Mitsubishi Heavy Industries 4DQ5 Manuals

Manuals and User Guides for Mitsubishi Heavy Industries 4DQ5. We have 1 Mitsubishi Heavy Industries 4DQ5 manual available for free PDF download: Service Manual

Mitsubishi Heavy Industries 4DQ5 Service Manual (121 pages)

Diesel

Brand: Mitsubishi Heavy Industries | Category: Engine | Size: 4 MB

Index
3
General
5
Major Component Parts
5
Left-Hand Side View
5
Right-Hand Side View
6
Longitudinal Sectional View
7
Transverse Sectional View
8
Major Data and Specifications
9
Disassembly
12
Inspection and Repair
20
Precombustion Chamber Jet Replacement
20
Valve Guides and Valve Seats
21
Valve Refacer
22
Valve Seat Installation
22
Valve Springs
23
Exhaust Manifold
23
Cylinder Sleeves
24
Positions for Checking Sleeve Bore Diameter
24
Pistons and Piston Rings
26
Piston Pins, Piston Pin Bosses and Piston Pin Bushings
28
Connecting Rod Alignment and Bearings
29
Crankcase
32
Crankshaft
32
Miking Crankshaft Crankpins
33
Grinding the Crankshaft
34
Checking Crankshaft End Play
35
Journal Width for Thrust Bearing
35
Checking Crankshaft for Runout
35
Measuring Main Bearing ID
36
Positions for Miking Main Bearing
36
Camshaft
36
Checking Camshaft Runout
37
Miking Camshaft Journals
37
Miking Camshaft Hole ID
38
Tappets and Tappet Holes
38
Checking Flywheel Friction Surface for Warpage
39
Checking Flywheel Friction Surface for Face Runout
39
Timing Gear Case and Oil Seal
39
Timing Gears
40
Checking Idler End Play
40
Reassembly
41
Piston and Connecting Rod Assembly
42
Piston Rings Installed
42
Oil Control Ring and Expander Installed
43
Driving in Camshaft Bushing
43
Precombustion-Chamber Side
44
Timing Gear Match Marks Meeting each Other
48
Valve Timing Diagram
48
Cylinder Head Assembly
50
Lubricating System
53
Lubrication Oil Circuit
53
Lube Oil Circulation
53
Oil Pump
53
Running Clearance between Outer Rotor and Inner Rotor
54
Sliding Clearance between Rotors and Cover
54
Radial Clearance between Outer Rotor and Pump Body
54
Rotor Shaft Diameter
54
Fitting Cover to Case by Matching Marks
55
Oil Filter
55
Cooling System
56
Direction of Coolant Flow
56
Coolant Circuit
56
Thermostat
56
Water Pump
57
Fuel System
60
Fuel Circuit
60
Priming the Fuel System
61
Adjusting the Injection Timing
61
The Engine with RUV Governor
61
A Timing Mark on Crankshaft Pulley (TDC)
61
The Engine with RSV Governor
62
Inspecting Fuel Injection Timing
62
Adjusting Fuel Injection Timing
62
Fuel Filter
63
Injection Nozzles
64
Needle Valve and Nozzle Body
65
Nozzle Holder and Distance Piece
65
Pressure Spring and Pressure Pin
65
Leak-Off Pipe Packing
65
Testing and Adjustment
66
Injection Pressure
66
Spray Pattern
66
Possible Patterns of Spray
66
Initial Throttled Spray
67
Terminating Main Spray
67
Seating Tightness
67
Fuel Feed Pump
68
Check Valve
70
Tappet Wear
70
Pump Housing Damage
70
Priming Pump Wear
70
Suction Performance
71
Delivery Pressure
71
Capacity Test
71
Air-Tightness
71
Fuel Injection Pump
72
Governor
73
Timing Mark on Injection Pump
74
Electrical System
75
Wiring Diagram
75
Starter
76
Reduction Gear Train and Overrunning Clutch
77
Overrunning Clutch Operation
77
Pinion Meshed in Flywheel
77
Starter Operation
77
Tabulated Data of Alternator
78
Construction of Alternator
78
Alternator Operation
79
Starter Switch in M Position
79
Starter Switch in S Position and Starter Operates
79
Engine Starts and Alternator Charges Battery
80
Alternator Charges Battery Excessively
80
Starter Removal and Installation
81
Starter Disassembly and Reassembly
82
Alternator Removal and Installation
84
Alternator Disassembly and Reassembly
84
Preheating System
85
Removal and Installation of Glow Plugs
85
Inspection and Adjustment
85
No-Load Test Circuit
85
Starter Troubleshooting Guide
86
Inspection after Disassembly
86
Brushes and Brush Springs
87
Pinion Gap Adjustment
87
No-Load Test
87
Regulator Voltage Test
88
Alternator Inspection after Disassembly
88
Checking Diodes
88
Checking Field Coil
88
Inspection of Brushes and Commutator
89
Checking Mica Insulation
89
Alternator and Regulator Inspection before Disassembly
89
Output Test on a Test Bench
89
Battery
90
Glow Plugs
90
Checking Armature
90
Checking Electrolyte Specific Gravity
90
Bench Test
91
Visual Inspection
91
Perfonnance Tests
91
Maintenance Standards
93
Sealant Application Data
106
Tightening Torque
107
General Bolts and Nuts
108
Special Service Tools
109
Troubleshooting
114

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Mitsubishi Heavy Industries 4DQ5 Service Manual (121 pages)

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