938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Braking System
– Accumulator Charging Valve (Brake)
– Brake Accumulator
– Brake Control Valve (Service)
– Breaker Relief Valve
– Foot Brake Control
– Hydraulic Tank and Filter
– Limit Switch (Parking Brake)
– Limit Switch (Stop Light) (Left Brake Pedal)
– Parking Brake
– Parking Brake Control
– Position Sensor (Left Brake Pedal)
– Pressure Switch (Service Brake Oil)
– Service Brakes
– Temperature Sensor (Hydraulic Oil)
– Vane Pump (Braking)
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Braking System
– Accumulator Charging Valve (Brake)
– Brake Accumulator
– Brake Control Valve (Service)
– General Information (Braking)
– Parking Brake
– Position Sensor (Left Brake Pedal)
– Service Brake Disc Wear Indicator
– Service Brakes
– Vane Pump (Braking)
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Hydraulic System
– Electrical Output Components
– Gear Motor (Hydraulic Fan)
– General Testing and Adjusting Information
– Hydraulic Fan Speed – Test and Adjust
– Hydraulic Fan System
– Hydraulic Oil Contamination – Test
– Implement Hydraulic System – IT38G Series II Integrated
– Introduction – IT38G Series II Integrated Toolcarrier
– Kickout and Positioner – Adjust
– Kickout System – Integrated Toolcarrier
– Lift Cylinder – Isolation and Drift Check
– Main Control Valve – IT38G Series II Integrated Toolcarrier
– Pilot System Pressure – Test
– Pilot Valve
– Piston and Vane Pump (Implement Section)
– Piston Pump (Hydraulic Fan)
– Pump Performance (Implement) – Test
– Relief Valve (Line)
– Relief Valve (Line) – Test and Adjust
– Relief Valve (Main)
– Relief Valve (Main) – Test and Adjust
– Ride Control Accumulator – Test and Charge
– Ride Control System
– Solenoid Valve (Pilot Diverter, 4 Function Hydraulics)
– System Pressure – Release
– Tilt Cylinder – Isolation and Drift Check – IT38G Series II
– Torque Converter Stall and Implement Pump Double Stall – Test
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Monitor System
– Component Description
– Connector Contact Description
– Data Link
– Diagnostic Operation
– Features
– Introduction
– Location of Electrical Components
– Module – Replace
– Self Test
– System Schematic
– Warning Operation
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
– Backup Alarm Circuit
– Cab Mounting
– Charging Circuit
– Engine Starting Circuit
– Fuel Level Sender
– Governor Pedal
– Hood Tilt Actuator
– Position Sensor (Throttle)
– Speed Limiting Function
– Toggle Switch (Ground Level Shutdown)
– Toggle Switch (Hood Tilt)
– Window Wiper and Wiper Motor
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Power Train
– Axle (Fixed and Oscillating)
– Axle Housing and Bearing Preload – Adjust
– Axle Oil Cooler
– Data Link
– Differential
– Differential (Limited Slip)
– Differential (NoSPIN)
– Differential Backlash and Bearings – Adjust
– Differential Pinion Preload – Adjust
– Differential Pinion Preload – Adjust
– Electrical Input Components
– Electrical Output Components
– Electrical Schematic (Transmission)
– Electronic Control Module (Power Train)
– Engagement Pressure for the Transmission Clutch – Calibrate
– Features
– Fill Time for the Transmission Clutch – Calibrate
– Integrated Braking System
– Introduction
– Limited Slip Differential Disc End Play – Check
– Location of Electrical Components
– Location of Hydraulic Components
– Modulating Valve (Transmission Clutch)
– NoSPIN Differential – Test
– Oil Filter (Power Train)
– Position Sensor (Left Brake Pedal) – Calibrate
– Relief Valve (Transmission Hydraulic Control)
– Torque Converter
– Torque Converter Stall – Test
– Transmission Clutch Running Clearance – Check
– Transmission Control (Shift Lever) – Test
– Transmission Hydraulic System Schematic
– Transmission Oil Cooler
– Transmission Power Flow
– Transmission Pressures – Test and Adjust
– Transmission Pump
938G Wheel Loader, 938G Series II Wheel Loader, IT38G Integrated Toolcarrier and IT38G Series II Integrated Toolcarrier Traction Control System
– Accumulator Charging Valve
– Accumulator Charging Valve
– Accumulator Charging Valve – Test and Adjust
– Articulation Angle Position Sensor – Adjust and Calibrate
– Brake Air Purge Plug
– Brake Proportional Manifold
– Connector Locations
– Data Link
– Diagnostic Capabilities
– Diagnostic Code List
– Electrical Components
– Electrical Connector – Inspect
– Electronic Control Module (ECM)
– Electronic Control Module (ECM) – Flash Program
– Electronic Control Module (ECM) – Replace
– General Information
– General Information
– Glossary of Electrical Terms
– Harness Code Plug
– Hydraulic and Electrical Operation
– Hydraulic Components
– Machine Preparation for Troubleshooting
– MID 028 – CID 0168 – FMI 00
– MID 028 – CID 0168 – FMI 01
– MID 028 – CID 0248 – FMI 09
– MID 028 – CID 0263 – FMI 00
– MID 028 – CID 0263 – FMI 01
– MID 028 – CID 0270 – FMI 02
– MID 028 – CID 0270 – FMI 09
– MID 028 – CID 0270 – FMI 12
– MID 028 – CID 0296 – FMI 09
– MID 028 – CID 0605 – FMI 02
– MID 028 – CID 0606 – FMI 02
– MID 028 – CID 0607 – FMI 02
– MID 028 – CID 0608 – FMI 02
– MID 028 – CID 0609 – FMI 03
– MID 028 – CID 0609 – FMI 05
– MID 028 – CID 0609 – FMI 06
– MID 028 – CID 0610 – FMI 03
– MID 028 – CID 0610 – FMI 05
– MID 028 – CID 0610 – FMI 06
– MID 028 – CID 0611 – FMI 03
– MID 028 – CID 0611 – FMI 05
– MID 028 – CID 0611 – FMI 06
– MID 028 – CID 0612 – FMI 03
– MID 028 – CID 0612 – FMI 05
– MID 028 – CID 0612 – FMI 06
– MID 028 – CID 0613 – FMI 03
– MID 028 – CID 0613 – FMI 05
– MID 028 – CID 0613 – FMI 06
– MID 028 – CID 0615 – FMI 00
– MID 028 – CID 0615 – FMI 01
– MID 028 – CID 0615 – FMI 03
– MID 028 – CID 0615 – FMI 04
– MID 028 – CID 0615 – FMI 13
– MID 028 – CID 0616 – FMI 02
– MID 028 – CID 0653 – FMI 12
– MID 028 – CID 0687 – FMI 02
– On/Off Pilot Solenoid Valve
– On/Off Pilot Solenoid Valve
– On/Off Pilot Solenoid Valve
– On/Off Pilot Solenoid Valve
– Operator Display
– Pressure Reducing Valve
– Pressure Reducing Valve
– Pressure Reducing Valve – Test and Adjust
– Proportional Pressure Solenoid Valve
– Proportional Pressure Solenoid Valve
– Proportional Pressure Solenoid Valve
– Proportional Pressure Solenoid Valve
– Proportional Pressure Solenoid Valve – Test
– Proportional Pressure Solenoid Valve – Test
– Sensors
– Service Tools
– Shuttle Valve
– Shuttle Valve
– Shuttle Valve – Test
– System Schematic
– System Schematic
– Test/Enable Switch
– Test/Enable Switch
– Using Caterpillar Electronic Technician to Determine
– Visual Inspection
– Wheel Speed Sensor
– Wheel Speed Sensor – Replace
– 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
Alternator – Delco 21SI
– Alternator
– Alternator – Assemble
– Alternator – Disassemble
– Brush Length – Check
– Capacitor – Test
– Charging System
– Component Description
– Diode Assembly – Test
– Field Winding – Test
– General Information
– General Information
– Insulated Screw – Check
– Normal Operation
– Rectifier – Test
– Regulator – Test
– Residual Magnetism – Restore
– Service Tools
– Stator – Test
Alternator – Delco 27SI
– Alternator
– Alternator
– Alternator – Assemble
– Alternator – Disassemble
– Brush Length – Check
– Capacitor – Test
– Charging System
– Component Description
– Diode Assembly – Test
– Field Winding – Test
– General Information
– General Information
– Insulated Screw – Check
– Normal Operation
– Rectifier – Test
– Regulator – Test
– Residual Magnetism – Restore
– Service Tools
– Stator – Test
Disassembly and Assembly 3126B Engines for Caterpillar Built Machines
– Air Inlet Cover – Remove and Install
– Air Inlet Elbow – Remove and Install
– Air Inlet Heater Solenoid – Remove and Install
– Alternator – Remove and Install
– Bearing Clearance – Check
– Belt Tensioner – Remove and Install
– Camshaft – Install
– Camshaft – Remove
– Camshaft Bearings – Remove and Install
– Camshaft Gear – Remove and Install
– Camshaft Idler Gear – 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 Rear Seal – Install
– Crankshaft Rear Seal – Remove
– Crankshaft Rear Seal Carrier – Remove and Install
– Crankshaft Wear Sleeve (Rear) – Install
– Crankshaft Wear Sleeve (Rear) – Remove – If Equipped
– Cylinder Head – Install
– Cylinder Head – Remove
– Electric Starting Motor – Remove and Install
– Electronic 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 – Remove
– Engine Oil Pan – Remove and Install
– Engine Oil Pump – Assemble
– Engine Oil Pump – Disassemble
– Engine Oil Pump – Install
– Engine Oil Pump – Remove
– Exhaust Manifold – Remove and Install
– Flywheel – Remove and Install
– Flywheel Housing – Remove and Install
– Front Cover – Install
– Front Cover – Remove
– Fuel Pressure Regulator – Remove and Install
– Fuel Transfer Pump – Install – If Equipped
– Fuel Transfer Pump – Remove – If Equipped
– Housing (Front) – Install
– Housing (Front) – Remove
– Idler Pulley – Remove and Install
– Injection Actuation Pressure Control Valve – Remove and
– Inlet and Exhaust Valve Guides – Remove and Install
– Inlet and Exhaust Valve Seat Inserts – Remove and Install
– Inlet and Exhaust Valves – 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
– Rocker Shaft – Assemble
– Rocker Shaft – Disassemble
– Rocker Shaft and Pushrod – Install
– Rocker Shaft and Pushrod – Remove
– Turbocharger – Assemble
– Turbocharger – Disassemble
– Turbocharger – Install
– Turbocharger – Remove
– Unit Injector – Install
– Unit Injector – Remove
– Unit Injector Hydraulic Pump – Install
– Unit Injector Hydraulic Pump – Remove
– Unit Injector Sleeve – Install
– Unit Injector Sleeve – Remove
– 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
– Water Temperature Regulator Housing – Remove and Install
Disassembly and Assembly 938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Engine Supplement
– Aftercooler – Remove and Install
– Air Cleaner – Remove and Install
– Alternator – Remove and Install
– Belt Tensioner – Remove and Install
– Crankshaft Front Seal – Install
– Crankshaft Front Seal – Remove
– Electric Starting Motor – Remove and Install
– Engine – Install
– Engine – Remove
– Engine from Torque Converter and Transmission – Separate
– Engine Oil Cooler – Install
– Engine Oil Cooler – Remove
– Engine to Torque Converter and Transmission – Connect
– Engine, Torque Converter and Transmission – Install
– Engine, Torque Converter and Transmission – Remove
– Fan and Gear Motor (Hydraulic Fan) – Install
– Fan and Gear Motor (Hydraulic Fan) – Remove
– Fuel Filter (Secondary) and Fuel Filter Base – Remove and
– Fuel Priming Pump and Primary Filter (Water Separator) –
– Fuel Tank – Install
– Fuel Tank – Remove
– Hood – Install
– Hood – Remove
– Hood Tilt Actuator – Remove and Install
– Hydraulic Oil Cooler – Remove and Install
– Muffler – Remove and Install
– Radiator and Fan Group – Install
– Radiator and Fan Group – Remove
– Radiator Bottom Tank – Remove and Install
– Radiator Core – Remove and Install
– Radiator Top Tank – Remove and Install
– Refrigerant Compressor – Remove and Install
– Refrigerant Condenser – Remove and Install
– Steering Frame Lock – Separate and Connect
– System Pressure – Release
– Turbocharger – Install
– Turbocharger – Remove
– Unit Injector – Install
– Unit Injector – Remove
– Unit Injector Hydraulic Pump – Install
– Unit Injector Hydraulic Pump – Remove
– Water Pump – Install
– Water Pump – Remove
– Water Temperature Regulator – Remove and Install
Disassembly and Assembly 938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
– Accumulator Charging Valve (Brake) – Remove and Install
– Blower Motor (Air Conditioner, Heater) – Install
– Blower Motor (Air Conditioner, Heater) – Remove
– Brake Accumulator – Remove and Install
– Brake Control Valve (Service) – Remove and Install
– Brake Proportional Manifold (Traction Control System) –
– Brake Proportional Manifold (Traction Control System) –
– Brake Proportional Manifold (Traction Control System) –
– Brake Proportional Manifold (Traction Control System) –
– Bucket – Install
– Bucket – Remove
– Cab – Install
– Cab – Remove
– Coupler Cylinder – Remove and Install
– Evaporator Coil – Remove and Install
– Fan and Gear Motor (Hydraulic Fan) – Install
– Fan and Gear Motor (Hydraulic Fan) – Remove
– Gear Motor (Hydraulic Fan) – Assemble
– Gear Motor (Hydraulic Fan) – Disassemble
– Heater Coil – Install
– Heater Coil – Remove
– Hydraulic Tank – Assemble
– Hydraulic Tank – Disassemble
– Hydraulic Tank – Install
– Hydraulic Tank – Remove
– Lift Arms – Install
– Lift Arms – Remove
– Lift Cylinder – Remove and Install
– Lift Kickout Control – Remove and Install
– Loader Frame and Rear Frame – Connect
– Loader Frame and Rear Frame – Separate
– Main Control Valve – Assemble
– Main Control Valve – Disassemble
– Main Control Valve – Install
– Main Control Valve – Remove
– Metering Pump (HMU) – Install
– Metering Pump (HMU) – Remove
– Parking Brake – Remove and Install
– Pilot Operated Hydraulic Control (Joystick) – Assemble
– Pilot Operated Hydraulic Control (Joystick) – Disassemble
– Pilot Operated Hydraulic Control (Joystick) – Install
– Pilot Operated Hydraulic Control (Joystick) – Remove
– Pilot Operated Hydraulic Control – Assemble
– Pilot Operated Hydraulic Control – Disassemble
– Pilot Operated Hydraulic Control – Install
– Pilot Operated Hydraulic Control – Remove
– Piston and Vane Pump (Steering and Implement) – Assemble
– Piston and Vane Pump (Steering and Implement) – Disassemble
– Piston and Vane Pump (Steering and Implement) – Install
– Piston and Vane Pump (Steering and Implement) – Remove
– Piston Pump (Hydraulic Fan) – Assemble
– Piston Pump (Hydraulic Fan) – Disassemble
– Piston Pump (Hydraulic Fan) – Install
– Piston Pump (Hydraulic Fan) – Remove
– Pressure Reducing Valve (Traction Control System) – Remove
– Pump Control Valve (Steering) – Remove and Install
– Quick Coupler – Install
– Quick Coupler – Remove
– 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 – Install
– Secondary Steering Valve – Remove
– Selector and Pressure Control Valve (Pilot) – Remove and
– Solenoid Valve (Pilot Diverter, 4 Function Hydraulics) –
– Solenoid Valve and Manifold (Ride Control, Head End) –
– Solenoid Valve and Manifold (Ride Control, Rod End) –
– Steering Control Valve – Assemble
– Steering Control Valve – Disassemble
– Steering Control Valve – Install
– Steering Control Valve – Remove
– Steering Cylinder – Remove and Install
– Steering Frame Lock – Separate and Connect
– Steering Wheel – Remove and Install
– System Pressure – Release
– Tilt Cylinder – Remove and Install
– Tilt Lever (Front) and Tilt Link (Front) – Install
– Tilt Lever (Front) and Tilt Link (Front) – Remove
– Tilt Lever (Rear) – Install
– Tilt Lever (Rear) – Remove
– Tilt Lever – Install
– Tilt Lever – Remove
– Tilt Link (Rear) – Install
– Tilt Link (Rear) – Remove
– Vane Pump (Braking) – Assemble
– Vane Pump (Braking) – Disassemble
– Vane Pump (Braking) – Install
– Vane Pump (Braking) – Remove
– Window Wiper and Wiper Motor (Front) – Install
– Window Wiper and Wiper Motor (Front) – Remove
– Window Wiper and Wiper Motor (Rear) – Install
– Window Wiper and Wiper Motor (Rear) – Remove
– Work Tool Positioner Control – Remove and Install
Disassembly and Assembly 938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Power Train
– Axle Housing – Assemble
– Axle Housing – Disassemble
– Bottom Guard (Engine) – Remove and Install
– Differential – Assemble
– Differential – Disassemble
– Differential and Bevel Gear – Install
– Differential and Bevel Gear – Remove
– 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
– Limited Slip Differential – Assemble
– Limited Slip Differential – Disassemble
– Manifold (Transmission Control Valve) – Install
– Manifold (Transmission Control Valve) – Remove
– Modulating Valve (Transmission Clutch) – Assemble
– Modulating Valve (Transmission Clutch) – Disassemble
– Modulating Valve (Transmission Clutch) – Install
– Modulating Valve (Transmission Clutch) – Remove
– NoSPIN Differential – Assemble
– NoSPIN Differential – Disassemble
– Oscillating Axle (Rear) – Remove and Install
– Parking Brake – Remove and Install
– Power Train Guard (Transmission) – Remove and Install
– Relief Valve (Transmission Hydraulic Control) – Assemble
– Relief Valve (Transmission Hydraulic Control) – Disassemble
– Relief Valve (Transmission Hydraulic Control) – Install
– Relief Valve (Transmission Hydraulic Control) – Remove
– 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 – Assemble – Fixed
– Torque Converter – Assemble – Free Wheel
– Torque Converter – Disassemble – Fixed
– Torque Converter – Disassemble – Free Wheel
– Transmission – Assemble
– Transmission – Disassemble
– Transmission and Torque Converter – Connect
– Transmission and Torque Converter – Separate
– Transmission Oil Pump – Assemble
– Transmission Oil Pump – Disassemble
– Transmission Oil Pump – Install
– Transmission Oil Pump – Remove
– Trunnion Support (Oscillating Axle, Front) – Remove and
– Trunnion Support (Oscillating Axle, Rear) – 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
Payload Control System (PCS) 2.X
– Additional Key Functions
– Battery (Internal Backup) – Replace
– Calibration
– Calibration (Fine Tune)
– Component Description
– Diagnostic Code List
– Electrical Component and Connector Locations
– Electrical Connector – Inspect
– Error and Warning Messages
– General Information
– General Information
– Glossary of Electrical Terms
– Keypad
– MID 074 – CID 0168 – FMI 00
– MID 074 – CID 0168 – FMI 01
– MID 074 – CID 0254 – FMI 12
– MID 074 – CID 0254 – FMI 13
– MID 074 – CID 0350 – FMI 01
– MID 074 – CID 0350 – FMI 02
– MID 074 – CID 0350 – FMI 13
– MID 074 – CID 0364 – FMI 01
– MID 074 – CID 0364 – FMI 02
– MID 074 – CID 0364 – FMI 08
– MID 074 – CID 0769 – FMI 01
– MID 074 – CID 0769 – FMI 02
– MID 074 – CID 0769 – FMI 08
– MID 074 – CID 0817 – FMI 04
– MID 074 – CID 0817 – FMI 08
– MID 074 – CID 0817 – FMI 12
– MID 074 – CID 0820 – FMI 02
– Normal Weighing Operation
– Payload Control System Troubleshooting without Diagnostic
– Payload Control System/PC Off-Board System
– Payload Electronic Control Module
– Payload Electronic Control Module – Replace
– Position Sensor (Lift Linkage) – Adjust
– Sensors
– Service Display Mode
– Service Tools
– System Schematic
– System Setup Procedure
– Using Service Display Mode to Determine Diagnostic Codes
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
Schematic Caterpillar 938G Series II Wheel Loader Hydraulic System
– Features
– Cover Page
– Information
– Component Location
– Tap Location
– Fluid Power Symbols
– Electrical Symbols
– Schematic
– Machine View
– Machine Comonent Locations
Schematic Caterpillar 938G Series II Wheel Loader IT38G Series II Integrated Toolcarrier Electrical System
Specifications 3126B Engine for Caterpillar Built Machines
– Air Inlet Elbow
– Air Inlet Heater
– Alternator and Air Compressor Mounting Group
– Alternator and Regulator
– Atmospheric Pressure Sensor – If Equipped
– Belt Tension Chart
– Belt Tensioner – If Equipped
– Camshaft
– Connecting Rod
– Connecting Rod Bearing Journal
– Coolant Temperature Sensor
– Crankcase Breather
– Crankshaft
– Crankshaft Seals
– Cylinder Block
– Cylinder Block Cover Group
– Cylinder Head
– Cylinder Head Valves
– Electric Starting Motor
– Electronic Control Wiring Group
– Engine Design
– Engine Oil Filter Base
– Engine Oil Pan
– Engine Oil Pressure Sensor – If Equipped
– Engine Oil Pump
– Engine Oil Temperature Sensor
– Exhaust Manifold
– Fan Drive
– Flywheel
– Flywheel Housing
– Front Housing and Covers
– Fuel Filter and Water Separator
– Fuel Filter Base
– Fuel Pressure Sensor
– Fuel Transfer Pump
– Gear Group (Front)
– Gear Group (Front)
– Injection Actuation Pressure Control Valve
– Injection Actuation Pressure Sensor
– Inlet Air Temperature Sensor
– Inlet Manifold – Internal Mounted Air Inlet Heater
– Main Bearing Journal
– Piston and Rings
– Piston and Rings
– Piston Cooling Jet
– Piston Cooling Jet
– Speed Sensor
– Speed/Timing Sensor
– Turbocharger
– Turbocharger Inlet Pressure Sensor
– Turbocharger Outlet Pressure Sensor
– Unit Injector
– Unit Injector Hydraulic Pump
– Valve Mechanism Cover
– Valve Rocker Arms, Lifters, and Bridges
– Vibration Damper and Pulley
– Water Pump
– Water Pump
– Water Temperature Regulator
Specifications 938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Hydraulic System
– Ball Switch (Hydraulic Lockout Detent Override)
– Breaker Relief Valve
– Check Valve (Hydraulic Oil Cooler Bypass)
– Check Valve (Ride Control)
– Diverter Valve (Quick Coupler)
– Gear Motor (Hydraulic Fan)
– Ground Engaging Tool Torques
– Hydraulic Tank and Filter
– Lift Cylinder – Integrated Toolcarrier
– Main Control Valve – Integrated Toolcarrier
– Pilot Valve
– Pilot Valve (Joystick)
– Piston and Vane Pump (Implement Section)
– Piston Pump (Hydraulic Fan)
– Relief Valve (Line)
– Relief Valve (Main)
– Ride Control Accumulator
– Selector and Pressure Control Valve (Pilot)
– Solenoid Valve (Demand Fan)
– Solenoid Valve (Pilot Diverter, 4 Function Hydraulics)
– Solenoid Valve (Ride Control)
– Temperature Sensor (Hydraulic Oil)
– Tilt Cylinder – Integrated Toolcarrier
– Work Tool Control – Integrated Toolcarrier
Specifications 938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Power Train
– Axle Mounting
– Bevel Gear and Pinion (Fixed and Oscillating Axles)
– Brake and Planetary
– Bypass Switch (Power Train Oil Filter)
– Check Valve (Axle Oil Cooler Bypass)
– Clutch (First and Third)
– Clutch (Forward High and Forward Low)
– Clutch (Forward High and Forward Low)
– Clutch (Reverse and Second)
– Clutch (Reverse and Second)
– Differential
– Drive Shaft
– Electric Clutch (Axle Oil Cooler Pump)
– Engine and Transmission Mounting
– Fixed Axle Housing
– Gear Pump (Axle Oil Cooler)
– Limited Slip Differential
– Modulating Valve (Transmission Clutch)
– NoSPIN Differential
– Oil Filter (Power Train)
– Oscillating Axle Housing
– Pinout Specifications for Electronic Control (Power Train)
– Relief Valve (Transmission Hydraulic Control)
– Rim Mounting
– Speed Sensor (Torque Converter Output and Transmission
– Speed Sensor (Transmission Intermediate Output)
– Temperature Sensor (Torque Converter Oil)
– Temperature Sensor (Transmission Oil)
– Temperature Switch (Axle Oil Monitoring)
– Temperature Switch (Front and Rear Axle Oil)
– Torque Converter
– Transmission
– Transmission Case
– Transmission Control Valve
– Transmission Output Gears
– Transmission Pump
Specifications 938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Steering System
– Articulated Hitch
– Breaker Relief Valve
– Hydraulic Tank and Filter
– Metering Pump (HMU)
– Piston Pump (Steering)
– Pressure Switch (Primary Steering Oil and Secondary Steering
– Relay (Secondary Steering Intermediate)
– Relay (Secondary Steering Motor)
– Relief Valve (Pump Backup)
– Relief Valve (Steering Cylinder Crossover)
– Secondary Steering Pump and Electric Motor
– Secondary Steering Valve
– Steering Control
– Steering Control Valve
– Steering Cylinder
– Temperature Sensor (Hydraulic Oil)
Systems Operation & Testing and Adjusting 3126B Engines
– Aftercooler – Test
– Air in Fuel – Test
– Air Inlet and Exhaust System
– Air Inlet and Exhaust System – Inspect
– Basic Engine
– Battery – Test
– Charging System – Test
– Compression – Test
– Connecting Rod Bearings – Inspect
– Cooling System
– Cooling System – Check – Overheating
– Cooling System – Inspect
– Cooling System – Test
– Cylinder Block – Inspect
– Electric Starting System – Test
– Electrical System
– Electronic Control System Components
– Engine Crankcase Pressure (Blowby) – Test
– Engine Oil Pressure – Test
– Engine Oil Pump – Inspect
– Engine Speed – Check
– Engine Valve Lash – Inspect/Adjust
– Excessive Bearing Wear – Inspect
– Excessive Engine Oil Consumption – Inspect
– Exhaust Temperature – Test
– 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
– Unit Injector – Test
– Vibration Damper – Check
– Water Pump – Test
– Water Temperature Regulator – Test
Systems Operation 938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Steering System
– General Information (Steering)
– Metering Pump (HMU)
– Piston Pump (Steering)
– Secondary Steering Pump and Electric Motor
– Secondary Steering System
– Secondary Steering Valve
– Steering Control Valve
Testing and Adjusting 938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Braking System
– Accumulator Charging Valve (Brake) – Test and Adjust
– Brake Accumulator – Test and Charge
– Brake System Air – Purge
– Hydraulic Oil Contamination – Test
– Limit Switch (Stop Light) – Adjust
– Parking Brake – Manual Release
– Parking Brake – Test
– Parking Brake Control – Adjust
– Pump Performance (Braking) – Test
– Service Brake Wear Indicator (Existing Brake Disc) – Check
– Service Brake Wear Indicator (New Brake Disc) – Check
– Service Brakes – Test
– Service Braking System Pressure – Test
– System Pressure – Release
Testing and Adjusting 938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Steering System
– Hydraulic Oil Contamination – Test
– Piston Pump (Steering) Low Pressure Standby – Test
– Piston Pump (Steering) Margin Pressure – Test and Adjust
– Pump Performance (Steering) – Test
– Relief Valve (Pump Backup) – Test and Adjust
– Relief Valve (Steering Cylinder Crossover) – Test and Adjust
– Steering Control Valve – Adjust
– Steering System Pressure (High Pressure Stall) – Test
– Steering Time – Check
– System Pressure – Release
Troubleshooting 3126B Engines for the IT38G Series II Integrated Toolcarrier and the 938G Series II Wheel Loader
– 5 Volt Engine Pressure Sensor Supply Circuit – Test
– Air Inlet Heater Circuit – Test
– Alternator – Noisy Operation
– Analog Sensor Supply Circuit – Test
– Battery
– Can Not Reach Top Engine RPM
– Cat Data Link Circuit – Test
– CID 0001 FMI 11 Cylinder #1 Injector fault
– CID 0002 FMI 11 Cylinder #2 Injector fault
– CID 0003 FMI 11 Cylinder #3 Injector fault
– CID 0004 FMI 11 Cylinder #4 Injector fault
– CID 0005 FMI 11 Cylinder #5 Injector fault
– CID 0006 FMI 11 Cylinder #6 Injector fault
– CID 0041 FMI 03 8 Volt DC Supply short to +batt
– CID 0041 FMI 04 8 Volt DC Supply short to ground
– CID 0042 FMI 11 Inject Actuation Control Valve open/short
– CID 0091 FMI 08 Throttle Position signal abnormal
– CID 0094 FMI 03 Fuel Pressure open/short to +batt
– CID 0094 FMI 04 Fuel Pressure short to ground
– CID 0100 FMI 03 Engine Oil Pressure open/short to +batt
– CID 0100 FMI 04 Engine Oil Pressure short to ground
– CID 0110 FMI 03 Engine Coolant Temperature open/short to
– CID 0110 FMI 04 Engine Coolant Temperature short to ground
– CID 0164 FMI 00 High Injector Actuation Pressure
– CID 0164 FMI 02 Injector Actuation Pressure signal erratic
– CID 0164 FMI 03 Injector Actuation Pressure voltage high
– CID 0164 FMI 04 Injector Actuation Pressure voltage low
– CID 0164 FMI 11 Injector Actuation Pressure system fault
– CID 0168 FMI 00 System Voltage High
– CID 0168 FMI 01 System Voltage Low
– CID 0168 FMI 02 System Voltage intermittent/erratic
– CID 0172 FMI 03 Intake Manifold Air Temp open/short to
– CID 0172 FMI 04 Intake Manifold Air Temp short to ground
– CID 0175 FMI 03 Engine Oil Temperature open/short to +batt
– CID 0175 FMI 04 Engine Oil Temperature short to ground
– CID 0190 FMI 02 Loss of Engine Speed Signal
– CID 0190 FMI 11 Engine Speed Sensor mechanical failure
– CID 0248 FMI 09 Cat Data Link not communicating
– CID 0253 FMI 02 Personality Module mismatch
– CID 0254 FMI 12 Electronic Control Module Error
– CID 0261 FMI 13 Engine Timing Calibration required
– CID 0262 FMI 03 5 Volt Sensor DC Power Supply short to
– CID 0262 FMI 04 5 Volt Sensor DC Power Supply short to
– CID 0267 FMI 02 Incorrect Engine Shutdown Switch inputs
– CID 0268 FMI 02 Check Programmable Parameters
– CID 0273 FMI 03 Turbo Outlet Pressure open/short to +batt
– CID 0273 FMI 04 Turbo Outlet Pressure short to ground
– CID 0274 FMI 03 Atmospheric Pressure open/short to +batt
– CID 0274 FMI 04 Atmospheric Pressure short to ground
– CID 0291 FMI 05 Engine Cooling Fan Solenoid open circuit
– CID 0291 FMI 06 Engine Cooling Fan Solenoid short to ground
– CID 0296 FMI 09 Unable to communicate with Transmission
– CID 0342 FMI 02 Loss of Secondary Engine Speed signal
– CID 0342 FMI 03 Secondary Engine Speed open/short to +batt
– CID 0342 FMI 11 Secondary Engine Speed Sensor mechanical
– CID 0562 FMI 09 Unable to Communicate with Cat Monitoring
– CID 0600 FMI 03 Hydraulic Oil Temperature open/short to
– CID 0600 FMI 04 Hydraulic Oil Temperature short to ground
– CID 0617 FMI 05 Air Inlet Heater Relay open/current below
– CID 0617 FMI 06 Air Inlet Heater Relay grounded/current
– Coolant in Engine Oil
– Coolant Temperature Is Too High
– Diagnostic Codes
– Digital Sensor Supply Circuit – Test
– E015 High Engine Coolant Temperature Derate
– E017 High Engine Coolant Temperature Warning
– E025 High Inlet Air Temperature Derate
– E027 High Inlet Air Temperature Warning
– E039 Low Engine Oil Pressure Derate
– E053 Low Fuel Pressure Warning
– E096 High Fuel Pressure
– E100 Low Engine Oil Pressure Warning
– E190 Engine Overspeed Warning
– E272 Inlet Air Restriction Warning
– ECM Will Not Accept Factory Passwords
– ECM Will Not Communicate with Other Systems or Display
– Electrical Connectors – Inspect
– Electrical Power Supply Circuit – Test
– Electronic Display Module – If Equipped
– Electronic Service Tool Will Not Communicate with ECM
– Electronic Service Tools
– Engine Cranks but Will Not Start
– Engine Fan Control Solenoid Circuit – Test
– Engine Has Early Wear
– Engine Misfires, Runs Rough or Is Unstable
– Engine Oil in Cooling System
– Engine Oil in Exhaust System
– Engine Oil Temperature Is Too High
– Engine Pressure Sensor Open or Short Circuit – Test
– Engine Shutdown Switch Circuit – Test
– Engine Speed/Timing Sensor – Calibrate
– Engine Speed/Timing Sensor Circuit – Test
– Engine Stalls at Low RPM
– Engine Temperature Sensor Open or Short Circuit – Test
– Engine Vibration
– Engine Will Not Crank
– Engine Wiring Information
– Event Codes
– Excessive Black Smoke
– Excessive Engine Oil Consumption
– Excessive Fuel Consumption
– Excessive Valve Lash
– Excessive White Smoke
– Exhaust Temperature Is Too High
– Factory Passwords
– Flash Programming
– Fuel Dilution of Engine Oil
– Fuel in Cooling System
– How To Use the Functional Tests
– Injection Actuation Pressure – Test
– Injection Actuation Pressure Control Valve Circuit – Test
– Injection Actuation Pressure Sensor – Test
– Injector Solenoid Circuit – Test
– 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
– Poor Acceleration or Response
– Programming Parameters
– Replacing the ECM
– Self-Diagnostics
– Sensors and Electrical Connectors
– System Configuration Parameters
– System Overview
– Throttle Position Sensor Circuit – Test
– Valve Rotator or Spring Lock Is Free
Troubleshooting IT38G Series II Integrated Toolcarrier and 938G Series II Wheel Loader
– Backup Alarm Always Off
– Backup Alarm Always On
– Brake System
– Charging System
– Connector Contact Description
– Connector Locations
– Diagnostic Capabilities
– Diagnostic Code List
– Differential and Final Drive
– Electrical Connector – Inspect
– Electronic Control Module (ECM) – Flash Program
– Electronic Control Module (ECM) – Replace
– General Information
– Hydraulic System
– Machine Preparation for Troubleshooting
– MID 081 – CID 0041 – FMI 03
– MID 081 – CID 0041 – FMI 04
– MID 081 – CID 0070 – FMI 03
– MID 081 – CID 0070 – FMI 04
– MID 081 – CID 0149 – FMI 03
– MID 081 – CID 0149 – FMI 05
– MID 081 – CID 0149 – FMI 06
– MID 081 – CID 0168 – FMI 00
– MID 081 – CID 0168 – FMI 01
– MID 081 – CID 0177 – FMI 03
– MID 081 – CID 0177 – FMI 04
– MID 081 – CID 0190 – FMI 02
– MID 081 – CID 0248 – FMI 12
– MID 081 – CID 0363 – FMI 03
– MID 081 – CID 0363 – FMI 05
– MID 081 – CID 0363 – FMI 06
– MID 081 – CID 0367 – FMI 02
– MID 081 – CID 0367 – FMI 03
– MID 081 – CID 0368 – FMI 03
– MID 081 – CID 0368 – FMI 04
– MID 081 – CID 0444 – FMI 03
– MID 081 – CID 0444 – FMI 05
– MID 081 – CID 0444 – FMI 06
– MID 081 – CID 0585 – FMI 02
– MID 081 – CID 0590 – FMI 09
– MID 081 – CID 0668 – FMI 02
– MID 081 – CID 0672 – FMI 01
– MID 081 – CID 0673 – FMI 02
– MID 081 – CID 0674 – FMI 02
– MID 081 – CID 0675 – FMI 02
– MID 081 – CID 0793 – FMI 03
– MID 081 – CID 0793 – FMI 04
– MID 081 – CID 0794 – FMI 03
– MID 081 – CID 0794 – FMI 04
– MID 081 – CID 0795 – FMI 03
– MID 081 – CID 0795 – FMI 05
– MID 081 – CID 0795 – FMI 06
– MID 081 – CID 1327 – FMI 03
– MID 081 – CID 1327 – FMI 04
– MID 081 – CID 1327 – FMI 13
– MID 081 – CID 1401 – FMI 03
– MID 081 – CID 1401 – FMI 05
– MID 081 – CID 1401 – FMI 06
– MID 081 – CID 1401 – FMI 13
– MID 081 – CID 1402 – FMI 03
– MID 081 – CID 1402 – FMI 05
– MID 081 – CID 1402 – FMI 06
– MID 081 – CID 1402 – FMI 13
– MID 081 – CID 1403 – FMI 03
– MID 081 – CID 1403 – FMI 05
– MID 081 – CID 1403 – FMI 06
– MID 081 – CID 1403 – FMI 13
– MID 081 – CID 1404 – FMI 03
– MID 081 – CID 1404 – FMI 05
– MID 081 – CID 1404 – FMI 06
– MID 081 – CID 1404 – FMI 13
– MID 081 – CID 1405 – FMI 03
– MID 081 – CID 1405 – FMI 05
– MID 081 – CID 1405 – FMI 06
– MID 081 – CID 1405 – FMI 13
– MID 081 – CID 1406 – FMI 03
– MID 081 – CID 1406 – FMI 05
– MID 081 – CID 1406 – FMI 06
– MID 081 – CID 1406 – FMI 13
– MID 081 – CID 1521 – FMI 03
– MID 081 – CID 1521 – FMI 04
– MID 081 – CID 1716 – FM 03
– MID 081 – CID 1716 – FM 06
– MID 081 – CID 1721 – FM 03
– MID 081 – CID 1721 – FM 06
– Operational Checks (Brake System)
– Operational Checks (Hydraulic System)
– Operational Checks (Power Train)
– Operational Checks (Steering System)
– Service Tools
– Steering System
– Switch Circuits
– System Schematic
– Torque Converter
– Transmission
– Transmission Control (Shift Lever)
– Using Caterpillar Electronic Technician to Determine
– Visual Inspection
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
Work Area Visual System
– Component Description
– Configuration
– Electrical Connector – Inspect
– General Information
– General Information
– Modes of Operation
– Service Tools
– System Schematic
– System Tests
– Troubleshooting
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