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Lombardini 12LD 475-2 User Manual

Lombardini 12LD 475-2
50 pages
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12LD 435-2
12LD 435-2/B1
12LD 475-2
12LD 475-2 EPA
WORK SHOP MANUAL
12LD Series engines,
cod. 1-5302-460_3
rd
ed.

Table of Contents

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Lombardini 12LD 475-2 Specifications

General IconGeneral
Engine TypeDiesel
Number of Cylinders2
Fuel SystemIndirect injection
Compression Ratio22:1
Maximum Power RPM3000 rpm
Oil Capacity2.5 L
Max Torque30 Nm
Max Torque RPM2200 RPM
Lubrication SystemForced lubrication with gear pump
Starting SystemElectric Starter
Cooling SystemAir

Summary

General Remarks and Safety Information

Manual Notes and Warranty

Covers manual usage notes, warranty terms, and conditions.

Safety Guidelines and Terminology

Explains safety regulations, warning decals, and key glossary terms.

Technical Information and Specifications

Troubleshooting and Identification

Guide to diagnosing issues and identifying engine model details.

Engine Specifications and Performance

Detailed technical specs, diagrams, dimensions, and performance data.

Maintenance, Lubrication, and Fuel

Maintenance Schedule and Lubricant Guide

Details routine maintenance tasks, oil types, and specifications.

Fuel Recommendations and Specifications

Guidelines for fuel quality, low-temperature fuels, and additives.

Engine Disassembly and Reassembly

Disassembly and Reassembly Best Practices

General recommendations for safe and effective engine dismantling and reassembly.

Key Component Procedures

Procedures for flywheel, cylinder head, valves, and piston rings.

Crankshaft and Camshaft Timing

Details on crankshaft end play, main bearing supports, and camshaft timing.

Lubrication System

Lubrication System Overview and Components

Describes the lubrication and breather system, including oil pump and filters.

Oil Pressure Monitoring

Provides curves and guidelines for checking oil pressure at different speeds.

Fuel System

Fuel Feeding and Injection Circuit

Details the fuel circuit from the tank to the injectors.

Injection Pump and Injector Service

Covers injection pump settings, timing, and injector service.

Electric System

Alternator and Starting Motor

Information on alternators (12.5V/14A, 12V/18A) and starting motor.

Voltage Regulator Check

Procedure to test the voltage regulator's proper operation.

Engine Settings and Adjustments

Speed and Delivery Settings

Adjusting idling speed, full speed, and injection pump delivery.

Engine Storage and Preparation

Storage Protection Procedures

Guidelines for protecting the engine during storage and before restarting.

Torque Specifications and Sealant Use

Sealant Application and Torque Values

Specifies sealant types and tightening torques for main components and screws.

Special Tools

Maintenance Tool List

Lists specialized tools and their part numbers for engine maintenance.

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