Lombardini 4LD 820 Engine Spare Parts Manuals

Manuals and User Guides for Lombardini 4LD 820 Engine Spare Parts. We have 2 Lombardini 4LD 820 Engine Spare Parts manuals available for free PDF download: Workshop Manual

Lombardini 4LD 820 Workshop Manual

Lombardini 4LD 820 Workshop Manual (48 pages)

Engine Series 3 - 4 LD

Brand: Lombardini | Category: Engine | Size: 0.69 MB

Table of Contents

Table of Contents
4
3 LD 510, 3LD 451/S, 3LD 510/S, 4LD 640, 4LD 705, 4LD 820, Which Are Air-Cooled, Provided with Direct Injection and Revised

6
General Remarks and Safety Information

6
Technical Information

10
Disassembly / Reassembly

16
- Oil-Bath Air Filter (Standard)
  16
- Recommendations for Disassembling
  16
- Silencer (Standard)
  16
- Flywheel
  17
- Starting Pulley
  17
- Vent Plug
  17
- Decompression (by Request)
  18
- Rocker Arm Pin, Extraction
  18
- Head
  19
- Injector, Projection
  19
- Rocker Arm Pin and Hole
  19
- Valve/Rocker Arm Clearance
  19
- Valves
  19
- Valve Guide Dimensions and Clearances
  20
- Valve Guides Insertion
  20
- Valves Guides and Housings
  20
- Valve Housings and Seats
  21
- Valve Seat Grinding
  21
- Cylinder and Piston
  22
- Distance Among Segment Ends (MM)
  22
- Piston Ring - Clearances Among Slots (MM)
  22
- Clearance Volume
  23
- Piston Reassembly
  23
- Piston Ring Assembly Order
  23
- Connecting Rod Equipped with Bearings and Piston Pin
  24
- Connecting Rod, Big End Bearings
  24
- Drive Shaft Axial Clearance
  24
- Main Bearing on Flywheel Side
  24
- Camshaft Axial Clearance
  25
- Side Distributor Port
  25
- Drive Shaft
  26
- Drive Shaft Connecting Radius
  26
- Drive Shaft Lubrication Ducts
  26
- Drive Shaft Main Journal and Crank Diametres (MM)
  26
- Camshaft
  27
- Camshaft Intake and Exhaust Cam Timing
  27
- Drive Shaft Internal Diam. Crankshaft Bearing / Connecting Rod Head
  27
- And Clearances Regarding Their Respective Pins (MM)
  27
- Camshaft Intake and Exhaust Cam Height
  28
- Camshaft Pin and Housing Dimensions (MM)
  28
- Distribution Timing Without Following the References
  28
- Distribution Timing
  28
- Speed Governor
  29
- Timing of the Speed Governor
  29
Lubrication Circuit

30
Fuel Injection Circuit

33
Electric Circuit

36
Adjustment

39
Storage

41
- Protective Treatment
  41
- Preparing the Engine for Operation after Protective Treatment
  41
Main Torque Specifications and Use of Sealants

42

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Lombardini 4LD 820 Workshop Manual

Lombardini 4LD 820 Workshop Manual (34 pages)

Brand: Lombardini | Category: Engine | Size: 1.38 MB

Table of Contents

Introduction
2
Index of Chapters
2
Registration Code and Identification
3
Characteristic Curves
4
Maintenance - Prescribed Oil - Refuellings
5
Rating
5
Capacities in Liters
5
Recommended Oil
5
Trouble Shooting
6
Flywheel
7
Disassembly/Reassembly
7
Silencer (Standard)
7
Oil-Bath Air Filter (Standard)
7
Starting Pulley
8
Vent Plug
8
Valve/Rocker Arm Clearance
8
Decompression (by Request)
8
Injector, Projection
9
Head
9
Rocker Arm Pin and Hole
9
Rocker Arm Pin, Extraction
9
Valves
10
Valves Guides and Housings
10
Valve Guides Insertion
10
Valve Guide Dimensions and Clearances
10
Valve Seat Grinding
11
Cylinder and Piston
11
Distance Among Segment Ends (MM)
11
Piston Reassembly
12
Piston Ring Assembly Order
12
Piston Ring - Clearances Among Slots (MM)
12
Clearance Volume
13
Connecting Rod Equipped with Bearings and Piston Pin
13
Connecting Rod, Big End Bearings
13
Main Bearing on Flywheel Side
13
Side Distributor Port
14
Camshaft Axial Clearance
14
Drive Shaft
14
Drive Shaft Lubrication Ducts
14
Drive Shaft Main Journal and Crank Diametres (MM)
15
Camshaft
15
Camshaft Pin and Housing Dimensions (MM)
16
Distribution Timing
16
Distribution Timing Without Following the References
16
Speed Governor
17
Timing of the Speed Governor
17
Lubrication Circuit
18
- Oil Pump
  18
- Oil Pressure Check
  19
- Features
  19
- Oil Pressure Regulating Valve
  19
- Oil Filter Cartridge
  19
- Standard Feeding/Injection Circuit
  20
- Fuel Filter Inside the Tank (Standard)
  20
- Feeding Pump Rod Projection
  20
- VII Fuel/Injection Circuit
  20
- Injection Pump Assembly
  21
- Advanced Injection (Static)
  21
- Setting
  21
- VIII Electric Circuit
  22
- Electric Equipment
  23
- Voltage Regulator
  23
- Voltage Regulator, Running Check
  23
- IX Electric Equipment
  24
- Minimum Rpm Adjustment at Idle Running (Standard)
  25
- Peak Rpm Adjustment at Idle (Standard)
  25
- Injection Pump Delivery Adjustment (Standard)
  25
- X Adjustments
  26
- Required Adjustments (the most Demanded)
  26
- Adjustment of Injection Pump Delivery with Braked Engine
  26
- Upkeeping
  27
- Temporary Protection (1÷ 6 Months)
  27
- Permanent Protection (over 6 Months)
  27
- Preparation for the Setting at Work
  27
- XII Technical Data
  28
- Main Driving Torques
  29
- XIV Use of Sealant
  30
- Driving Torques
  31
- General Alphabetical Index
  32

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