Service manual Caterpillar 420F2 Center Pivot Backhoe Loader with C4.4 Engine | HWC00001-UP

415F2, 415F2 IL, 416F2, 420F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Transmission (Standard Shift)
– Flexible Coupling Drive
– Flexible Coupling Drive
– General Information
– Governor Control
– Governor Control
– Governor Control
– Governor Control
– Power Train Troubleshooting
– Pressure Taps – Standard Shift
– Pump Drive
– Pump Drive – Mounting
– Pump Lines
– Pump Lines
– Solenoid Valve (Standard Shift)
– Solenoid Valve (Standard Shift)
– Steering Lines
– Steering Lines
– Torque Converter
– Torque Converter
– Transmission (All-Wheel Drive)
– Transmission (Standard Shift)
– Transmission (Standard Shift)
– Transmission (Standard Shift)
– Transmission (Two-Wheel Drive)
– Transmission and Torque Converter – Test
– Transmission Case
– Transmission Case
– Transmission Case
– Transmission Case
– Transmission Control
– Transmission Control
– Transmission Control
– Transmission Hydraulic System
– Transmission Oil Pump
– Transmission Oil Pump
– Transmission Oil Pump
415F2, 416F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Axles, Differential and Brakes
– Axle (Front)
– Axle (Front)
– Axle (Front) – Adjust
– Axle (Rear)
– Axle Housing and Bearing Preload – Adjust
– Brake System Air – Purge
– Differential (Standard)
– Differential Backlash and Bearings – Adjust
– Differential Lock – If Equipped
– Differential Pinion Bearing – Adjust
– Parking Brake Control
– Parking Brake Control – Adjust
– Service Brake Control
– Service Brake Control – Adjust
415F2, 416F2, 420F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Axles, Differential and Brakes
– Axle (Front)
– Axle (Front) – Two-Wheel Drive
– Axle (Rear)
– Drive Shaft
– Drive Shaft
– Parking Brake Control
– Service Brake Control
– Service Brake Control
– Service Brake Control Service Brake Control
– Service Brake Control Service Brake Control
– Solenoid Valve and Mounting (Differential Lock)
– Wheel and Tire (Front)
– Wheel and Tire (Front)
– Wheel and Tire (Rear) Wheel and Tire (Rear)
– Wheel and Tire (Rear) Wheel and Tire (Rear)
415F2, 416F2, 420F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Hydraulic and Steering System
– Auxiliary Hydraulic Lines
– Backhoe Control Mounting
– Bank Valve (Five)(Mechanically Operated)
– Bank Valve (Five)(Pilot Operated)
– Bank Valve (Four)(Mechanically Operated)
– Bank Valve (Four)(Pilot Operated)
– Bank Valve (Six)(Mechanically Operated)
– Bank Valve (Six)(Pilot Operated)
– Bank Valve (Three)(Mechanically Operated)
– Bank Valve (Three)(Mechanically Operated)
– Bank Valve (Three)(Mechanically Operated)
– Bank Valve (Three)(Pilot Operated)
– Bank Valve (Two)(Mechanically Operated)
– Boom – 4 m (14 ft)
– Boom – 4 m (14 ft)
– Boom – 5 m (16 ft)
– Boom Cylinder
– Boom Cylinder
– Boom Cylinder
– Bucket
– Bucket
– Bucket
– Bucket Cylinder (Backhoe)
– Bucket Cylinder (Backhoe)
– Bucket Cylinder Lines
– Bucket Cylinder Lines
– Bucket Linkage
– Bucket Positioner and Lift Kickout
– Check Valve
– Control Manifold (Inlet)
– Control Manifold (Sideshift)
– Control Valve (Auxiliary) (Mechanically Operated)
– Control Valve (Auxiliary) (Pilot Operated)
– Control Valve (Backhoe Bucket) (Pilot Operated)
– Control Valve (Backhoe Bucket)(Mechanically Operated)
– Control Valve (Boom)(Mechanically Operated)
– Control Valve (Boom)(Pilot Operated)
– Control Valve (Lift)(Mechanically Operated)
– Control Valve (Lift)(Pilot Operated)
– Control Valve (Stabilizer) (Mechanically Operated)
– Control Valve (Stabilizer) (Mechanically Operated)
– Control Valve (Stabilizer) (Mechanically Operated)
– Control Valve (Stick)(Mechanically Operated)
– Control Valve (Stick)(Mechanically Operated)
– Control Valve (Stick)(Pilot Operated)
– Control Valve (Stick)(Pilot Operated)
– Control Valve (Swing)(Mechanically Operated)
– Control Valve (Swing)(Pilot Operated)
– Control Valve (Tilt)(Mechanically Operated)
– Control Valve (Tilt)(Pilot Operated)
– Control Valve – Coupler
– Crossover Relief Valve (Swing Cushion)
– Extendable Stick Cylinder
– Hydraulic Accumulator (Pilot Oil)
– Hydraulic Accumulator (Pilot Oil)
– Hydraulic Accumulator (Pilot Oil)
– Hydraulic Hand Control
– Hydraulic Hand Control
– Hydraulic Hand Control (Loader) (Mechanically Operated)
– Hydraulic Hand Control (Loader) (Mechanically Operated)
– Hydraulic Pedal Control
– Hydraulic Pedal Control
– Hydraulic Pedal Control
– Hydraulic Tank and Mounting
– Lift Arm
– Lift Arm
– Lift Cylinder
– Lift Cylinder Brace
– Lift Cylinder Brace
– Lines (Hydraulic)
– Lines (Hydraulic)
– Lines (Hydraulic)
– Lines (Hydraulic)
– Lines (Hydraulic) – Lift and Tilt
– Lines (Hydraulic) – Lift and Tilt Cylinder
– Lines (Hydraulic) – Lift and Tilt Cylinder
– Lines (Hydraulic) – Return
– Lines (Hydraulic) – Stabilizer
– Metering Pump (Steering)
– Multipurpose Bucket Cylinder
– Oil Filter (Hydraulic)
– Oil Filter (Hydraulic)
– Pilot Valve (Joystick)
– Pin Coupler Cylinder
– Piston Pump
– Piston Pump (Work Tool and Steering)
– Pump Control Valve (Pressure and Flow Compensator)
– Radiator and Hydraulic Oil Cooler
– Radiator and Hydraulic Oil Cooler
– Radiator and Hydraulic Oil Cooler
– Relief Valve
– Ride Control Accumulator
– Ride Control Accumulator
– Ride Control Lines
– Ride Control Manifold
– Service Brake Control
– Service Brake Control
– Stabilizer Cylinder
– Stabilizer Cylinder
– Stabilizer Cylinder
– Steering Control
– Steering Control Group
– Stick – Extendable – 4.27 m (14.000 ft)
– Stick – Extendable – 4.27 m (14.000 ft)
– Stick – Extendable – 4.88 m (16.000 ft)
– Stick – Length 4.27 m (14.000 ft)
– Stick – Length 4.27 m (14.000 ft)
– Stick – Length 4.88 m (16.000 ft)
– Stick Cylinder
– Stick Cylinder
– Stick Cylinder
– Swing Cylinder
– Swing Cylinder Lines
– Swing Cylinder Lines
– Swing Frame
– Swing Frame
– Thumb
– Thumb Cylinder
– Tilt Cylinder
– Tilt Cylinder
– Transport Lock
– Transport Lock
– Transport Lock
415F2, 416F2, 420F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Hydraulic and Steering System
– Bank Valve (Backhoe) – Mechanically Operated
– Bank Valve (Backhoe) – Pilot Operated
– Bank Valve (Loader) – Pilot Operated
– Bank Valve (Loader) – Single Tilt – Direct Operating
– Control Valve (Auxiliary) – Mechanically Operated
– Control Valve (Auxiliary) – Pilot Operated
– Control Valve (Auxiliary)(Loader) – Mechanically Operated
– Control Valve (Auxiliary)(Loader) – Pilot Operated
– Control Valve (Boom) – Mechanically Operated
– Control Valve (Boom) – Pilot Operated
– Control Valve (Bucket) – Mechanically Operated
– Control Valve (Bucket) – Pilot Operated
– Control Valve (Extendable Stick) – Pilot Operated
– Control Valve (Lift) – Mechanically Operated
– Control Valve (Lift) – Pilot Operated
– Control Valve (Stabilizer)
– Control Valve (Stick) – Mechanically Operated
– Control Valve (Stick) – Pilot Operated
– Control Valve (Swing) – Mechanically Operated
– Control Valve (Swing) – Pilot Operated
– Control Valve (Tilt) – Mechanically Operated
– Control Valve (Tilt) – Pilot Operated
– Crossover Relief Valve (Swing Cushion) – If Equipped
– General Information (Hydraulic System)
– General Information (Steering)
– Hydraulic Oil Contamination – Test
– Hydraulic Pump – Test and Adjust
– Hydraulic Pump – Test and Adjust
– Hydraulic Pump – Test and Adjust
– Hydraulic System Lockout
– Hydraulic Tank and Filter
– Metering Pump (Steering)
– Operational Checks
– Pilot Oil Accumulator – Test and Charge
– Pilot System Pressure – Test
– Piston Pump (Work Tool and Steering)
– Piston Pump (Work Tool and Steering)
– Priority Valve – Inlet Manifold of the Loader
– Quick Coupler System – (Coupler with Pilot Operated Check
– Relief Valve (Line) – Test and Adjust
– Relief Valve (Line) – Test and Adjust – Alternate Test
– Relief Valve (Loader) – Test and Adjust
– Ride Control – Test
– Ride Control Accumulator – Test and Charge
– Ride Control System
– System Pressure – Release
– Worksheets – Troubleshoot
415F2, 416F2, 420F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Transmission (Autoshift)
– Flexible Coupling Drive
– General Information
– Governor Control
– Governor Control
– Machine Preparation for Troubleshooting
– Operational Checks
– Power Train Oil Filler
– Power Train Troubleshooting
– Pressure Taps – Autoshift
– Pump Drive
– Pump Drive – Mounting
– Pump Lines
– Solenoid Valve (Autoshift)
– Steering Lines
– Torque Converter
– Torque Converter
– Torque Converter
– Transmission
– Transmission (Autoshift)
– Transmission (Autoshift)
– Transmission (Autoshift)
– Transmission and Torque Converter – Test
– Transmission Case
– Transmission Case
– Transmission Case
– Transmission Case
– Transmission Control
– Transmission Control
– Transmission Control
– Transmission Hydraulic System
– Transmission Oil Pump
– Transmission Oil Pump
– Visual Inspection
420F2 IT, 420F2 ST, 427F2, 428F2, 430F2 IT, 430F2 ST, 432F2, 434F2 and 444F2 Backhoe Loaders
– Alarm – Test
– All Wheel Steer
– Anti-Theft System Configuration
– Axle and Differential
– Backup Alarm Always Off
– Backup Alarm Always On
– Brake System
– Calibration
– CAN Data Link – Test
– Charging System – Test
– Connector Contact Description
– Connector Locations
– Determining Diagnostic Trouble Codes
– Diagnostic Capabilities
– Diagnostic Trouble Codes
– Electrical Connector – Inspect
– Electrical Input Components
– Electrical Output Components
– Electrical Power Supply – Test
– Electronic Control Module
– Electronic Control Module (ECM) – Configure
– Electronic Control Module (ECM) – Flash Program
– Electronic Control Module (ECM) – Replace
– Emerging Symptom Information
– Event Codes
– Features
– General Information
– General Information
– Hydraulic System
– Operational Checks (All Wheel Steer)
– Operational Checks (Axle, Differential)
– Operational Checks (Brake System)
– Operational Checks (Hydraulic System)
– Operational Checks (Steering System)
– Operational Checks (Transmission)
– Operator Control Switch (Switch to Battery) – Test
– Operator Control Switch (Switch to Ground) – Test
– Parameter – Test
– Position Sensor (Proximity Switch) – Test
– Sensor (Multi-Signal, Analog, Active) – Test
– Sensor Signal (Analog, Passive) – Test
– Sensor Signal (PWM) – Test
– Sensor Supply – Test
– Service Tools
– Solenoid Return – Test
– Solenoid Valve (Switch Controlled) – Test
– Solenoid Valve – Test
– Speed Sensor – Test
– Steering System
– Symptom Troubleshooting
– System Schematic
– Transmission
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
Disassembly and Assembly 415F2, 416F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Machine Systems
– Air Conditioner and Heater – Remove and Install
– Air Conditioner and Heater – Remove and Install
– Backhoe Bucket Cylinder – Remove and Install
– Backhoe Bucket Cylinder – Remove and Install
– Backhoe Bucket Linkage – Remove and Install
– Backhoe Bucket Linkage – Remove and Install
– Bank Valve (Backhoe) – Install
– Bank Valve (Backhoe) – Install – Joystick Control
– Bank Valve (Backhoe) – Remove
– Bank Valve (Backhoe) – Remove – Joystick Control
– Bank Valve (Backhoe) – Remove – Pedal Control
– Bank Valve (Loader) – Install
– Bank Valve (Loader) – Install
– Bank Valve (Loader) – Remove
– Bank Valve (Loader) – Remove
– Boom – Remove and Install
– Boom – Remove and Install
– Boom Cylinder – Remove and Install
– Boom Cylinder – Remove and Install
– Bucket – Remove and Install
– Bucket – Remove and Install – Single Tilt
– Bucket Positioner Control – Remove and Install – Parallel Lift
– Bucket Positioner Control – Remove and Install – Parallel Lift
– Bucket Positioner Control – Remove and Install – Single Tilt
– Bucket Positioner Control – Remove and Install – Single Tilt
– Cab – Install
– Cab – Remove
– Canopy – Remove and Install
– Counterweight – Remove and Install
– Counterweight – Remove and Install
– Counterweight – Remove and Install
– Extendable Stick – Remove and Install
– Extendable Stick – Remove and Install
– Extendable Stick Cylinder – Remove and Install
– Extendable Stick Cylinder – Remove and Install
– Fuel Tank – Remove and Install
– Fuel Tank – Remove and Install
– Hoe Bucket – Remove and Install
– Hoe Bucket – Remove and Install
– Hydraulic Tank – Remove and Install
– Hydraulic Tank – Remove and Install
– Lift Arms – Remove and Install – Parallel Lift
– Lift Arms – Remove and Install – Parallel Lift
– Lift Arms – Remove and Install – Single Tilt
– Lift Arms – Remove and Install – Single Tilt
– Lift Cylinder – Remove and Install – Parallel Lift
– Lift Cylinder – Remove and Install – Parallel Lift
– Lift Cylinder – Remove and Install – Single Tilt
– Lift Cylinder – Remove and Install – Single Tilt
– Piston Pump (Main Hydraulic) – Remove and Install
– Piston Pump (Main Hydraulic) – Remove and Install
– Quick Coupler – Remove and Install – Parallel Lift
– Quick Coupler – Remove and Install – Parallel Lift
– Refrigerant Accumulator – Remove and Install
– Refrigerant Accumulator – Remove and Install
– Ride Control Accumulator – Remove and Install
– Ride Control Accumulator – Remove and Install
– Seat – Remove and Install
– Seat – Remove and Install
– Service Brake Control – Remove and Install
– Service Brake Control – Remove and Install
– Stabilizer – Remove and Install
– Stabilizer – Remove and Install
– Stabilizer Control Valve – Remove and Install
– Stabilizer Control Valve – Remove and Install
– Stabilizer Cylinder – Remove and Install
– Stabilizer Cylinder – Remove and Install
– Steering Metering Pump – Remove and Install
– Steering Metering Pump – Remove and Install
– Steering Wheel – Remove and Install
– Steering Wheel – Remove and Install
– Stick – Remove and Install
– Stick – Remove and Install
– Stick Cylinder – Remove and Install
– Stick Cylinder – Remove and Install
– Swing Cylinder – Remove and Install
– Swing Cylinder – Remove and Install
– Swing Frame – Install
– Swing Frame – Install
– Swing Frame – Remove
– Swing Frame – Remove
– System Pressure – Release
– System Pressure – Release
– Tilt Cylinder – Remove and Install – Parallel Lift
– Tilt Cylinder – Remove and Install – Parallel Lift
– Tilt Cylinder – Remove and Install – Single Tilt
– Tilt Cylinder – Remove and Install – Single Tilt
– Window Wiper and Wiper Motor (Front) – Remove and Install
– Window Wiper and Wiper Motor (Front) – Remove and Install
– Window Wiper and Wiper Motor (Rear) – Remove and Install
– Window Wiper and Wiper Motor (Rear) – Remove and Install
Disassembly and Assembly 415F2, 416F2, 420F2 IT, 420F2 ST, 430F2 IT and 430F2 ST Backhoe Loaders Power Train
– Axle Housing (Differential and Bevel Gear) (Front) –
– Axle Housing (Differential and Bevel Gear) (Front) –
– Axle Housing (Differential and Bevel Gear) (Front) – Assemble
– Axle Housing (Differential and Bevel Gear) (Front) – Assemble –
– Axle Housing (Differential and Bevel Gear) (Front) – Remove
– Axle Housing (Differential and Bevel Gear) (Front) – Remove
– Axle Housing (Service Brakes, Differential and Bevel Gear) –
– Axle Housing (Service Brakes, Differential and Bevel Gear) –
– Axle Housing (Service Brakes, Differential and Bevel Gear) –
– Axle Housing (Service Brakes, Differential and Bevel Gear) –
– Axle Housing and Flange – Assemble
– Axle Housing and Flange – Assemble – ZF Axle
– Axle Housing and Flange – Disassemble
– Axle Housing and Flange – Disassemble – ZF Axle
– Axle Housing and Flange – Install
– Axle Housing and Flange – Install – ZF Axle
– Axle Housing and Flange – Remove
– Axle Housing and Flange – Remove – ZF Axle
– Axle Housing, Axle Shaft, and Wheel Flange – Assemble
– Axle Housing, Axle Shaft, and Wheel Flange – Assemble – ZF
– Axle Housing, Axle Shaft, and Wheel Flange – Disassemble
– Axle Housing, Axle Shaft, and Wheel Flange – Disassemble – ZF
– Axle Housing, Axle Shaft, and Wheel Flange – Install
– Axle Housing, Axle Shaft, and Wheel Flange – Remove
– Axle Shaft – Remove and Install
– Drive and Steering Axle (Front) – Install
– Drive and Steering Axle (Front) – Remove
– Drive Shaft (Front) – Remove and Install
– Drive Shaft (Rear) – Remove and Install
– Final Drive Planetary – Remove and Install – Front
– Final Drive Planetary – Remove and Install – Rear
– Final Drive Planetary – Remove and Install – ZF Axle
– Parking Brake – Remove and Install
– Rear Axle – Install
– Rear Axle – Remove
– Solenoid Valve (Transmission) – Remove and Install
– Steering Cylinder (Front) – Remove and Install
– Steering Cylinder (Front) – Remove and Install – ZF Axle
– System Pressure – Release
– Tie Rod (Steering)(Front) – Remove and Install
– Tie Rod (Steering)(Front) – Remove and Install – ZF Axle
– Tire and Rim (Front) – Remove and Install
– Tire and Rim (Rear) – Remove and Install
– Transmission (Direct Drive) – Assemble
– Transmission (Direct Drive) – Disassemble
– Transmission (Direct Drive) – Install
– Transmission (Direct Drive) – Remove
– Transmission (Power Shift) – Assemble
– Transmission (Power Shift) – Disassemble
– Transmission (Power Shift) – Install
– Transmission (Power Shift) – Remove
Disassembly and Assembly 416F2, 420F2 IT, 420F2 ST, 428F2, 430F2 IT, 430F2 ST, 432F2, 434F2 and 444F2 Backhoe Loaders Engine Supplement
– Air Cleaner – Remove and Install
– Alternator – Remove and Install
– Battery – Remove and Install
– Diesel Exhaust Fluid Filter – Remove and Install
– Diesel Exhaust Fluid Pump – Remove and Install
– Diesel Particulate Filter – Remove and Install
– Electric Starting Motor – Remove and Install
– Engine – Install
– Engine – Remove
– Fan – Remove and Install
– Fan Drive – Remove and Install
– Fuel Filter and Water Separator – Remove and Install
– Hood – Remove and Install
– Hydraulic and Transmission Oil Cooler – Remove and Install
– Radiator – Remove and Install
– Radiator, Fuel Cooler, After Cooler, and Hydraulic and XMSN
– Refrigerant Compressor – Remove and Install
– Refrigerant Condenser – Remove and Install
– Side Panel – Remove and Install
– System Pressure – Release
– Turbocharger – Remove and Install
– Water Pump – Remove and Install
– Water Temperature Regulator – Remove and Install
Disassembly and Assembly C4.4 Engines for Caterpillar Built Machines
– Accessory Drive – Remove and Install – Accessory Drive SAE
– Accessory Drive – Remove and Install – Accessory Drive SAE
– Air Compressor – Remove and Install – Single Cylinder Air
– Air Compressor – Remove and Install – Twin Cylinder Air
– Alternator – Install
– Alternator – Remove
– Alternator Belt – Remove and Install
– Ammonia Sensor – Remove and Install – Ammonia Sensor if
– Atmospheric Pressure Sensor – Remove and Install
– Balancer – Install
– Balancer – Remove
– Bearing Clearance – Check
– Belt Tensioner – Remove and Install
– Boost Pressure Sensor – Remove and Install
– Camshaft – Remove and Install
– Camshaft Bearings – Remove and Install
– Camshaft Gear – Remove and Install
– Camshaft Position Sensor – Remove and Install
– Clean Emissions Module – Remove and Install
– Connecting Rod Bearings – Install – Connecting Rods in
– Connecting Rod Bearings – Remove – Connecting Rods in
– Coolant Temperature Sensor – Remove and Install
– Crankcase Breather – Install
– Crankcase Breather – Remove
– Crankshaft – Install
– Crankshaft – Remove
– Crankshaft Front Seal – Remove and Install
– Crankshaft Front Seal – Remove and Install – Crankshaft Front
– Crankshaft Gear (Balancer Drive) – Remove and Install
– Crankshaft Gear – Remove and Install
– Crankshaft Main Bearings – Remove and Install – Crankshaft
– Crankshaft Position Sensor – Remove and Install
– Crankshaft Pulley – Remove and Install
– Crankshaft Rear Seal – Install
– Crankshaft Rear Seal – Remove
– Crankshaft Timing Ring – Remove and Install
– Cylinder Head – Install
– Cylinder Head – Remove
– DEF Injector and Mounting – Remove and Install
– Diesel Exhaust Fluid Lines – Remove and Install
– Diesel Exhaust Fluid Pump – Remove and Install
– Diesel Exhaust Fluid Tank – Remove and Install
– Electric Starting Motor – Remove and Install
– Electronic Control Module – Install
– Electronic Control Module – Remove
– Electronic Unit Injector – Install
– Electronic Unit Injector – Remove
– Engine Oil Cooler – Install
– Engine Oil Cooler – Remove
– Engine Oil Filter Base – Remove and Install
– Engine Oil Pan – Remove and Install – Aluminum and Pressed
– Engine Oil Pan – Remove and Install – Cast Iron Oil Pan
– Engine Oil Pressure Sensor – Remove and Install
– Engine Oil Pump – Install
– Engine Oil Pump – Remove
– Exhaust Back Pressure Valve – Remove and Install
– Exhaust Cooler (NRS) – Remove and Install – Side Mounted
– Exhaust Cooler (NRS) – Remove and Install – Top Mounted
– Exhaust Cooler (NRS) – Remove and Install – Twin
– Exhaust Elbow – Remove and Install
– Exhaust Elbow – Remove and Install – Top Mounted and Side
– Exhaust Gas Valve (NRS) – Remove and Install
– Exhaust Manifold – Remove and Install – Single Turbocharger
– Exhaust Manifold – Remove and Install – Twin Turbochargers
– Fan – Remove and Install
– Fan Drive – Remove and Install
– Flexible Exhaust Pipe – Remove and Install
– Flow Control Valve – 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
– Front Cover – Remove and Install – Heavy Duty Front Cover
– Fuel Filter Base – Remove and Install – Single Secondary Fuel
– Fuel Filter Base – Remove and Install – Twin Secondary Fuel
– 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 Lift
– Fuel Temperature Sensor – Remove and Install
– Gear Group (Front) – Remove and Install
– Gear Group (Front) – Remove and Install – Heavy Duty Gear
– Glow Plugs – Remove and Install
– Housing (Front) – Install
– Housing (Front) – Install – Heavy Duty Housing (Front)
– Housing (Front) – Remove
– Housing (Front) – Remove – Heavy Duty Housing (Front)
– Idler Gear – Install
– Idler Gear – Remove
– Idler Pulley – Remove and Install – Flat Idler Pulley
– Idler Pulley – Remove and Install – Grooved Idler Pulley
– Inlet Air Control – Install – NRS Induction Mixer
– Inlet Air Control – Remove – NRS Induction Mixer
– Inlet and Exhaust Valve Springs – Remove and Install
– Inlet and Exhaust Valves – Remove and Install
– Inlet Manifold Temperature Sensor – Remove and Install
– Lifter Group – Remove and Install – Hydraulic Lifter Group
– Manifold (DEF Heater) – Remove and Install
– Manifold (DEF Heater) Sensor – Assemble – Temperature, Level,
– Manifold (DEF Heater) Sensor – Disassemble – Temperature,
– Nitrogen Oxide Sensor – Remove and Install – Nitrogen Oxide
– Nitrogen Oxide Sensor – Remove and Install – Nitrogen Oxide
– 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
– Pressure Sensor (Cooled Exhaust Gas) – Remove and Install –
– Refrigerant Compressor – Remove and Install
– Rocker Shaft – Assemble
– Rocker Shaft – Disassemble
– Rocker Shaft and Pushrod – Install
– Rocker Shaft and Pushrod – Remove
– Solenoid Valve (DEF Heater Coolant) – Remove and Install
– Soot Antenna – Remove and Install
– Support and Mounting (CEM) – Remove and Install
– Temperature Sensor (Catalyst Inlet) – Remove and Install
– Temperature Sensor (Cooled Exhaust Gas) – Remove and
– Temperature Sensor (DPF) – Remove and Install
– Temperature Sensor (Exhaust) – Remove and Install – Selective
– Turbocharger – Install – First Stage Turbocharger
– Turbocharger – Install – Second Stage Turbocharger
– Turbocharger – Install – Side Mounted Turbochargers
– Turbocharger – Install – Top Mounted Turbocharger
– Turbocharger – Remove – First Stage Turbocharger
– Turbocharger – Remove – Second Stage Turbocharger
– Turbocharger – Remove – Side Mounted Turbochargers
– Turbocharger – Remove – Top Mounted Turbocharger
– Valve Mechanism Cover – Remove and Install
– Wastegate Solenoid – Remove and Install
– Water Pump – Install
– Water Pump – Remove
– Water Separator and Fuel Filter (Primary) – Remove and
– Water Temperature Regulator – Remove and Install
F2 Series Backhoe Loaders Monitoring System
– Connector Contact Description
– Data Link
– Determining Diagnostic Trouble Codes
– Diagnostic Capabilities
– Diagnostic Trouble Codes
– Display Module
– Electrical Connector – Inspect
– Event Codes
– General Information
– Menu Navigation
– Menus
– Module – Flash Program
– Module – Replace
– Monitoring System
– Sensor Signal (Analog, Passive) – Test
– Service Menu
– Service Tools
– Settings Menu
– System Schematic
– Totals Menu
– Warning Operation
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
Schematic Caterpillar 420F2 and 430F2 Backhoe Loader Hydraulic System
– Features
– Cover Page
– Information
– Component Location
– Tap Location
– Schematic
– Function Isolation Tools
– Grids On/Off
– All Circuits Off
– All Circuits On
– 021 (Orange) (Pilot Pump Output)
– 032 (Red) (Main Pump Output)
– 141 (Lt Orange) (Lift Cylinder Control Circuit)
– 190 (Dk Pink) (Bucket Cylinder Control Circuit)
– 258 (Dk Purple) (Load Sense Circuit)
– 305 (Lt Blue) (Steering Control Circuit)
– 346 (Med Green) (Stick Cylinder Control Circuit)
– 347 (Dk Green) (Supply Line)
– 430 (Dk Gray) (Aux Control Circuit)
– 464 (Brown) (Boom Cylinder Control Circuit)
– 500 (Med Pink) (Tilt Cylinder Control Circuit)
– 522 (Lt Purple) (Loader Valve Control Circuit)
– 577 (Lt Green) (Drain / Return Line)
– 613 (Dk Yellow) (Stabilizer Cylinder Control Circuit)
– 640 (Blue) (Swing Cylinder Control Circuit)
– 651 (Blue Gray) (E-Stick Cylinder Control Circuit)
– 4665 (Tan) (Coupler Control Circuit (HOE))
– CON 021 (Orange/Black Stripe) (Boosted Brake Oil Control Circuit)
– Machine Views
– Boom With E-Stick
– Front View 1
– Front View 2
– MP Bucket Option
– Rear Machine View
– Under Cab View
Schematic Caterpillar 420F2, 428F2, 430F2, 432F2, 434F2 and 444F2 Backhoe Loader Electrical System
– Feature
– Cover Page
– Information
– Component Location
– Cab Wiring
– Chassis Wiring
– Engine and Chassis Wiring
– Connector Location
– Cab Wiring
– Chassis Wiring
– Engine and Chassis Wiring
– Schematics
– Cab Wiring
– Chassis Wiring
– Engine and Chassis Wiring
– Machine Views
– Cab Wiring
– Dash Wiring
– HVAC And Washer Wiring
– Rear Auxiliary Wiring
– Return To DIG Wiring
– RH Console Wiring
– Chassis Wiring
– Autoshift XMSN Wiring
– AWS Wiring
– Front Quick Coupler Wiring
– Headliner And Attachment Wiring
– HVAC Wiring
– Load Check Disable Wiring
– Manual XMSN Wiring
– Object Handling Wiring
– Rear Valve And Frame Wiring
– Return To Dig (Single Tilt) Wiring
– Ride Control Wiring
– Engine and Chassis Wiring
– Cab Roof And Bluetooth Wiring
– Engine Def Wiring
– Engine Wiring (Left Side)
– Engine Wiring (Right Side)
– Rear Wiring (420F & 430F)
– Rear Wiring (428F & 434F Autoshift Only)
Schematic Caterpillar 420F2, 428F2, 430F2, 432F2, 434F2, and 444F2 Backhoe Loader Electrical System
– Feature
– Cover Page
– Information
– Component Location
– Cab Wiring
– Chassis Wiring
– Engine and Chassis Wiring
– Connector Location
– Cab Wiring
– Chassis Wiring
– Engine and Chassis Wiring
– Schematics
– Cab Wiring
– Chassis Wiring
– Engine and Chassis Wiring
– Machine Views
– Cab Wiring
– Dash Wiring
– HVAC and Washer Wiring
– Rear Auxiliary Wiring
– Return to Dig Wiring
– RH Console Wiring
– Chassis Wiring
– Autoshift XMSN Wiring
– AWS Wiring
– Front Quick Coupler Wiring
– Headliner and Attachment Wiring
– HVAC Wiring
– Load Check Disable Wiring
– Manual XMSN Wiring
– Object Handling Wiring
– Rear Valve and Frame Wiring
– Return to Dig (Single Tilt) Wiring
– Ride Control Wiring
– Engine and Chassis Wiring
– Cab Roof and Bluetooth Wiring
– Engine DEF Wiring
– Engine Wiring (Left Side)
– Engine Wiring (Right Side)
– Rear Wiring (420F & 430F)
– Rear Wiring (428F & 434F Autoshift Only)
Specifications C4.4 Engines for Caterpillar Built Machines
– Accessory Drive
– Alternator
– Ammonia Sensor – If equipped
– Atmospheric Pressure Sensor
– Belt Tensioner
– Boost Pressure Sensor
– Camshaft
– Camshaft Bearings
– Connecting Rod
– Connecting Rod Bearing Journal
– Coolant Temperature Sensor
– Crankcase Breather
– Crankshaft
– Crankshaft Pulley
– Crankshaft Seals
– Cylinder Block
– Cylinder Head
– Cylinder Head Valves
– Diesel Exhaust Fluid Pump
– Diesel Exhaust Fluid Tank
– 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 Cooler (NRS)
– Exhaust Gas Valve (NRS)
– Exhaust Manifold
– Fan Drive
– Flexible Exhaust Pipe
– Flywheel
– Flywheel Housing
– Front Housing and Covers
– Fuel Filter Base – Single Secondary Fuel Filter Base
– Fuel Injection Lines
– Fuel Injection Nozzles
– Fuel Injection Pump
– Fuel Manifold (Rail)
– Fuel Transfer Pump
– Gear Group (Front)
– Glow Plugs
– Injector (Diesel Exhaust Fluid)
– Inlet Manifold Temperature Sensor
– Lifter Group
– Main Bearing Journal
– Manifold (Diesel Exhaust Fluid)
– Nitrogen Oxide Sensor
– Piston and Rings
– Piston Cooling Jet
– Pressure Sensor (NOx Reduction System)
– Pressure Sensor (NOx Reduction System) – Differential
– Refrigerant Compressor
– Rocker Shaft
– Solenoid Valve (DEF Heater Coolant)
– Speed/Timing Sensor
– Starter Motor
– Temperature Sensor (DOC Inlet)
– Temperature Sensor (DPF Inlet)
– Temperature Sensor (Exhaust) – Selective Catalytic Reduction
– Temperature Sensor (NOx Reduction System)
– Turbocharger – Series Turbochargers
– Turbocharger – Single Turbocharger
– Valve Mechanism Cover
– Water Pump
– Water Temperature Regulator and Housing
Systems Operation & Testing and Adjusting C4.4 Engines for Caterpillar Built Machines
– Aftertreatment SCR System Dosing – Test
– Air in Fuel – Test
– Air Inlet and Exhaust System – Inspect
– Air Inlet and Exhaust System – Series Turbochargers
– Air Inlet and Exhaust System – Single Turbocharger
– Alternator – Test
– Basic Engine
– Battery – Test
– Charging System – Test
– Clean Emissions Module – Diesel Oxidation Catalyst (DOC) and
– Clean Emissions Module – Diesel Oxidation Catalyst (DOC),
– Cleanliness of Fuel System Components
– Compression – Test
– Connecting Rod – Inspect
– Cooling System
– Cooling System – Check
– Cooling System – Inspect
– Cooling System – Test
– Crankshaft Pulley – Check
– Cylinder Block – Inspect
– Cylinder Head – Inspect
– DEF Dosing Control System
– Diesel Exhaust Fluid Quality – Test
– Diesel Exhaust Fluid Tank – Flush
– Electric Starting System – Test
– Electrical System
– Electronic Control System
– Engine Oil Cooler – Inspect
– Engine Oil Pressure – Test
– Engine Oil Pump – Inspect
– Engine Valve Lash – Inspect
– Excessive Bearing Wear – Inspect
– Excessive Engine Oil Consumption – Inspect
– Exhaust Cooler (NRS) – Test
– Finding Top Center Position for No. 1 Piston
– Flywheel – Inspect
– Flywheel Housing – Inspect
– Fuel Injection
– Fuel Injection – Engines with a Primary and Secondary Fuel
– Fuel Injection Timing – Check
– Fuel Quality – Test
– Fuel System – Inspect
– Fuel System – Prime
– Gear Group (Front) – Time
– Gear Group – Inspect
– Glossary of Electronic Control Terms
– Increased Engine Oil Temperature – Inspect
– Introduction
– Lubrication System
– Piston Height – Inspect
– Piston Ring Groove – Inspect
– Position the Valve Mechanism Before Maintenance Procedures
– Power Sources
– Turbocharger – Inspect – Series Turbochargers
– Turbocharger – Inspect – Single Turbocharger
– V-Belt – Test
– Valve Depth – Inspect
– Valve Guide – Inspect
– Water Pump – Inspect
– Water Temperature Regulator – Test
Troubleshooting C4.4 Engines
– Acceleration Is Poor or Throttle Response Is Poor
– Aftertreatment Identification Module – Test
– Alternator Problem – Charging Problem and/or Noisy
– Battery Problem
– Belt Tensioner Noise
– CAN Data Link – Test
– Clean Emissions Module Has High Oxygen Level
– Codes that Inhibit Operation of Aftertreatment System
– Component Location
– Configuration Parameters
– Coolant Contains Oil
– Coolant Level – Test
– Coolant Level Is Low
– Coolant Temperature Is High
– Coolant Temperature Is Low
– Cooling Fan – Calibrate – If Applicable
– Cooling Fan Control – Test – Hydraulic Driven Fan
– Crankcase Breather Ejects Oil
– Crankcase Fumes Disposal Tube Has Oil Draining
– Customer Passwords
– Cylinder Is Noisy
– Data Link – Test
– Data Link Configuration Status – Test
– DEF Concentration Is Incorrect
– DEF Control Module Power – Test
– DEF Line Heater – Test
– DEF Pressure Does Not Respond
– DEF Pressure Is High
– DEF Pressure Is Low
– DEF Pump – Test
– DEF Pump Pressure Sensor – Test
– DEF Pump Sensor Supply – Test
– DEF Tank Level Is Low
– DEF Tank Sensor – Test
– DEF Tank Temperature Is High
– DEF Tank Temperature Is Low
– Diagnostic Capabilities
– Diagnostic Trouble Codes
– Diesel Oxidation Catalyst Has Incorrect Inlet Temperature
– Diesel Oxidation Catalyst Has Low Conversion Efficiency
– Diesel Particulate Filter Collects Excessive Soot – If Equipped
– Diesel Particulate Filter Regeneration
– Diesel Particulate Filter Temperature Is Low – If Equipped
– ECM – Replace
– ECM Software – Install
– ECM Will Not Accept Factory Passwords
– Electrical Connectors
– Electrical Connectors – Inspect
– Electrical Power Supply – Test
– Electronic Service Tool Does Not Communicate
– Electronic Service Tools
– Engine Cranks but Does Not Start
– Engine Does Not Crank
– Engine Has Early Wear
– Engine Has Mechanical Noise (Knock)
– Engine Misfires, Runs Rough or Is Unstable
– Engine Monitoring System
– Engine Overcrank Occurrence
– Engine Overspeeds
– Engine Shutdown Occurrence
– Engine Shutdown Occurs Intermittently
– Engine Stalls at Low RPM
– Engine Top Speed Is Not Obtained
– Engine Vibration Is Excessive
– Ether Starting Aid – Test
– Event Codes
– Exhaust Has Excessive Black Smoke
– Exhaust Has Excessive White Smoke
– Exhaust System Contains Coolant
– Exhaust System Contains Oil
– Exhaust Temperature Is High
– Factory Passwords
– Fuel Consumption Is Excessive
– Fuel Contains Water
– Fuel Filter Is Restricted
– Fuel Pressure Is Low
– Fuel Rail Pressure Problem
– Fuel Temperature Is High
– Fuel Transfer Pump – Test
– General Information
– Glow Plug Starting Aid – Test
– Idle Validation – Test
– Indicator Lamp – Test
– Injector Code – Calibrate
– Injector Data Incorrect – Test
– Injector Solenoid – Test
– Inlet Air Is Restricted
– Intake Manifold Air Pressure Is High
– Intake Manifold Air Pressure Is Low
– Intake Manifold Air Temperature Is High
– Mode Selection – Test
– Motorized Valve – Test
– NOx Conversion Is Low
– NOx Sensor – Test
– NRS Exhaust Gas Temperature Is High
– NRS Mass Flow Rate Problem
– Oil Consumption Is Excessive
– Oil Contains Coolant
– Oil Contains Fuel
– Oil Level Is Low
– Oil Pressure Is Low
– Power Is Intermittently Low or Power Cutout Is Intermittent
– Power Take-Off – Test
– Relay – Test – Aftertreatment Power Relay
– Relay – Test – Start Relay
– SCR Catalyst Has Incorrect Inlet Temperature
– SCR Inducement Emergency Override
– SCR Warning System Problem
– Sensor (Data Link Type) – Test
– Sensor Calibration Required – Test
– Sensor Signal (Analog, Active) – Test
– Sensor Signal (Analog, Passive) – Test
– Sensor Supply – Test
– Service Information Report
– Service Tool Error Identifiers
– Service Tool Features
– Solenoid Valve – Test – Solenoid Valves that Connect to the
– Solenoid Valve – Test – Solenoid Valves that Connect to the
– Soot Sensor – Test
– Speed Control – Test – Analog
– Speed Control – Test – PWM
– Speed/Timing – Test
– Switch Circuits – Test – Air Filter Restriction Switch
– Switch Circuits – Test – Multiposition Throttle Switch
– System Overview
– Test ECM Mode
– Valve Lash Is Excessive
– Valve Position – Test
– Water in Fuel – Test
– Welding Precaution