User Manuals: Yanmar 4JH4E Marine Diesel Engine

Manuals and User Guides for Yanmar 4JH4E Marine Diesel Engine. We have 2 Yanmar 4JH4E Marine Diesel Engine manuals available for free PDF download: Service Manual

Yanmar 4JH4E Service Manual

Yanmar 4JH4E Service Manual (350 pages)

Brand: Yanmar | Category: Engine | Size: 62.45 MB

Table of Contents

Table of Contents
7
Safety Labels
15
Safety Precautions
16
Rotating Parts
19
1 General

21
- Exterior Views
  21
- Specifications
  24
- Fuel Oil, Lubricating Oil and Coolant
  30
  - Fuel Oil
    30
  - Lubricating Oil
    32
  - Coolant
    33
- Engine Outline
  34
- Piping Diagrams
  53
- Exhaust Gas Emission Regulation in U.S.A. Only
  66
  - Engines under 37Kw: 3JH4E
    66
  - Engines of 37Kw or More: 4JH4-TE and 4JH4-HTE
    69
2 Inspection and Adjustment

72
- Periodic Maintenance Schedule
  72
- Periodic Inspection and Maintenance Procedure
  74
- Adjusting the No-Load Maximum or Minimum Speed
  114
- Sensor Inspection
  115
  - Oil Pressure Switch
    115
  - Thermo Switch
    115
- Thermostat Inspection
  116
- Adjusting Operation
  117
- Long Storage
  119
3 Troubleshooting

120
4 Disassembly and Reassembly

142
- Disassembly and Reassembly Precautions
  142
- Disassembly and Reassembly Tools
  143
  - General Hand Tools
    143
  - Special Hand Tools
    145
  - Measuring Instruments
    151
  - Other Material
    156
- Disassembly and Reassembly
  158
  - Disassembly
    158
  - Reassembly
    176
5 Inspection and Servicing of Basic Engine Parts

195
- Cylinder Block
  195
  - Inspection of Parts
    195
  - Cleaning of Oil Holes
    195
  - Color Check Procedure
    196
  - Replacement of Cup Plugs
    197
  - Cylinder Bore Measurement
    198
- Cylinder Head
  199
  - Inspecting the Cylinder Head
    201
  - Valve Seat Correction Procedure
    202
  - Intake/Exhaust Valves, Valve Guides
    204
  - Valve Springs
    208
  - Assembling the Cylinder Head
    210
  - Measuring Top Clearance
    211
  - Intake and Exhaust Rocker Arms
    212
  - Adjustment of Valve Clearance
    213
- Piston and Piston Pins
  214
  - Piston
    215
  - Piston Pin
    216
  - Piston Rings
    217
- Connecting Rod
  220
  - Inspecting the Connection Rod
    221
  - Crank Pin Metal
    222
  - Piston Pin Bushing
    224
- Crankshaft and Main Bearing
  225
  - Crankshaft
    225
  - Main Bearing
    228
- Camshaft and Tappets
  229
  - Camshaft
    229
  - Tappets
    231
- Timing Gear
  232
  - Inspecting the Gears
    232
  - Gear Timing Marks
    232
- Flywheel and Housing
  233
  - Position of Top Dead Center and Fuel Injection Timing
    234
  - Damper Disc
    234
6 Fuel Injection Equipment

235
- Fuel Injection Pump/Governor for 3JH4E and 4JH4E
  235
  - Fuel System Diagram
    235
  - Fuel Injection Pump Service Data
    236
  - Fuel Injection Pump Structure
    239
  - Removing a Fuel Injection Pump
    240
  - Installing a Fuel Injection Pump
    241
  - Adjusting Fuel Injection Timing
    241
  - Troubleshooting of Fuel Injection Pump
    241
  - Tools
    242
- Fuel Feed Pump
  244
- Fuel Injection Pump/ Governor for 4JH4-TE and 4JH4-HTE
  247
  - Fuel System Diagram
    247
  - Fuel Injection Pump Structure
    248
  - Fuel Injection Pump Service Data
    253
  - Removing a Fuel Injection Pump
    254
  - Installing a Fuel Injection Pump
    255
  - Adjusting Fuel Injection Timing
    255
  - Troubleshooting of Fuel Injection Pump
    256
- Fuel Injection Nozzle
  257
- Fuel Filter
  259
  - Fuel Filter for 3JH4E and 4JH4E
    259
  - Fuel Filter for 4JH4-TE and 4JH4-HTE
    260
- Fuel Tank
  261
7 Intake and Exhaust System

262
- Intake System
  262
  - 3JH4E and 4JH4E
    262
  - 4Jh4-Te
    262
  - 4Jh4-Hte
    262
  - Breather System (a Reductor to Intake Air System of Blowby Gas)
    263
  - Diaphragm Assy Inspection (Only for 3JH4E and 4JH4E)
    264
- Exhaust System
  265
- Turbocharger
  267
8 Lubrication System

272
- Lube Oil Pump
  273
- Lube Oil Filter
  277
  - Lube Oil Filter Construction
    277
  - Lube Oil Filter Replacement
    277
- Lube Oil Cooler
  278
  - Lube Oil Cooler Construction
    278
  - Inspecting the Lube Oil Cooler
    278
- Piston Cooling Oil Nozzle
  279
- Rotary Waste Oil Pump (Optional)
  280
9 Coolant System

281
- Seawater Pump
  283
  - Specifications of Seawater Pump
    284
  - Seawater Pump Disassembly
    285
  - Seawater Pump Inspection
    285
  - Seawater Pump Reassembly
    286
- Fresh Water Pump
  287
  - Fresh Water Pump Construction
    287
  - Specifications of Fresh Water Pump
    288
  - Fresh Water Pump Disassembly
    288
  - Fresh Water Pump Inspection
    289
- Heat Exchanger
  291
- Pressure Cap and Coolant Recovery Tank
  293
  - Pressure Cap Construction
    293
  - Pressure Cap Pressure Control
    293
  - Pressure Cap Inspection
    293
  - Replacing Filler Neck
    294
  - Function of the Coolant Recovery Tank
    295
  - Specifications of Coolant Recovery Tank
    295
  - Mounting the Coolant Recovery Tank
    296
  - Precautions on Usage of the Coolant Recovery Tank
    296
- Thermostat
  297
  - Functioning of Thermostat
    297
  - Thermostat Construction
    297
  - Characteristics of Thermostat
    297
  - Thermostat Inspection
    297
  - Testing the Thermostat
    297
- Bilge Pump and Bilge Strainer (Optional)
  298
  - Introduction
    298
  - Description
    299
  - Cautions
    300
  - Assembly Procedure
    301
  - Cautions for Assembling
    303
  - Troubleshooting
    305
10 Reduction and Reversing Gear

306
11 Remote Control System (Optional)

310
- Remote Control System
  310
  - Construction of Remote Control System
    310
  - Remote Control Device Components
    310
- Remote Control Installation
  312
- Remote Control Inspection
  315
- Remote Control Adjustment
  316
12 Electrical System

317
- Wiring Diagram
  318
- Battery
  320
- Starting Motor
  321
  - Specifications
    321
  - Characteristics
    321
  - Structure
    322
  - Wiring Diameter of a Starting Motor
    323
- Alternator 12V/60A (Optional)
  324
  - Specifications
    324
  - Structure
    325
  - Wiring Diagram
    326
  - Standard Output Characteristics
    326
  - Inspection
    327
- Alternator 12V/80A (Standard)
  328
  - Specifications
    328
  - Structure
    329
  - Wiring Diagram
    330
  - Standard Output Characteristics
    330
- Instrument Panel
  331
  - B-Type Instrument Panel (Selectable Optional)
    331
  - C-Type Instrument Panel (Selectable Optional)
    331
- Warning Devices
  332
- Air Heater (Optional)
  335
- Electric Engine Stopping Device
  336
13 Service Standards

337
- Engine Tuning
  337
- Engine Body
  339
  - Cylinder Head
    339
  - Camshaft and Gear Train
    341
  - Cylinder Block
    342
- Lubricating Oil System (Trochoid Pump)
  346
14 Tightening Torque for Bolts and Nuts

347
- Main Bolt and Nut
  347
- Standard Bolts and Nuts (Without Lube Oil)
  347

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Yanmar 4JH4E Service Manual

Yanmar 4JH4E Service Manual (21 pages)

Marine Diesel Engines

Brand: Yanmar | Category: Engine | Size: 0.89 MB

Table of Contents

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