Lombardini LGW 523 Series Manuals

Manuals and User Guides for Lombardini LGW 523 Series. We have 1 Lombardini LGW 523 Series manual available for free PDF download: Workshop Manual

Lombardini LGW 523 Series Workshop Manual (94 pages)

Brand: Lombardini | Category: Engine | Size: 4 MB

Table of Contents
4
Troubleshooting
9
Safety Decals - Safety Instructions
10
Code and Identification
12
Technical Specifications
13
Vcharacteristic Curves
14
Overall Dimensions
15
Maintenance- Recommended Oil - Coolant Fluid - Fuels and Lubricants
16
Disassembly/Reassembly
19
LGW 627 Dry Air Filter
19
Exhaust Manifold
20
LGW 523 - LGW 627 Remote Dry Air Filter
20
LGW 627 Air Filter Support
20
Cooling Fan
21
Cooling Fan and Alternator Belt
21
Flywheel
21
Tank (on Request)
21
Driving Pulley
22
Timing Belt and Gears
22
Timing Belt Guard
22
Transmission Pulley
22
Belt Tightening Guide Pulley
23
Pulley on Crank Shaft
23
Removing the Timing Belt
23
Timing Pulley - Disassembly/Reassembly
23
Timing Pulley - Timing System Tuning Reference Marks
24
Tuning the Timing System - Belt Tightening Tool
24
Tuning the Timing System - Refitting the Timing Belt
24
Tuning the Timing System - Tightening the Timing Belt and Tightener Torque
24
Operative Timing System Tuning Angles (Valve Clearance = 0.26 MM) for LGW 523
25
Operative Timing System Tuning Angles (Valve Clearance = 0.26 MM) for LGW 627
25
Tuning Angles to Check the Timing System (Valve Clearance = 2 MM) for LGW 523
25
Tuning Angles to Check the Timing System (Valve Clearance = 2 MM) for LGW 627
25
Tuning the Timing System - Angles
25
Tuning the Timing System - Inspection
25
LGW 627 Speed Governor
26
LGW 627 Speed Governor Components
26
LGW 627 Speed Governor Levers
26
Remounting the LGW 627 Speed Governor
26
Demounting the Oil Pump
27
Remounting the Oil Pump
27
LGW 627 Rocker Cap
28
Rocker Cap and Recirculated Oil Vapour Bleeding System for Engine LGW 627
28
LGW 523 - LGW 627 Valve/Rocker Clearance
29
LGW 523 Bleed
29
LGW 523 Rocker Cap
29
Rocker Shaft
30
Rocker Shaft, Demounting and Refitting
30
Cam Height Inspection
31
Camshaft and Housings, Pin Dimensions (MM)
31
Camshaft, Demounting
31
Camshaft, Inspection of Pin Diameters and Housings
31
Cylinder Head, Removal
32
Intake, Exhaust Cam Height - LGW 523 - LGW 627
32
Oil Retainer Seal in Valve Guide, Removal
32
Valves
32
LGW 523 - LGW 627 Valve Springs
33
Valve Guides and Housings
33
Valve Guides, Assembly
33
Valves, Specifications
33
Oil Sump, Removal
34
Valve Recessing and Width of Housing Seal
34
Valves, Seats and Housings
34
Demounting and Remounting the Pin Stop Rings
35
Piston
35
Piston, Class and Logotype
35
Piston, Demounting and Inspection
35
Piston Rings - Distance between the Tips
36
Piston Rings, Assembly Order
36
Piston Rings, Play between Slots (MM)
36
Pistons, Weight
36
Head Gasket
37
Head Torquing
37
Piston Protrusion Test
37
Piston, Refitting
37
Connecting Rod (Big-End Bearing)
38
Connecting Rod, Weight
38
LGW 523-627 Head Torquing Phases
38
Connecting Rod Complete with Bearings and Pin
39
Connecting Rod Alignment
39
Cylinders
40
Cylinders, Class
40
Cylinders, Roughness
40
Central Main Bearing Caps
41
Checking for Play between Bearings and Main Journals
41
Rear and Front Main Bearing Caps
41
Supporting Half-Rings
41
Bearing Half-Rings, Oversizes
42
Crank Shaft Float
42
Crank Shaft Front and Rear Oil Retention Seals
42
Crank Shaft, Lubrication Ducts
43
Crank Shaft, Main Journal and Crank Inspection
43
Diameters of Main Journal and Big-End Journals
43
Inner Diameters of Main and Big-End Bearings
43
Hydraulic Pump Drive (for LGW 627)
44
Third Drive, Components (for LGW 627)
44
Lubrication Circuit
45
Internal Oil Filter and Engine Oil Return Tube
46
Oil Pressure Regulating Valve
46
Oil Pump
46
Oil Pump, Play between Rotors
46
Oil Filter Cartridge
47
Oil Pressure Check
47
Xcooling Circuit
48
Cooling Circuit
48
Cooling Fluid Pump, Components
49
Radiator and Compensation Chamber Plug, Inspections and Tightness
49
Thermostatic Valve
49
Fuelling Circuit
50
Fuel Filter Detached from Tank
50
Fuel Pump
50
Fuel Pump Rod Projection
50
Carburetor
51
Carburetor Vacuum Adjustment
51
Mixture Adjuster Screw Regulation (Idling Rate)
51
Speed Adjuster Screw Regulation (Idling Rate)
51
Carburetor Vacuum Adjustment
52
Carburetor Vacuum Balancing Test
52
Higt and Idling Speed Adjustment
52
Adjustments and Calibration
53
Carburetor FHCD22.18E
53
Carburetor LGW 523
54
Enrichment Adjustments - with Analyzer
54
Idling Adjustment
54
Preliminary Conditions
54
Adjustments
55
Calibrated Parts
55
Carburetor 32TLF/250
55
Cold Starting
56
Idling Speed
56
Normal Speed
56
Pick-Up
56
Float Chamber Level
57
Inspections and Adjustments
57
Partial Air Powered Opening of the Ignition Throttle
57
Pick-Up Pump Delivery
57
Positive Opening
57
Carburetor with Variant to Keep the Engine Idling When Cold
58
Ignition
59
Introduction
59
LGW 523 Ignition System
59
Main Components of the LGW 523 Ignition System
59
Operating Principle
59
523 Ignition Process
60
LGW 523 Cut-Off
60
Phase Sensor
60
LGW 523 Coil
61
Technical Specifications of the Ignition Module
61
LGW 627 Ignition System
62
Main Components of the LGW 627 Ignition System
62
Operating Principle
62
Spark Plug (Type Champion RC 12YC)
63
Electrical Circuit
64
Alternator Iskra 14V 33A
74
Battery
74
Characteristic Curve of the Iskra 14V 33A Alternator
74
Characteristic Curve of Alternator Marelli AA 125 R 14V 45A
75
Marelli Alternator, Type AA 125 R 14V 45A
75
Voltage Regulator Connection
75
Alternator Housed in the Flywheel
76
Battery Recharging Curve for 12V 20A Alternator
76
Battery Recharging Curve for 12V 30A Alternator
76
Characteristic Curve of Starter Motor Bosch Type DW 12V 1.1 Kw
77
Pressure Switch for Oil Pressure Indicator
77
Sensor for Coolant Fluid Temperature Indicator
77
Starter Motor, Bosch Type DW 12V 1.1 Kw
77
Storage
78
Permanent Protection (Longer than 6 Months)
78
Preparing for Operation
78
Temporary Protection (1/6 Months)
78
LPG Fuelled ENGINE LGW 627
79
Operation of the LPG Conversion Unit
80
Operation of the Ignition System for Gasoline (Petrol) or LPG Fuelled Engines
82
Technical Specifications
82
Components of the LPG Conversion Unit
83
Regulator/Atomizer
83
Positioning the Regulator
84
Regulator Installation
84
Liquid Phase LPG Shut-Off Solenoid Valve
85
Regulator Heating Circuit Connection
85
Connecting the Mixer to the Regulator
86
Gasoline (Petrol) Solenoid Valve
86
The Mixer
86
Change-Over Switch Mod. 093
87
Electrical System
87
Mod. 093 Change-Over Switch Installation
87
Carburation Test with Exhaust Gas Analyzer
88
Regulating Procedure with Reducer SE 81 SIC
88
How to Regulate the Sensitivity of Reducer SE 81 SIC
89

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Lombardini LGW 523 Series Workshop Manual (94 pages)

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