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Lombardini 25LD425-2 User Manual

Lombardini 25LD425-2
44 pages
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1
COMPILER TECO/ATI ENDORSEDDATE
23.06.2003
REG. CODE
1-5302-607
MODEL N°
50889
DATE OF ISSUE
06-03
REVISION 00
25 LD 330/2
25 LD 425/2
1
st
Edition
WORK SHOP
MANUAL
25LD330-2, 425-2, series engines, p.no. 1-5302-607

Table of Contents

Questions and Answers:

Lombardini 25LD425-2 Specifications

General IconGeneral
Engine Model25LD425-2
CategoryDiesel Engine
Number of Cylinders2
Fuel SystemDirect injection
Engine TypeFour-stroke
Starting SystemElectric
Bore x Stroke85 mm x 84 mm

Summary

Trouble Shooting

Possible Causes and Troubleshooting Table

Lists potential engine failures and their corresponding causes and symptoms.

Safety and Warning Decals

Danger and Caution Symbol Explanations

Explains the meaning of hazard symbols used in the manual.

Safety Instructions for Operation

Essential guidelines for safe engine operation and maintenance.

Technical Data

Characteristics

Maintenance and Refilling

Recommended Oil Types and Grades

Specifies suitable oils and their ACEA/API classifications.

Disassembly of the Engine

General Disassembly and Reassembly Notes

Important notes and safety precautions for disassembly.

Checks and Overhaul

Piston Rings, Pistons, and Piston Pins

Checks for piston ring wear, piston diameter, and pin clearances.

Connecting Rod Checks

Procedures for checking connecting rod small end and big end clearances.

Crankshaft Inspection

Checking crankshaft condition, oil passages, and journal dimensions.

Injection Equipment

Fuel Circuit Components

Identifies components of the engine's fuel circuit.

Injection Pump Operation and Setting

Details checking, setting, and calibration of injection pumps.

Injector Details and Checks

Information on injector components, cleaning, and setting.

Electrical Equipment

Engine Assembly

Crankcase Preparation and Main Bearings

Steps for preparing the crankcase and fitting central main bearings.

Injection Pump Installation and Timing

Procedure for installing and timing the injection pumps.

Engine Testing

Quick Reference Charts

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