Nanni N4.40 Marine Diesel Engine Manuals

Nanni N4.40 Marine Diesel Engine Manuals

Manuals and User Guides for Nanni N4.40 Marine Diesel Engine. We have 1 Nanni N4.40 Marine Diesel Engine manual available for free PDF download: Workshop Manual

Nanni N4.40 Workshop Manual

Nanni N4.40 Workshop Manual (176 pages)

Brand: Nanni | Category: Engine | Size: 10.62 MB

Table of Contents

Safety First
2
Safety Information
5
Before You Start Your Service
5
Prevent a Fire
6
Safe Operation
6
Technical Data
8
Tightening Torque
8
Lubrication
8
Engine Specifications
8
Diagrams
9
Table of Contents
15
General Information
15
1 Engine Identification

16
- Model Name and Engine Serial Number
  16
- Cylinder Number
  18
- E3B Engine
  18
2 General Precautions

19
3 Maintenance Check List

20
- Engine Oil Classification (API Classification)
  22
4 Check and Maintenance

23
5 Special Tools

52
- Diesel Engine Compression Tester
  52
- Oil Pressure Tester
  52
- Injection Pump Pressure Tester
  53
- Bushing Replacing Tools
  54
- Flywheel Stopper
  54
- Valve Guide Replacing Tool
  54
- Crankshaft Bearing 1 Replacing Tool
  55
- Socket Wrench for Crank Pulley Nut
  55
- Auxiliary Socket for Fixing Crankshaft Sleeve
  56
- Balancer Metal Replacing Tool (for Removing)
  58
- Balancer Metal Replacing Tool (for Fitting)
  59
- Idle Gear 2 Puller
  60
- Mechanism
  62
- Engine Body
  63
- Piston
  63
- Built-In Dynamic Balancer (Balancer Model Only)
  64
- Half-Floating Head Cover
  65
- Bottom Bypass System
  66
- Cooling System
  66
- Fuel System
  67
- Governor
  67
  - Smoke Detector Device (SRD)
    67
  - Boost Compensator
    69
  - Turbocharger System
    69
    
    Servicing
    70
    
    Engine Body Troubles
    71
  - Troubleshooting
    71
    
    Electronic Governor Troubles
    78
    
    Blinking Pattern of Glow Lamp
    79
  - Servicing Specifications
    80
  - Tightening Torques of Screws, Bolts and Nuts for General Use
    90
  - Dimensions
    91
  - Tightening Torques of the Screws, Bolts and Nuts for Special Use
    91
  - Checking and Adjusting
    92
  - Checking, Disassembling and Servicing
    92
    
    Compression Pressure
    92
    
    Engine Body Checking and Adjustment
    92
    
    Valve Clearance
    94
    
    Cooling System Checking and Adjustment
    95
    
    Engine Oil Pressure
    95
    
    Fan Belt Tension
    95
    
    Lubricating System Checking and Adjustment
    95
    
    Radiator Cap Air Leakage
    96
    
    Radiator Water Leakage
    96
    
    Opening-Temperature of Thermostat Valve
    97
    
    Fuel System Checking and Adjustment
    98
    
    Injection Timing
    98
    
    Fuel Tightness of Pump Element
    101
    
    Fuel Tightness of Delivery Valve
    102
    
    Battery Voltage
    106
    
    Electrical System Checking and Adjustment
    106
    
    Magnetic Switch Continuity Test
    108
    
    Magnetic Switch Test
    108
    
    Motor Test
    108
    
    Alternator-On Unit Test
    109
    
    Glow Plug Continuity
    109
    
    Glow Plug Lead Terminal Voltage
    109
    
    Engine Stop Solenoid
    110
    
    Radial Clearance
    110
    
    Turbine Side
    110
    
    Turbocharger Checking and Adjustment
    110
    
    Electronic Governor Checking and Adjustment
    111
    
    Speed Sensor
    111
    
    Water Temperature Sensor
    111
    
    Oil Pressure Switch
    112
    
    Solenoid
    113
    
    Alternator
    114
    
    Glow Plug Harness
    114
    
    Speed Switch
    114
    
    Battery
    115
    
    Emergency Stop Switch
    115
    
    Slow down Switch
    115
    
    Disassembly and Assembly
    116
  - Draining Engine Oil and Coolant
    116
  - Air Cleaner, Muffler and Others
    117
  - External Components
    117
  - Turbocharger
    117
  - Cylinder Head and Valves
    118
    
    Injection Pipes
    118
    
    Nozzle Holder Assembly and Glow Plug
    119
    
    Rocker Arm and Push Rod
    120
    
    Service Procedure of Nozzle Heat Seal
    120
    
    Cylinder Head
    121
    
    Tappets
    122
    
    Thermostat Assembly
    123
    
    Valves
    123
    
    Water Pump Assembly
    123
  - Gear Case and Timing Gears
    124
    
    Injection Pump (for Non Turbocharger Model)
    124
    
    Injection Pump (for Turbocharger Model)
    125
    
    Injection Pump (for Smoke Reduction Device)
    126
    
    Governor Springs and Speed Control Plate
    127
    
    Fan Drive Pulley
    129
    
    Idle Gear 2 and Hydraulic Pump Base Assembly (for Side PTO Model)
    130
    
    Crankshaft Oil Slinger
    131
    
    Gear Case
    131
    
    Idle Gear
    131
    
    Camshaft
    132
    
    Camshaft and Balancer Shaft (for Balancer Model)
    132
    
    Crank Gear
    133
    
    Fuel Camshaft and Fork Lever Assembly
    133
    
    Oil Pump
    133
    
    Oil Pan and Oil Strainer
    134
  - Piston and Connecting Rod
    134
    
    Pistons
    135
    
    Piston Ring and Connecting Rod
    137
    
    Bearing Case Cover
    139
  - Flywheel and Crankshaft
    139
  - Main Bearing Case Assembly
    141
  - Starter
    142
  - Alternator
    143
  - Cylinder Head and Valves Servicing
    144
  - Top Clearance
    144
  - Cylinder Head Flaw
    145
  - Cylinder Head Surface Flatness
    145
  - Valve Recessing
    146
  - Clearance between Valve Stem and Valve Guide
    147
  - Replacement of Valve Guide
    147
  - Valve Seating
    148
  - Correction of Valve and Valve Seat
    149
  - Free Length and Tilt of Valve Spring
    150
  - Setting Load of Valve Spring
    150
  - Valve Lapping
    150
  - Oil Clearance between Rocker Arm and Rocker Arm Shaft
    151
  - Oil Clearance between Tappet and Tappet Guide Bore
    151
  - Push Rod Bend
    151
  - Timing Gear Backlash
    152
  - Timing Gears Servicing
    152
  - Camshaft Bend
    153
  - Side Clearance of Camshaft
    153
  - Side Clearance of Idle Gear
    153
  - Cam Height
    154
  - Oil Clearance of Camshaft Journal
    155
  - Balancer Shaft Bend (for Balancer Model Only)
    156
  - Oil Clearance between Idle Gear Shaft and Idle Gear Bushing
    156
  - Replacement of Idle Gear Bushing
    156
  - Side Clearance of Balancer Shaft (for Balancer Model Only)
    156
  - Oil Clearance of Balancer Shaft Journal
    157
  - Oil Clearance between Piston Pin and Small End Bushing
    158
  - Piston and Connecting Rod Servicing
    158
  - Piston Pin Bore I.D.
    158
  - Replacement of Small End Bushing
    158
  - Connecting Rod Alignment
    159
  - Piston Ring Gap
    160
  - Clearance between Piston Ring and Groove
    161
  - Crankshaft Bend
    162
  - Crankshaft Servicing
    162
  - Side Clearance of Crankshaft
    162
  - Oil Clearance between Crankpin and Crankpin Bearing
    163
  - Oil Clearance between Crankshaft Journal and Crankshaft Bearing 1
    164
  - Replacement of Crankshaft Bearing 1
    164
  - Oil Clearance between Crankshaft Journal and Crankshaft Bearing 2
    165
  - Replacement of Crankshaft Sleeve
    166
  - Cylinder Servicing
    167
  - Cylinder Wear
    167
  - Cylinder Correction (Oversize)
    168
  - Clearance between Rotor and Cover
    169
  - Oil Pump Servicing
    169
  - Rotor Lobe Clearance
    169
  - Starter Servicing
    169
  - Commutator and Mica
    170
  - Brush Holder
    171
  - Brush Wear
    171
  - Alternator Servicing
    172
  - Armature Coil
    172
  - Field Coil
    172
  - Rotor
    173
  - Slip Ring
    173
  - Stator
    173
  - IC Regulator
    174
  - Rectifier
    174

Advertisement

Advertisement

Related Products

Nanni Categories

Engine Portable Generator Boating Equipment Marine Equipment

More Nanni Manuals