Service manual Caterpillar 966H Wheel Loader with C11 Engine | BS600001-UP

950H, 962H, 966H, 972H, 980H and 986H Wheel Loaders 5 Gauge Cluster
– Alarm – Test
– CAN Data Link – Test
– Cat Data Link – Test
– Charging System – Test
– Condition Switch (Two Wire) – Test
– Connector Contact Description
– Connector Locations
– Data Link
– Determining Diagnostic Trouble Codes
– Diagnostic Capabilities
– Diagnostic Trouble Codes
– Display Module
– Electrical Connector – Inspect
– Electrical Power Supply – Test
– Emerging Symptom Information
– Event Codes
– General Information
– General Information
– Input Components
– Modes of Operation
– Module – Flash Program
– Module – Replace
– Monitoring System
– Operator Control Switch (Switch to Battery) – Test
– Operator Control Switch (Switch to Ground) – Test
– Output Components
– Self Test
– Sensor Signal (Analog, Passive) – Test
– Sensor Supply – Test
– Service Tools
– Symptom Troubleshooting
– System Schematic
– Warning Operation
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
966H and 972H Wheel Loaders Braking and Hydraulic Fan System
– Air Pump (Variable Pitch Fan) Pressure – Test
– Brake Accumulator
– Brake Accumulator – Test and Charge
– Brake and Hydraulic Fan System Troubleshooting
– Brake Control Valve (Parking)
– Brake Control Valve (Service)
– Brake System Air – Purge
– Control Manifold (Brake, Hydraulic Fan)
– Control Manifold (Charging Valve for the Brake
– Gear Motor (Hydraulic Fan)
– General Information (Brake, Hydraulic Fan System)
– Hydraulic Fan Speed – Test and Adjust
– Hydraulic Fan System
– Hydraulic Oil Contamination – Test
– Limit Switch (Stop Light) – Adjust
– Machine Preparation for Troubleshooting
– Monitoring System (Brake Functions)
– Oil Coolers and Cooling System Operation
– Parking Brake
– Parking Brake – Manual Release
– Parking Brake – Test
– Parking Brake Actuator – Adjust
– Parking Brake Control Cable – Adjust
– Piston Pump (Brake, Hydraulic Fan)
– Position Sensor (Left Brake Pedal)
– Pressure Tap Locations
– Rocker Switch (Transmission Neutralizer Override Control)
– Service Brake System Pressure – Test
– Service Brake Wear Indicator
– Service Brake Wear Indicator (Existing Brake Disc) – Check
– Service Brake Wear Indicator (New Brake Disc) – Check
– Service Brakes
– Service Brakes – Test
– System Pressure – Release
– Variable Pitch Fan Cycle Time – Adjust
– Variable Pitch Fan System – If Equipped
– Visual Inspection
966H, 972H and 980H Wheel Loaders Electrohydraulic System
– Calibration
– CAN Data Link – Test
– Cat Data Link – Test
– Charging System – Test
– Connector Locations
– Determining Diagnostic Trouble Codes
– Diagnostic Capabilities
– Diagnostic Trouble Codes
– ECM Location Code – Test
– Electrical Connector – Inspect
– Electrical Power Supply – Test
– Electronic Control Module (ECM) – Configure
– Electronic Control Module (ECM) – Flash Program
– Electronic Control Module (ECM) – Replace
– Emerging Symptom Information
– Event Codes
– General Information
– Glossary of Electrical Terms
– Hydraulic Fan Speed – Test and Adjust
– Hydraulic Oil Contamination – Test
– Hydraulic Oil Contamination – Test
– Hydraulic System Troubleshooting
– Implement Cycle Time – Check
– Implement Hydraulic Service Mode
– Lift and Tilt Cylinder Drift – Check
– Lift and Tilt Cylinder Drift – Check
– Machine Preparation for Troubleshooting
– Main Control Valve (Electronic Technician) – Calibrate
– Operator Control Switch (Switch to Ground) – Test
– Pilot Oil Accumulator – Test
– Pilot Pressure to the Main Control Valve – Check
– Pilot System Pressure – Test
– Piston Pump (Implement) Margin Pressure – Test and Adjust
– Position Sensor for the Electrohydraulic Control Levers or
– Position Sensor for the Lift and Tilt Linkage (Electronic
– Pressure Tap Locations
– Pressure Tap Locations
– Relief Valve (Line) – Test and Adjust
– Relief Valve (Load Sensing Signal) – Test and Adjust
– Relief Valve (Main) – Test and Adjust
– Ride Control Accumulator – Test and Charge
– Ride Control Accumulator – Test and Charge
– Ride Control Pressure Equalization Time – Adjust
– Sensor Signal (PWM) – Test
– Sensor Supply – Test
– Service Tools
– Solenoid Valve – Test
– Symptom Troubleshooting
– System Pressure – Release
– System Schematic
– Torque Converter Stall and Implement Pump Double Stall –
– Visual Inspection
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
966H, 972H and 980H Wheel Loaders Power Train Electronic Control System
– Alarm – Test
– Axle Housing and Bearing Preload – Adjust
– Calibration and Programming
– CAN Data Link – Test
– Cat Data Link – Test
– Condition Switch (Two Wire) – Test
– Connector Locations
– Diagnostic Capabilities
– Diagnostic Trouble Codes
– Differential and Final Drive Troubleshooting
– Differential Backlash and Bearings – Adjust
– Differential Pinion Preload – Adjust
– ECM Location Code – Test
– Electrical Connector – Inspect
– Electrical Power Supply – Test
– Electronic Control Module (ECM) – Configure
– Electronic Control Module (ECM) – Flash Program
– Electronic Control Module (ECM) – Replace
– Emerging Symptom Information
– Event Codes
– Fill Time for the Transmission Clutch (Electronic Technician) –
– Forward High Speed Lockout – Program
– General Information
– Glossary of Electrical Terms
– Limited Slip Differential Disc End Play – Check
– Machine Preparation for Troubleshooting
– Operator Control Switch (Switch to Ground) – Test
– Output Transfer Gears – Adjust
– Position Sensor (Left Brake Pedal) (Electronic Technician) –
– Position Sensor (Left Brake Pedal) (Operator Monitor) –
– Relay – Test
– Reverse High Speed Lockout – Program
– Ride Control Configuration – Program
– Secondary Steering – Program
– Sensor Signal (Analog, Passive) – Test
– Sensor Signal (PWM) – Test
– Sensor Supply – Test
– Service Tools
– Solenoid Valve – Test
– Speed Sensor – Adjust
– Speed Sensor – Test
– Symptom Troubleshooting
– System Schematic
– Torque Converter Stall – Test
– Torque Converter Troubleshooting
– Transmission Pressures – Test and Adjust
– Transmission Speed for Forward Directional Shift – Program
– Transmission Speed for Reverse Directional Shift – Program
– Transmission Troubleshooting
– Visual Inspection
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
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
Cat Payload Kit For Medium Wheel Loaders
– Editing Truck and Material Lists
– General Information (Calibration)
– Menu Navigation
– Normal Weighing Operation
– Reweigh Operation
– Scale System
– Service Menu
– Simple Calibration
– Software – Install
– Totals Menu
– Troubleshooting
– Zero Operation
Disassembly and Assembly 966H and 972H Wheel Loaders Engine Supplement
– Aftercooler Core – Remove and Install
– Air Cleaner – Remove and Install
– Alternator – Remove and Install
– Belt Tensioner – Remove and Install
– Cooling System Package (Radiator, Fan, Aftercooler, Oil
– Crankshaft Front Seal – Remove and Install
– Electric Starting Motor – Remove and Install
– Engine – Remove and Install
– Engine Compartment Shield – Remove and Install
– Engine Oil Cooler – Remove and Install
– Fan Group (Includes Fan, Fan Guard, Fan Shroud, and
– Fuel Filter (Secondary) and Fuel Filter Base – Remove and
– Fuel Priming Pump and Primary Filter (Water Separator) –
– Fuel Tank – Remove and Install
– Hood – Remove and Install
– Hood Tilt Actuator – Remove and Install
– Hydraulic and Axle Oil Cooler – Remove and Install
– Muffler – Remove and Install
– Radiator – Remove and Install
– Radiator Top Tank – Remove and Install
– Refrigerant Accumulator – Remove and Install
– Refrigerant Compressor – Remove and Install
– Refrigerant Condenser – Remove and Install
– Steering Frame Lock – Separate and Connect
– System Pressure – Release
– Transmission Oil Cooler – Remove and Install
– Turbocharger – Remove and Install
– Water Pump – Remove and Install
Disassembly and Assembly 966H and 972H Wheel Loaders PowerTrain
– Axle Housing – Assemble
– Axle Housing – Disassemble
– Carrier Bearing (Drive Shaft) – Remove and Install
– Control Manifold (Axle Oil Flow Divider) – Assemble
– Control Manifold (Axle Oil Flow Divider) – Disassemble
– Control Manifold (Axle Oil Flow Divider) – Remove and Install
– Differential – Assemble
– Differential – Disassemble
– Differential and Bevel Gear – Remove and Install
– Differential Pinion – Assemble
– Differential Pinion – Disassemble
– Drive Shaft (Center) – Remove and Install
– Drive Shaft (Front) – Remove and Install
– Drive Shaft (Rear) – Remove and Install
– Duo-Cone Conventional Seals – Install
– Fixed Axle (Front) – Remove and Install
– Heat Exchanger (Axle Oil Cooler) – Remove and Install
– Limited Slip Differential – Assemble
– Limited Slip Differential – Disassemble
– Modulating Valve (Transmission Clutch) – Remove and Install
– Oscillating Axle (Rear) – Remove and Install
– Output Transfer Gears – Assemble
– Output Transfer Gears – Disassemble
– Parking Brake – Remove and Install
– Parking Brake Actuator – Remove and Install
– Power Train Guard (Transmission) – Remove and Install
– Relief Valve (Torque Converter Outlet) – Assemble
– Relief Valve (Torque Converter Outlet) – Disassemble
– Relief Valve (Torque Converter Outlet) – Remove and Install
– Relief Valve (Transmission Hydraulic Control) – Assemble
– Relief Valve (Transmission Hydraulic Control) – Disassemble
– Relief Valve (Transmission Hydraulic Control) – Remove and
– Roading Fender (Rear) – Remove and Install
– Service Brakes – Remove and Install
– Steering Frame Lock – Separate and Connect
– System Pressure – Release
– Tire and Rim (Front) – Remove and Install
– Tire and Rim (Rear) – Remove and Install
– Torque Converter (Freewheel Stator) – Assemble
– Torque Converter (Freewheel Stator) – Disassemble
– Torque Converter from Transmission, Output Transfer Gears –
– Torque Converter to Transmission, Output Transfer Gears –
– Torque Converter, Transmission and Output Transfer Gears –
– Transmission from Output Transfer Gears – Separate
– Transmission Oil Pump – Assemble
– Transmission Oil Pump – Disassemble
– Transmission Oil Pump – Remove and Install
– Transmission Planetary – Assemble
– Transmission Planetary – Assemble
– Transmission Planetary – Disassemble
– Transmission Planetary – Disassemble
– Transmission to Output Transfer Gears – Connect
– Trunnion Support (Oscillating Axle, Front) – Remove and
– Trunnion Support (Oscillating Axle, Rear) – Remove and Install
Disassembly and Assembly 966H2 and 972H2 Wheel Loaders Machine Systems
– Blower Motor (Air Conditioner, Heater) – Remove and Install
– Brake Accumulator – Remove and Install
– Brake Control Valve (Parking) – Assemble
– Brake Control Valve (Parking) – Disassemble
– Brake Control Valve (Parking) – Remove and Install
– Brake Control Valve (Service) – Assemble
– Brake Control Valve (Service) – Disassemble
– Brake Control Valve (Service) – Remove and Install
– Bucket – Remove and Install
– Cab – Remove and Install
– Control Manifold (Brake Charge) (Hydraulic Fan Control) –
– Control Manifold (Brake Charge) (Hydraulic Fan Control) –
– Control Manifold (Brake Charge) (Hydraulic Fan Control) –
– Disconnecting Snap To Connect Fittings
– Electrohydraulic Control (Joystick) – Remove and Install
– Electrohydraulic Control – Remove and Install
– Evaporator Coil and Heater Coil – Remove and Install
– Gear Pump (Secondary Steering) – Assemble
– Gear Pump (Secondary Steering) – Disassemble
– Hydraulic Tank – Assemble
– Hydraulic Tank – Disassemble
– Hydraulic Tank – Remove and Install
– Instrument Panel (Lower) – Remove and Install
– Instrument Panel (Upper) – Remove and Install
– Lift Arms – Remove and Install
– Lift Cylinder – Remove and Install
– Lift Position Sensor and Mounting (Lift Kickout Control) –
– Loader Frame from Rear Frame – Separate
– Loader Frame to Rear Frame – Connect
– Lubrication Pump (Automatic) – Assemble
– Lubrication Pump (Automatic) – Disassemble
– Lubrication Pump (Automatic) – Remove and Install
– Main Control Valve – Assemble
– Main Control Valve – Disassemble
– Main Control Valve and Mounting Plate – Remove and Install
– Metering Pump (HMU) – Remove and Install
– Parking Brake Actuator – Remove and Install
– Parking Brake Actuator – Remove and Install
– Pilot Oil Accumulator (Dead Engine Lower) – Remove and
– Pilot Valve (Command Control Steering) – Assemble
– Pilot Valve (Command Control Steering) – Disassemble
– Pilot Valve (Command Control Steering) – Remove and Install
– Piston Motor (Hydraulic Fan) – Assemble
– Piston Motor (Hydraulic Fan) – Disassemble
– Piston Pump (Brake, Hydraulic Fan) – Assemble
– Piston Pump (Brake, Hydraulic Fan) – Disassemble
– Piston Pump (Brake, Hydraulic Fan) – Remove and Install
– Piston Pump (Implement, Pilot) – Assemble
– Piston Pump (Implement, Pilot) – Disassemble
– Piston Pump (Implement, Pilot) – Remove and Install
– Piston Pump (Steering) – Assemble
– Piston Pump (Steering) – Disassemble
– Piston Pump (Steering) – Remove and Install
– Ride Control Accumulator – Remove and Install
– Seat – Remove and Install
– Secondary Steering Pump and Electric Motor – Remove and
– Secondary Steering Valve – Assemble
– Secondary Steering Valve – Disassemble
– Secondary Steering Valve – Remove and Install
– Steering Control Valve – Assemble
– Steering Control Valve – Disassemble
– Steering Control Valve – Remove and Install
– Steering Cylinder – Remove and Install
– Steering Frame Lock – Separate and Connect
– Steering Neutralizer Valve (Command Control Steering) –
– Steering Neutralizer Valve (Command Control Steering) –
– Steering Neutralizer Valve (Command Control Steering) –
– Steering Neutralizer Valve (HMU Steering) – Assemble
– Steering Neutralizer Valve (HMU Steering) – Disassemble
– Steering Neutralizer Valve (HMU Steering) – Remove and
– Steering Shaft – Remove and Install
– Steering Wheel (Command Control Steering) – Remove and
– Steering Wheel (HMU Steering) – Remove and Install
– System Pressure – Release
– Tilt Cylinder – Remove and Install
– Tilt Lever – Remove and Install
– Tilt Link – Remove and Install
– Tilt Position Sensor and Mounting (Worktool Positioner
– Window Wiper and Wiper Motor (Front) – Remove and Install
– Window Wiper and Wiper Motor (Rear) – Remove and Install
Disassembly and Assembly C11 and C13 Engines for Caterpillar Built Machines
– Accessory Drive – Install
– Accessory Drive – Remove
– Alternator – Remove and Install
– Atmospheric Pressure Sensor – Remove and Install
– Bearing Clearance – Check
– Boost Pressure Sensor – Remove and Install
– Camshaft – Install
– Camshaft – Remove
– Camshaft Bearings – Install
– Camshaft Bearings – Remove
– Camshaft Gear – Remove and Install
– Camshaft Position Sensor – Remove and Install
– Crankshaft – Install
– Crankshaft – Remove
– Crankshaft Front Seal – Install
– Crankshaft Front Seal – Remove
– Crankshaft Gear – Remove and Install
– Crankshaft Main Bearings – Install
– Crankshaft Main Bearings – Remove
– Crankshaft Position Sensor – Remove and Install
– Crankshaft Rear Seal – Install
– Crankshaft Rear Seal – Remove
– Cylinder Head – Install
– Cylinder Head – Remove
– Cylinder Liner – Install
– Cylinder Liner – Remove
– Electric Starting Motor – Remove and Install
– Electronic Unit Injector – Install
– Electronic Unit Injector – Remove
– Electronic Unit Injector Sleeve – Install
– Electronic Unit Injector Sleeve – Remove
– Engine Control Module – Remove and Install
– Engine Oil Cooler – Install
– Engine Oil Cooler – Remove
– Engine Oil Filter Base – Assemble
– Engine Oil Filter Base – Disassemble
– Engine Oil Filter Base – Install
– Engine Oil Filter Base – Install
– Engine Oil Filter Base – Remove
– Engine Oil Filter Base – Remove
– Engine Oil Pan – Remove and Install
– Engine Oil Pressure Sensor – Remove and Install
– Engine Oil Pump – Assemble
– Engine Oil Pump – Disassemble
– Engine Oil Pump – Install
– Engine Oil Pump – Remove
– Exhaust Manifold – Remove and Install
– Fan Drive Mounting Group – Remove and Install
– Flywheel – Install
– Flywheel – Remove
– Flywheel Housing – Remove and Install
– Front Cover – Install
– Front Cover – Remove
– Fuel Filter Base – Remove and Install
– Fuel Temperature Sensor – Remove and Install
– Fuel Transfer Pump – Install
– Fuel Transfer Pump – Remove
– Gear Group (Front) – Install
– Gear Group (Front) – Remove
– Gear Group (Rear) – Remove and Install
– Housing (Front) – Install
– Housing (Front) – Remove
– Inlet Air Temperature Sensor – Remove and Install
– Inlet and Exhaust Valve Guides – Remove and Install
– Inlet and Exhaust Valve Seat Inserts – Remove and Install
– Inlet and Exhaust Valve Springs – Remove and Install
– Inlet and Exhaust Valves – Remove and Install
– Inlet Manifold – Install
– Inlet Manifold – Remove
– 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
– Rocker Shaft – Assemble
– Rocker Shaft – Disassemble
– Rocker Shaft and Pushrod – Install
– Rocker Shaft and Pushrod – Remove
– Turbocharger – Install
– Turbocharger – Remove
– Valve Actuator (Variable) – Remove and Install
– Valve Mechanism Cover – Remove and Install
– Valve Mechanism Cover Base – Remove and Install
– Vibration Damper and Pulley – Remove and Install
– Water Pump – Assemble
– Water Pump – Disassemble
– Water Pump – Install
– Water Pump – Remove
– Water Temperature Regulator – Remove and Install
MSS3s Machine Security System
– Cat Data Link – Test
– Connector Contact Description
– Connector Locations
– Data Links
– Determining Diagnostic Trouble Codes
– Diagnostic Capabilities
– Diagnostic Operation
– Diagnostic Trouble Codes
– ECM – Configure
– ECM – Replace
– ECM Output Driver – Test
– ECM Software – Install
– Electrical Connector – Inspect
– Electrical Power Supply – Test
– Electronic Control Module (ECM)
– Emerging Symptom Information
– Engine Does Not Crank and Status Indicator Is Green
– Engine Does Not Start and Status Indicator Is Continuously
– Events
– Factory Password – Obtain
– General Information
– General Information
– General Information
– Glossary of Terms
– Key – Program
– Key Information
– Lost Key (MSS)
– Machine Preparation for Troubleshooting
– Normal Operation
– Operation of Status Indicator
– Product Identification Number – Program
– Protected Functions
– Scheduled Access – “Security System Bypass Times”
– Service Operation Using Machine Security System
– Service Operation Using Service Tool
– Service Tools
– Software – Uninstall – “Immobilizer” Feature
– Symptom Troubleshooting
– System Components
– System Disarm – Program – Security System Bypass
– System Overview
– System Schematic
– Time – Set
– Visual Inspection
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
Machine Security System
– Cat Data Link
– Diagnostic Code List
– Diagnostic Operation
– Electrical Component and Connector Locations
– Electrical Connector – Inspect
– Electronic Control Module (ECM)
– Electronic Control Module (ECM) – Flash Program
– Electronic Control Module (ECM) – Replace
– Emerging Symptom Information
– Engine Does Not Crank and Status Indicator Is Green
– Engine Does Not Start and Status Indicator Is Continuously
– Events
– Factory Password – Obtain
– General Information
– General Information
– General Information
– Glossary of Terms
– Key – Program
– Key Information
– Lost Key
– MID 124 – CID 0168 – FMI 00
– MID 124 – CID 0168 – FMI 01
– MID 124 – CID 0248 – FMI 12
– MID 124 – CID 0817 – FMI 04
– MID 124 – CID 1391 – FMI 03
– MID 124 – CID 1391 – FMI 04
– MID 124 – CID 1392 – FMI 03
– MID 124 – CID 1392 – FMI 04
– Normal Operation
– Operation of Status Indicator
– Product Identification Number – Program
– Protected Functions
– Scheduled Access – “Security System Bypass Times”
– Service Operation Using Machine Security System
– Service Operation Using Service Tool
– Service Tools
– Software – Uninstall – “Immobilizer” Feature
– Symptom Troubleshooting
– System Components
– System Disarm – Program – Security System Bypass
– System Overview
– System Schematic
– Time – Set
– Using Caterpillar Electronic Technician to Determine
Medium Wheel Loaders (MWL) Payload Control System (PCS) 3.0
– Calibration
– Component Description
– Connector Locations
– Diagnostic Capabilities
– Diagnostic Code List
– Download Operation
– Electrical Connector – Inspect
– Electronic Control Module (ECM) – Configure
– Electronic Control Module (ECM) – Flash Program
– Electronic Control Module (ECM) – Replace
– General Information
– General Information
– MID 074 – CID 0168 – FMI 03
– MID 074 – CID 0168 – FMI 04
– MID 074 – CID 0364 – FMI 02
– MID 074 – CID 0364 – FMI 03
– MID 074 – CID 0364 – FMI 04
– MID 074 – CID 0364 – FMI 08
– MID 074 – CID 0591 – FMI 12
– MID 074 – CID 0769 – FMI 02
– MID 074 – CID 0769 – FMI 03
– MID 074 – CID 0769 – FMI 04
– MID 074 – CID 0769 – FMI 08
– MID 074 – CID 1964 – FMI 02
– MID 074 – CID 1964 – FMI 03
– MID 074 – CID 1964 – FMI 04
– MID 074 – CID 1964 – FMI 08
– MID 074 – CID 1964 – FMI 13
– Reweigh Operation
– Service Tools
– System Schematic
– System Setup
– Using Caterpillar Electronic Technician to Determine
– Using Messenger to Determine Diagnostic Codes
– VIMSpc Software
– Weighing Operation
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
– Zero Operation
Schematic Caterpillar 966H and 972H Wheel Loader Electrical System
– Feature
– Cover Page
– Information
– Component Location
– Vol 1 – Engine and Chassis Wiring
– Vol 2 – Cab Wiring
– Connector Location
– Vol 1 – Engine and Chassis Wiring
– Vol 2 – Cab Wiring
– Schematics
– Function Isolation Tools
– Grids On/Off
– All Circuits Off
– All Circuits On
– Vol 1 – Engine and Chassis Wiring
– Unspecified Circuit
– Black (Ground)
– 032 (Red) (Battery Power)
– 640 (Blue) (Key Power)
– 021 (Orange) (Starting)
– 190 (Dk Pink) (Start Aid)
– 258 (Dk Purple) (Machine Control Circuit)
– 509 (Lt Pink) (Engine Control Circuit)
– 613 (Dk Yellow) (Heat/AC)
– 4665 (Tan) (Turn/Wiper/Washer)
– CON 346 (CAT D.L.)
– CON 509 (J1939/1587 D.L.)
– SUB 141 (Lt Orange) (Impl/Valve/Tool)
– Vol 2 – Cab Wiring
– Unspecified Circuit
– Black (Ground)
– 032 (Red) (Battery Power)
– 640 (Blue) (Key Power)
– 305 (Lt Blue) (Converter 12v Out)
– 021 (Orange) (Starting)
– 190 (Dk Pink) (Start Aid)
– 258 (Dk Purple) (Machine Control Circuit)
– 430 (Dk Gray) (Machine Security)
– 509 (Lt Pink) (Engine Control Circuit)
– 613 (Dk Yellow) (Heat/AC)
– 4665 (Tan) (Turn/Wiper/Washer)
– CON 346 (CAT D.L.)
– CON 032 (RS232/485 D.L.)
– SUB 141 (Lt Orange) (Implement Control Circuit)
– CON 190 (CAN “A” D.L.)
– Machine Views
– Vol 1 – Engine and Chassis Wiring
– Chassis Wiring
– Engine Wiring
– Front Frame Wiring (LH Frame)
– Front Frame Wiring (RH Frame)
– Hydraulic Tank Wiring
– Service Center Wiring
– Transmission Wiring
– Variable Fan Wiring
– Vol 2 – Cab Wiring
– Dash Wiring
– Headliner Wiring
– Implement Pod (JOYSTICK) Wiring
– Implement Pod Wiring
– Panel ‘B’ Wiring
– PCS Wiring
– Product Link Wiring
– Rear Cab Wiring
Schematic Caterpillar 966H and 972H Wheel Loader Hydraulic System
– Features
– Cover Page
– Information
– Component Location
– Page 1 of 2
– Page 2 of 2
– Tap Location
– Fluid Power Symbols
– Electrical Symbols
– Schematic
– Machine Views
– Left Side Front View (CCS Steering)
– Left Side Front View (HMU Steering)
– Left Side Rear View
– Right Side Front View (HMU Steering)
– Right Side Rear View
– Right Side View (CCS Steering)
Schematic Caterpillar Cat Payload Kit For Medium Wheel Loaders Electrical System
Specifications 966H and 972H Wheel Loaders Braking and Hydraulic Fan System
– Air Pump (Variable Pitch Fan)
– Brake Accumulator
– Brake Accumulator
– Brake and Hydraulic Fan Pump and Mounting
– Brake and Planetary
– Brake Control Valve (Parking)
– Brake Control Valve (Service)
– Breaker Relief Valve
– Check Valve (Hydraulic Oil Cooler Bypass)
– Control Manifold (Brake Charge) (Hydraulic Fan Control)
– Control Manifold (Brake Charge) (Hydraulic Fan Control)
– Foot Brake Control
– Hydraulic Lines
– Hydraulic Tank
– Limit Switch (Stop Light)
– Oil Filter (Hydraulic)
– Oil Filter (Hydraulic)
– Parking Brake
– Parking Brake Actuator
– Parking Brake Control
– Parking Brake Control Cable
– Parking Brake Control Cable
– Piston Motor (Hydraulic Fan)
– Piston Motor (Hydraulic Fan)
– Piston Pump (Brake, Hydraulic Fan)
– Position Sensor (Left Brake Pedal)
– Pressure Switch (Parking Brake Oil)
– Shuttle Valve (Brake Accumulator)
– Solenoid Valve (Brake Accumulator Charge)
– Suction Fan
– Temperature Sensor (Hydraulic Oil)
Specifications 966H and 972H Wheel Loaders Electrohydraulic System
– Accumulator (Pilot Oil)
– Air Pump (Variable Pitch Fan)
– Breaker Relief Valve
– Bucket Control
– Check and Relief Valve
– Check Valve (Hydraulic Oil Cooler Bypass)
– Check Valve (Pilot)
– Control Valve (Auxiliary)
– Control Valve (Auxiliary)
– Coupler Cylinder – Quick Coupler
– Coupler Lines
– Coupler Lines
– Diverter Valve (Quick Coupler)
– Electrohydraulic Control
– Electrohydraulic Control
– Electrohydraulic Control (Joystick)
– Hydraulic Oil Cooler Lines Group
– Hydraulic Tank
– Lift Cylinder
– Lift Cylinder
– Main Control Valve
– Makeup Valve – Bucket Lift
– Manifold Group
– Oil Filter (Hydraulic)
– Oil Filter (Hydraulic)
– Pilot Oil Accumulator (Dead Engine, Lift Arm Lower)
– Pilot Oil Accumulator (Dead Engine, Lift Arm Lower)
– Piston Motor (Hydraulic Fan)
– Piston Motor (Hydraulic Fan)
– Piston Pump (Implement) (Pilot)
– Pump Control Valve
– Relief Valve
– Relief Valve
– Relief Valve
– Relief Valve
– Relief Valve (Line)
– Relief Valve – Axle oil
– Ride Control Accumulator – Charge
– Solenoid Valve (Hydraulic Lockout)
– Solenoid Valve (Pilot Proportioning)
– Solenoid Valve (Quick Coupler)
– Temperature Sensor (Hydraulic Oil)
– Tilt Cylinder
– Tilt Cylinder (Logging Machines)
– Work Tool Control
Specifications 966H and 972H Wheel Loaders Machine Systems
– Air Cleaner
– Air Conditioner
– Air Conditioner Lines
– Air Conditioner Lines
– Air Lines
– Air Lines
– Alternator
– Armrest
– Battery Box
– Bucket Control
– Cab Air Duct
– Cab Heater Lines
– Cab Liner
– Cab Mounting
– Cab Visor
– Control (Autodig)
– Control (Autodig)
– Counterweight
– Counterweight
– Cutting Edges, End Bits and Teeth
– Cutting Edges, End Bits and Teeth
– Cutting Edges, End Bits and Teeth
– Cutting Edges, End Bits and Teeth
– Cutting Edges, End Bits and Teeth
– Enclosed Rollover Protective Structure (ROPS)
– Engine Compartment Shield
– Fasteners
– Fender
– Fender
– Flood Lamp
– Flood Lamp
– Front Guard
– Fuel Level Sender
– Fuel Tank
– Governor Pedal
– Grease Lines
– Hood
– Hood
– Hood Tilt Actuator
– Instrument Panel
– Instrument Panel
– Instrument Panel
– Lift Arm
– Lift Arm
– Lift Arm
– Lines (Diagnostic)
– Monitor and Mounting
– Position Sensor (Lift Linkage, Tilt Linkage)
– Position Sensor (Throttle)
– Power Guard Actuator
– Push Button Switch
– Quick Coupler
– Radiator and Fan
– Radiator and Fan
– Radiator Cap
– Refrigerant Compressor
– Refrigerant Condenser and Mounting
– Side Panel
– Switches
– Temperature Sensor
– Toggle Switch (Ground Level Shutdown)
– Toggle Switch (Hood Tilt)
– Window Washer
– Window Wiper and Wiper Motor
– Wiring (Cab)
Specifications 966H and 972H Wheel Loaders Power Train
– Axle Mounting
– Bevel Gear and Pinion (Fixed Axle)
– Bevel Gear and Pinion (Fixed Axle)
– Bevel Gear and Pinion (Oscillating Axle)
– Brake and Planetary
– Control Manifold (Axle Oil Flow Divider)
– Control Manifold (Axle Oil Flow Divider)
– Differential (Standard)
– Drive Shaft
– Engine and Transmission Mounting
– Fixed Axle Housing (Front)
– Fixed Axle Housing (Front)
– Fixed Axle Housing (Front)
– Heat Exchanger (Axle Oil Cooler)
– Limited Slip Differential
– Modulating Valve (Transmission Clutch)
– Modulating Valve (Transmission Clutch)
– Oil Filter (Power Train)
– Oscillating Axle Housing (Rear)
– Oscillating Axle Housing (Rear)
– Oscillating Axle Housing (Rear)
– Output Transfer Gears
– Power Train Oil Filler
– Relief Valve (Torque Converter Inlet)
– Relief Valve (Torque Converter Outlet)
– Relief Valve (Transmission Hydraulic Control)
– Rim Mounting
– Solenoid Valve (Differential Lock)
– Speed Sensor (Torque Converter Output)
– Speed Sensor (Torque Converter Output) (Transmission
– Speed Sensor (Transmission Output)
– Temperature Sensor (Front Axle Oil) (Rear Axle Oil)
– Temperature Sensor (Torque Converter Oil)
– Temperature Sensor (Torque Converter Oil)
– Temperature Sensor (Transmission Oil)
– Torque Converter
– Torque Converter and Pump Drive Housing
– Transmission Case
– Transmission Hydraulic Control
– Transmission Hydraulic Control
– Transmission Oil Filter
– Transmission Oil Pump
– Transmission Planetary
– Transmission Planetary
Specifications 966H and 972H Wheel Loaders Steering System
– Accumulator (Steering) – Uncharged
– Articulated Hitch
– Breaker Relief Valve
– Check Valve (Steering Quad) (Command Control Steering)
– Hydraulic Filter and Lines
– Hydraulic Tank
– Metering Pump (HMU Steering)
– Metering Pump (HMU)
– Pilot Valve (Command Control Steering)
– Pilot Valve (Steering)
– Piston Pump (Steering)
– Pressure Reducing Valve (Steering)
– Pump Control Valve (Pressure, Flow Compensator)
– Relay (Secondary Steering Motor)
– Relief Valve
– Relief Valve
– Relief Valve
– Relief Valve
– Relief Valve (Pump Backup)
– Relief Valve (Steering Cylinder Crossover)
– Relief Valve – Axle oil
– Relief Valve – Direct operated
– Secondary Steering Pump and Electric Motor
– Secondary Steering Valve
– Shuttle Valve
– Solenoid Valve (Pilot Proportioning)
– Steering Control (Command Control Steering)
– Steering Control (HMU Steering)
– Steering Control Valve
– Steering Control Valve (Command Control Steering)
– Steering Control Valve (HMU Steering)
– Steering Cylinder
– Steering Lines
– Steering Neutralizer Valve
– Steering Neutralizer Valve (Command Control Steering)
– Steering Neutralizer Valve (HMU Steering)
– Temperature Sensor (Hydraulic Oil)
Specifications C11 and C13 Engines
– Air Cleaner
– Air Cleaner
– Air Cleaner
– Air Cleaner
– Air Cleaner
– Air Cleaner – Precleaner
– Air Lines
– Air Lines
– Air Lines
– Air Lines
– Air Lines
– Air Lines
– Air Lines
– Air Lines
– Alternator and Regulator
– Alternator and Regulator
– Alternator and Regulator
– Alternator and Regulator
– Alternator and Regulator
– Alternator and Regulator
– Alternator and Regulator
– Alternator and Regulator
– Alternator and Regulator
– Alternator and Regulator
– Alternator Mounting
– Alternator Mounting
– Alternator Mounting
– Atmospheric Pressure Sensor
– Atmospheric Pressure Sensor
– Atmospheric Pressure Sensor
– Atmospheric Pressure Sensor
– Atmospheric Pressure Sensor
– Atmospheric Pressure Sensor
– Atmospheric Pressure Sensor
– Belt Tensioner
– Belt Tensioner
– Belt Tensioner
– Belt Tensioner
– Belt Tensioner
– Belt Tensioner
– Belt Tensioner
– Belt Tensioner
– Belt Tensioner
– Belt Tensioner
– Belt Tensioner
– Belt Tensioner – Alternator and Compressor
– Camshaft
– Camshaft
– Camshaft
– Camshaft
– Camshaft
– Connecting Rod
– Connecting Rod
– Connecting Rod
– Connecting Rod
– Connecting Rod Bearing Journal
– Connecting Rod Bearing Journal
– Coolant Temperature Sensor
– Coolant Temperature Sensor
– Coolant Temperature Sensor
– Coolant Temperature Sensor
– Crankshaft
– Crankshaft
– Crankshaft
– Crankshaft
– Crankshaft
– Crankshaft Seals
– Crankshaft Seals
– Crankshaft Seals
– Crankshaft Seals
– Cylinder Block
– Cylinder Block
– Cylinder Block
– Cylinder Block
– Cylinder Head
– Cylinder Head
– Cylinder Head
– Cylinder Head
– Cylinder Head Valves
– Cylinder Head Valves
– Cylinder Head Valves
– Cylinder Head Valves
– Cylinder Head Valves
– Cylinder Head Valves
– Cylinder Head Valves
– Cylinder Head Valves
– Cylinder Head Valves
– Cylinder Liner
– Cylinder Liner
– Cylinder Liner
– Cylinder Liner
– Cylinder Liner
– Electric Starting Motor
– Electric Starting Motor
– Electric Starting Motor
– Electric Starting Motor
– Electric Starting Motor
– Electric Starting Motor
– Electric Starting Motor
– Electric Starting Motor
– Electric Starting Motor
– Electric Starting Motor
– Electric Starting Motor
– Electric Starting Motor
– Electric Starting Motor
– Electronic Unit Injector
– Electronic Unit Injector Mechanism
– Electronic Unit Injector Mechanism
– Electronic Unit Injector Rocker Arm
– Electronic Unit Injector Wiring
– Electronic Unit Injector Wiring
– Engine Mounting
– Engine Mounting
– Engine Mounting
– Engine Oil Cooler
– Engine Oil Cooler
– Engine Oil Cooler
– Engine Oil Cooler
– Engine Oil Filter
– Engine Oil Filter Base
– Engine Oil Filter Base
– Engine Oil Filter Base
– Engine Oil Filter Base
– Engine Oil Filter Base
– Engine Oil Filter Base
– Engine Oil Filter Base
– Engine Oil Filter Base
– Engine Oil Filter Base
– Engine Oil Filter Base
– Engine Oil Filter Base
– Engine Oil Filter Base
– Engine Oil Level Switch – If Equipped
– Engine Oil Pan
– Engine Oil Pan
– Engine Oil Pan
– Engine Oil Pan
– Engine Oil Pan
– Engine Oil Pan
– Engine Oil Pan
– Engine Oil Pan
– Engine Oil Pan
– Engine Oil Pan
– Engine Oil Pan
– Engine Oil Pan
– Engine Oil Pan
– Engine Oil Pressure Sensor
– Engine Oil Pressure Sensor
– Engine Oil Pressure Sensor
– Engine Oil Pressure Sensor
– Engine Oil Pressure Sensor
– Engine Oil Pressure Sensor
– Engine Oil Pressure Sensor
– Engine Oil Pump
– Engine Oil Pump
– Engine Oil Pump
– Engine Oil Pump – Gerotor Pump
– Engine Support (Front)
– Engine Support (Front)
– Engine Support (Front)
– Engine Support (Front)
– Engine Support (Front)
– Exhaust Manifold
– Exhaust Manifold
– Exhaust Manifold
– Exhaust Manifold
– Exhaust Manifold
– Exhaust Manifold
– Exhaust Manifold
– Exhaust Manifold
– Fan Drive
– Fan Drive
– Fan Drive
– Fan Drive
– Fan Drive
– Fan Drive
– Fan Drive
– Flywheel
– Flywheel
– Flywheel
– Flywheel
– Flywheel
– Flywheel
– Flywheel
– Flywheel
– Flywheel Housing
– Flywheel Housing
– Flywheel Housing
– Flywheel Housing
– Flywheel Housing
– Flywheel Housing
– Flywheel Housing
– Flywheel Housing
– Flywheel Housing
– Flywheel Housing
– Flywheel Housing Cover
– Flywheel Housing Cover
– Flywheel Housing Cover
– Flywheel Housing Cover
– Flywheel Housing Cover
– Front Housing and Covers
– Front Housing and Covers
– Front Housing and Covers
– Front Housing and Covers
– Fuel Filter Base
– Fuel Filter Base
– Fuel Filter Base
– Fuel Filter Base
– Fuel Filter Base
– Fuel Filter Base
– Fuel Filter Base
– Fuel Filter Base
– Fuel Filter Base
– Fuel Filter Base
– Fuel Filter Base
– Fuel Injector
– Fuel Pressure Regulator
– Fuel Pressure Sensor
– Fuel Pressure Sensor
– Fuel Priming Pump
– Fuel Temperature Sensor
– Fuel Temperature Sensor
– Fuel Temperature Sensor
– Fuel Temperature Sensor
– Fuel Temperature Sensor
– Fuel Transfer Pump
– Fuel Transfer Pump
– Fuel Transfer Pump
– Gear Group (Front)
– Gear Group (Front)
– Gear Group (Front)
– Housing (Front)
– Inlet Manifold Air Pressure Sensor
– Inlet Manifold Air Pressure Sensor
– Inlet Manifold Air Pressure Sensor
– Inlet Manifold Air Pressure Sensor
– Inlet Manifold Temperature Sensor
– Inlet Manifold Temperature Sensor
– Inlet Manifold Temperature Sensor
– Inlet Manifold Temperature Sensor
– Inlet Manifold Temperature Sensor – Charge Air Cooler Outlet
– Liquid Level Sensor (Water Separator)
– Liquid Level Sensor (Water Separator)
– Main Bearing Journal
– Main Bearing Journal
– Main Bearing Journal
– Main Bearing Journal
– Muffler
– Muffler
– Muffler
– Muffler
– Muffler
– Muffler
– Muffler
– Piston and Rings
– Piston and Rings
– Piston and Rings
– Piston and Rings
– Piston and Rings
– Piston and Rings
– Piston and Rings
– Piston and Rings
– Piston and Rings
– Piston Cooling Jet
– Piston Cooling Jet
– Piston Cooling Jet
– Piston Cooling Jet
– Speed/Timing Sensor
– Speed/Timing Sensor
– Speed/Timing Sensor
– Speed/Timing Sensor
– Speed/Timing Sensor
– Speed/Timing Sensor
– Speed/Timing Sensor
– Speed/Timing Sensor
– Speed/Timing Sensor
– Speed/Timing Sensor
– Turbocharger
– Turbocharger
– Turbocharger
– Turbocharger
– Turbocharger
– Turbocharger
– Turbocharger
– Turbocharger
– Turbocharger
– Turbocharger
– Turbocharger
– Turbocharger
– Turbocharger
– Turbocharger
– Turbocharger
– Valve Mechanism
– Valve Mechanism Cover
– Valve Mechanism Cover
– Valve Mechanism Cover
– Valve Mechanism Cover
– Valve Mechanism Cover
– Valve Mechanism Cover
– Valve Mechanism Cover
– Valve Mechanism Cover
– Valve Mechanism Cover
– Valve Mechanism Cover
– Valve Rocker Arm
– Valve Rocker Arm
– Valve Rocker Arm
– Water Pump
– Water Pump
– Water Pump
– Water Pump
– Water Pump
– Water Pump
– Water Pump
– Water Pump
– Water Temperature Regulator
– Water Temperature Regulator
– Water Temperature Regulator
– Water Temperature Regulator
– Water Temperature Regulator Housing
– Water Temperature Regulator Housing
Systems Operation & Testing and Adjusting 966H and 972H Wheel Loaders Steering System
– Articulated Hitch – Adjust
– Check Valve (Steering Quad) (Command Control Steering)
– Command Control Steering – Adjust
– General Information (Steering) – Command Control Steering
– General Information (Steering) – HMU Steering
– Hydraulic Oil Contamination – Test
– Machine Preparation for Troubleshooting
– Metering Pump (HMU Steering)
– Monitoring System (Steering Functions)
– Pilot Valve (Command Control Steering)
– Pilot Valve (Command Control Steering) Supply Pressure –
– Piston Pump (Steering)
– Piston Pump (Steering) High Pressure Stall – Test and Adjust
– Piston Pump (Steering) Low Pressure Standby – Test and
– Piston Pump (Steering) Margin Pressure – Test and Adjust
– Pressure Tap Locations
– Relief Valve (Steering Cylinder Crossover) – Test and Adjust
– Secondary Steering Pump and Electric Motor
– Secondary Steering System (Command Control Steering)
– Secondary Steering System (HMU Steering)
– Secondary Steering Valve
– Steering Control Valve (Command Control Steering)
– Steering Control Valve (HMU Steering)
– Steering Control Valve – Adjust
– Steering Neutralizer Valve
– Steering Neutralizer Valve – Check and Adjust
– Steering Pilot System Pressure – Test – Command Control
– Steering System Troubleshooting
– Steering Time – Check – Command Control Steering
– Steering Time – Check – HMU Steering
– System Pressure – Release
– Visual Inspection
Systems Operation & Testing and Adjusting C11 and C13 Engines for Caterpillar Built Machines
– Air in Fuel – Test
– Air Inlet and Exhaust System
– Air Inlet and Exhaust System – Inspect
– Basic Engine
– Battery – Test
– Charging System – Test
– Compression – Test
– Compression Brake Lash – Adjust
– Connecting Rod Bearings – Inspect
– Cooling System
– Cooling System – Check – Overheating
– Cooling System – Inspect
– Cooling System – Test
– Cylinder Block – Inspect
– Cylinder Liner Projection – Inspect
– Electric Starting System – Test
– Electrical System
– Electronic Control System Components
– Electronic Unit Injector – Adjust
– Electronic Unit Injector – Test
– Engine Crankcase Pressure (Blowby) – Test
– Engine Oil Pressure – Test
– 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 Quality – Test
– Fuel System
– Fuel System – Inspect
– Fuel System – Prime
– Fuel System Pressure – Test
– Gear Group (Front) – Time
– General Information
– Increased Engine Oil Temperature – Inspect
– Inlet Manifold Pressure – Test
– Lubrication System
– Main Bearings – Inspect
– Pinion Clearance – Adjust
– Piston Ring Groove – Inspect
– Turbocharger – Inspect
– Variable Valve Actuators – Inspect/Adjust
– Vibration Damper – Check
– Water Pump – Test
– Water Temperature Regulator – Test
Systems Operation 966H and 972H Wheel Loaders Electrohydraulic System
– Aggregate Autodig
– Cat Data Link
– Data Link
– Electrohydraulic Control
– Electronic Control Module
– General Information (Electrohydraulic System)
– Implement Electronic Control System
– Input Components
– Main Control Valve
– Monitoring System (Hydraulic Functions)
– Oil Coolers and Cooling System Operation
– Output Components
– Piston Pump (Implement) (Pilot)
– Relief Valve (Line)
– Relief Valve (Load Sensing Signal)
– Ride Control System
– Solenoid Valves (Implement)
Systems Operation 966H and 972H Wheel Loaders Power Train
– Autoshift Control
– Cat Data Link
– Differential (Standard)
– Electronic Control Module (Power Train)
– Fixed Axle (Front) and Oscillating Axle (Rear)
– General Information
– Ground Speed Limiter
– Input Transfer Gears
– Integrated Braking System
– Limited Slip Differential
– Modulating Valve (Transmission Clutch)
– Monitoring System (Power Train Functions)
– NoSPIN Differential
– Oil Coolers and Cooling System Operation
– Oil Filter (Power Train)
– Output Transfer Gears
– Power Train Electronic Control System
– Sensors
– Start Relay
– Switches
– Torque Converter (Freewheel Stator)
– Torque Converter and Pump Drive Housing
– Transmission Hydraulic Control
– Transmission Hydraulic Control Operation
– Transmission Hydraulic System
– Transmission Lubrication
– Transmission Oil Cooler
– Transmission Oil Pump
– Transmission Planetary
Systems Operation Troubleshooting Testing and Adjusting Product Link – PL522 523
– System Components
– Reports and Messages Not Available
– Position Reports Not Available
– Reporting Interval Erratic
– Diagnostics and Events Not Available
– Operating Hours Discrepancy
– Event Code List
– Diagnostic Code List
– MID 161 – CID 0168 – FMI 00
– MID 161 – CID 0168 – FMI 01
– MID 161 – CID 0254 – FMI 04
– Installation Parameters Configure
– MID 161 – CID 0254 – FMI 12
– MID 161 – CID 1250 – FMI 09
– MID 161 – CID 1251 – FMI 03
– MID 161 – CID 1888 – FMI 14
– MID 161 – CID 3766- FMI 14
– Electronic Control Module (ECM) – Flash Program
– Electronic Control Module (ECM) – Replace
– Electrical Connector – Inspect
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
– Configuration
– Specifications
– System Schematic
– Spare Input Configure
– Commands
– General Information
– Service Tools
– Diagnostic Capabilities
– Electronic Service Tool Does Not Communicate with ECM
– System Overview
Systems Operation Troubleshooting Testing and Adjusting Product Link 121S 300
– System Components
– Service Tools
– Diagnostic Capabilities
– Electronic Service Tool Does Not Communicate with ECM
– ECM Does Not Communicate with User Interface
– Position Reports Not Available
– Reporting Interval Erratic
– Diagnostics and Events Not Available
– Operating Hours Discrepancy
– Event Code List
– Diagnostic Code List
– Spare Inputs
– MID 122 – CID 0168 – FMI 00
– MID 122 – CID 0168 – FMI 01
– MID 122 – CID 0254 – FMI 04
– MID 122 – CID 0254 – FMI 12
– MID 122 – CID 0269 – FMI 03
– MID 122 – CID 0269 – FMI 04
– MID 122 – CID 1250 – FMI 09
– MID 122 – CID 1251 – FMI 03
– Electronic Control Module (ECM) – Flash Program
– Electronic Control Module (ECM) – Replace
– Configuration
– Electrical Connector – Inspect
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
– Specifications
– System Schematic
– Installation Parameters Configure
– Report Parameters Configure
– Wireless Service Configure
– Spare Input Configure
– Commands
– General Information
– System Overview
Troubleshooting C13 Engines for Caterpillar Built Machines
– Configuration Parameters
– Coolant Level – Test
– Coolant Level Is Low
– Coolant Temperature Is High
– Coolant Temperature Is Low
– Cooling Fan Control – Test
– Cooling Fan Reversing – Test
– Crankcase Pressure Is High
– Customer Passwords
– Data Link – Test
– Data Link Configuration Status – Test
– Diagnostic Trouble Codes
– ECM – Replace
– ECM Software – Install
– ECM Will Not Accept Factory Passwords
– Electrical Connectors – Inspect
– Electrical Power Supply – Test
– Electronic Display Module – If Equipped
– Electronic Service Tools
– Engine Has Early Wear
– Engine Misfires, Runs Rough or Is Unstable
– Engine Overspeeds
– Engine Shutdown While Idling
– Engine Stalls at Low RPM
– Ether Starting Aid – Test
– Event Codes
– Exhaust Temperature Is High
– Factory Passwords
– Fuel Pressure Is High
– Fuel Pressure Is Low
– Fuel System Water Separator Has Water
– Fuel Temperature Is High
– Fuel Transfer Pump – Test
– Injector Solenoid – Test
– Injector Trim File – Install
– Inlet Air Is Restricted
– Intake Manifold Air Pressure Is Low
– Intake Manifold Air Temperature Is High
– Oil Pressure Is Low
– Sensor Calibration Required – Test
– Sensor Signal (Analog, Active) – Test
– Sensor Signal (Analog, Passive) – Test
– Sensor Supply – Test
– Service Information Report
– Shutdown (Ground Level) – Test
– Shutdown – Test
– Speed Control – Test
– Speed/Timing – Test
– System Overview
– Test ECM Mode
– Timing – Calibrate
– Turbocharger Compressor Bypass – Test
– Valve Rotator or Spring Lock Is Free