Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
Lombardini Manuals
Engine
5LD825-3
Workshop manual
Lombardini 5LD825-3 Workshop Manual
Hide thumbs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
Table Of Contents
63
page
of
63
Go
/
63
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Index
Contents
Model Number and Engine Identification
Characteristics
Characteristic Power, Torque and Specific Consumption Curves
Maintenance
Recommended Oil Type
Capacities
Trouble Shooting
Possible Causes and Trobule Shooting
Overall Dimensions
Main Torque Specifications
Standard Bolt Torque Specifications
Use of Sealants
Disassembly and Reassembly
Oil-Bath Air Cleaner (Standard)
Oil-Bath Air Cleaner Components
Dry Air Cleaner
Exhaust Manifold
Intake Manifold
Fan Control Belt
Belt Tension Adjustment
Blower Assembly
Blower Assembly Components with 14A Alternator
Blower Assembly Components with 21A Alternator
Oil Cooler
Tank
Flywheel
Valve/Rocker Arm Clearance
Rocker Arm Assembly
Injector
Valves
Valve Spring
Valve Material
Valve Guides and Valve Guide Housings
Valve Guide Insertion
Dimensions and Clearance between Guides and Valves
Valve Seats and Housings
Valve Seat Grinding
Injector Projection
Pushrod Tube Spring
Head Tightening
Cylinder
Piston
Cylinder Roughness
Piston Availability
Checking that Piston Is an Original Part
Piston Weight
Piston Rings - End Gaps
Piston Rings - Clearance between Grooves
Piston Rings - Fitting Sequence
Piston - Refitting
Piston Clearance
Connecting Rod
Connecting Rod, Small End Bearing Pin
Connecting Rod Alignment
Connecting Rod Weight
Connecting Rod Big End Bearing
Crankshaft Pulley
Timing Cover
Camshaft Gear
Idler Gear and Support
Oil Pump Gear
Speed Governor Lubricating Tube
Timing Gear for 5LD825-2
Timing Gear for 5LD825-3, 5LD825-3/T, 5LD930-3, 5LD825-4 and 5LD930-4
Main Bearing Support, Flywheel Side
Crankshaft
Crankshaft Removal
Crankshaft Center Main Bearing Supports
Thrust Ring
Oil Sprayer
Crankshaft End Play
Crankshaft Lubrication Ducts
Crankshaft Journal Radius
Main Bearing Supports
Main Bearing Housings
Camshaft Removal
Camshaft Bearing and Journal Inside Diameter
Dimensions of Camshaft
Intake/Exhaust Cam Height
Camshaft Plugs
Camshaft Timing
Valve Timing Without Considering Timing Marks
Valve Timing Check
Hydraulic Pump P.t.o.
Hydraulic Pump 3Rd P.t.o.
Speed Governor
Ball-Type Speed Governor
Weight-Type Speed Governor for Generating Seats
Speed Governor Operation
Spring for Extra Fuel Supply at Starting
Speed Governor Spring Hook-Up
Speed Governor Springs with Rocker Yoke
Speed Governor Timing with Injection Pump
Turbocharger
Turbocharger Components
Lubrication System
Lubrication System Layout
Oil Pump
Oil Pressure Relief Valve
Oil Filter
Oil Pressure Check
Oil Pressure Curve at Idling Speed
Oil Pressure Curve at Full Speed
Fuel System
Fuel Feeding/Injection System
Fuel Filter
Fuel Feeding Pump
Fuel Feeding Pump Drive Rod Protrusion
Injection Pump
Injection Pump Components
Barrel and Plunger for 5LD825-2
Barrel and Plunger for 5LD825-3
Barrel and Plunger for 5LD930-3, 5LD825-3/T
Injection Pump Delivery Valve
Checking Barrel and Plunger for Internal Leakage
Checking Injection Pump Delivery Valve Sealing
Injection Pump Delivery Testing for 5LD825-2 - Pump Type
Test Data
Injection Pump Reassembly to the Engine - Pump Type Bosch PES
Static Injection Timing
Injection Timing Correction with Injection Pump Type
Static Injection Timing Correction
Static Injection Reference Marks on Crankcase and Flywheel
Injection Timing Reference Marks on the Pulley and the Gear Cover
Nozzle
Injection Setting
Electric System
Electrical Starting Layout Without Battery Charging Light
Electrical Starting Layout with Battery Charging Light
Alternator Battery Charging Curve
12 V, 21 a Alternator
Alternator Battery Changer Curve
Checking for Cable Continuity
Voltage Regulator
Checking Voltage Regulator for Proper Operation
Alternator Type Bosch G1, 14 V, 33 a
Bosch G1 Alternator Battery Charger Curve
Starting Motor
Characteristic Curves for Starting Motor Type
Key Switch
Settings
Idling Speed Setting in No-Load Conditions
Full Speed Setting in No-Load Conditions
Injection Pump Delivery Setting
Injection Pump Delivery Setting with Engine on the Torque Dynamometer
Required Settings
Stop Setting
Storage
Temporary Protection
Permanent Protection
How to Prepare the Engine for Operation
Special Equipment
Advertisement
Quick Links
1
Model Number and Engine Identification
2
Characteristics
3
Characteristic Power, Torque and Specific Consumption Curves
Download this manual
See also:
Use and Maintenance
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Table of Contents
Need help?
Do you have a question about the 5LD825-3 and is the answer not in the manual?
Ask a question
Questions and answers
Related Manuals for Lombardini 5LD825-3
Engine Lombardini 5LD825-2 Workshop Manual
(63 pages)
Engine Lombardini 832 Use & Maintenance
(54 pages)
Engine Lombardini 12 LD 477/2 Workshop Manual
(48 pages)
Engine Lombardini CHD series Workshop Manual
(90 pages)
Engine Lombardini LDW 502 Workshop Manual
(88 pages)
Engine Lombardini IM Series Workshop Manual
(37 pages)
Engine Lombardini 9 LD 561-2 Use And Maintenance
(110 pages)
Engine Lombardini 4 LD 640 Workshop Manual
(13 pages)
Engine Lombardini LDW 442 CRS Use And Maintenance
(146 pages)
Engine Lombardini LDW 502 Workshop Manual
Focs engine series (106 pages)
Engine Lombardini 3LD 450 Workshop Manual
(34 pages)
Engine Lombardini LDW 602 Use & Maintenance
(96 pages)
Engine Lombardini LDW502 Service Manual
(98 pages)
Engine Lombardini LDW 194 JMtI Installation - Use - Maintenance
(96 pages)
Engine Lombardini 15 LD 225 Workshop Manual
15ld series (74 pages)
Engine Lombardini 3LD450 Workshop Manual
Engine series 3 - 4 ld (48 pages)
Summarization of Contents
Introduction to the Workshop Manual
Model Number and Engine Identification
Engine Characteristics Overview
Characteristic Power, Torque, and Specific Consumption Curves
Presents power, torque, and fuel consumption curves for different engine models.
Maintenance, Oil Type, and Refilling Guide
Recommended Oil Type and Grades
Lists recommended oil types, grades, and viscosity for engine maintenance.
Engine Capacities
Details fuel tank and oil sump capacities for various engine models.
Maintenance Operations and Intervals
Outlines periodic maintenance operations and their recommended intervals.
Trouble Shooting Guide
Overall Engine Dimensions
Torque Specifications
Standard Bolt Torque Specifications
Provides torque values for standard bolts based on size and material grade.
Use of Sealants
Disassembly and Reassembly Procedures
Oil-Bath Air Cleaner Servicing
Instructions for checking and cleaning the oil-bath air cleaner.
Dry Air Cleaner for Specific Models
Details components and usage of the dry air cleaner for specific models.
Exhaust Manifold Inspection and Refitting
Procedures for inspecting and refitting the exhaust manifold.
Intake Manifold Checks
Instructions for checking and refitting the intake manifold.
Fan Control Belt Maintenance
Guidance on removing, checking, and adjusting the fan belt.
Belt Tension Adjustment Method
Method for adjusting belt tension using spacers or an adjustment bolt.
Blower Assembly Details
Describes the blower assembly and its components for different alternator types.
Oil Cooler Cleaning
Cleaning instructions for the oil cooler.
Fuel Tank Checks
Steps for disconnecting, emptying, and checking the fuel tank.
Flywheel Removal and Refitting
Procedure for removing and refitting the flywheel, including heat application.
Valve and Rocker Arm Clearance Setting
How to set valve and rocker arm clearance when the engine is cold.
Rocker Arm Assembly Dimensions
Provides dimensions for the rocker arm assembly.
Injector Checks and Refitting
Instructions for checking and refitting injectors, including tightening nuts.
Valve Component Details
Details components of the valve assembly and removal method.
Valve Spring Measurement
Instructions for measuring valve spring length under different loads.
Valve Material Specifications
Specifies materials used for intake and exhaust valves.
Valve Guides and Housings Dimensions
Provides dimensions for valve guides and their housings.
Valve Guide Insertion Procedure
Procedure for inserting valve guides into the cylinder head.
Clearance Between Valve Guides and Valves
Specifies dimensions and clearance limits for valve guides and valves.
Valve Seats and Housings Dimensions
Provides dimensions for valve seats and their bores.
Valve Seat Grinding and Lapping
Guidance on lapping valve seats and checking valve recess depth.
Injector Projection Adjustment
How to set injector nozzle projection using copper shims.
Pushrod Tube Spring Installation
Instructions for installing the pushrod tube spring with tool B.
Cylinder Head Tightening Sequence
Procedure for progressively tightening cylinder heads to 90 Nm.
Cylinder Bore Measurement and Wear Check
How to measure cylinder bore diameter and check for wear.
Cylinder Roughness Requirements
Specifies requirements for cylinder wall inclination and roughness.
Piston and Cylinder Dimensions
Details piston and cylinder dimensions and availability.
Checking for Original Piston Part
How to verify if a piston is an original spare part.
Piston Weight for Balance
Importance of weighing pistons to avoid unbalance during replacement.
Piston Rings End Gap Measurement
How to measure the end gaps of piston rings.
Piston Rings Fitting Sequence
Correct order for installing piston rings onto the piston.
Piston Refitting Procedure
Procedure for connecting the piston to the connecting rod.
Piston Clearance and Head Gasket
How head gasket thickness affects piston clearance.
Head Gasket Thickness Selection
How to select head gasket thickness based on piston clearance.
Connecting Rod Checks
Steps for removing connecting rods and performing checks.
Connecting Rod Alignment Check
Checking and correcting axial alignment of the connecting rod.
Connecting Rod Weight Balancing
Importance of weighing connecting rods for balance.
Connecting Rod Big End Bearing Installation
Proper fitting and tightening of connecting rod big end bearings.
Crankshaft Pulley Removal and Refitting
Procedure for removing and refitting the crankshaft pulley.
Timing Cover Removal and Refitting
Steps for removing and refitting the timing cover, checking oil seal.
Camshaft Gear Nut Tightening
How to loosen and tighten the camshaft gear nut.
Idler Gear and Support Servicing
Dimensions, clearance, and refitting of the idler gear.
Oil Pump Gear Removal and Refitting
Procedure for removing and refitting the oil pump gear.
Speed Governor Lubricating Tube
Description of the lubricating tube for the speed governor.
Timing Gear Removal for 5LD825-2
Instructions for removing and refitting the timing gear for 5LD825-2.
Timing Gear Removal for Other Models
Instructions for removing and refitting timing gears for other models.
Main Bearing Support, Flywheel Side
Details components of the main bearing support on the flywheel side.
Crankshaft Removal Procedure
Procedure for removing the crankshaft using a hammer.
Crankshaft Center Main Bearing Supports
How to fit and tighten crankshaft center main bearing supports.
Thrust Ring Installation and Check
Instructions for fitting thrust half-rings and checking wear.
Oil Sprayer Description
Description of the oil jet for lubricating pistons.
Crankshaft End Play Check
How to check crankshaft end play after refitting.
Crankshaft Lubrication Ducts Cleaning
Instructions for cleaning and checking crankshaft lubrication ducts.
Crankshaft Journal Radius Specifications
Specifies the radius values for crankshaft journals and crank pins.
Main Bearing and Connecting Rod Bearing Dimensions
Details dimensions for main journals, crankpins, and clearances.
Main Bearing Supports Dimensions
Provides dimensions for the main bearing supports.
Main Bearing Housings Dimensions
Provides dimensions for the main bearing housings.
Camshaft Removal Technique
How to tilt the engine for camshaft removal.
Camshaft Bearing and Journal Diameter
Dimensions for camshaft bearings, journals, and their clearances.
Camshaft Journals and Bores Dimensions
Specifies dimensions and clearances for camshaft journals/bores.
Intake/Exhaust Cam Height Measurement
How to measure intake/exhaust cam height using a micrometer.
Camshaft Plugs Servicing
Instructions for removing and refitting lubrication duct plugs.
Camshaft End Play Check
Procedure for checking camshaft end play.
Camshaft Timing Alignment
How to align timing marks for idler gear, crankshaft, and camshaft gear.
Valve Timing Without Marks
Method to set valve timing by piston position and tappet height.
Valve Timing Check Procedure
How to check valve timing using crankshaft rotation and measurements.
Hydraulic Pump PTO Installation
Information on installing Bosch hydraulic pumps on the gear side.
Hydraulic Pump 3rd PTO Group 2 Components
Lists components of the hydraulic pump 3rd p.t.o., group 2.
Speed Governor Identification
Identifies engine types fitted with ball-type or weight-type speed governors.
Ball-Type Speed Governor Components
Lists components of the standard ball-type speed governor.
Weight-Type Speed Governor Components
Lists components of the weight-type speed governor.
Speed Governor Operation Explanation
Explains how the speed governor maintains engine speed.
Starting Fuel Supply Spring
Description of the starting assistance device for fuel delivery.
Speed Governor Spring Hook-up Guide
How to hook the speed governor spring based on engine RPM.
Speed Governor Springs with Rocker Yoke
Details the system of springs and rocker yoke for idle speed control.
Tool for Speed Governor Adjustment
Lists available tools for adjusting speed governor to injection pump.
Speed Governor Timing with Injection Pump
Procedure for timing the speed governor with the injection pump.
Turbocharger Maintenance Notes
Maintenance notes and components of the turbocharger.
Lubrication System Details
Oil Pump Checks
Checks for gear teeth, clearances, and control shaft end float.
Oil Pressure Relief Valve Components
Lists components of the oil pressure relief valve.
Oil Filter Characteristics and Cleaning
Describes oil filter characteristics and cleaning.
Oil Pressure Check Procedure
How to connect a gauge and check oil pressure as a function of temperature.
Oil Pressure Curve at Idling Speed
Graph showing oil pressure vs. temperature at idling speed.
Oil Pressure Curve at Full Speed
Graph showing oil pressure vs. temperature at full speed.
Fuel System Components and Procedures
Fuel Feeding/Injection System (5LD825-3 Models)
Diagram and components of the fuel system for specific models.
Fuel Feeding/Injection System (5LD825-4 Models)
Diagram and components of the fuel system for other models.
Fuel Filter Specifications
Details fuel filter characteristics and maximum working pressure.
Fuel Feeding Pump Operation
Describes the diaphragm type fuel feeding pump operation.
Fuel Feeding Pump Drive Rod Protrusion Adjustment
How to adjust drive rod protrusion using gaskets.
Injection Pump Components Listing
Lists and illustrates the components of the injection pump.
Injection Pump Reassembly Steps
Steps for reassembling the injection pump.
Barrel and Plunger Dimensions (5LD825-2)
Dimensions for the barrel and plunger specific to 5LD825-2.
Barrel and Plunger Dimensions (5LD825-3)
Dimensions for the barrel and plunger specific to 5LD825-3.
Barrel and Plunger Dimensions (Other Models)
Dimensions for barrel and plunger for other models.
Injection Pump Delivery Valve Dimensions
Dimensions and displaced volume of the delivery valve.
Checking Barrel and Plunger for Leakage
Procedure for checking for internal leakage in barrel and plunger.
Checking Injection Pump Delivery Valve Sealing
How to check the sealing of the injection pump delivery valve.
Injection Pump Delivery Testing (5LD825-2)
Test data for injection pump delivery testing.
Injection Pump Delivery Testing (5LD825-3)
Test data for injection pump delivery testing for 5LD825-3.
Injection Pump Delivery Testing (Other Models)
Test data for injection pump delivery testing for other models.
Injection Pump for 5LD825-4 and 5LD930-4
Details the injection pump for 5LD825-4 and 5LD930-4 models.
Injection Pump Reassembly Preparation (Bosch PES)
Steps for preparing the Bosch PES type injection pump for refitting.
Injection Pump Reassembly to Engine (Bosch PES)
Procedure for refitting the Bosch PES type injection pump to the engine.
Static Injection Timing Procedure
How to set static injection timing using a testing device.
Injection Timing Corrections (Bosch PES)
How to correct injection timing by rotating the flange or pump.
Static Injection Timing Correction (5LD825-2 Models)
How to correct static injection timing by adding/removing shims.
Static Injection Timing Reference Marks
Identifies reference marks on crankcase and flywheel for timing.
Injection Timing Marks on Pulley and Gear Cover
Identifies reference marks on pulley and gear cover for timing.
Injector Components Overview
Lists components of the injector.
Injector Nozzle Features
Features of the nozzle, including hole size, spray angle, and cleaning.
Injector Setting Procedure
How to check and adjust injector setting pressure.
Electric System Components and Checks
Electrical Starting Layout (No Charging Light)
Diagram and components of the starting system without a charging light.
Electrical Starting Layout (With Charging Light)
Diagram and components of the starting system with a charging light.
12.5 V, 14 A Alternator Details
Features and dimensions of the 12.5V, 14A alternator.
Alternator Charging Curve (12.5 V, 14 A)
Graph showing charging curve for 12.5V, 14A alternator.
12 V, 21 A Alternator Details
Features and dimensions of the 12V, 21A alternator.
Alternator Charging Curve (12 V, 21 A)
Graph showing charging curve for 12V, 21A alternator.
Checking Cable Continuity
How to check stator winding continuity and insulation.
Voltage Regulator Information
Information on voltage regulator types and tab sizes.
Checking Voltage Regulator Operation
Procedure to check voltage regulator operation using voltmeter and ammeter.
Bosch G1 Alternator (14 V, 33 A)
Description of the optional Bosch G1 alternator.
Bosch G1 Alternator Layout
Diagram and components of the Bosch G1 alternator.
Bosch G1 Alternator Charging Curve
Graph showing charging curve for the 14V, 33A alternator.
Bosch JF (R) 12 V, Class 2.5 Starter Motor
Details of the Bosch JF (R) 12V starter, class 2.5.
Bosch JF (R) 12 V Starter Performance Curves
Performance curves for the Bosch JF (R) 12V starter motor.
Bosch JF 12 V, Class 3 Starter Motor
Details of the Bosch JF 12V starter, class 3.
Bosch JF Class 3 Starter Performance Curves
Performance curves for the Bosch JF class 3 starter motor.
Key Switch Functionality
Identifies the functions of the key switch positions.
Engine Settings and Adjustments
Idling Speed Setting (No-Load)
How to set the engine idling speed in no-load conditions.
Full Speed Setting (No-Load)
How to set the engine's full speed in no-load conditions.
Injection Pump Delivery Setting
Procedure for setting injection pump delivery on a dynamometer.
Standard Idling and Full Speed Setting
How to set idling and full speed for specific engine models.
Engine Stop Setting Procedure
Procedure for setting the engine to stop using screws and lever.
Engine Storage Procedures
Temporary Engine Protection (1-6 Months)
Instructions for protecting the engine for storage up to 6 months.
Permanent Engine Protection (Over 6 Months)
Additional instructions for protecting the engine for storage over 6 months.
Preparing Stored Engine for Operation
Steps to take to get a stored engine ready for use.
Special Equipment and Tools
Flywheel Puller Tool
Tool for removing the flywheel.
Yoke for Timing Control Gear Extraction
Tool for extracting timing control gears.
Rocker Arm Pin Extractor Tool
Tool for removing rocker arm pins.
Valve Spring Assembly Tool
Tool for assembling valve springs.
Injection Pump Lever Timing Gauge
Gauge for timing the injection pump lever.
Injection Pump Static Timing Test Device
Device for performing static timing tests on the injection pump.
Table of Contents
Save PDF
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
Need help?
Do you have a question about the 5LD825-3 and is the answer not in the manual?
Questions and answers