Service manual Caterpillar 938H Wheel Loader with C6.6 Engine | LKM00001-UP

938H Wheel Loader and IT38H Integrated Toolcarrier Hydraulic System
– Control Manifold (Implement, Steering Pump Margin Relief)
– General Information (Hydraulic System)
– General Testing and Adjusting Information (Hydraulic System)
– Hydraulic Oil Contamination – Test
– Implement Cycle Time – Check
– Kickout and Positioner – Adjust
– Lift and Tilt Cylinder Drift – Check
– Main Control Valve
– Monitoring System (Hydraulic Functions)
– Oil Coolers and Cooling System Operation
– Pilot Oil Accumulator (Dead Engine, Lift Arm Lower) – Test
– Pilot Operated Hydraulic Control
– Pilot Pressure to the Main Control Valve – Check
– Pilot Valve
– Piston Pump (Implement, Steering)
– Piston Pump (Implement, Steering) High Pressure Stall – Test and
– Piston Pump (Implement, Steering) Margin Pressure – Test and
– Pressure Tap Locations
– Relief Valve (Line)
– Relief Valve (Line) – Test and Adjust
– Relief Valve (Signal)
– Relief Valve (Signal) – Test and Adjust
– Ride Control Accumulator – Test and Charge
– Ride Control System
– System Pressure – Release
938H Wheel Loader and IT38H Integrated Toolcarrier Machine Systems
– Backup Alarm Circuit
– Cab Mounting
– Charging Circuit
– Engine Starting Circuit
– Fuel Level Sender
– Hood Tilt Actuator
– Radiator Cap
– Speed Limiting Function
– Toggle Switch (Ground Level Shutdown)
– Toggle Switch (Hood Tilt)
– Window Wiper and Wiper Motor
938H Wheel Loader and IT38H Integrated Toolcarrier Power Train
– Data Link
– Differential (Locking)
– Differential (Open)
– Differential Backlash and Bearings – Adjust
– Differential Lock Control
– Differential Lock Pressure – Check
– Differential Pinion Preload – Adjust
– Electrical Input Components
– Electrical Output Components
– Electrical Schematic
– Electronic Control Module
– Engagement Pressure for the Transmission Clutch – Calibrate
– Features
– Fill Time for the Transmission Clutch – Calibrate
– Final Drive and Wheel
– Fixed Axle (Front) and Oscillating Axle (Rear)
– General Information
– Location of Electrical Components
– Modulating Valve (Transmission Clutch)
– Oil Coolers and Cooling System Operation
– Oil Filter (Power Train)
– Output Transfer Gears
– Position Sensor (Articulation Angle) – Adjust and Calibrate
– Position Sensor (Left Brake Pedal) – Calibrate
– Torque Converter
– Torque Converter Stall – Test
– Transmission Clutch Running Clearance – Check
– Transmission Control (Shift Lever) – Test
– Transmission Hydraulic Control
– Transmission Hydraulic Control Operation
– Transmission Hydraulic System
– Transmission Lubrication
– Transmission Oil Cooler
– Transmission Oil Pump
– Transmission Power Flow
– Transmission Pressures – Test and Adjust
– Wheel Bearings – Adjust
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
Caterpillar Advanced Ride Management (CARM) Seat Suspension System
– Component Descriptions
– General Information
– Troubleshooting
Comfort Series Seat For Caterpillar Machines
– Air Suspension with Air Valve Knob Height Adjustment –
– Air Suspension With Air Valve Knob Height Adjustment –
– Air Suspension With System Air – Assemble
– Air Suspension With System Air – Disassemble
– Air Suspension With Toggle Switch Height Adjustment –
– Air Suspension With Toggle Switch Height Adjustment –
– Comfort Seat Air Suspension with Air Compressor
– Comfort Seat Air Suspension with Air Compressor –
– Comfort Seat Air Suspension with Air Compressor – Assemble
– Comfort Seat Air Suspension with System Air
– Comfort Seat Controls
– Comfort Seat with Front Controls – Assemble
– Comfort Seat with Front Controls – Disassemble
– Comfort Seat with Lumbar Option and Side Controls –
– Comfort Seat with Lumbar Option and Side Controls –
– Comfort Seat with Lumbar, Side Controls, and Slide Swivel
– Component Descriptions
– General Information
– Mechanical Suspension With Fixed Damper – Assemble
– Mechanical Suspension With Fixed Damper – Disassemble
– Mechanical Suspension With Variable Damper – Assemble
– Mechanical Suspension With Variable Damper – Disassemble
– Optimized Seat Air Suspension with Air Compressor
– Optimized Seat Controls
– Optimized Seat with Front Controls – Disassemble and
– Optimized Seat with Lumbar, Side Controls, and Slide Swivel
– Seat Maintenance Interval Schedule
– Serial Number Effectivity
– Swivel Seat – Assemble
– Swivel Seat – Disassemble
– Troubleshooting
– Troubleshooting Chart
Contour Series Seat
– Air Suspension with Air Valve Knob Height Adjustment –
– Air Suspension With Air Valve Knob Height Adjustment –
– Air Suspension With System Air – Assemble
– Air Suspension With System Air – Disassemble
– Air Suspension With Toggle Switch Height Adjustment –
– Air Suspension With Toggle Switch Height Adjustment –
– Contour Seat Air Suspension with Air Compressor
– Contour Seat Air Suspension with Air System
– Contour Seat Controls
– Contour Seat With Front Controls – Assemble
– Contour Seat With Front Controls – Disassemble
– Contour Seat With Lumbar Option and Side Controls –
– Contour Seat With Lumbar Option and Side Controls –
– Mechanical Suspension
– Mechanical Suspension With Fixed Damper – Assemble
– Mechanical Suspension With Fixed Damper – Disassemble
– Mechanical Suspension With Variable Damper – Assemble
– Mechanical Suspension With Variable Damper – Disassemble
– Swivel Seat – Assemble
– Swivel Seat – Disassemble
– Troubleshooting Chart
Disassembly and Assembly C6.6 Engines for Caterpillar Built Machines
– Accessory Drive – Remove and Install
– Air Compressor – Remove and Install
– Alternator – Install – Alternators with Mounting Lugs
– Alternator – Install – Alternators with Mounting Pads
– Alternator – Remove – Alternators with Mounting Lugs
– Alternator – Remove – Alternators with Mounting Pads
– Alternator Belt – Remove and Install
– Bearing Clearance – Check
– Boost Pressure Sensor – Remove and Install
– Camshaft – Remove and Install
– Camshaft Bearings – Remove and Install
– Camshaft Gear – Remove and Install
– Connecting Rod Bearings – Install – Connecting rods in position
– Connecting Rod Bearings – Remove – Connecting rods in
– Coolant Temperature Sensor – Remove and Install
– Crankcase Breather – Install – Filtered Breather
– Crankcase Breather – Install – Unfiltered Breather
– Crankcase Breather – Remove – Filtered Breather
– Crankcase Breather – Remove – Unfiltered Breather
– Crankshaft – Install
– Crankshaft – Remove
– Crankshaft Front Seal – Remove and Install
– Crankshaft Gear – Remove and Install
– Crankshaft Main Bearings – Remove and Install – Crankshaft
– Crankshaft Rear Seal – Install
– Crankshaft Rear Seal – Remove
– Crankshaft Timing Ring – Remove and Install
– Cylinder Head – Install
– Cylinder Head – Remove
– ECM Mounting Bracket – Remove and Install
– Electric Starting Motor – Remove and Install
– Electronic Control Module – Remove and Install
– Electronic Unit Injector – Install
– Electronic Unit Injector – Remove
– Engine Oil Cooler – Install – Engine Oil Cooler with a High
– Engine Oil Cooler – Install – Engine Oil Cooler with a Low
– Engine Oil Cooler – Remove – Engine Oil Cooler with a High
– Engine Oil Cooler – Remove – Engine Oil Cooler with a Low
– Engine Oil Filter Base – Remove and Install
– Engine Oil Pan – Install – Aluminum Oil Pan
– Engine Oil Pan – Install – Cast Iron Oil Pan
– Engine Oil Pan – Remove – Aluminum Oil Pan
– Engine Oil Pan – Remove – Cast Iron Oil Pan
– Engine Oil Pan Plate – Remove and Install – Aluminum Oil Pan
– Engine Oil Pressure Sensor – Remove and Install
– Engine Oil Pump – Install
– Engine Oil Pump – Remove
– Engine Oil Relief Valve – Remove and Install
– Exhaust Elbow – Remove and Install
– Exhaust Manifold – Remove and Install – Side Mounted Exhaust
– Exhaust Manifold – Remove and Install – Top Mounted Exhaust
– Fan – Remove and Install
– Fan Drive – Remove and Install
– Flywheel – Install
– Flywheel – Remove
– Flywheel Housing – Remove and Install – Standard Housing
– Flywheel Housing – Remove and Install – Wet Back End
– Front Cover – Remove and Install
– Fuel Filter Base – Remove and Install – Secondary Fuel Filter
– Fuel Injection Lines – Install
– Fuel Injection Lines – Remove
– Fuel Injection Pump – Install
– Fuel Injection Pump – Remove
– Fuel Injection Pump Gear – Install
– Fuel Injection Pump Gear – Remove
– Fuel Manifold (Rail) – Remove and Install
– Fuel Pressure Sensor – Remove and Install
– Fuel Priming Pump – Remove and Install – Electric Fuel
– Fuel Priming Pump – Remove and Install – Mechanical Priming
– Fuel Transfer Pump – Install
– Fuel Transfer Pump – Remove
– Gear Group (Front) – Remove and Install
– Glow Plugs – Remove and Install
– Housing (Front) – Install
– Housing (Front) – Remove
– Idler Gear – Install
– Idler Gear – Remove
– Inlet Air Temperature Sensor – Remove and Install
– Inlet and Exhaust Valve Springs – Remove and Install
– Inlet and Exhaust Valves – Remove and Install
– Inlet Manifold – Remove and Install
– Lifter Group – Remove and Install
– Piston Cooling Jets – Remove and Install
– Pistons and Connecting Rods – Assemble
– Pistons and Connecting Rods – Disassemble
– Pistons and Connecting Rods – Install
– Pistons and Connecting Rods – Remove
– Position Sensor (Fuel Injection Pump) – Remove and Install
– Rocker Shaft – Assemble
– Rocker Shaft – Disassemble
– Rocker Shaft and Pushrod – Install
– Rocker Shaft and Pushrod – Remove
– Turbocharger – Assemble
– Turbocharger – Disassemble
– Turbocharger – Install – Side Mounted Turbocharger
– Turbocharger – Install – Turbocharger Top Mounted
– Turbocharger – Remove – Side Mounted Turbocharger
– Turbocharger – Remove – Turbocharger Top Mounted
– Valve Mechanism Cover – Remove and Install
– Valve Mechanism Cover – Remove and Install – Composite
– Valve Mechanism Cover Base – Remove and Install
– Valve Mechanism Cover Base – Remove and Install – Composite
– Vibration Damper and Pulley – Install – Pulley with Split Lock
– Vibration Damper and Pulley – Install – Pulleys without Split
– Vibration Damper and Pulley – Remove – Pulley with Split Lock
– Vibration Damper and Pulley – Remove – Pulleys without Split
– Wastegate Solenoid – Remove and Install
– Water Pump – Install
– Water Pump – Remove
– Water Temperature Regulator – Remove and Install
Disassembly and Assembly IT38H Integrated Toolcarrier and 938H Wheel Loader Engine Supplement
– Aftercooler – Remove and Install
– Air Cleaner – Remove and Install
– Alternator – Remove and Install
– Battery – Remove and Install
– Belt Tensioner – Remove and Install
– Cooling System Package (Radiator, Fan, Aftercooler, Oil
– Cooling System Package (Radiator, Fan, Aftercooler, Oil
– Electric Starting Motor – Remove and Install
– Engine Compartment Shield – Remove and Install
– Engine from Torque Converter and Transmission – Separate
– Engine to Torque Converter and Transmission – Connect
– Engine, Torque Converter, and Transmission – Install
– Engine, Torque Converter, and Transmission – Remove
– Expansion Tank (Coolant) – Remove and Install
– 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
– Gear Motor (Hydraulic Fan) – Assemble
– Gear Motor (Hydraulic Fan) – Disassemble
– Hood – Install
– Hood – Remove
– Hood Tilt Actuator – Remove and Install
– Hydraulic Oil Cooler – Remove and Install
– Muffler – Remove and Install
– Radiator – 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
– Turbocharger – Install
– Turbocharger – Remove
– Water Pump – Remove and Install
– Water Temperature Regulator – Remove and Install
Disassembly and Assembly IT38H Integrated Toolcarrier and 938H Wheel Loader Machine Systems
– Blower Motor (Air Conditioner, Heater) – Install
– Blower Motor (Air Conditioner, Heater) – Remove
– Brake Accumulator – Remove and Install
– Brake Control Valve (Service) – Install
– Brake Control Valve (Service) – Remove
– Cab – Install
– Cab – Remove
– Control Manifold (Brake Charge) (Hydraulic Fan Control) –
– Control Manifold (Brake Charge) (Hydraulic Fan Control) –
– Control Manifold (Brake Charge) (Hydraulic Fan Control) –
– Control Manifold (Brake Charge) (Hydraulic Fan Control) –
– Coupler Cylinder – Remove and Install
– Disconnecting Snap To Connect Fittings
– Evaporator Coil and Heater Coil – Install
– Evaporator Coil and Heater Coil – Remove
– 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 from Rear Frame – Separate
– Loader Frame to Rear Frame – Connect
– Lubrication Pump (Automatic) – Assemble
– Lubrication Pump (Automatic) – Disassemble
– Lubrication Pump (Automatic) – Install
– Lubrication Pump (Automatic) – Remove
– Main Control Valve – Install
– Main Control Valve – Remove
– Metering Pump (HMU Steering) – Install
– Metering Pump (HMU Steering) – Remove
– Pilot Oil Accumulator (Dead Engine, Lift Arm Lower) –
– Pilot Operated Hydraulic Control (Joystick) – Assemble
– Pilot Operated Hydraulic Control (Joystick) – Disassemble
– Pilot Operated Hydraulic Control (Joystick) – Install
– Pilot Operated Hydraulic Control (Joystick) – Remove
– Piston Pump (Brake, Hydraulic Fan) – Assemble
– Piston Pump (Brake, Hydraulic Fan) – Disassemble
– Piston Pump (Brake, Hydraulic Fan) – Install
– Piston Pump (Brake, Hydraulic Fan) – Remove
– Piston Pump (Implement, Steering) – Assemble
– Piston Pump (Implement, Steering) – Disassemble
– Piston Pump (Implement, Steering) – Install
– Piston Pump (Implement, Steering) – Remove
– Quick Coupler – Remove and Install
– Ride Control Accumulator – Remove and Install
– Seat – Install
– Seat – Remove
– Secondary Steering Pump and Electric Motor – Install
– Secondary Steering Pump and Electric Motor – 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
– 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 IT38H Integrated Toolcarrier and 938H Wheel Loader Power Train
– Axle Housing (Short) – Install
– Axle Housing (Short) – Remove
– Axle Oil Cooler Pump and Clutch – Install
– Axle Oil Cooler Pump and Clutch – Remove
– Axle Shaft – Remove and Install
– Bypass Valve (Transmission Oil Cooler) – Install
– Bypass Valve (Transmission Oil Cooler) – Remove
– Differential (Locking) – Assemble
– Differential (Locking) – Disassemble
– Differential and Bevel Gear (Locking) – Install
– Differential and Bevel Gear (Locking) – Remove
– Differential Pinion (Locking) – Assemble
– Differential Pinion (Locking) – Disassemble
– Drive Shaft (Center) – Remove and Install
– Drive Shaft (Front) – Remove and Install
– Drive Shaft (Rear) – Remove and Install
– Duo-Cone Conventional Seals – Install
– Final Drive and Wheel – Assemble
– Final Drive and Wheel – Disassemble
– Final Drive and Wheel – Install
– Final Drive and Wheel – Remove
– Fixed Axle (Front) – Install
– Fixed Axle (Front) – Remove
– Gear Pump (Axle Oil Cooler) – Assemble
– Gear Pump (Axle Oil Cooler) – 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
– Oscillating Axle (Rear) – Install
– Oscillating Axle (Rear) – Remove
– 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 – Disassemble – Fixed
– Transmission – Assemble
– Transmission – Disassemble
– Transmission and Torque Converter – Connect
– Transmission and Torque Converter – Separate
– Transmission Oil Cooler – Install
– Transmission Oil Cooler – Remove
– 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
IT38H Integrated Toolcarrier and 938H Wheel Loader Braking and Hydraulic Fan System
– Air Pump (Variable Pitch Fan) Pressure – Test
– Brake Accumulator
– Brake Accumulator – Test and Charge
– 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)
– General Testing and Adjusting Information (Brake, Hydraulic
– Hydraulic Fan Speed – Test and Adjust
– Hydraulic Fan System
– Hydraulic Oil Contamination – Test
– Limit Switch (Stop Light) – Adjust
– Monitoring System (Brake Functions)
– Oil Coolers and Cooling System Operation
– Parking Brake
– Parking Brake – Manual Release
– Parking Brake – Test
– Parking Brake Control – Adjust
– Piston Pump (Brake, Hydraulic Fan)
– Position Sensor (Left Brake Pedal)
– Pressure Tap Locations
– Service Brake System Pressure – Test
– Service Brake Wear Indicator
– Service Brake Wear Indicator – Check
– Service Brakes
– Service Brakes – Test
– System Pressure – Release
– Variable Pitch Fan Cycle Time – Adjust
IT38H Integrated Toolcarrier and 938H Wheel Loader Monitoring System
– Charging System
– Connector Contact Description
– Connector Locations
– Data Link
– Diagnostic Capabilities
– Diagnostic Code List
– Display Module
– Electrical Connector – Inspect
– Emerging Symptom Information
– Event Code List
– General Information
– General Information
– Input Components
– Menu Navigation
– Menus (Messenger)
– MID 053 – CID 0168 – FMI 02
– MID 053 – CID 0168 – FMI 03
– MID 053 – CID 0168 – FMI 04
– MID 053 – CID 0271 – FMI 03
– MID 053 – CID 0271 – FMI 04
– MID 053 – CID 0271 – FMI 05
– MID 053 – CID 0296 – FMI 02
– MID 053 – CID 0296 – FMI 09
– MID 053 – CID 0296 – FMI 14
– MID 053 – CID 0590 – FMI 02
– MID 053 – CID 0590 – FMI 09
– MID 053 – CID 0590 – FMI 14
– MID 053 – CID 0811 – FMI 09
– Module – Flash Program
– Module – Replace
– Monitoring System
– Output Components
– Power Supply Circuit
– Self Test
– Service Tools
– Switch Circuits
– Symptom Troubleshooting
– System Schematic
– Using Caterpillar Electronic Technician to Determine
– Using Messenger to Determine Diagnostic Codes
– Warning Operation
– Wiring Harness (Open Circuit) – Test
– Wiring Harness (Short Circuit) – Test
IT38H Integrated Toolcarrier and 938H Wheel Loader Steering System
– Articulated Hitch – Adjust
– Control Manifold (Implement, Steering Pump Margin Relief)
– General Information (Steering)
– General Testing and Adjusting Information (Steering System)
– Hydraulic Oil Contamination – Test
– Metering Pump (HMU Steering)
– Piston Pump (Implement, Steering)
– Piston Pump (Implement, Steering) Margin Pressure – Test and
– Pressure Tap Locations
– Priority Valve (Steering)
– Secondary Steering Pump and Electric Motor
– Secondary Steering System
– Steering Time – Check
– System Pressure – Release
Machine Security System (MSS3i) Integrated
– System Overview
– System Components
– Data Link
– General Information
– Troubleshooting
– Key – Program
– Scheduled Access – Program – Security System Bypass
– Time – Set
– Factory Password – Obtain
– Configuration
– Machine Security System – Uninstall
– Normal Operation
– Glossary of Terms
– System Schematic
– Operation of Status Indicator
– Key Information
– Scheduled Access – “Security System Bypass Times”
– Diagnostic Operation
– Protected Functions
– Service Operation Using Service Tool
– Electronic Control Module (ECM)
– General Information
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 938H and IT38H Wheel Loader Electrical System
– Feature
– Cover Page
– Information
– Component Location
– Volume 1 of 2 – Engine and Chassis Wiring
– Volume 2 of 2 – Cab Wiring
– Connector Location
– Volume 1 of 2 – Engine and Chassis Wiring
– Volume 2 of 2 – Cab Wiring
– CID/MID/FMI
– Specifications and Related Manuals
– Volume 1 of 2 – Engine and Chassis Wiring
– Volume 2 of 2 – Cab Wiring
– Standard Electrical
– Schematics
– Volume 1 of 2 – Engine and Chassis Wiring
– Volume 2 of 2 – Cab Wiring
– Machine Views
– Volume 1 of 2 – Engine and Chassis Wiring
– (AC) Harness – IT38H Front Frame Harness
– (AG) Harness – 938H Front Frame Harness
– (AT) Harness – Transmission Harness
– (CH) Harness – Engine Application Harness and (PE) Harness – Basic Engine Harness
– (CJ) Harness – Main Chassis Harness, (CV) Harness – Secondary Steering Harness and (HC) Harness – Hydraulic Service Center Harness
– Volume 2 of 2 – Cab Wiring
– (C) Harness – Main Cab Harness
– (PC) Harness – Payload Harness and (PL) Harness – Product Link Harness
Schematic Caterpillar 938H and IT38H Wheel 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 Circuit)
– 032 (Red) (Implement and Steering Circuit)
– 190 (Dk Pink) (Secondary Steering Pump)
– 258 (Dk Purple) (4th Function Control)
– 305 (Lt Blue) (Steering Circuit)
– 346 (Med Green) (Fan Control)
– 347 (Dk Green) (Supply Line)
– 430 (Dk Gray) (Implement and Fan Load Sense Circuit)
– 500 (Med Pink) (Secondary Steering Pump Circuit)
– 522 (Lt Purple) (Lift Cylinder and Control Circuit)
– 577 (Lt Green) (Drain / Return Line)
– 613 (Dk Yellow) (Implement Load Sense Circuit)
– 651 (Blue Gray) (Coupler Cylinder Control)
– 5655 (Lt Gray)
– 5767 (Olive Green) (Differntial Lock Control)
– SUB 577 (Lt Green Stripe) (Brake Cooling circuit)
– Machine Views
– Machine Component Locations
– Differential Lock and Axle Cooling Component Locations
– Fan/ Brake Component Locations
– Implement Component Locations
– Steering Component Locations
Specifications 938H Wheel Loader and IT38H Integrated Toolcarrier Braking and Hydraulic Fan System
– Air Pump (Variable Pitch Fan) – If Equipped
– Brake Accumulator
– Brake Control Valve (Service)
– Breaker Relief Valve
– Check Valve (Hydraulic Oil Cooler Bypass)
– Control Manifold (Brake Charge) (Hydraulic Fan Control)
– Foot Brake Control
– Gear Motor (Hydraulic Fan)
– Hydraulic Tank
– Limit Switch (Parking Brake)
– Limit Switch (Stop Light)
– Oil Filter (Hydraulic Case Drain)
– Oil Filter (Hydraulic)
– Parking Brake
– Parking Brake Control
– Piston Pump (Brake, Hydraulic Fan)
– Position Sensor (Left Brake Pedal)
– Pressure Switch (Service Brake Oil)
– Service Brakes
– Solenoid Valve (Cold Start, Fan Motor Shutoff)
– Temperature Sensor (Hydraulic Oil)
Specifications 938H Wheel Loader and IT38H Integrated Toolcarrier Hydraulic System
– Breaker Relief Valve
– Check Valve (Hydraulic Oil Cooler Bypass)
– Control Manifold (Implement, Steering Pump Margin Relief)
– Control Manifold (Pump Control Torque Limiter)
– Control Manifold (Ride Control) (4-Function Control Valve)
– Control Valve (Auxiliary)
– Control Valve (Lift)
– Control Valve (Tilt)
– Coupler Cylinder
– Diverter Valve (Quick Coupler)
– Hydraulic Tank
– Inlet Manifold (Hydraulic)
– Lift Cylinder
– Main Control Valve
– Oil Filter (Hydraulic Case Drain)
– Oil Filter (Hydraulic)
– Pilot Oil Accumulator (Dead Engine, Lift Arm Lower)
– Pilot Operated Hydraulic Control
– Pilot Operated Hydraulic Control (Joystick)
– Pilot Valve
– Piston Pump (Implement, Steering)
– Relief Valve (Line)
– Relief Valve (Signal)
– Ride Control Accumulator
– Ride Control Valve (2-Function, 3-Function Control Valve)
– Solenoid Valve (Hydraulic Lockout)
– Solenoid Valve (Quick Coupler)
– Temperature Sensor (Hydraulic Oil)
– Tilt Cylinder
– Work Tool Control
Specifications 938H Wheel Loader and IT38H Integrated Toolcarrier Steering System
– Articulated Hitch
– Breaker Relief Valve
– Check Valve (Secondary Steering)
– Check Valve (Steering)
– Control Manifold (Implement, Steering Pump Margin Relief)
– Control Manifold (Pump Control Torque Limiter)
– Hydraulic Tank
– Metering Pump (HMU Steering)
– Oil Filter (Hydraulic Case Drain)
– Piston Pump (Implement, Steering)
– Pressure Switch (Primary Steering Oil) (Secondary Steering
– Priority Valve (Steering)
– Relay (Secondary Steering Motor)
– Secondary Steering Pump and Electric Motor
– Steering Control
– Steering Cylinder
– Temperature Sensor (Hydraulic Oil)
Specifications 938H and IT38H Wheel Loader and Integrated Tool Carrier Power Train
– Accumulator (Differential Lock)
– Axle Mounting
– Bypass Valve (Transmission Oil Cooler)
– Check Valve (Axle Oil Cooler Bypass)
– Clutch (First, Third)
– Clutch (Forward High, Forward Low)
– Clutch (Reverse, Second)
– Control Manifold (Differential Lock)
– Differential (Locking)
– Differential (Open)
– Differential and Bevel Gear (Locking)
– Differential and Bevel Gear (Open)
– Drive Shaft
– Electric Clutch (Axle Oil Cooler Pump)
– Engine and Transmission Mounting
– Final Drive and Wheel
– Fixed Axle (Front)
– Gear Pump (Axle Oil Cooler)
– Modulating Valve (Transmission Clutch)
– Oil Filter (Power Train)
– Oscillating Axle (Rear)
– Output Transfer Gears
– Position Sensor (Articulation Angle)
– Pressure Switch (Power Train Oil Filter Bypass)
– Relief Valve (Transmission Hydraulic Control)
– Rim Mounting
– Solenoid Valve (Differential Lock On, Off)
– Solenoid Valve (Differential Lock Proportioning)
– Speed Sensor (Torque Converter Output) (Transmission
– Speed Sensor (Transmission Intermediate Output)
– Speed Sensor (Wheel) – Auto Differential Lock
– Temperature Sensor (Rear Axle Oil)
– Temperature Sensor (Torque Converter Oil)
– Temperature Sensor (Transmission Oil)
– Temperature Switch (Front Axle Oil)
– Torque Converter
– Transmission
– Transmission Case
– Transmission Hydraulic Control
– Transmission Oil Pump
Specifications C6.6 Engines for Caterpillar Built Machines
– Alternator
– Camshaft
– Camshaft Bearings
– Connecting Rod
– Connecting Rod Bearing Journal
– Coolant Temperature Sensor
– Crankcase Breather
– Crankshaft
– Crankshaft Seals
– Cylinder Block
– Cylinder Head
– Cylinder Head Valves
– Electronic Control Module
– Engine Design
– Engine Lifting Bracket
– Engine Oil Cooler
– Engine Oil Filter Base
– Engine Oil Pan
– Engine Oil Pressure
– Engine Oil Pressure Sensor
– Engine Oil Pump
– Exhaust Manifold
– Flywheel
– Flywheel Housing
– Front Housing and Covers
– Fuel Filter Base
– Fuel Injection Lines
– Fuel Injection Nozzles
– Fuel Injection Pump
– Fuel Pressure Sensor
– Fuel Priming Pump
– Fuel Transfer Pump
– Gear Group (Front)
– Glow Plugs
– Inlet Manifold
– Inlet Manifold Air Pressure Sensor
– Inlet Manifold Temperature Sensor
– Lifter Group
– Main Bearing Journal
– Piston and Rings
– Piston Cooling Jet
– Rocker Shaft
– Speed Sensor
– Starter Motor
– Turbocharger
– Valve Mechanism Cover
– Vibration Damper and Pulley
– Water Pump
– Water Temperature Regulator and Housing
Systems Operation & Testing and Adjusting C6.6 Engines for Caterpillar Built Machines
– Air in Fuel – Test
– Air Inlet and Exhaust System
– Air Inlet and Exhaust System – Inspect
– Alternator – Test
– Basic Engine
– Battery – Test
– Charging System – Test
– Cleanliness of Fuel System Components
– Compression – Test
– Connecting Rod – Inspect
– Cooling System
– Cooling System – Check
– Cooling System – Inspect
– Cooling System – Test
– Cylinder Block – Inspect
– Cylinder Head – Inspect
– Electric Starting System – Test
– Electrical System
– Electronic Control System Components
– Engine Oil Cooler – Inspect
– Engine Oil Pressure – Test
– Engine Oil Pump – Inspect
– Engine Valve Lash – Inspect/Adjust
– Excessive Bearing Wear – Inspect
– Excessive Engine Oil Consumption – Inspect
– Finding Top Center Position for No. 1 Piston
– Flywheel – Inspect
– Flywheel Housing – Inspect
– Fuel Injection Timing – Check
– Fuel Quality – Test
– Fuel System
– Fuel System – Inspect
– Fuel System – Prime
– Gear Group (Front) – Time
– Gear Group – Inspect
– General Information
– Glow Plugs – Test
– Increased Engine Oil Temperature – Inspect
– Lubrication System
– Piston Height – Inspect
– Piston Ring Groove – Inspect
– Power Sources
– Turbocharger – Inspect
– V-Belt – Test
– Valve Depth – Inspect
– Valve Guide – Inspect
– Vibration Damper – Check
– Water Pump – Inspect
– Water Temperature Regulator – Test
Systems Operation EquipmentManager Dealer Administrator Manual
– Active Fleet
– Administration
– Asset Watch
– Enable Program
– Equipment Usage
– Fault Codes
– Fuel Results
– General Information
– Getting Started
– Health Watch
– Maintenance Watch
– Major Repair
– Manage Equipment Groups
– Manage Event Tracking
– Manage Hardware
– Manage Major Repair Tracking
– Manage Planned Maintenance
– Manage Time Fence and Geographic Fence
– Manage Users
– Operation and Maintenance Manual
– Planned Maintenance
– Preference Detail
– Preferences
– Product Link Installation
– Product Monitoring
– Product Usage
– Reports
– Setup Subscriptions
– Time Fence and Geographic Fence
– Upload Data
– Verify Machine Records and Ownership
Systems Operation EquipmentManager User Guide
– Getting Started
– Manage Major Repair Tracking
– Manage Time Fence and Geographic Fence
– Manage Planned Maintenance
– Preferences
– Preference Detail
– Asset Watch
– Time Fence and Geographic Fence
– Maintenance Watch
– Planned Maintenance
– Major Repair
– Verify Machine Records and Ownership
– Health Watch
– Fuel Results
– Fault Codes
– Reports
– Product Usage
– Product Monitoring
– Operation and Maintenance Manual
– Equipment Usage
– Manage Users
– Product Link Installation
– Administration
– Manage Equipment Groups
– Manage Hardware
– Manage Event Tracking
– Upload Data
– General Information
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 C6.6 Engines For Caterpillar Built Machines
– 5 Volt Sensor Supply Circuit – Test
– Air Inlet and Exhaust System
– Alternator Noise
– Alternator Will Not Charge
– Battery
– CAN Data Link Circuit – Test
– Can Not Reach Top Engine RPM
– CID 0001 FMI 02
– CID 0001 FMI 05
– CID 0001 FMI 06
– CID 0001 FMI 07
– CID 0002 FMI 02
– CID 0002 FMI 05
– CID 0002 FMI 06
– CID 0002 FMI 07
– CID 0003 FMI 02
– CID 0003 FMI 05
– CID 0003 FMI 06
– CID 0003 FMI 07
– CID 0004 FMI 02
– CID 0004 FMI 05
– CID 0004 FMI 06
– CID 0004 FMI 07
– CID 0005 FMI 02
– CID 0005 FMI 05
– CID 0005 FMI 06
– CID 0005 FMI 07
– CID 0006 FMI 02
– CID 0006 FMI 05
– CID 0006 FMI 06
– CID 0006 FMI 07
– CID 0041 FMI 03
– CID 0041 FMI 04
– CID 0091 FMI 03
– CID 0091 FMI 04
– CID 0091 FMI 08
– CID 0091 FMI 12
– CID 0100 FMI 03
– CID 0100 FMI 04
– CID 0100 FMI 10
– CID 0110 FMI 03
– CID 0110 FMI 04
– CID 0168 FMI 00
– CID 0168 FMI 01
– CID 0168 FMI 02
– CID 0171 FMI 03
– CID 0171 FMI 04
– CID 0172 FMI 03
– CID 0172 FMI 04
– CID 0190 FMI 08
– CID 0247 FMI 09
– CID 0253 FMI 02
– CID 0261 FMI 11
– CID 0262 FMI 03
– CID 0262 FMI 04
– CID 0267 FMI 03
– CID 0267 FMI 04
– CID 0268 FMI 02
– CID 0342 FMI 08
– CID 0526 FMI 05
– CID 0526 FMI 06
– CID 0526 FMI 07
– CID 0549 FMI 02
– CID 1438 FMI 05
– CID 1438 FMI 06
– CID 1627 FMI 05
– CID 1627 FMI 06
– CID 1639 FMI 02
– CID 1639 FMI 09
– CID 1779 FMI 05
– CID 1779 FMI 06
– CID 1785 FMI 03
– CID 1785 FMI 04
– CID 1785 FMI 10
– CID 1797 FMI 03
– CID 1797 FMI 04
– CID 1834 FMI 02
– CID 2246 FMI 05
– CID 2246 FMI 06
– CID 2417 FMI 05
– CID 2417 FMI 06
– CID 2770 FMI 03
– CID 2770 FMI 04
– CID 2771 FMI 03
– CID 2771 FMI 04
– Coolant in Engine Oil
– Coolant Temperature Is Too High
– Cooling Fan Control – Test
– Customer Specified Parameters
– Customer Specified Parameters Table
– Customer Specified Parameters Worksheet
– Data Link Circuit – Test
– Diagnostic Code Cross Reference
– Digital Throttle Position Sensor Circuit – Test
– E1044 High Intake Manifold Pressure
– E1045 Low Intake Manifold Pressure
– E172 High Air Filter Restriction
– E194 High Exhaust Temperature
– E360 Low Engine Oil Pressure
– E361 High Engine Coolant Temperature
– E362 Engine Overspeed
– E396 High Fuel Rail Pressure
– E398 Low Fuel Rail Pressure
– E539 High Intake Manifold Air Temperature
– ECM Harness Connector Terminals
– ECM Memory – Test
– ECM Will Not Accept Factory Passwords
– ECM Will Not Communicate with Other Systems or Display
– Electrical Connectors – Inspect
– Electronic Service Tool Will Not Communicate with ECM
– Electronic Service Tools
– Engine Cranks but Will Not Start
– Engine Has Early Wear
– Engine Misfires, Runs Rough or Is Unstable
– Engine Oil in Cooling System
– Engine Pressure Sensor Open or Short Circuit – Test
– Engine Speed Does Not Change
– Engine Speed/Timing Sensor Circuit – Test
– Engine Stalls at Low RPM
– Engine Temperature Sensor Open or Short Circuit – Test
– Engine Temperature Sensor Open or Short Circuit – Test
– Engine Vibration
– Engine Will Not Crank
– Engine Wiring Information
– Ether Starting Aid – Test
– Event Codes
– Excessive Black Smoke
– Excessive Engine Oil Consumption
– Excessive Fuel Consumption
– Excessive Valve Lash
– Excessive White Smoke
– Factory Passwords
– Flash Programming
– Fuel Rail Pump Solenoid – Test
– Glossary
– Ignition Keyswitch Circuit and Battery Supply Circuit – Test
– Injector Data Incorrect – Test
– Injector Solenoid Circuit – Test
– Injector Trim File
– Intake Air Temperature Is Too High
– Intermittent Engine Shutdown
– Intermittent Low Power or Power Cutout
– Low Engine Oil Pressure
– Low Power/Poor or No Response to Throttle
– Mechanical Noise (Knock) in Engine
– Noise Coming from Cylinder
– Programming Parameters
– Replacing the ECM
– Self-Diagnostics
– Sensors and Electrical Connectors
– Starting Aid (Glow Plug) Relay Circuit – Test
– System Configuration Parameters
– System Overview
– Test ECM Mode
– Throttle Lock – Test
– Throttle Setup
– Wastegate Solenoid – Test
Troubleshooting IT38H Integrated Toolcarrier and 938H Wheel Loader Transmission Electronic Control System
– 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) – Configure
– Electronic Control Module (ECM) – Flash Program
– Electronic Control Module (ECM) – Replace
– Emerging Symptom Information
– Event Code List
– 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 0127 – FMI 03
– MID 081 – CID 0127 – FMI 04
– MID 081 – CID 0127 – FMI 08
– MID 081 – CID 0168 – FMI 00
– MID 081 – CID 0168 – FMI 01
– MID 081 – CID 0168 – FMI 04
– MID 081 – CID 0177 – FMI 03
– MID 081 – CID 0177 – FMI 04
– MID 081 – CID 0262 – FMI 03
– MID 081 – CID 0262 – FMI 04
– MID 081 – CID 0268 – FMI 02
– MID 081 – CID 0291 – FMI 03
– MID 081 – CID 0291 – FMI 05
– MID 081 – CID 0291 – FMI 06
– MID 081 – CID 0367 – FMI 03
– MID 081 – CID 0368 – FMI 02
– MID 081 – CID 0368 – FMI 03
– MID 081 – CID 0428 – FMI 03
– MID 081 – CID 0428 – 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 08
– MID 081 – CID 0590 – FMI 02
– MID 081 – CID 0590 – FMI 09
– MID 081 – CID 0590 – FMI 14
– MID 081 – CID 0600 – FMI 03
– MID 081 – CID 0600 – FMI 04
– MID 081 – CID 0605 – FMI 08
– MID 081 – CID 0606 – FMI 08
– MID 081 – CID 0607 – FMI 08
– MID 081 – CID 0608 – FMI 08
– MID 081 – CID 0615 – FMI 03
– MID 081 – CID 0615 – FMI 04
– MID 081 – CID 0623 – FMI 02
– MID 081 – CID 0623 – FMI 03
– MID 081 – CID 0672 – FMI 08
– MID 081 – CID 0673 – FMI 08
– MID 081 – CID 0674 – FMI 08
– MID 081 – CID 0675 – FMI 08
– MID 081 – CID 0702 – FMI 02
– MID 081 – CID 0702 – FMI 03
– MID 081 – CID 0737 – FMI 03
– MID 081 – CID 0737 – FMI 04
– MID 081 – CID 0737 – FMI 13
– MID 081 – CID 0793 – FMI 03
– MID 081 – CID 0793 – FMI 04
– MID 081 – CID 0793 – FMI 07
– MID 081 – CID 0794 – FMI 03
– MID 081 – CID 0794 – FMI 04
– MID 081 – CID 0794 – FMI 07
– MID 081 – CID 0795 – FMI 03
– MID 081 – CID 0795 – FMI 05
– MID 081 – CID 0795 – FMI 06
– MID 081 – CID 0795 – FMI 07
– MID 081 – CID 0811 – FMI 09
– MID 081 – CID 0826 – FMI 03
– MID 081 – CID 0826 – FMI 04
– MID 081 – CID 0826 – FMI 08
– MID 081 – CID 1195 – FMI 03
– MID 081 – CID 1195 – FMI 04
– MID 081 – CID 1326 – FMI 02
– MID 081 – CID 1330 – FMI 03
– MID 081 – CID 1330 – FMI 04
– 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 1584 – FMI 03
– MID 081 – CID 1584 – FMI 06
– MID 081 – CID 1716 – FM 03
– MID 081 – CID 1716 – FM 06
– MID 081 – CID 1721 – FM 03
– MID 081 – CID 1721 – FM 06
– MID 081 – CID 1960 – FMI 09
– MID 081 – CID 2129 – FMI 03
– MID 081 – CID 2129 – FMI 05
– MID 081 – CID 2129 – FMI 06
– MID 081 – CID 2274 – FMI 02
– MID 081 – CID 2274 – FMI 03
– MID 081 – CID 2347 – FMI 03
– MID 081 – CID 2347 – FMI 05
– MID 081 – CID 2347 – FMI 06
– MID 081 – CID 2442 – FMI 03
– MID 081 – CID 2442 – FMI 05
– MID 081 – CID 2442 – FMI 06
– MID 081 – CID 2443 – FMI 03
– MID 081 – CID 2443 – FMI 05
– MID 081 – CID 2443 – FMI 06
– MID 081 – CID 2444 – FMI 03
– MID 081 – CID 2444 – FMI 05
– MID 081 – CID 2444 – FMI 06
– MID 081 – CID 2445 – FMI 03
– MID 081 – CID 2445 – FMI 04
– MID 081 – CID 2970 – FMI 03
– MID 081 – CID 2970 – FMI 05
– MID 081 – CID 2970 – FMI 06
– Operational Checks (Brake System)
– Operational Checks (Hydraulic System)
– Operational Checks (Power Train)
– Operational Checks (Steering System)
– Service Tools
– Steering System
– Switch Circuits
– Symptom Troubleshooting
– 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