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Overview of engine specifications section.
Advisory labels and definitions for safety warnings.
Guidelines for safe service procedures and tool application.
Overview of the D13F engine, its features, and EPA compliance.
Information on identifying the D13F engine model and its plate.
Summary of maintenance intervals for highway and vocational use.
Summary of DOs and DON'Ts for engine service.
Location of engine serial number identification.
Detailed engine specs: weight, dimensions, performance ratings.
HP and torque ratings for D13F engine models.
Materials and features of engine components.
Specifications for tightening torques and bolt patterns.
Torque specifications for sensors and wiring harness.
Guidelines on reusing fasteners and their limits.
Recommendations for reusing gaskets and seals.
Recommended lubricants and sealants for engine components.
List of engine fault codes and their descriptions.
Conversion factors for various units (length, volume, weight, etc.).
Detailed dimensions of engine components (head, block, liner).
Specifications for piston rings, including quantity and clearance.
Details on valve lash, wear, and rocker arm clearances.
Specifications for rocker arm bearing and roller clearance.
Dimensions and specifications for valve guides.
Specifications for inlet and exhaust valve springs.
Specifications for drive gears, idler gears, and backlash.
Camshaft settings, bearing journal diameters, and wear values.
Camshaft bearing thickness and oversize options.
Specifications for main bearing journals including diameter and surface finish.
Dimensions for thrust washers (axial bearing).
Specifications for main bearings including thickness and wear.
Specifications for connecting rod journals including diameter and surface finish.
Specifications for connecting rod bearings including thickness and oversize.
Wear values and marking for connecting rods.
Runout specifications for the mounted flywheel.
Runout specifications for the mounted flywheel housing.
Wear and machining values for the crankshaft.
Key features of cylinder head: material, design.
Camshaft and valve train components: rocker arms, cams.
Description of cylinder block material, rigidity, and lubrication channels.
Procedure for aligning the cylinder head to the block.
Description of the cylinder head gasket and its installation procedure.
Details on cylinder liner seals and coolant circulation.
Description of oil pan material, drain plug, and sensors.
Crankshaft material, journals, bearings, and seals.
Piston and connecting rod construction, rings, and assembly.
Location and advantages of the timing gear configuration.
Description of drive belts and their routing for engine accessories.
Overview of lubrication system: oil pump, filters.
Description of the oil pump and its pickup tube.
Details on oil filters, valves, and flow control.
Description of the crankcase ventilation (CCV) system.
Diagram and overview of fuel system components.
Description of fuel filters and their function.
Details on unit injectors, their operation, and temperature control.
Operation and components of the Volvo Engine Brake system.
Function of the EGR system for reducing NOx emissions.
Description and function of the EGR valve.
How the EGR valve operates under different conditions.
Function of the EGR cooler.
Function of the EGR mixer.
Function of the optional inlet air heater.
How the EECU diagnoses EGR system issues.
Components and function of the air intake system.
Description of the variable geometry turbocharger.
Overview of the cooling system components.
Description of the coolant pump and its housing.
Description of the thermostat and its mounting.
Operation of the engine cooling fan and its control.
Overview of the engine management system.
Location and function of the EECU.
Overview of the Exhaust Aftertreatment System (EATS).
Function of EGR in reducing NOx emissions.
Definition of Particulate Matter (PM) and catalysts.
Description of catalytic filters and their role in PM transformation.
Function of the Diesel Oxidation Catalyst (DOC).
Function of the Diesel Particulate Filter (DPF).
Explanation of filter regeneration process.
Description of passive regeneration for filters.
Explanation of active regeneration for filters.
Procedure for manual regeneration of filters.
Function of the Discharge Recirculation Valve (DRV).
Requirement for using ultra low sulfur diesel fuel.
Description of the different operational modes of the EATS.
Mounting options for the DPF system.
Locator for engine component part numbers.
Disassembled views of engine components with part numbers.
Information on engine replacement kits.
General maintenance procedures for the engine.
Procedure for checking engine oil level.
Procedure for changing engine oil and filters.
Inspection and maintenance of the CCV system.
General information on fuel filter replacement.
Description of fuel filters and their function.
Procedure to replace the water separating pre-filter.
Procedure to replace the full-flow main filter.
Note regarding special tool for cooling system maintenance.
Description of coolant drain outlets for maintenance.
Description of the coolant filter.
Steps for removing and replacing the coolant filter.
Maintenance of the exhaust aftertreatment system.
Importance of replacing the DPF at recommended intervals.
Removal procedure for the compact unit DPF.
Removal procedure for the vertical back-of-cab unit DPF.
Procedure for replacing the Aftertreatment Fuel Injector (AFI).
General information about drive belt replacement and tensioning.
Information on multi-groove belts and drive systems.
Details on the automatically tensioned belt system.
General info on valve and unit injector adjustments.
Camshaft timing marks for valve and injector adjustments.
Procedure for adjusting inlet valves.
Procedure for adjusting unit injectors.
Procedure for exhaust valve adjustment without VEB.
Procedure for exhaust valve adjustment with VEB.
Procedure for checking engine operation post-adjustment.
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