Lombardini LDA 422 User Manual

86 pages

To Next Page

To Next Page

Page #1 background image

Loading...

Page #1 background image

1

LDA 422

REG. CODE

1-5302-596

MODEL N°

50881

DATE OF ISSUE

15-05-2003

REVISION 00

DATE

15-05-2003

ENDORSED

COMPILER TECO/ATI

WORKSHOP

MANUAL

LDA 422 engines, code 1-5302-596

1st Edition

Table of Contents

Questions and Answers:

A
Angela DanielAug 15, 2025
Why is my Lombardini LDA 422 not starting?
- B
  bensonjessicaAug 15, 2025
  Several issues can prevent your Lombardini Engine from starting: * A faulty fuel pump may be the culprit; in this case, check and replace it if needed. * Air inside the injection system can also cause starting problems; purge it by operating the fuel pump lever. * Other potential causes include a faulty glow plug (replace it), a faulty starting motor or remote control switch (detect the problem and overhaul or replace if necessary), a faulty or dirty injector (check and replace if needed), a faulty injection pump (check and replace if necessary), or a faulty engine stop solenoid valve (check and replace if necessary).
E
Elizabeth HawkinsAug 18, 2025
What to do if my Lombardini LDA 422 has low power?
- C
  Christy PalmerAug 18, 2025
  If your Lombardini Engine is experiencing low power, consider the following: * A clogged air filter could be the cause; clean it and replace it if necessary. * Other potential causes include a clogged diesel fuel filter, delayed injection, inadequate diesel fuel delivery, or faulty delivery or advance regulators.
S
Sandra PayneAug 21, 2025
What to do if my Lombardini LDA 422 Engine stops?
- B
  Brittany McintoshAug 22, 2025
  If your Lombardini Engine unexpectedly stops, it might be due to: * Low idling speed; adjust the appropriate register to correct this. * Impurities inside the diesel fuel tank; empty and clean the tank, then replace the diesel fuel and filter. * A blocked air filter; clean the air filter and replace it if necessary. * A faulty engine stop solenoid valve; check and replace it if necessary.
H
Harold CarlsonAug 25, 2025
Why is my Lombardini LDA 422 Engine overheating?
- K
  kimberlydayAug 25, 2025
  If your Lombardini Engine is overheating, check for these potential causes: * Dirt inside the head and cylinder cooling system fins; remove the covers and clean adequately. * Inadequate engine oil level; restore the level to the correct amount.
M
Mr. Ivan FarmerAug 27, 2025
Why Lombardini Engine produces black exhaust smoke?
- J
  joneschaseAug 27, 2025
  Black exhaust smoke from your Lombardini Engine can be attributed to: * A clogged air filter; replace it. * Incorrect injection pump delivery; check and restore it. * A faulty injector; clean and replace it if necessary.
J
John JohnsAug 30, 2025
Why Lombardini LDA 422 Engine produces white exhaust smoke?
- K
  kproctorAug 30, 2025
  White exhaust smoke from your Lombardini Engine may be due to: * A cold engine; heat the engine for a few minutes at low speed. * A faulty injector; check and replace it if necessary. * High oil level; restore the level.
J
Jennifer NewmanSep 2, 2025
What causes low oil pressure in Lombardini LDA 422 Engine?
- K
  kenneth22Sep 2, 2025
  Low oil pressure in your Lombardini Engine can result from: * Insufficient oil level; restore the level. * A worn oil pump; overhaul it. * Worn or damaged crankshaft or small end bearings; overhaul them.
P
pereznicholeSep 5, 2025
What causes vibrations transmitted from Lombardini LDA 422 to frame?
- X
  xobrienSep 6, 2025
  Vibrations transmitted from the Lombardini Engine to the frame may be because the silent-blocks anchoring the engine to the frame are not locked correctly or are damaged; lock or replace them.
J
jgregorySep 8, 2025
What causes slipping in Lombardini LDA 422 Engine clutch?
- B
  Brett RothSep 8, 2025
  Slipping in your Lombardini Engine clutch can be caused by: * Insufficient idle stroke; adjust the stroke. * A weak return spring; replace it. * A worn or burnt driven disk gasket; replace the disk.
J
Justin FoxSep 12, 2025
What causes spontaneous gear disengagement in Lombardini Engine?
- M
  Margaret StewartSep 12, 2025
  Spontaneous gear disengagement in your Lombardini Engine speed gear can occur due to: * A worn or damaged gearbox; check and replace if necessary. * An incorrectly adjusted control rod; adjust it. * Wrongly assembled or worn gearbox or coupling spider gears; overhaul them.

Lombardini LDA 422 Specifications

General

Brand	Lombardini
Model	LDA 422
Category	Engine
Language	English

Summary

Foreword

General Service Notes

Safety and Warning Decals

Safety Instructions

Essential safety guidelines for engine operation and maintenance.

Trouble Shooting

Possible Causes and Trouble Shooting

Table listing common faults, their causes, and remedies.

Maintenance and Refilling

LDA 422 Engine Maintenance Schedule

Schedule for engine maintenance operations and intervals.

Model Number and Identification

Technical Data

LDA 422 Engine Main Specifications

Key technical specifications for the LDA 422 engine.

Feed Induction Diagram

Components List

List of components shown in the feed induction diagram.

Lubrication System

LDA 422 Oil Circuit Diagram

Diagram illustrating the engine's oil circulation system.

Timing Diagram

Timing Diagram Details

Details regarding engine valve timing events.

Engine-Differential Unit

Cooling System Description

Explanation of the engine's air cooling mechanism.

Disassembly and Reassembly

Cooling Fan Flywheel

Procedures for removing the cooling fan flywheel.

Assembly and Disassembly of Timing Belt and Oil Dipstick

Steps for timing belt and oil dipstick assembly/disassembly.

Injection Pump

Procedures for removing and disassembling the injection pump.

Cylinder Head

Steps for removing the cylinder head.

Clutch

Procedures for clutch disassembly.

Governor Working Description

Explanation of governor operation modes.

Main Features of Electrical Starter

Key specifications of the electrical starter.

Min. and Max. RPM Regulation

Procedures for setting min and max engine RPM.

Tools

Main Torque Specifications

Setting Up with Belt Driven Alternator

Specific setup instructions for belt-driven alternators.

Note

Related product manuals

Lombardini LDW 422 SERIES

Lombardini LDA672

Lombardini LDW 903

Preview: Lombardini LDW 502

Lombardini LDW 502

Preview: Lombardini LDW 702

Lombardini LDW 702

Preview: Lombardini LDW 602

Lombardini LDW 602

Preview: Lombardini LDW 1003

Lombardini LDW 1003

Lombardini LDW 2204

Lombardini LDW 1204

Preview: Lombardini LDW 1404

Lombardini LDW 1404

Preview: Lombardini 4 LD 640

Lombardini 4 LD 640

Preview: Lombardini 15 LD 225

Lombardini 15 LD 225