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9 LD 625-2
Lombardini 9 LD 625-2 User Manual
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-
71
-
9LD
Workshop
Manual
_
cod.
1.5302.286
-
3°
ed
_rev
.
02
7
163
162
164
Electric System
Vo
l
t
a
g
e
r
e
g
u
l
a
t
o
r
-
1
2
V,
3
0
A
The
voltage
regulator
is
of
the
bridge
type.
Â
See
page
70
for
tag
dimensions.
Voltage regulator - 12V, 26A, with “W” terminal
“W”
pole
tab:
Width = 4,75 mm;
Thickness= 0,5 mm.
Â
See page 70 for tag dimensions.
Voltage regulator - 12V, 30A, with “W” terminal
“W”
pole
tab:
Width = 4,75 mm;
Thickness= 0,5 mm.
Â
See page 70 for tag dimensions.
70
72
Table of Contents
Default Chapter
5
Table of Contents
5
1 General Remarks and Safety Information
9
General Service Manual Notes
9
Glossary and Terminology
9
Warranty Certificate
9
Safety and Warning Decals
10
Safety Regulations
10
General Safety During Operationg Phases
11
Safety and Environmental Impact
11
Table of Likely Anomalies and Their Symptoms
12
Trouble Shooting
12
Technical Information
12
2 Technical Information
13
Approval Data
14
Manufacturer and Engine Identification
14
Main Components
15
Technical Specifications
16
Performance Diagram
18
Overall Dimension
20
3 Maintenance - Recommended Oil Type - Refilling
22
Extraordinary Maintenance
22
Ordinary Maintenance
22
Routine Engine Maintenance
22
ACEA Regulations - ACEA Sequences
23
API / MIL Sequences
23
International Specifications
23
Lubricant
23
SAE Classification
23
Prescribed Lubricant
24
Fuel Recommendations
25
Air Cleaner
26
4 Disassembly / Reassembly
27
Dry Air Cleaner
27
Clogging Indicator
28
External Alternator Blower Control Belt - Disassembly
29
Cooling Fan
30
Flywheel
31
Compression Release
32
Cylinder Head
33
Valve Springs
34
Valve Stem Sealing Rings - Reassembly
34
Valves
34
Valve Material
34
Dimensions and Clearance between Guides and Valves
35
Valve Seat Grinding
36
Valve Seats and Housings
36
Cylinder
36
Piston
37
Piston Rings - End Gaps (MM)
38
Connecting Rod
39
Connecting Rod Alignment
40
Connecting Rod Big End Bearing
40
Connecting Rod Small End Bushing
40
Connecting Rod Weight
40
Crankshaft Timing Gear
41
Center Main Bearing Support, Locating Screw
42
Crankshaft
42
Crankshaft Center Main Bearing Support
42
Checking Main Journals and Crank Pins
43
Clearance between Main Journals/Crank Pins and Connecting Rod Bearings
44
Camshaft
45
Crankshaft End Play
45
Camshaft End Play
46
Camshaft Timing
46
Valve Timing Without Considering Timing Marks
46
Valve Timing - Angles
47
Valve Timing Check
47
Hydraulic Pump
47
Hydraulic Pump Components (1 P)
48
Electronic Speed Governor
49
Speed Governor Wiring Diagram
50
Disassembly / Reassembly
51
5 Lubrication System
52
Lubrication System and Breather Recirculation System
52
Standard Lubrication System Circuit
52
Lubrication System with Oil Radiator Circuit
53
Oil Pump
53
Oil Filter Cartridge (External)
54
Oil Pressure Relief Valve
54
Oil Pressure Check
55
Oil Pressure Curve with Engine at Full Speed
55
Oil Pressure Curve with Engine at Idle Speed
55
Oil Radiator
55
6 Fuel System
56
Fuel Feeding / Injection Circuit with External Fuel Filter
56
Fuel Feeding / Injection Circuit with External Fuel Filter and Double Solenoid Valve
56
Fuel Feeding / Injection Circuit with Fuel Filter Inside the Fuel Tank
56
Fuel Feeding / Injection Circuit with Fuel Filter Inside the Fuel Tank and Double Solenoid Valve
56
Fuel Feeding /Injection Circuit
56
Fuel Feeding / Injection Circuit with External Fuel Filter and QSD (Quick Stop System)
57
Fuel Filter
57
Fuel Filter (Inside Fuel Tank)
57
Fuel Filter, External
57
Fuel Lift Pump
57
Fuel Feeding Pump Components
58
Injection Pump
58
Injection Pump for Standard and 97/68 CE Engines
58
Piston Fuel Lift Pump (on Request)
58
How to Check Plunger and Barrel for Internal Leakage
59
Injection Pump for EPA Engines
59
Plunger and Barrel Assembly
59
How to Check Injection Pump Delivery Valve Sealing
60
Test Data for Injection Pump Delivery
60
How to Mount Injection Pump on the Engine
61
How to Reassemble Injection Pump Components
61
Injection Pump/Mechanical Speed Governor Timing
62
Injection Static Advance Adjustment
62
(Static) Injection Timing
62
Injection Advance Adjustment
63
Injector
64
Size S Injector, Only for Standard Engines
64
Size S Nozzle, Only for Standard Engines
64
Injector Setting
65
Size P Injector, for 97/68 CE and EPA Engines
65
Size P Nozzle, for 97/68 CE and EPA Engines
65
7 Electric System
66
Electric Starting Layout with Internal Alternator
66
Electrical Starting Layout with External Alternator
66
Alternator
67
Alternator - 12 V, 18A
67
Alternator - 24 V, 6 a
67
Alternator Battery Charger Curve (12 V, 18 A)
67
Alternator - 12 V, 14 a
68
Alternator Battery Charger Curve - 24 V, 6 a
68
Alternator Battery Charger Curve Standard - 12 V, 14 a
68
Magnetization Checking Tool
68
Alternator Battery Charger Curve - External, 12 V, 33 a
69
Alternator, External - 12 V, 33 a
69
Checking for Cable Continuity
69
How to Check Voltage Regulator for Proper Operation
70
Voltage Regulator
70
Voltage Regulator - 12 V, 30 a
71
Voltage Regulator - 12V, 26A, with "W" Terminal
71
Voltage Regulator - 12V, 30A, with "W" Terminal
71
Characteristic Curves for Starting Motor Type Bosch - 12 V, 1.7 Kw
72
Starting Motor
72
Characteristic Curves of the 24 V 1.6 Kw Starting Motor
73
Starting Motor Type Bosch DW (R) 12 V, 1.7 Kw
73
Direct Stop Electromagnets
74
Pre-Heating Glow Plug
74
Reverse Electromagnet - FIRE Version
74
Direct Stop Electromagnet
75
8 Settings
76
Full Speed Setting in No-Load Conditions (Standard)
76
Idling Speed Setting in No-Load Conditions
76
Injection Pump Delivery Setting
76
Lnjection Pump Delivery Limiting and Extra Fuel Device
76
Speed Adjustments
76
Injection Pump Delivery Setting with Dynamometric Brake
77
Lnjection Pump Delivery Setting Without Dynamometric Brake
77
Required Settings (as most Commonly Applies)
78
Setting the Stop Limit Stop
78
9 Storage
80
Engine Storage
80
Protective Treatment
80
Preparing the Engine for Operation after Protective Treatment
81
10 Torque Specifications and Use of Sealant
82
Table of Tightening Torques for the Main Components
82
Table of Tightening Torques for Standard Screws (Coarse Thread)
84
Table of Tightening Torques for Standard Screws (Fine Thread)
84
11 Special Tools
85
Special Tools and Equipment for Maintenance
85
9LD Workshop Manual _ Cod. 1.5302.286 - 3° Ed_Rev
85
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Lombardini 9 LD 625-2 Specifications
General
Brand
Lombardini
Model
9 LD 625-2
Category
Engine
Language
English
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