Mitsubishi 4DQ50 Manuals

Mitsubishi 4DQ50 Manuals

Manuals and User Guides for Mitsubishi 4DQ50. We have 1 Mitsubishi 4DQ50 manual available for free PDF download: Service Manual

Mitsubishi 4DQ50 Service Manual

Mitsubishi 4DQ50 Service Manual (116 pages)

Brand: Mitsubishi | Category: Engine | Size: 4.17 MB

Table of Contents

Table of Contents
5
Chapter 1 Operation and Handling

10
- Newengine
  10
- Checkup and Preparations Prior to Starting
  10
- Engine Starting
  12
- After the Engine's Start
  13
- Engine Operation
  13
- During Operation
  13
- Stopping
  14
- Handling in Cold Weather
  15
- Starting in Cold Weather
  15
- General Instructions
  15
- Handling in the Hot Season
  16
Chapter 2 Fuel, Oil and Cooling Water

17
- Fuel
  17
- Engine Oil
  17
- Quality Required of Engine Oil
  17
- Recommendable Classes of Engine Oil
  17
- Time to Change Engine Oil
  18
- Diaphragm Oil
  18
- Cooling Water
  18
- Required Quality
  18
- Handling of Cooling System
  18
Chapter 3 Regular Servicing

19
- Lubrication
  19
- Air System
  23
- Air Cleaner (Oil Bath Type)
  23
- Air Cleaner (Filter Paper Type)
  24
- Valve Clearances
  26
- Compression Pressure
  26
- Oil System
  26
- Oil Pan
  27
- Oil Filter
  27
- Differential Bypass Valve
  28
- Oil Pressure
  29
- Fuel System
  30
- Fuel Filter
  30
- Bleeding (or Priming)
  32
- Checkup of Nozzles
  32
- Fuel Injection Pump
  34
- Fuel Injection Timing
  35
- Governor (Pneumatic)
  36
- 4·7 Governor (Mechanical)
  36
- GOVERNOR (Model Rsv,Bosch Type)
  42
- Automatic Timer
  53
- Measurement of Engine Speed
  54
- Cooling System
  56
- Cooling Water and Radiator
  56
- Thermostat
  57
- Tension of Fan Belt
  57
- Electric System
  58
- Generator
  59
- Generator
  60
- 6·2-1 D.C. Generator Relay
  61
- 6·2·2 A.C. Generatorrelay
  61
- Starter
  61
- Battery
  62
- Re·screwing of Main Bolts
  63
- Cylinder Head Clamp Bolts
  64
- Main Bearing Caps and Connecting Rod Caps
  64
- Others
  64
Chapter 4 Trouble-Shooting

67
- Trouble Shooting Chart
  68
- Trouble Shooting Chart (Appendix)
  72
Chapter 5 Overhauling Instructions

77
- General Instructions
  77
- Cylinder Head and Valves
  78
- 2·' Reface of Valve Seats
  78
- 2·2 How to Replace Valve Guides
  78
- Combustion Chamber Jet and Director
  78
- Rocker Shaft Brackets
  79
- Pistons and Connecting Rods
  79
- 3·' How to Remove and Install Piston and Connecting Rod Ass'y
  79
- 3·2 How to Ceuple Piston with Connecting Rod
  80
- How to Remove and Install Piston Pins
  80
- Cylinders
  81
- Oversizes
  81
- Cylinder Liners
  81
- Bearing Metals
  81
- General Cautions
  81
- How to Assemble Main Bearing Metals
  82
- Undersizes
  82
- Timing Gear
  82
- Timing Gear Train
  82
- 6·2 Valve Timing
  83
- Oil Seals
  84
- Mountings
  84
- Oil Pan Installing
  85
- Oil Pump
  85
- Water Pump
  86
- Bolt Screwing
  86
- Model 40Q50 Engine Service Standard
  88
- Iiapter 6 TOOLS
  108
- Common Tools
  108
- Special Tools
  109
- Apter 7 Main Specifications and Performance
  111
- Main Specifications of Mitsubishi Diesel Engine Model 40050
  111
- Performance of Mitsubishi Diesel Engine Model 40050
  112
- 40050A (for Motor Vehicles) Performance Curve
  113
- 40050C (for Construction Machine) Performance Curve
  114
- 40050P (for General Power) Performance Curve
  115

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