Complete workshop repair service manual with electrical wiring diagrams for Caterpillar C-12 Engines. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

Caterpillar C12 Engines service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

2,152 pages, bookmarked, Searchable, Printable, high quality PDF

MANUAL LIST:
RENR9367 - Troubleshooting (C-12 Generator Set Engine)
SENR9644 - Disassembly and Assembly (C-12 Marine Engines)
KENR9511 - Schematic (Marine Multi-Station Control System II Electrical System)
RENR1282 - Specifications (On-Highway Engines Electronic PTO Installation & Application Guide)
RENR1282 - Systems Operation (On-Highway Engines Electronic PTO Installation & Application Guide)
RENR1282 - Testing & Adjusting (On-Highway Engines Electronic PTO Installation & Application Guide)
RENR1377 - Systems Operation (Electric Protection System Energize-To-Run for Generator Set, Industrial & Marine Diesel Engines)
RENR1377 - Testing & Adjusting (Electric Protection System Energize-To-Run for Generator Set, Industrial & Marine Diesel Engines)
RENR7651 - Specifications (C12 Marine Engines)
RENR7893 - Schematic (Marine Multi-Station Control System Electrical System)
RENR7929 - Schematic (Marine Multi-Station Control System Electrical System)
RENR8131 - Schematic (C-12 Tier II Marine Engine Electrical System)
RENR9405 - Disassembly & Assembly (C12 Marine Engines)
SEGV3008 - Systems Operation (Fundamentals Electrical System for All Caterpillar Products)
SENR3130 - Torque Specifications
SENR3981 - Schematic - Fluid Power & Electrical Graphic Symbols
SENR5002 - Troubleshooting (Marine Engine Electronic Displays)
SENR9535 - Schematic - Electrical System (C-12 Truck Engine)
SENR9642 - Specifications (C12 Marine Engines)
SENR9643 - Systems Operation (C12 Marine Engine)
SENR9643 - Testing & Adjusting (C12 Marine Engine)
UENR3262 - Disassembly & Assembly - Seal Installation
SEBF9050 - Applied Failure Analysis - Engine Valve Failure Modes{1100, 1105}.pdf
SEBU6875 - Owner's Manual (Caterpillar Driver Information Display).pdf
SENR2995 - Product Safety.pdf
SENR3130 - Specifications (Torque Specifications for All Caterpillar Products).pdf
...
 KENR9511 - Schematic (Marine Multi-Station Control System II Electrical System)
    Collage.pdf
    Main.pdf
 KENR9511 - Schematic (Marine Multi-Station Control System II Electrical System).pdf
 RENR1282 - Specifications (On-Highway Engines Electronic PTO Installation & Application Guide)
    Component Installation.pdf
    General Information.pdf
    Switches.pdf
 RENR1282 - Specifications (On-Highway Engines Electronic PTO Installation & Application Guide).pdf
 RENR1282 - Systems Operation (On-Highway Engines Electronic PTO Installation & Application Guide)
    General Information.pdf
    Programmable Parameters.pdf
 RENR1282 - Systems Operation (On-Highway Engines Electronic PTO Installation & Application Guide).pdf
 RENR1282 - Testing & Adjusting (On-Highway Engines Electronic PTO Installation & Application Guide)
    PTO Configurations - Test.pdf
    PTO Parameters - Program.pdf
 RENR1282 - Testing & Adjusting (On-Highway Engines Electronic PTO Installation & Application Guide).pdf
 RENR1377 - Systems Operation (Electric Protection System Energize-To-Run for Generator Set, Industrial & Marine Diesel Engines)
    Abbreviations and Symbols.pdf
    ETR Component Descriptions.pdf
    ETR Introduction.pdf
    ETR Junction Box-Switchgear Not Required (OP,WT,OS).pdf
    ETR Junction Box-Switchgear Not Required (OP,WT).pdf
    ETR Junction Box-Switchgear Required (OP,WT,OS).pdf
    Junction Box and Enclosure Group.pdf
 RENR1377 - Systems Operation (Electric Protection System Energize-To-Run for Generator Set, Industrial & Marine Diesel Engines).pdf
 RENR1377 - Testing & Adjusting (Electric Protection System Energize-To-Run for Generator Set, Industrial & Marine Diesel Engines)
    Crank Terminate Speed Calibration.pdf
    Diode Test.pdf
    Electric Protection System Functional Test.pdf
    Engine Oil Pressure Switch Test.pdf
    General Testing and Adjusting Information.pdf
    General Troubleshooting Information.pdf
    Magnetic Pickup Test.pdf
    Oil Step Speed Calibration.pdf
    Overspeed Calibration.pdf
    Overspeed Verification Test.pdf
    Slave Relay Test.pdf
    Troubleshooting the ETR Full Protective System (OP, WT, OS).pdf
    Troubleshooting the ETR Partial Protection System (OP, WT).pdf
    Water Temperature Contactor Switch Test.pdf
 RENR1377 - Testing & Adjusting (Electric Protection System Energize-To-Run for Generator Set, Industrial & Marine Diesel Engines).pdf
 RENR7651 - Specifications (C12 Marine Engines)
    Data Link.pdf
    General Information.pdf
    Junction Box.pdf
    Marine Power Display.pdf
    Operator Controls.pdf
 RENR7651 - Specifications (C12 Marine Engines).pdf
 RENR7893 - Schematic (Marine Multi-Station Control System Electrical System)
    Collage.pdf
    Main.pdf
 RENR7893 - Schematic (Marine Multi-Station Control System Electrical System).pdf
 RENR7929 - Schematic (Marine Multi-Station Control System Electrical System)
    Collage.pdf
    Main.pdf
 RENR7929 - Schematic (Marine Multi-Station Control System Electrical System).pdf
 RENR8131 - Schematic (C-12 Tier II Marine Engine Electrical System)
    Collage.pdf
    Main.pdf
 RENR8131 - Schematic (C-12 Tier II Marine Engine Electrical System).pdf
 RENR9367 - Troubleshooting (C-12 Generator Set Engine)
    Alternator - Charging Problem.pdf
    Analog Sensor Supply Circuit - Test.pdf
    Battery.pdf
    Can Not Reach Top Engine RPM.pdf
    Cat Data Link Circuit - Test.pdf
    CID 0001 FMI 11 Cylinder #1 Injector fault.pdf
    CID 0002 FMI 11 Cylinder #2 Injector fault.pdf
    CID 0003 FMI 11 Cylinder #3 Injector fault.pdf
    CID 0004 FMI 11 Cylinder #4 Injector fault.pdf
    CID 0005 FMI 11 Cylinder #5 Injector fault.pdf
    CID 0006 FMI 11 Cylinder #6 Injector fault.pdf
    CID 0091 FMI 08 Throttle Position signal abnormal.pdf
    CID 0094 FMI 03 Fuel Pressure open_short to +batt.pdf
    CID 0094 FMI 04 Fuel Pressure short to ground.pdf
    CID 0100 FMI 03 Engine Oil Pressure open_short to +batt.pdf
    CID 0100 FMI 04 Engine Oil Pressure short to ground.pdf
    CID 0110 FMI 03 Engine Coolant Temperature open_short to +batt.pdf
    CID 0110 FMI 04 Engine Coolant Temperature short to ground.pdf
    CID 0168 FMI 02 System Voltage intermittent_erratic.pdf
    CID 0172 FMI 03 Intake Manifold Air Temp open_short to +batt.pdf
    CID 0172 FMI 04 Intake Manifold Air Temp short to ground.pdf
    CID 0174 FMI 03 Fuel Temperature open_short to +batt.pdf
    CID 0174 FMI 04 Fuel Temperature short to ground.pdf
    CID 0190 FMI 02 Loss of Engine Speed Signal.pdf
    CID 0190 FMI 11 Engine Speed Sensor mechanical failure.pdf
    CID 0253 FMI 02 Personality Module mismatch.pdf
    CID 0261 FMI 13 Engine Timing Calibration required.pdf
    CID 0262 FMI 03 5 Volt Sensor DC Power Supply short to +batt.pdf
    CID 0262 FMI 04 5 Volt Sensor DC Power Supply short to ground.pdf
    CID 0268 FMI 02 Check Programmable Parameters.pdf
    CID 0273 FMI 03 Turbo Outlet Pressure open_short to +batt.pdf
    CID 0273 FMI 04 Turbo Outlet Pressure short to ground.pdf
    CID 0274 FMI 03 Atmospheric Pressure open_short to +batt.pdf
    CID 0274 FMI 04 Atmospheric Pressure short to ground.pdf
    CID 0342 FMI 02 Loss of Secondary Engine Speed signal.pdf
    CID 0342 FMI 11 Secondary Engine Speed Sensor mechanical failure.pdf
    CID 0545 FMI 05 Ether Start Relay open_short to +batt.pdf
    CID 0545 FMI 06 Ether Start Relay short to ground.pdf
    CID 1589 FMI 03 Turbo Inlet Air Pressure Sensor open_shrt to +bat.pdf
    CID 1589 FMI 04 Turbo Inlet Air Pressure Sensor short to ground.pdf
    Coolant in Engine Oil.pdf
    Coolant Temperature Is Too High.pdf
    Diagnostic Codes.pdf
    E009 High Altitude Derate.pdf
    E085 Emergency Shutdown Override Activated.pdf
    E096 High Fuel Pressure.pdf
    E097 Engine Derate Overridden.pdf
    E169 Engine Oil Maintenance Required.pdf
    E170 Fuel Filter Change Required.pdf
    E198 Low Fuel Pressure.pdf
    E264 Emergency Stop Activated.pdf
    E360 Low Engine Oil Pressure.pdf
    E361 High Engine Coolant Temperature.pdf
    E362 Engine Overspeed.pdf
    E368 High Intake Manifold Air Temperature.pdf
    E391 Inlet Air Restriction.pdf
    ECM Will Not Accept Factory Passwords.pdf
    ECM Will Not Communicate with Other Systems or Display Modules.pdf
    Electrical Connectors - Inspect.pdf
    Electrical Power Supply Circuit - Test.pdf
    Electronic Service Tools.pdf
    Electronic Service Tool Will Not Communicate with ECM.pdf
    Engine Cranks but Will Not Start.pdf
    Engine Has Early Wear.pdf
    Engine Misfires, Runs Rough or Is Unstable.pdf
    Engine Oil in Cooling System.pdf
    Engine Oil in Exhaust System.pdf
    Engine Pressure Sensor Open or Short Circuit - Test.pdf
    Engine Speed_Timing Sensor - Calibrate.pdf
    Engine Speed_Timing Sensor Circuit - Test.pdf
    Engine Stalls at Low RPM.pdf
    Engine Temperature Sensor Open or Short Circuit - Test.pdf
    Engine Vibration.pdf
    Engine Will Not Crank.pdf
    Engine Wiring Information.pdf
    Ether Injection System - Test.pdf
    Event Codes.pdf
    Excessive Black Smoke.pdf
    Excessive Engine Oil Consumption.pdf
    Excessive Fuel Consumption.pdf
    Excessive Valve Lash.pdf
    Excessive White Smoke.pdf
    Factory Passwords.pdf
    Factory Passwords Worksheet.pdf
    Flash Programming.pdf
    Fuel Dilution of Engine Oil.pdf
    Fuel in Cooling System.pdf
    Injector Code - Calibrate.pdf
    Injector Solenoid Circuit - Test.pdf
    Intermittent Engine Shutdown.pdf
    Intermittent Low Power or Power Cutout.pdf
    Low Engine Oil Pressure.pdf
    Low Power_Poor or No Response to Throttle.pdf
    Mechanical Noise (Knock) in Engine.pdf
    Noise Coming from Cylinder.pdf
    Programming Parameters.pdf
    Replacing the ECM.pdf
    Self-Diagnostics.pdf
    Sensors and Electrical Connectors.pdf
    Speed Control - Test.pdf
    System Configuration Parameters.pdf
    System Overview.pdf
    Test ECM Mode.pdf
    Valve Rotator or Spring Lock Is Free.pdf
 RENR9367 - Troubleshooting (C-12 Generator Set Engine).pdf
 RENR9405 - Disassembly & Assembly (C12 Marine Engines)
    Accessory Drive - Assemble.pdf
    Accessory Drive - Disassemble.pdf
    Accessory Drive - Install.pdf
    Accessory Drive - Remove.pdf
    Aftercooler - Install.pdf
    Aftercooler - Remove .pdf
    Alternator - Remove and Install.pdf
    Auxiliary Water Pump - Assemble.pdf
    Auxiliary Water Pump - Disassemble.pdf
    Auxiliary Water Pump - Install.pdf
    Auxiliary Water Pump - Remove.pdf
    Bearing Clearance - Check.pdf
    Boost Pressure Sensor - Remove and Install.pdf
    Camshaft Bearings - Install.pdf
    Camshaft Bearings - Remove.pdf
    Camshaft Gear - Remove and Install.pdf
    Camshaft - Install.pdf
    Camshaft Position Sensor - Remove and Install.pdf
    Camshaft - Remove.pdf
    Connecting Rod Bearings - Install.pdf
    Connecting Rod Bearings - Remove.pdf
    Coolant Level Sensor - Remove and Install.pdf
    Coolant Temperature Sensor - Remove and Install.pdf
    Crankshaft Front Seal - Install.pdf
    Crankshaft Front Seal - Remove.pdf
    Crankshaft Gear - Remove and Install.pdf
    Crankshaft - Install.pdf
    Crankshaft Main Bearings - Install.pdf
    Crankshaft Main Bearings - Remove.pdf
    Crankshaft Position Sensor - Remove and Install.pdf
    Crankshaft Rear Seal - Install.pdf
    Crankshaft Rear Seal - Remove.pdf
    Crankshaft - Remove.pdf
    Cylinder Head - Install.pdf
    Cylinder Head - Remove.pdf
    Cylinder Liner - Install.pdf
    Cylinder Liner - Remove.pdf
    Electric Starting Motor - Remove and Install.pdf
    Electronic Control Module - Remove and Install.pdf
    Electronic Unit Injector - Install.pdf
    Electronic Unit Injector - Remove.pdf
    Electronic Unit Injector Sleeve - Remove.pdf
    Engine Oil Cooler - Install.pdf
    Engine Oil Cooler - Remove.pdf
    Engine Oil Filter Base - Assemble.pdf
    Engine Oil Filter Base - Disassemble.pdf
    Engine Oil Filter Base - Install.pdf
    Engine Oil Filter Base - Remove.pdf
    Engine Oil Pan - Remove and Install.pdf
    Engine Oil Pressure Sensor - Remove and Install.pdf
    Engine Oil Pump - Assemble.pdf
    Engine Oil Pump - Disassemble.pdf
    Engine Oil Pump - Install.pdf
    Engine Oil Pump - Remove.pdf
    Exhaust Manifold - Remove and Install.pdf
    Expansion Tank - Remove and Install.pdf
    Flywheel Housing - Remove and Install.pdf
    Flywheel - Remove and Install.pdf
    Front Cover - Install.pdf
    Front Cover - Remove.pdf
    Fuel Filter Base - Install.pdf
    Fuel Filter Base - Remove.pdf
    Fuel Manifold - Install.pdf
    Fuel Manifold - Remove.pdf
    Fuel Pressure Sensor - Remove and Install.pdf
    Fuel Priming Pump - Remove and Install.pdf
    Fuel Temperature Sensor - Remove and Install.pdf
    Fuel Transfer Pump - Install.pdf
    Fuel Transfer Pump - Remove.pdf
    Gear Group (Front) - Install.pdf
    Gear Group (Front) - Remove.pdf
    Heat Exchanger - Install.pdf
    Heat Exchanger - Remove.pdf
    Housing (Front) - Install.pdf
    Housing (Front) - Remove.pdf
    Inlet Air Temperature Sensor - Remove and Install.pdf
    Inlet and Exhaust Valve Guides - Remove and Install.pdf
    Inlet and Exhaust Valve Seat Inserts - Remove and Install.pdf
    Inlet and Exhaust Valve Springs - Remove and Install.pdf
    Inlet and Exhaust Valves - Remove and Install.pdf
    Lifter Group - Remove and Install.pdf
    Marine Transmission Oil Cooler - Remove and Install.pdf
    Piston Cooling Jets - Remove and Install.pdf
    Pistons and Connecting Rods - Assemble.pdf
    Pistons and Connecting Rods - Disassemble.pdf
    Pistons and Connecting Rods - Install.pdf
    Pistons and Connecting Rods - Remove.pdf
    Rocker Shaft and Pushrod - Install.pdf
    Rocker Shaft and Pushrod - Remove.pdf
    Rocker Shaft - Assemble.pdf
    Rocker Shaft - Disassemble.pdf
    Turbocharger - Assemble.pdf
    Turbocharger - Disassemble.pdf
    Turbocharger - Install.pdf
    Turbocharger - Remove.pdf
    Valve Mechanism Cover Base - Remove and Install.pdf
    Valve Mechanism Cover - Remove and Install.pdf
    Vibration Damper and Pulley - Remove and Install.pdf
    Water Outlet Manifold - Install.pdf
    Water Outlet Manifold - Remove.pdf
    Water Pump - Assemble.pdf
    Water Pump - Disassemble.pdf
    Water Pump - Install.pdf
    Water Pump - Remove.pdf
    Water Temperature Regulator - Remove and Install.pdf
 RENR9405 - Disassembly & Assembly (C12 Marine Engines).pdf
 SEBF9050 - Applied Failure Analysis - Engine Valve Failure Modes{1100, 1105}.pdf
 SEBU6875 - Owner's Manual (Caterpillar Driver Information Display).pdf
 SEGV3008 - Systems Operation (Fundamentals Electrical System for All Caterpillar Products)
    Basic Circuit Theory.pdf
    Basic Electrical Components.pdf
    Battery.pdf
    Charging System.pdf
    Circuit Voltage.pdf
    Electrical Measurement.pdf
    Electrical Schematic.pdf
    Electricity - How It Works.pdf
    Magnetism.pdf
    Ohms Law.pdf
    Solid State Electrical Components.pdf
    Starting System.pdf
 SEGV3008 - Systems Operation (Fundamentals Electrical System for All Caterpillar Products).pdf
 SENR2995 - Product Safety.pdf
 SENR3130 - Specifications (Torque Specifications for All Caterpillar Products).pdf
 SENR3130 - Torque Specifications
    Air Brake Fittings.pdf
    Air Conditioning Fittings.pdf
    Bulkhead Nuts.pdf
    English (SAE) Fasteners.pdf
    Flare Fittings.pdf
    General Information.pdf
    Ground Engaging Tool (G.E.T.) Fasteners.pdf
    Hose Clamps.pdf
    Installation of Fittings.pdf
    Metric (ISO) Fasteners.pdf
    Miscellaneous Fittings.pdf
    O-Ring Face Seal Fittings.pdf
    Plugs.pdf
    Straight Thread O-Ring Fittings.pdf
    Tapered Pipe Thread Fittings.pdf
 SENR3130 - Torque Specifications.pdf
 SENR3981 - Schematic - Fluid Power & Electrical Graphic Symbols
    Electrical Power Graphic Symbols.pdf
    Fluid Power Graphic Symbols.pdf
 SENR3981 - Schematic - Fluid Power & Electrical Graphic Symbols.pdf
 SENR5002 - Troubleshooting (Marine Engine Electronic Displays)
    Analog Power Display - Test.pdf
    CAN Data Link Circuit - Test.pdf
    Cat Data Link Circuit - Test.pdf
    Electrical Connectors - Inspect.pdf
    Engine Monitoring System - Test.pdf
    Engine Vision - Test.pdf
    Global Positioning System - Test.pdf
    Marine Power Display - Test.pdf
    Messenger - Test.pdf
    Troubleshooting.pdf
 SENR5002 - Troubleshooting (Marine Engine Electronic Displays).pdf
 SENR9535 - Schematic - Electrical System (C-12 Truck Engine)
    Collage.pdf
    Main.pdf
 SENR9535 - Schematic - Electrical System (C-12 Truck Engine).pdf
 SENR9642 - Specifications (C12 Marine Engines)
    Aftercooler.pdf
    Alternator and Regulator .pdf
    Alternator and Regulator.pdf
    Auxiliary Water Pump.pdf
    Belt Tension Chart.pdf
    Camshaft.pdf
    Connecting Rod Bearing Journal.pdf
    Connecting Rod.pdf
    Coolant Level Sensor.pdf
    Coolant Temperature Sensor.pdf
    Crankshaft.pdf
    Crankshaft Seals.pdf
    Cylinder Block.pdf
    Cylinder Head.pdf
    Cylinder Head Valves.pdf
    Cylinder Liner.pdf
    Cylinder Liner Projection.pdf
    Electric Starting Motor.pdf
    Electronic Unit Injector Mechanism.pdf
    Electronic Unit Injector.pdf
    Electronic Unit Injector Rocker Arm.pdf
    Electronic Unit Injector Wiring.pdf
    Engine Design.pdf
    Engine Oil Cooler.pdf
    Engine Oil Filter Base.pdf
    Engine Oil Pan.pdf
    Engine Oil Pressure Sensor.pdf
    Engine Oil Pump.pdf
    Engine Support (Front).pdf
    Flywheel Housing.pdf
    Flywheel.pdf
    Fuel Filter and Water Separator.pdf
    Fuel Lines.pdf
    Fuel Pressure Sensor.pdf
    Fuel Temperature Sensor.pdf
    Fuel Transfer Pump.pdf
    Gear Group (Front).pdf
    Heat Exchanger.pdf
    Housing (Front).pdf
    Inlet Air Temperature Sensor.pdf
    Magnetic Pickup.pdf
    Main Bearing Journal.pdf
    Piston and Rings.pdf
    Piston Cooling Jet.pdf
    Rocker Shaft.pdf
    Speed_Timing Sensor.pdf
    Transmission Oil Pressure Sensor.pdf
    Transmission Oil Temperature Sensor.pdf
    Turbocharger Outlet Pressure Sensor.pdf
    Turbocharger.pdf
    Valve Mechanism Cover.pdf
    Valve Mechanism.pdf
    Water Pump.pdf
    Water Temperature Regulator.pdf
 SENR9642 - Specifications (C12 Marine Engines).pdf
 SENR9643 - Systems Operation (C12 Marine Engine)
    Air Inlet and Exhaust System.pdf
    Basic Engine.pdf
    Cooling System.pdf
    Electrical System.pdf
    Electronic Control System Components.pdf
    Fuel System.pdf
    General Information.pdf
    Lubrication System.pdf
 SENR9643 - Systems Operation (C12 Marine Engine).pdf
 SENR9643 - Testing & Adjusting (C12 Marine Engine)
    Air in Fuel - Test.pdf
    Battery - Test.pdf
    Charging System - Test.pdf
    Compression - Test.pdf
    Connecting Rod Bearings - Inspect.pdf
    Cooling System - Check - Overheating.pdf
    Cooling System - Inspect.pdf
    Cooling System - Test.pdf
    Cylinder Block - Inspect.pdf
    Cylinder Liner Projection - Inspect.pdf
    Electric Starting System - Test.pdf
    Electronic Unit Injector - Adjust.pdf
    Electronic Unit Injector - Test.pdf
    Engine Crankcase Pressure (Blowby) - Test.pdf
    Engine Oil Pressure - Test.pdf
    Engine Oil Pump - Inspect.pdf
    Engine Valve Lash - Inspect_Adjust.pdf
    Excessive Bearing Wear - Inspect.pdf
    Excessive Engine Oil Consumption - Inspect.pdf
    Exhaust Temperature - Test.pdf
    Finding Top Center Position for No. 1 Piston .pdf
    Flywheel - Inspect.pdf
    Fuel Quality - Test.pdf
    Fuel System - Inspect.pdf
    Fuel System Pressure - Test.pdf
    Fuel System - Prime.pdf
    Gear Group (Front) - Time.pdf
    Increased Engine Oil Temperature - Inspect.pdf
    Inlet Manifold Pressure - Test.pdf
    Main Bearings - Inspect.pdf
    Pinion Clearance - Adjust.pdf
    Piston Ring Groove - Inspect.pdf
    Turbocharger - Inspect.pdf
    Vibration Damper - Check.pdf
    Water Pump - Test.pdf
    Water Temperature Regulator - Test.pdf
 SENR9643 - Testing & Adjusting (C12 Marine Engine).pdf
 SENR9644 - Disassembly and Assembly (C-12 Marine Engines)
    Accessory Drive - Assemble.pdf
    Accessory Drive - Disassemble.pdf
    Accessory Drive - Install.pdf
    Accessory Drive - Remove.pdf
    Aftercooler - Install.pdf
    Aftercooler - Remove.pdf
    Air Cleaner - Remove and Install.pdf
    Alternator - Remove and Install.pdf
    Atmospheric Pressure Sensor - Remove and Install.pdf
    Auxiliary Water Pump - Assemble.pdf
    Auxiliary Water Pump - Disassemble.pdf
    Auxiliary Water Pump - Install.pdf
    Auxiliary Water Pump - Remove.pdf
    Bearing Clearance - Check.pdf
    Camshaft Bearings - Install.pdf
    Camshaft Bearings - Remove.pdf
    Camshaft Gear - Remove and Install.pdf
    Camshaft - Install.pdf
    Camshaft - Remove.pdf
    Connecting Rod Bearings - Install.pdf
    Connecting Rod Bearings - Remove.pdf
    Coolant Level Sensor - Remove and Install.pdf
    Coolant Temperature Sensor - Remove and Install.pdf
    Crankshaft Front Seal - Install.pdf
    Crankshaft Front Seal - Remove.pdf
    Crankshaft Gear - Remove and Install.pdf
    Crankshaft - Install.pdf
    Crankshaft Main Bearings - Install.pdf
    Crankshaft Main Bearings - Remove.pdf
    Crankshaft Rear Seal - Install.pdf
    Crankshaft Rear Seal - Remove.pdf
    Crankshaft - Remove.pdf
    Cylinder Head - Install.pdf
    Cylinder Head - Remove.pdf
    Cylinder Liner - Install.pdf
    Cylinder Liner - Remove.pdf
    Electric Starting Motor - Remove and Install.pdf
    Electronic Control Module - Remove and Install.pdf
    Electronic Unit Injector - Install.pdf
    Electronic Unit Injector - Remove.pdf
    Electronic Unit Injector Sleeve - Install.pdf
    Electronic Unit Injector Sleeve - Remove.pdf
    Engine Oil Cooler - Install.pdf
    Engine Oil Cooler - Remove.pdf
    Engine Oil Filter Base - Assemble.pdf
    Engine Oil Filter Base - Disassemble.pdf
    Engine Oil Filter Base - Install.pdf
    Engine Oil Filter Base - Remove.pdf
    Engine Oil Pan - Remove and Install.pdf
    Engine Oil Pressure Sensor - Remove and Install.pdf
    Engine Oil Pump - Assemble.pdf
    Engine Oil Pump - Disassemble.pdf
    Engine Oil Pump - Install.pdf
    Engine Oil Pump - Remove.pdf
    Engine Support (Front) - Remove and Install.pdf
    Exhaust Manifold - Remove and Install.pdf
    Flywheel Housing - Remove and Install.pdf
    Flywheel - Install.pdf
    Flywheel - Remove.pdf
    Front Cover - Install.pdf
    Front Cover - Remove.pdf
    Fuel Filter Base - Install.pdf
    Fuel Filter Base - Remove.pdf
    Fuel Manifold - Install.pdf
    Fuel Manifold - Remove.pdf
    Fuel Priming Pump - Remove and Install.pdf
    Fuel Temperature Sensor - Remove and Install.pdf
    Gear Group (Front) - Install.pdf
    Gear Group (Front) - Remove.pdf
    Heat Exchanger - Install.pdf
    Heat Exchanger - Remove.pdf
    Housing (Front) - Install.pdf
    Housing (Front) - Remove.pdf
    Inlet Air Temperature Sensor - Remove and Install.pdf
    Inlet and Exhaust Valve Guides - Remove and Install.pdf
    Inlet and Exhaust Valve Seat Inserts - Remove and Install.pdf
    Inlet and Exhaust Valve Springs - Remove and Install.pdf
    Inlet and Exhaust Valves - Remove and Install.pdf
    Lifter Group - Remove and Install.pdf
    Manifold Adapter - Remove and Install - Right Hand Engine Application.pdf
    Piston Cooling Jets - Remove and Install.pdf
    Pistons and Connecting Rods - Assemble.pdf
    Pistons and Connecting Rods - Disassemble.pdf
    Pistons and Connecting Rods - Install.pdf
    Pistons and Connecting Rods - Remove.pdf
    Rocker Shaft and Pushrod - Install.pdf
    Rocker Shaft and Pushrod - Remove.pdf
    Rocker Shaft - Assemble.pdf
    Rocker Shaft - Disassemble.pdf
    Service Meter - Remove and Install.pdf
    Speed_Timing Sensor - Remove and Install.pdf
    Turbocharger - Install.pdf
    Turbocharger Outlet Pressure Sensor - Remove and Install.pdf
    Turbocharger - Remove.pdf
    Valve Mechanism Cover Base - Remove and Install.pdf
    Valve Mechanism Cover - Remove and Install.pdf
    V-Belts - Remove and Install.pdf
    Vibration Damper and Pulley - Remove and Install.pdf
    Water Outlet Manifold - Install.pdf
    Water Outlet Manifold - Remove.pdf
    Water Pump - Assemble.pdf
    Water Pump - Disassemble.pdf
    Water Pump - Install.pdf
    Water Pump - Remove.pdf
    Water Temperature Regulator - Remove and Install.pdf
 SENR9644 - Disassembly and Assembly (C-12 Marine Engines).pdf
 UENR3262 - Disassembly & Assembly - Seal Installation
    Duo-Cone Seals - Install.pdf
    Lip Type Seals - Install.pdf
    O-Ring Seals - Install - RADIAL, FITTING ASSEMBLY O-RINGS & OTHER O-RING APPLICATIONS.pdf
 UENR3262 - Disassembly & Assembly - Seal Installation.pdf

EXCERPT:
3. After cleaning the threads, remove any debris from the head bolt holes on the cylinder block with a vacuum hose.
4. Visually inspect the head bolt holes on the cylinder block for thread damage.
5. If a damaged head bolt thread is observed, repair the damaged head bolt thread with a Heli-Coil thread repair kit.
6. Inspect the cylinder head and the cylinder block for flatness. Refer to Guideline for Reusable Parts and Salvage Operations, SEBF8162, "Procedure to Measure and Salvage Cylinder Head
Assemblies and Related Components".
7. Install the new O-ring seals and the new cylinder head gasket on the cylinder block.
...

Caterpillar C12 Engines Factory Service & Shop Manual