Related Manuals for Lombardini 12LD 475-2
Summarization of Contents
General Remarks and Safety Information
Warranty Certificate
Details the warranty terms and conditions for Lombardini engines.
General Service Manual Notes
Provides essential guidelines for using genuine parts and metric units.
Glossary and Terminology
Defines key terms used throughout the workshop manual for clarity.
Safety and Warning Decals
Explains symbols used for danger, caution, and important information.
Safety Regulations
Outlines critical safety rules for engine operation and maintenance.
Technical Information
Trouble Shooting
Lists common engine anomalies and their potential causes and symptoms.
Manufacturer and Motor Identification Data
Explains how to identify engine model, serial number, and approval data.
Technical Specifications
Lists key technical data like bore, stroke, displacement, power, and torque.
Fuel Supply Circuit
Details specifications for the engine's fuel supply system components.
Lubrication Circuit
Outlines specifications for the engine's lubrication system components.
Electrical System
Presents specifications for the engine's electrical components.
Performance Diagrams
Presents graphical data for engine power, torque, and fuel consumption.
Overall Dimensions
Provides detailed dimensional drawings of the engine for installation and fitment.
Maintenance - Recommended Oil Type - Refilling
Routine Engine Maintenance
Outlines regular checks and tasks for engine upkeep based on operating hours.
Extraordinary Maintenance
Specifies maintenance tasks performed at specific intervals or conditions.
Ordinary Maintenance
Details scheduled maintenance operations and their frequencies.
Lubricant
Explains SAE classification and international lubricant specifications.
Prescribed Lubricant
Recommends specific lubricants and oil capacities for the engine models.
Fuel Specifications
Defines fuel quality requirements, low-temperature fuels, and aviation fuel usage.
Disassembly / Reassembly
Recommendations for Disassembling and Assembling
Provides crucial advice and precautions before starting disassembly.
Recommendations for Overhauls and Tuning
Offers essential guidelines for engine overhaul and tuning procedures.
Oil-bath Air Cleaner
Details the components and maintenance of the oil-bath air cleaner.
Dry Air Cleaner
Describes the components and replacement of the dry air cleaner cartridge.
Flywheel
Covers the procedure for removing and refitting the flywheel.
Alternator
Explains the removal and refitting of the alternator stator and rotor.
Valve / Rocker arm clearance
Details how to set the clearance between valves and rocker arms.
Compression Release
Describes the procedure for checking and adjusting the compression release mechanism.
Rocker arm assembly
Lists components and dimensions for the rocker arm assembly.
Injector projection
Explains how to measure and adjust the injector nozzle projection.
Cylinder Head
Provides instructions for removing and refitting the cylinder head.
Valves
Details the components and removal of valves from the cylinder head.
Valve guides and housings
Lists dimensions and procedures for valve guides and their housings.
Valve seats and housings
Provides dimensions for valve seats and instructions for their preparation.
Valve seat grinding
Describes the process of grinding valve seats for proper sealing.
Cylinder
Explains how to measure cylinder diameter and check for wear.
Cylinder roughness
Outlines methods for checking cylinder surface finish and integrity.
Piston
Details procedures for measuring piston diameter and checking for wear.
Piston weight
Explains the importance of weighing pistons for balance.
Piston rings
Covers piston ring end gaps, clearance, and fitting sequence.
Piston - Refitting
Details the correct method for refitting pistons into the cylinder.
Piston clearance
Explains how to measure and set piston-to-cylinder clearance.
Connecting rod
Explains small end bushing clearance and big end bearing refitting.
Connecting rod weight
Emphasizes weighing connecting rods for balance.
Crankshaft timing gear
Describes the removal of the crankshaft timing gear using specific tools.
Main bearing support
Details procedures for removing and refitting main bearing supports.
Crankshaft
Details procedures for crankshaft bearing supports, end play, and lubrication ducts.
Camshaft timing
Describes how to align camshaft and crankshaft timing marks.
Hydraulic pump p.t.o. (1P)
Details the components and torque for the hydraulic pump.
Mechanical speed governor
Explains the function and operation of the mechanical speed governor.
Lubrication System
Lubrication System and Breather Recirculation System
Overviews the lubrication and breather systems and provides safety warnings.
Oil Pump
Details the oil pump components, checks, and delivery rate.
Oil Filter Cartridge
Describes internal and external oil filter components, features, and pressures.
Oil Pressure Curves
Presents graphical data for oil pressure at idling and full speed versus temperature.
Fuel System
Fuel Feeding/Injection Circuit
Illustrates the components and connections of the fuel feeding and injection system.
Fuel Filter
Details the components and characteristics of internal and external fuel filters.
Fuel Feeding Pump
Describes the fuel feeding pump's operation, components, and delivery characteristics.
Injection Pump
Lists injection pump components and provides test data for delivery.
Injector Setting
Explains how to set injector opening pressure and check needle valve sealing.
Electric System
Electrical Starting Layout
Illustrates the wiring diagram for the engine's starting system with battery charging light.
Alternator
Details alternator dimensions and notes on clearance for different models.
Alternator Battery Charger Curves
Provides characteristic curves showing alternator output at various speeds.
Voltage Regulator
Lists voltage regulator types, connections, and compatibility.
Starting Motor
Specifies dimensions and characteristics for the starting motor.
Settings
Idling Speed Setting
Step-by-step guide to adjusting the engine's idling speed.
Full Speed Setting
Instructions for setting the engine's full speed under no-load conditions.
Injection Pump Delivery Setting
Procedure for adjusting the injection pump's fuel delivery rate.
Injection Pump Delivery Limiting
Explains the function of the delivery limiting and extra fuel device.
Stop Setting
Details the procedure for setting the engine's stop function.
Storage
Internal Engine Protection
Outlines steps for protecting the engine internally during long-term storage.
Injection Systems Protection
Describes procedures to protect the fuel injection system during storage.
External Engine Protection
Details methods for protecting the engine's exterior surfaces during storage.
Procedures Before Start Engine
Lists essential steps to perform before starting an engine after storage.
Torque Specifications and Use of Sealant
Table of Tightening Torques
Provides torque values for main engine components and standard screws.
Use of Sealant
Lists specific sealants recommended for various engine parts.
Special Tools
Special Tools and Equipment for Maintenance
Lists specialized tools required for engine maintenance and their part numbers.
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