
– Bulldozer Blade
– Bulldozer Blade
– Bulldozer Blade
– Bulldozer Blade
– Bulldozer Blade – SU Blade Only
– Bulldozer Brace – Arm Group – SU
– Bypass Valve (Hydraulic Oil Cooler)
– C-Frame
– C-Frame
– Case Pressure (Steering Pump) – Check
– Configuration Parameters
– Control Group (Implement)
– Control Valve (Bulldozer Angle)
– Control Valve (Bulldozer Lift)
– Control Valve (Bulldozer Tilt)
– Control Valve (Implement)
– Control Valve (Implement) – Valve Bank (Four)
– Control Valve (Implement) – Valve Bank (Three)
– Control Valve (Ripper)
– Cutting Edges and End Bits
– Cutting Edges and End Bits
– Cutting Edges and End Bits
– Cylinder Mounting – SU Bulldozer Only
– Electrical Input Components
– Electrical Output Components
– Electronic Control Module (Machine)
– General Information (Hydraulic System)
– General Information (Steering)
– Graphic Color Codes
– Hydraulic Manifold (Bank Valve Inlet)
– Hydraulic Manifold (Bank Valve Outlet)
– Hydraulic Tank and Filter
– Hydraulic Tank and Filter
– Implement Operator Control – Calibrate
– Implement Solenoid Valve – Calibrate
– Lift Cylinder (Bulldozer) – SU Bulldozer Only
– Lift Cylinder (Bulldozer) – VPAT Bulldozer Only
– Lift Cylinder (Ripper)
– Line Relief and Makeup Valve
– Location of Electrical Components
– Location of Hydraulic Components
– Location of Steering Components
– Machine Preparation
– Modes of Operation (Steering Hydraulic System)
– Neutral Adjustment (Steering Pump) – Test and Adjust
– Oil Cooler (Steering)
– Oil Filter (Case Drain)
– Oil Filter (Case Drain)
– Oil Filter (Charge Pump)
– Operational Checks
– Pilot Lines
– Piston Motor (Steering)
– Piston Motor (Steering)
– Piston Pump (Implement)
– Piston Pump (Implement)
– Piston Pump (Implement) – Test and Adjust
– Piston Pump (Steering)
– Piston Pump (Steering)
– Pressure Taps
– Proportional Priority Pressure Compensation System
– Proportional Priority Pressure Compensation System – Test
– Relief Valve (Charge) – Test and Adjust
– Relief Valve (Ripper)
– Relief Valve – Test and Adjust
– Relief Valve For Head and Rod End of Angle Cylinder
– Relief Valve For Rod End of Lift Cylinders (Bulldozer)
– Ripper
– Ripper Mounting
– Sprocket Speed (Final Drive) – Check
– Steering – Calibrate
– Steering and Transmission Hand Control
– Steering Charge Circuit Filter
– Steering Hydraulic Circuit – Test and Adjust
– Steering Radius – Check
– Tilt Cylinder (Bulldozer) – SU Bulldozer Only
– Tilt Cylinder (Bulldozer) – VPAT Bulldozer Only
– Tilt Cylinder (Bulldozer) – VPAT Bulldozer Only
D6N Track-Type Tractor Machine Systems
– Air Cleaner
– Air Conditioner Lines
– Air Conditioner Lines
– Air Precleaner
– Battery and Wiring Group
– Battery and Wiring Group
– Bottom Guard
– Bottom Guard
– Bulldozer Trunnion
– Bulldozer Trunnion
– Case and Frame
– Circuit Breakers
– Drawbar
– Electrical Features
– Fast Fill Fuel Adapter
– Fender
– Fender
– Fender
– Fuel Tank
– Instrument Console
– Operator Console
– Platform – Enclosure
– Platform Mounting
– Radiator Guard and Support
– Ripper Mounting
– Sweep Group
– Winch Mounting
– Window Wiper and Wiper Motor
D6N Track-Type Tractor Monitoring System
– Connector Contact Description
– Connector Locations
– Data Link
– Diagnostic Capabilities
– Diagnostic Code List
– Diagnostic Operation
– Display Module
– Electrical Connector – Inspect
– General Information
– General Information
– Menus (Instrument Cluster)
– MID 053 – CID 0247 – FMI 09
– MID 053 – CID 0247 – FMI 14
– MID 053 – CID 0271 – FMI 03
– MID 053 – CID 0271 – FMI 05
– MID 053 – CID 0271 – FMI 06
– Module – Flash Program
– Module – Replace
– Monitoring System
– Output Components
– Power Supply Circuit
– Self Test
– Service Tools
– System Schematic
– Using Caterpillar Electronic Technician to Determine
– Using the Operator Monitor to Determine Diagnostic Codes
– Warning Operation
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
D6N Track-Type Tractor Power Train
– Accumulator
– Accumulator – Test and Charge
– Bevel and Transfer Gears
– Bevel and Transfer Gears
– Bevel and Transfer Gears
– Brake – Calibrate
– Brake and Planetary
– Brake Control Valve
– Brake Control Valve
– Brake Pressure – Test
– Calibrations (Cat ET)
– Decelerator Pedal and Brake Pedal
– Differential Drive and Brake Group
– Differential Steering System
– Drive Shaft
– Electrical Input Components
– Electrical Output Components
– Equalizer Bar
– Equalizer Bar
– Final Drive
– Final Drive
– Final Drive
– Gear Pump (Power Train)
– Gear Pump (Power Train)
– General Information
– Graphic Color Codes
– Idlers (Track)
– Idlers (Track)
– Location of Electrical Components
– Location of Power Train Components
– Machine Preparation
– Magnetic Screen
– Oil Filter (Power Train)
– Oil Filter (Power Train)
– Pivot Shaft
– Pivot Shaft
– Pivot Shaft
– Pivot Shaft
– Pressure Charts
– Pressure Taps
– Recoil Group
– Recoil Group
– Relief Valve (Torque Converter Inlet)
– Relief Valve (Torque Converter Inlet) Pressure – Test and
– Relief Valve (Torque Converter Outlet)
– Relief Valve (Torque Converter Outlet) Pressure – Test and
– Relief Valve (Transmission Hydraulic Control)
– Relief Valve (Transmission) – Test and Adjust
– Service Brakes
– Speed Sensor – Adjust
– Sprocket Segment
– System Schematic
– System Schematic
– Torque Converter
– Torque Converter
– Torque Converter
– Torque Converter and Pump Drive Housing
– Torque Converter and Pump Drive Housing
– Torque Converter Hydraulic System
– Track Carrier Roller
– Track Carrier Roller
– Track Idler
– Track Idler Cap
– Track Roller
– Track Roller
– Track Roller – Double Flange
– Track Roller – Double Flange-Heavy Duty
– Track Roller Frame
– Track Roller Frames
– Track Roller Frames
– Tracks
– Tracks – Heavy Duty
– Tracks – System One
– Tracks – System One
– Transmission
– Transmission
– Transmission
– Transmission Direction Control – Calibrate
– Transmission Fill – Calibrate
– Transmission Hydraulic Control
– Transmission Hydraulic Control
– Transmission Hydraulic Control
– Transmission Lubrication
– Transmission Mounting
– Undercarriage
Disassembly and Assembly C6.6 Engines for Caterpillar Built Machines
– Accessory Drive – Remove and Install
– Air Compressor – Remove and Install
– Alternator – Install – Alternators with Mounting Lugs
– Alternator – Install – Alternators with Mounting Pads
– Alternator – Remove – Alternators with Mounting Lugs
– Alternator – Remove – Alternators with Mounting Pads
– Alternator Belt – Remove and Install
– Bearing Clearance – Check
– Boost Pressure Sensor – Remove and Install
– Camshaft – Remove and Install
– Camshaft Bearings – Remove and Install
– Camshaft Gear – Remove and Install
– Connecting Rod Bearings – Install – Connecting rods in position
– Connecting Rod Bearings – Remove – Connecting rods in
– Coolant Temperature Sensor – Remove and Install
– Crankcase Breather – Install – Filtered Breather
– Crankcase Breather – Install – Unfiltered Breather
– Crankcase Breather – Remove – Filtered Breather
– Crankcase Breather – Remove – Unfiltered Breather
– Crankshaft – Install
– Crankshaft – Remove
– Crankshaft Front Seal – Remove and Install
– Crankshaft Gear – Remove and Install
– Crankshaft Main Bearings – Remove and Install – Crankshaft
– Crankshaft Rear Seal – Install
– Crankshaft Rear Seal – Remove
– Crankshaft Timing Ring – Remove and Install
– Cylinder Head – Install
– Cylinder Head – Remove
– ECM Mounting Bracket – Remove and Install
– Electric Starting Motor – Remove and Install
– Electronic Control Module – Remove and Install
– Electronic Unit Injector – Install
– Electronic Unit Injector – Remove
– Engine Oil Cooler – Install – Engine Oil Cooler with a High
– Engine Oil Cooler – Install – Engine Oil Cooler with a Low
– Engine Oil Cooler – Remove – Engine Oil Cooler with a High
– Engine Oil Cooler – Remove – Engine Oil Cooler with a Low
– Engine Oil Filter Base – Remove and Install
– Engine Oil Pan – Install – Aluminum Oil Pan
– Engine Oil Pan – Install – Cast Iron Oil Pan
– Engine Oil Pan – Remove – Aluminum Oil Pan
– Engine Oil Pan – Remove – Cast Iron Oil Pan
– Engine Oil Pan Plate – Remove and Install – Aluminum Oil Pan
– Engine Oil Pressure Sensor – Remove and Install
– Engine Oil Pump – Install
– Engine Oil Pump – Remove
– Engine Oil Relief Valve – Remove and Install
– Exhaust Elbow – Remove and Install
– Exhaust Manifold – Remove and Install – Side Mounted Exhaust
– Exhaust Manifold – Remove and Install – Top Mounted Exhaust
– Fan – Remove and Install
– Fan Drive – Remove and Install
– Flywheel – Install
– Flywheel – Remove
– Flywheel Housing – Remove and Install – Standard Housing
– Flywheel Housing – Remove and Install – Wet Back End
– Front Cover – Remove and Install
– Fuel Filter Base – Remove and Install – Secondary Fuel Filter
– Fuel Injection Lines – Install
– Fuel Injection Lines – Remove
– Fuel Injection Pump – Install
– Fuel Injection Pump – Remove
– Fuel Injection Pump Gear – Install
– Fuel Injection Pump Gear – Remove
– Fuel Manifold (Rail) – Remove and Install
– Fuel Pressure Sensor – Remove and Install
– Fuel Priming Pump – Remove and Install – Electric Fuel
– Fuel Priming Pump – Remove and Install – Mechanical Priming
– Fuel Transfer Pump – Install
– Fuel Transfer Pump – Remove
– Gear Group (Front) – Remove and Install
– Glow Plugs – Remove and Install
– Housing (Front) – Install
– Housing (Front) – Remove
– Idler Gear – Install
– Idler Gear – Remove
– Inlet Air Temperature Sensor – Remove and Install
– Inlet and Exhaust Valve Springs – Remove and Install
– Inlet and Exhaust Valves – Remove and Install
– Inlet Manifold – Remove and Install
– Lifter Group – Remove and Install
– Piston Cooling Jets – Remove and Install
– Pistons and Connecting Rods – Assemble
– Pistons and Connecting Rods – Disassemble
– Pistons and Connecting Rods – Install
– Pistons and Connecting Rods – Remove
– Position Sensor (Fuel Injection Pump) – Remove and Install
– Rocker Shaft – Assemble
– Rocker Shaft – Disassemble
– Rocker Shaft and Pushrod – Install
– Rocker Shaft and Pushrod – Remove
– Turbocharger – Assemble
– Turbocharger – Disassemble
– Turbocharger – Install – Side Mounted Turbocharger
– Turbocharger – Install – Turbocharger Top Mounted
– Turbocharger – Remove – Side Mounted Turbocharger
– Turbocharger – Remove – Turbocharger Top Mounted
– Valve Mechanism Cover – Remove and Install
– Valve Mechanism Cover – Remove and Install – Composite
– Valve Mechanism Cover Base – Remove and Install
– Valve Mechanism Cover Base – Remove and Install – Composite
– Vibration Damper and Pulley – Install – Pulley with Split Lock
– Vibration Damper and Pulley – Install – Pulleys without Split
– Vibration Damper and Pulley – Remove – Pulley with Split Lock
– Vibration Damper and Pulley – Remove – Pulleys without Split
– Wastegate Solenoid – Remove and Install
– Water Pump – Install
– Water Pump – Remove
– Water Temperature Regulator – Remove and Install
Disassembly and Assembly D6N Track-Type Tractor Engine Supplement
– Air Cleaner – Remove and Install
– Alternator – Remove and Install
– Belt Tensioner – Remove and Install
– Cooling System Package (Radiator, Aftercooler, Oil Cooler) –
– Cooling System Package (Radiator, Aftercooler, Oil Cooler) –
– Crankshaft Vibration Damper – Remove and Install
– Electric Starting Motor – Remove and Install
– Engine – Install
– Engine – Remove
– Engine Front Support – Remove and Install
– Engine Oil Filter and Base – Remove and Install
– Engine Side Guards – Remove and Install
– Fan – Remove and Install – Viscous Fan Clutch
– Fan Drive – Assemble
– Fan Drive – Disassemble
– Fan Drive – Install – Viscous Fan Clutch
– Fan Drive – Remove – Viscous Fan Clutch
– Fan Guard – Remove and Install
– Fuel Filter and Base – Remove and Install – Third Filter
– Fuel Pressure Regulator – Remove and Install
– Hood – Remove and Install
– Hydraulic Oil Cooler – Install
– Hydraulic Oil Cooler – Remove
– Muffler – Remove and Install
– Primary Fuel Filter, Water Separator and Base – Remove and
– Refrigerant Compressor – Remove and Install
– Secondary Fuel Filter and Base – Remove and Install
– Turbocharger – Remove and Install
– Water Pump (Engine) – Remove and Install
– Water Temperature Regulator – Remove and Install
Disassembly and Assembly D6N Track-Type Tractor Machine Systems
– Accumulator (Implement) – Remove and Install
– Air Conditioner Dryer – Remove and Install
– Bottom Guard – Install
– Bottom Guard – Remove
– Bulldozer (VPAT) – Install
– Bulldozer (VPAT) – Remove
– Bulldozer (VPAT) – Remove and Install
– Bulldozer Angle Cylinder (VPAT) – Remove and Install
– Bulldozer Angle Cylinder (VPAT) – Remove and Install
– Bulldozer C-Frame – Install
– Bulldozer C-Frame – Remove
– Bulldozer Lift Cylinder (VPAT) – Remove and Install
– Bulldozer Lift Cylinder (VPAT) – Remove and Install
– Bulldozer Tilt Cylinder (VPAT) – Remove and Install
– Bulldozer Tilt Cylinder (VPAT) – Remove and Install
– Cab – Install
– Cab – Remove
– Control (Joystick) – Install – Blade
– Control (Joystick) – Install – Ripper
– Control (Joystick) – Remove – Blade
– Control (Joystick) – Remove – Ripper
– Decelerator and Brake Control – Install
– Decelerator and Brake Control – Remove
– Fuel Tank – Install
– Fuel Tank – Remove
– Heater Core – Remove and Install
– Hydraulic Control Valve – Assemble
– Hydraulic Control Valve – Disassemble
– Hydraulic Control Valve – Install
– Hydraulic Control Valve – Remove
– Hydraulic System Pressure – Release
– Hydraulic Tank – Remove and Install
– Piston Pump (Implement) – Assemble
– Piston Pump (Implement) – Disassemble
– Piston Pump (Implement) – Install
– Piston Pump (Implement) – Remove
– Piston Pump (Steering) – Assemble
– Piston Pump (Steering) – Disassemble
– Piston Pump (Steering) – Install
– Piston Pump (Steering) – Remove
– Refrigerant Accumulator – Remove and Install
– Refrigerant Condenser – Remove and Install
– Refrigerant Condenser Fan and Fan Motor – Remove and
– Refrigerant Evaporator Core – Remove and Install
– Rollover Protective Structure (ROPS) – Remove and Install
– Seat – Remove and Install
– Steering and Transmission Control – Install
– Steering and Transmission Control – Remove
– Steering Motor – Assemble
– Steering Motor – Disassemble
– Steering Motor – Install
– Steering Motor – Remove
– Steering Sensor – Assemble
– Steering Sensor – Disassemble
Disassembly and Assembly D6N Track-Type Tractor Power Train
– Axle – Remove and Install
– Bevel and Transfer Gears – Assemble
– Bevel and Transfer Gears – Disassemble
– Brake Control Valve – Assemble
– Brake Control Valve – Disassemble
– Brake Control Valve – Install
– Brake Control Valve – Remove
– Drawbar – Remove and Install
– Duo-Cone Conventional Seals – Install
– Duo-Cone Inverted Seals – Install
– Equalizer Bar – Install
– Equalizer Bar – Remove
– Final Drive – Assemble
– Final Drive – Disassemble
– Final Drive – Install
– Final Drive – Remove
– Final Drive Planetary Carrier (In Chassis) – Install
– Final Drive Planetary Carrier (In Chassis) – Remove
– Final Drive, Steering Differential, and Brake (Left Side) –
– Final Drive, Steering Differential, and Brake (Left Side) –
– Final Drive, Steering Planetary, and Brake (Right Side) –
– Final Drive, Steering Planetary, and Brake (Right Side) – Install
– Front Track Roller Frame – Install
– Front Track Roller Frame – Remove
– Idler – Remove and Install
– Main Drive Shaft – Remove and Install
– Oil Filter and Base (Power Train) – Assemble
– Oil Filter and Base (Power Train) – Disassemble
– Oil Filter and Base (Power Train) – Install
– Oil Filter and Base (Power Train) – Remove
– Pivot Shaft – Remove and Install
– Power Train Oil Pump – Assemble
– Power Train Oil Pump – Disassemble
– Power Train Oil Pump – Install
– Power Train Oil Pump – Remove
– Recoil Spring – Install
– Recoil Spring – Remove
– Sprocket Segment – Remove and Install
– Steering Differential and Brake – Assemble
– Steering Differential and Brake – Disassemble
– Steering Planetary and Brake – Assemble
– Steering Planetary and Brake – Disassemble
– Torque Converter – Assemble
– Torque Converter – Disassemble
– Torque Converter – Install
– Torque Converter – Remove
– Torque Converter Outlet Relief Valve – Assemble
– Torque Converter Outlet Relief Valve – Disassemble
– Torque Converter Outlet Relief Valve – Install
– Torque Converter Outlet Relief Valve – Remove
– Track – Connect
– Track – Connect – Conventional
– Track – Separate
– Track – Separate – Conventional
– Track Adjuster – Remove and Install
– Track Master Link (Clamp) – Remove and Install – System One
– Track Roller – Remove and Install
– Track Roller Frame – Install
– Track Roller Frame – Remove
– Transmission – Assemble
– Transmission – Disassemble
– Transmission and Bevel Gears – Connect
– Transmission and Bevel Gears – Install
– Transmission and Bevel Gears – Remove
– Transmission and Bevel Gears – Separate
– Transmission Hydraulic Control Valve – Assemble
– Transmission Hydraulic Control Valve – Disassemble
– Transmission Hydraulic Control Valve – Install
– Transmission Hydraulic Control Valve – Remove
Machine Security System (MSS3i) Integrated
– System Overview
– System Components
– Data Link
– General Information
– Troubleshooting
– Key – Program
– Scheduled Access – Program – Security System Bypass
– Time – Set
– Factory Password – Obtain
– Configuration
– Machine Security System – Uninstall
– Normal Operation
– Glossary of Terms
– System Schematic
– Operation of Status Indicator
– Key Information
– Scheduled Access – “Security System Bypass Times”
– Diagnostic Operation
– Protected Functions
– Service Operation Using Service Tool
– Electronic Control Module (ECM)
– General Information
Schematic Caterpillar D6N Track – Type Tractor Power Train System
– Features
– Cover Page
– Information
– Component Location
– Tap Location
– Schematic
– Machine Views
– Front Frame
– Inside Transmission
– Power Train
– Tap Locations
Schematic Caterpillar D6N Track Type Tractor Electrical System
– Feature
– Cover Page
– Information
– Component Location
– Chassis and Cab
– Page 1 of 2
– Page 2 of 2
– Accugrade and Winch Attachments
– Connector Location
– Chassis and Cab
– Accugrade and Winch Attachments
– Schematics
– Chassis and Cab
– Accugrade and Winch Attachments
– Machine Views
– Chassis and Cab
– Cab Views – Left
– Cab Views – Pilot Station
– Cab Views – Right
– Chassis View – Left
– Chassis View – Right
– Control Valves
– Engine Left View
– Engine Right view
– Accugrade and Winch Attachments
– Cab Views – Left
– Cab Views – Pilot Station
– Cab Views – Right
– Chassis View – Left
– Chassis View – Right
– Machine view
Schematic Caterpillar D6N Track-Type Tractor Electrical System
– Feature
– Cover Page
– Information
– Component Location
– Chassis and Cab
– Accugrade and Winch Attachments
– Connector Location
– Chassis and Cab
– Accugrade and Winch Attachments
– CID/MID/FMI
– Chassis and Cab
– Accugrade and Winch Attachments
– Specifications and Related Manuals
– Chassis and Cab
– Accugrade and Winch Attachments
– Schematics
– Chassis and Cab
– Accugrade and Winch Attachments
– Machine Views
– Chassis and Cab
– Cab Left and Right side View
– Chassis Left side View
– Chassis Right side View
– Control Valves
– Engine LH View
– Engine RH View
– Operator Station
– Accugrade and Winch Attachments
– Cab Left and Right side View
– Chassis LH View
– Chassis RH View
– Control Valve View
– Machine View
– Operator Station
Schematic Caterpillar D6N Track-Type Tractor Hydraulic System
– Features
– Cover Page
– Information
– Component Table
– Tap Table
– Fluid Power Symbols
– Electrical Symbols
– Schematic
– Machine Views
– Front Frame
– Ripper
– Under Cab
– Implement Control Valve
– Remote Tap Panel
Specifications C6.6 Engines for Caterpillar Built Machines
– Alternator
– Camshaft
– Camshaft Bearings
– Connecting Rod
– Connecting Rod Bearing Journal
– Coolant Temperature Sensor
– Crankcase Breather
– Crankshaft
– Crankshaft Seals
– Cylinder Block
– Cylinder Head
– Cylinder Head Valves
– Electronic Control Module
– Engine Design
– Engine Lifting Bracket
– Engine Oil Cooler
– Engine Oil Filter Base
– Engine Oil Pan
– Engine Oil Pressure
– Engine Oil Pressure Sensor
– Engine Oil Pump
– Exhaust Manifold
– Flywheel
– Flywheel Housing
– Front Housing and Covers
– Fuel Filter Base
– Fuel Injection Lines
– Fuel Injection Nozzles
– Fuel Injection Pump
– Fuel Pressure Sensor
– Fuel Priming Pump
– Fuel Transfer Pump
– Gear Group (Front)
– Glow Plugs
– Inlet Manifold
– Inlet Manifold Air Pressure Sensor
– Inlet Manifold Temperature Sensor
– Lifter Group
– Main Bearing Journal
– Piston and Rings
– Piston Cooling Jet
– Rocker Shaft
– Speed Sensor
– Starter Motor
– Turbocharger
– Valve Mechanism Cover
– Vibration Damper and Pulley
– Water Pump
– Water Temperature Regulator and Housing
Systems Operation & Testing and Adjusting C6.6 Engines for Caterpillar Built Machines
– Air in Fuel – Test
– Air Inlet and Exhaust System
– Air Inlet and Exhaust System – Inspect
– Alternator – Test
– Basic Engine
– Battery – Test
– Charging System – Test
– Cleanliness of Fuel System Components
– Compression – Test
– Connecting Rod – Inspect
– Cooling System
– Cooling System – Check
– Cooling System – Inspect
– Cooling System – Test
– Cylinder Block – Inspect
– Cylinder Head – Inspect
– Electric Starting System – Test
– Electrical System
– Electronic Control System Components
– Engine Oil Cooler – Inspect
– Engine Oil Pressure – Test
– Engine Oil Pump – Inspect
– Engine Valve Lash – Inspect/Adjust
– Excessive Bearing Wear – Inspect
– Excessive Engine Oil Consumption – Inspect
– Finding Top Center Position for No. 1 Piston
– Flywheel – Inspect
– Flywheel Housing – Inspect
– Fuel Injection Timing – Check
– Fuel Quality – Test
– Fuel System
– Fuel System – Inspect
– Fuel System – Prime
– Gear Group (Front) – Time
– Gear Group – Inspect
– General Information
– Glow Plugs – Test
– Increased Engine Oil Temperature – Inspect
– Lubrication System
– Piston Height – Inspect
– Piston Ring Groove – Inspect
– Power Sources
– Turbocharger – Inspect
– V-Belt – Test
– Valve Depth – Inspect
– Valve Guide – Inspect
– Vibration Damper – Check
– Water Pump – Inspect
– Water Temperature Regulator – Test
Troubleshooting C4.4 and C6.6 Engines for Caterpillar Built Machines
– 5 Volt Sensor Supply Circuit – Test
– Alternator Noise
– Alternator Will Not Charge
– Battery
– CAN Data Link Circuit – Test
– Can Not Reach Top Engine RPM
– CID 0001 FMI 02
– CID 0001 FMI 05
– CID 0001 FMI 06
– CID 0001 FMI 07
– CID 0002 FMI 02
– CID 0002 FMI 05
– CID 0002 FMI 06
– CID 0002 FMI 07
– CID 0003 FMI 02
– CID 0003 FMI 05
– CID 0003 FMI 06
– CID 0003 FMI 07
– CID 0004 FMI 02
– CID 0004 FMI 05
– CID 0004 FMI 06
– CID 0004 FMI 07
– CID 0005 FMI 02
– CID 0005 FMI 05
– CID 0005 FMI 06
– CID 0005 FMI 07
– CID 0006 FMI 02
– CID 0006 FMI 05
– CID 0006 FMI 06
– CID 0006 FMI 07
– CID 0041 FMI 03
– CID 0041 FMI 04
– CID 0091 FMI 02
– CID 0091 FMI 08
– CID 0100 FMI 03
– CID 0100 FMI 04
– CID 0100 FMI 10
– CID 0110 FMI 03
– CID 0110 FMI 04
– CID 0168 FMI 00
– CID 0168 FMI 01
– CID 0168 FMI 02
– CID 0172 FMI 03
– CID 0172 FMI 04
– CID 0174 FMI 03
– CID 0174 FMI 04
– CID 0190 FMI 08
– CID 0253 FMI 02
– CID 0261 FMI 11
– CID 0262 FMI 03
– CID 0262 FMI 04
– CID 0266 FMI 02
– CID 0267 FMI 02
– CID 0268 FMI 02
– CID 0291 FMI 05
– CID 0291 FMI 06
– CID 0296 FMI 09
– CID 0296 FMI 12
– CID 0342 FMI 08
– CID 0444 FMI 05
– CID 0444 FMI 06
– CID 0526 FMI 05
– CID 0526 FMI 06
– CID 0526 FMI 07
– CID 1639 FMI 02
– CID 1639 FMI 09
– CID 1779 FMI 05
– CID 1779 FMI 06
– CID 1785 FMI 03
– CID 1785 FMI 04
– CID 1785 FMI 10
– CID 1797 FMI 03
– CID 1797 FMI 04
– CID 1834 FMI 02
– CID 2417 FMI 05
– CID 2417 FMI 06
– Coolant in Engine Oil
– Coolant Temperature Is Too High
– Cooling Fan Control – Test
– Cooling Fan Reversing – Test
– Crank without Injection – Test
– Data Link Circuit – Test
– Diagnostic Code Cross Reference
– E1044 High Intake Manifold Pressure
– E1045 Low Intake Manifold Pressure
– E172 High Air Filter Restriction
– E194 High Exhaust Temperature
– E232 High Fuel/Water Separator Water Level
– E360 Low Engine Oil Pressure
– E361 High Engine Coolant Temperature
– E362 Engine Overspeed
– E396 High Fuel Rail Pressure
– E398 Low Fuel Rail Pressure
– E441 Idle Elevated to Increase Battery Voltage
– E539 High Intake Manifold Air Temperature
– E687 Fuel Filter #1 Restriction
– E688 Fuel Filter #2 Restriction
– ECM Harness Connector Terminals
– ECM Memory – Test
– ECM Will Not Accept Factory Passwords
– ECM Will Not Communicate with Other Systems or Display
– Electrical Connectors – Inspect
– Electronic Service Tool Will Not Communicate with ECM
– Electronic Service Tools
– Engine Cranks but Will Not Start
– Engine Has Early Wear
– Engine Misfires, Runs Rough or Is Unstable
– Engine Oil in Cooling System
– Engine Pressure Sensor Open or Short Circuit – Test
– Engine Shutdown Switch Circuit – Test
– Engine Speed Does Not Change
– Engine Speed/Timing Sensor Circuit – Test
– Engine Stalls at Low RPM
– Engine Temperature Sensor Open or Short Circuit – Test
– Engine Temperature Sensor Open or Short Circuit – Test
– Engine Vibration
– Engine Will Not Crank
– Engine Wiring Information
– Ether Starting Aid – Test
– Event Codes
– Excessive Black Smoke
– Excessive Engine Oil Consumption
– Excessive Fuel Consumption
– Excessive Valve Lash
– Excessive White Smoke
– Factory Passwords
– Flash Programming
– Fuel Dilution of Engine Oil
– Fuel Rail Pump Solenoid – Test
– Glossary
– Ignition Keyswitch Circuit and Battery Supply Circuit – Test
– Indicator Lamp Circuit – Test
– Injector Data Incorrect – Test
– Injector Solenoid Circuit – Test
– Injector Trim File
– Intermittent Engine Shutdown
– Intermittent Low Power or Power Cutout
– Low Engine Oil Pressure
– Low Power/Poor or No Response to Throttle
– Mechanical Noise (Knock) in Engine
– Noise Coming from Cylinder
– Programming Parameters
– Replacing the ECM
– Self-Diagnostics
– Sensors and Electrical Connectors
– Speed Control (PWM) – Test
– Start Relay Circuit – Test
– System Configuration Parameters
– System Overview
– Test ECM Mode
– Throttle Switch Circuit – Test
– Wastegate Solenoid – Test
Troubleshooting D6N Track-Type Tractor
– Backup Alarm Does Not Function
– Brake Does Not Engage
– Brake Does Not Release
– Connector Contact Description
– Connector Locations
– Diagnostic Capabilities
– Diagnostic Code List
– Electrical Connector – Inspect
– Electronic Control Module (ECM) – Configure
– Electronic Control Module (ECM) – Flash Program
– Electronic Control Module (ECM) – Replace
– Emerging Symptom Information
– Event Code List
– Fuel Tank Overfills (Fast Fill Fuel)
– Fuel Tank Underfills (Fast Fill Fuel)
– Fueling Nozzle Leaks (Fast Fill Fuel)
– Fueling Nozzle Shuts Off Prematurely (Fast Fill Fuel)
– General Information
– Hydraulic Cylinder Movement Is Harsh
– Hydraulic System
– Hydraulic System Has Unusual Noise
– Hydraulic System Oil Contains Air
– Hydraulic System Oil Level Is Low
– Hydraulic System Oil Temperature Is High
– Implement Cycle Time Is Fast
– Implement Cycle Time Is Slow
– Implement System – Troubleshooting for the Implement
– Machine Does Not Move
– Machine Preparation for Troubleshooting
– MID 039 – CID 0041 – FMI 03
– MID 039 – CID 0041 – FMI 04
– MID 039 – CID 0070 – FMI 03
– MID 039 – CID 0070 – FMI 04
– MID 039 – CID 0096 – FMI 03
– MID 039 – CID 0096 – FMI 04
– MID 039 – CID 0168 – FMI 02
– MID 039 – CID 0168 – FMI 03
– MID 039 – CID 0168 – FMI 04
– MID 039 – CID 0177 – FMI 03
– MID 039 – CID 0177 – FMI 04
– MID 039 – CID 0247 – FMI 09
– MID 039 – CID 0299 – FMI 08
– MID 039 – CID 0299 – FMI 13
– MID 039 – CID 0358 – FMI 03
– MID 039 – CID 0358 – FMI 05
– MID 039 – CID 0358 – FMI 06
– MID 039 – CID 0368 – FMI 02
– MID 039 – CID 0444 – FMI 03
– MID 039 – CID 0444 – FMI 05
– MID 039 – CID 0444 – FMI 06
– MID 039 – CID 0468 – FMI 03
– MID 039 – CID 0468 – FMI 04
– MID 039 – CID 0468 – FMI 08
– MID 039 – CID 0468 – FMI 13
– MID 039 – CID 0490 – FMI 03
– MID 039 – CID 0490 – FMI 04
– MID 039 – CID 0497 – FMI 03
– MID 039 – CID 0497 – FMI 05
– MID 039 – CID 0497 – FMI 06
– MID 039 – CID 0497 – FMI 13
– MID 039 – CID 0498 – FMI 03
– MID 039 – CID 0498 – FMI 05
– MID 039 – CID 0498 – FMI 06
– MID 039 – CID 0498 – FMI 13
– MID 039 – CID 0585 – FMI 02
– MID 039 – CID 0588 – FMI 09
– MID 039 – CID 0588 – FMI 14
– MID 039 – CID 0590 – FMI 02
– MID 039 – CID 0590 – FMI 09
– MID 039 – CID 0590 – FMI 14
– MID 039 – CID 0600 – FMI 03
– MID 039 – CID 0600 – FMI 04
– MID 039 – CID 0621 – FMI 02
– MID 039 – CID 0622 – FMI 02
– MID 039 – CID 0668 – FMI 12
– MID 039 – CID 0672 – FMI 02
– MID 039 – CID 0673 – FMI 02
– MID 039 – CID 0681 – FMI 03
– MID 039 – CID 0681 – FMI 04
– MID 039 – CID 0681 – FMI 05
– MID 039 – CID 0681 – FMI 06
– MID 039 – CID 0722 – FMI 03
– MID 039 – CID 0722 – FMI 04
– MID 039 – CID 0722 – FMI 05
– MID 039 – CID 0722 – FMI 06
– MID 039 – CID 0726 – FMI 03
– MID 039 – CID 0726 – FMI 05
– MID 039 – CID 0726 – FMI 06
– MID 039 – CID 0727 – FMI 03
– MID 039 – CID 0727 – FMI 05
– MID 039 – CID 0727 – FMI 06
– MID 039 – CID 0779 – FMI 03
– MID 039 – CID 0779 – FMI 04
– MID 039 – CID 0826 – FMI 03
– MID 039 – CID 0826 – FMI 04
– MID 039 – CID 1078 – FMI 03
– MID 039 – CID 1078 – FMI 04
– MID 039 – CID 1078 – FMI 08
– MID 039 – CID 1078 – FMI 13
– MID 039 – CID 1079 – FMI 03
– MID 039 – CID 1079 – FMI 04
– MID 039 – CID 1079 – FMI 08
– MID 039 – CID 1079 – FMI 13
– MID 039 – CID 1189 – FMI 02
– MID 039 – CID 1197 – FMI 03
– MID 039 – CID 1197 – FMI 05
– MID 039 – CID 1197 – FMI 06
– MID 039 – CID 1197 – FMI 13
– MID 039 – CID 1198 – FMI 03
– MID 039 – CID 1198 – FMI 05
– MID 039 – CID 1198 – FMI 06
– MID 039 – CID 1198 – FMI 13
– MID 039 – CID 1251 – FMI 04
– MID 039 – CID 1326 – FMI 02
– MID 039 – CID 1401 – FMI 03
– MID 039 – CID 1401 – FMI 05
– MID 039 – CID 1401 – FMI 06
– MID 039 – CID 1401 – FMI 13
– MID 039 – CID 1402 – FMI 03
– MID 039 – CID 1402 – FMI 05
– MID 039 – CID 1402 – FMI 06
– MID 039 – CID 1402 – FMI 13
– MID 039 – CID 1403 – FMI 03
– MID 039 – CID 1403 – FMI 05
– MID 039 – CID 1403 – FMI 06
– MID 039 – CID 1403 – FMI 13
– MID 039 – CID 1404 – FMI 03
– MID 039 – CID 1404 – FMI 05
– MID 039 – CID 1404 – FMI 06
– MID 039 – CID 1404 – FMI 13
– MID 039 – CID 1405 – FMI 03
– MID 039 – CID 1405 – FMI 05
– MID 039 – CID 1405 – FMI 06
– MID 039 – CID 1405 – FMI 13
– MID 039 – CID 1469 – FMI 08
– MID 039 – CID 1470 – FMI 08
– MID 039 – CID 1471 – FMI 03
– MID 039 – CID 1471 – FMI 04
– MID 039 – CID 1471 – FMI 08
– MID 039 – CID 1471 – FMI 12
– MID 039 – CID 1471 – FMI 13
– MID 039 – CID 1472 – FMI 03
– MID 039 – CID 1472 – FMI 04
– MID 039 – CID 1472 – FMI 08
– MID 039 – CID 1472 – FMI 12
– MID 039 – CID 1472 – FMI 13
– MID 039 – CID 1473 – FMI 03
– MID 039 – CID 1473 – FMI 04
– MID 039 – CID 1473 – FMI 08
– MID 039 – CID 1473 – FMI 12
– MID 039 – CID 1473 – FMI 13
– MID 039 – CID 1482 – FMI 03
– MID 039 – CID 1482 – FMI 04
– MID 039 – CID 1558 – FMI 09
– MID 039 – CID 1870 – FMI 03
– MID 039 – CID 1870 – FMI 04
– MID 039 – CID 1870 – FMI 08
– MID 039 – CID 1870 – FMI 13
– MID 039 – CID 1933 – FMI 03
– MID 039 – CID 1933 – FMI 04
– MID 039 – CID 1933 – FMI 05
– MID 039 – CID 1933 – FMI 06
– MID 039 – CID 1933 – FMI 13
– MID 039 – CID 1934 – FMI 03
– MID 039 – CID 1934 – FMI 04
– MID 039 – CID 1934 – FMI 05
– MID 039 – CID 1934 – FMI 06
– MID 039 – CID 1934 – FMI 13
– MID 039 – CID 1960 – FMI 09
– MID 039 – CID 2121 – FMI 02
– MID 039 – CID 2121 – FMI 07
– MID 039 – CID 2122 – FMI 02
– MID 039 – CID 2122 – FMI 07
– MID 039 – CID 2204 – FMI 03
– MID 039 – CID 2204 – FMI 04
– MID 039 – CID 2204 – FMI 08
– MID 039 – CID 2204 – FMI 13
– MID 039 – CID 2211 – FMI 03
– MID 039 – CID 2211 – FMI 05
– MID 039 – CID 2211 – FMI 06
– MID 039 – CID 2211 – FMI 13
– MID 039 – CID 2212 – FMI 03
– MID 039 – CID 2212 – FMI 05
– MID 039 – CID 2212 – FMI 06
– MID 039 – CID 2212 – FMI 13
– MID 039 – CID 2357 – FMI 03
– MID 039 – CID 2357 – FMI 04
– MID 039 – CID 2596 – FMI 03
– MID 039 – CID 2596 – FMI 05
– MID 039 – CID 2596 – FMI 06
– MID 039 – CID 2596 – FMI 13
– MID 039 – CID 2659 – FMI 02
– MID 039 – CID 2661 – FMI 03
– MID 039 – CID 2661 – FMI 04
– MID 039 – CID 2663 – FMI 03
– MID 039 – CID 2663 – FMI 04
– MID 039 – CID 2671 – FMI 05
– MID 039 – CID 2671 – FMI 06
– MID 039 – CID 2679 – FMI 03
– MID 039 – CID 2679 – FMI 04
– MID 039 – CID 2755 – FMI 03
– MID 039 – CID 2755 – FMI 04
– MID 039 – CID 3187 – FMI 03
– MID 039 – CID 3187 – FMI 04
– MID 039 – CID 3188 – FMI 03
– MID 039 – CID 3188 – FMI 04
– MID 039 – CID 3195 – FMI 03
– MID 039 – CID 3195 – FMI 04
– MID 039 – CID 3196 – FMI 03
– MID 039 – CID 3196 – FMI 04
– MID 039 – CID 3283 – FMI 03
– MID 039 – CID 3283 – FMI 04
– Operational Checks (Brake System)
– Operational Checks (Hydraulic System)
– Operational Checks (Power Train)
– Power Train Oil Contains Air
– Power Train Oil Temperature Is High
– Power Train System Pressure Is Low
– Ripper Does Not Function
– Service Tools
– Steering Does Not Function
– Steering Does Not Function in One Direction
– Steering Hesitates
– Steering Is Harsh
– Steering Is Unstable
– Steering Turn Force Is Low
– Steering Turn Radius Is Large
– Symptom Troubleshooting
– System Schematic
– Transmission Does Not Shift Into All Gears
– Using Caterpillar Electronic Technician to Determine
– Using the Operator Monitor to Determine Diagnostic Codes
– Visual Inspection
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test