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S4S-DT
User Manuals: Mitsubishi Heavy Industries S4S-DT Engine
Manuals and User Guides for Mitsubishi Heavy Industries S4S-DT Engine. We have
1
Mitsubishi Heavy Industries S4S-DT Engine manual available for free PDF download: Service Manual
Mitsubishi Heavy Industries S4S-DT Service Manual (220 pages)
Brand:
Mitsubishi Heavy Industries
| Category:
Engine
| Size: 8 MB
Table of Contents
General Contents
15
Table of Contents
15
General
17
External View (In-Line Fuel Injection Pump and Distributor-Type Fuel Injection Pump)
18
S4S In-Line
18
Fuel Injection Pump Specification
20
S4S Distributor-Type Fuel Injection Pump Specification
20
S4S-DT Distributor-Type Fuel Injection Pump Specification
21
System Flow Diagrams
22
Fuel System - Flow Diagram
22
S4S In-Line Fuel Injection Pump (Swirl Chamber) Specification
22
S4S-DT In-Line Fuel Injection Pump (Direct Injection) Specification
22
S4S Distributor-Type Fuel Injection Pump (Swirl Chamber) Specification
23
S4S-DT Distributor-Type
23
Fuel Injection Pump
23
Lubrication System - Flow Diagram
24
S4S In-Line
24
Fuel Injection Pump Specification
24
S4S-DT In-Line Fuel Injection Pump Specification
24
S4S Distributor-Type Fuel Injection Pump Specification
25
S4S-DT Distributor-Type Fuel Injection Pump Specification
25
Cooling System - Flow Diagram
26
S4S
26
S4S-Dt
26
Inlet and Exhaust System - Flow Diagram
27
Non-Turbocharged Engine
27
Turbocharged Engine
27
Engine Serial Number Location
28
Main Specifications
29
S4S In-Line
29
Fuel Injection Pump Specification
29
Varies Depending on the Specification)
30
S4S Distributor-Type Fuel Injection Pump Specification (Varies Depending on the Specification)
32
Tips on Disassembling and Reassembling
35
Disassembling
35
Reassembling
35
Service Data
37
1 Maintenance Service Data
38
General
38
Basic Engine
39
Cooling System
43
Fuel System
43
Lubrication System
43
Electrical System
44
Inlet and Exhaust System
44
Basic Engine
45
Fuel System
45
Major Bolt Tightening Torque
45
2 Tightening Torque Table
45
Cooling System
46
Electrical System
46
Inlet and Exhaust Systems
46
Lubrication System
46
Metric Automobile Screw Thread
47
Metric Course Screw Thread
47
Standard Bolt and Nut Tightening Torque
47
Standard Stud Tightening Torque
47
Service Tools
49
Determination of Overhaul
53
Determining Overhaul Timing
54
Testing Compression Pressure
55
Disassembly of Basic Engine
57
1 Disassembling and Inspecting Cylinder Head and Valve Mechanism
58
Disassembling Rocker Shaft Assembly
59
Removing Cylinder Head Bolt
59
Removing Rocker Shaft Assembly
59
Removing Cylinder Head Assembly
60
Removing Valve and Valve Spring
60
Removing Valve Stem Seal
60
2 Disassembling and Inspecting Flywheel
61
Removing Flywheel
62
Removing Flywheel Housing
62
3 Disassembling and Inspecting Gear Case, Timing Gear and Camshaft
63
Removing Crankshaft Pulley
64
Removing Cover
64
Removing Timing Gear Case
64
Measuring Timing Gear Backlash
65
Measuring Idler Gear and Camshaft Gear End Play
65
Removing Fuel Injection Pump
65
Removing Oil Pan
66
Removing Oil Strainer
66
Removing Oil Pump Gear
66
Removing Idler Gear
67
Removing Camshaft
67
Separating Camshaft Gear
67
Installing Camshaft Gear and Thrust Plate
68
Removing Front Plate
68
Removing Oil Pump
68
4 Disassembling and Inspecting Piston, Connecting Rod, Crankshaft and Crankcase
69
Removing Connecting Rod Cap
70
Removing Carbon Deposits from the Upper Part of Cylinder
70
Pulling out Piston
70
Removing Piston Ring
71
Removing Piston Pin and Piston
71
Removing Main Bearing Cap
71
Removing Crankshaft
72
Removing Tappet
72
Inspection and Repair of Basic Engine
73
1 Inspecting and Repairing Cylinder Head and Valve Mechanism
74
Measuring Clearance between Rocker Bushing and Rocker Shaft
74
Measuring Valve Stem Outside Diameter and Valve Guide Inside Diameter
74
Replacing Valve Guide
75
Inspecting Valve Face
76
Refacing Valve Face
76
Refacing Valve Seat
77
Replacing Valve Seat
78
Lapping Valve and Valve Seat
79
Measuring Perpendicularity and Free Length of Valve Spring
79
Measuring Distortion of the Bottom Surface of the Cylinder Head
80
Measuring Pushrod Runout
80
Removing Combustion Jet
81
2 Inspecting and Repairing Flywheel
82
Measuring Flatness of Flywheel
82
Measuring Flywheel Face and Radial Runouts
82
Inspecting Ring Gear
82
Replacing Ring Gear
82
Removing Ring Gear
82
Installing Ring Gear
82
3 Inspecting and Repairing Timing Gear and Camshaft
83
Measuring Timing Gear Backlash
83
Measuring Idler Gear and Camshaft Gear End Play
83
Measuring Cam Lift
83
Measuring Camshaft Runout
84
Measuring Camshaft Journal Outside Diameter
84
Measuring Camshaft Hole (Bushing) Inside Diameter
84
Replacing Camshaft Bushing
85
Removing Camshaft Bushing
85
Installing Camshaft Bushing
85
Measuring Idler Bushing Inside Diameter and Idler Shaft Outside Diameter
85
Replacing Idler Shaft
86
Measuring Clearance between Tappet and Tappet Guide Hole
86
Inspecting Tappet
86
Contact Surface of Camshaft
86
Contact Surface of Pushrod
86
Inspecting V-Belt Groove Wear
87
4 Inspecting and Repairing Piston, Connecting Rod, Crankshaft and Crankcase
88
Measuring Crankcase Top Surface Distortion
88
Measuring Cylinder Inside Diameter
89
Measuring Piston Outside Diameter
90
Measuring Piston Ring End Gap
90
Measuring Clearance between Piston Ring Groove and Piston Ring
91
Measuring Piston Pin Bore Diameter and Piston Pin Outside Diameter
91
Measuring Piston Protrusion
92
Measuring Clearance between Connecting Rod Bearing and Crankpin
93
Measuring Clearance between Connecting Rod Bushing and Piston Pin
93
Replacing Connecting Rod Bushing
94
Inspecting Connecting Rod Bend and Twist6-22
94
Inspecting Connecting Rod Bearing
95
Measuring Connecting Rod End Play
95
Weight Difference of Connecting Rod Assembly
95
Measuring Crankshaft Journal Outside Diameter
96
Measuring Crankshaft Crankpin Outside Diameter
96
Grinding Crankshaft
97
Measuring Crankshaft End Play
98
Measuring Crankshaft Runout
98
Replacing Crankshaft Gear
99
Removing Crankshaft Gear
99
Installing Crankshaft Gear
99
Inspecting Oil Seal Contact Surface
99
Installing Oil Seal Sleeve
100
Removing Oil Seal Sleeve
100
Inspecting Main Bearing Surface
101
Measuring Clearance between Main Bearing and Crankshaft Journal
101
Reassembly of Basic Engine
103
1 Reassembling Piston, Connecting Rod, Crankshaft and Crankcase
104
Installing Main Bearing
104
Installing Thrust Plate
104
Installing Tappet
104
Installing Crankshaft
104
Installing Main Bearing Caps
105
Inserting Side Seal
105
Installing Main Bearing Cap Bolt
105
Measuring Crankshaft End Play
106
Reassembling Piston and Connecting Rod
106
Installing Piston Ring
107
Preparation for Installing Pistons
107
Installing Connecting Rod Bolt and Connecting Rod Bearing
108
Installing Pistons
108
Installing Connecting Rod Cap
109
2 Reassembling Timing Gear and Camshaft
110
Installing Oil Pump
110
Installing Front Plate
110
Installing Camshaft Gear and Thrust Plate
111
Installing Camshaft
111
Installing Idler Gear
111
Installing Oil Pump Gear
112
Installing Fuel Injection Pump
112
Inspecting and Adjusting Timing Gear after Installation
112
Inspecting Backlash and End Play
112
Installing Front Oil Seal
113
Installing Timing Gear Case
113
Installing Oil Strainer
113
Installing Oil Pan
114
Installing Cover
115
Installing Crankshaft Pulley
115
3 Reassembling Flywheel
116
Installing Oil Seal
116
Installing Flywheel Housing
116
Installing Flywheel
116
4 Reassembling Cylinder Head and Valve Mechanism
117
Cleaning Cylinder Head Bottom Surface
117
Installing Valve Stem Seal
117
Installing Valve and Valve Spring
117
Installing Cylinder Head Gasket
118
Installing Cylinder Head Assembly
118
Tightening Cylinder Head Bolts
118
Inserting Pushrod
119
Reassembling Rocker Shaft Assembly
119
Installing Rocker Shaft Assembly
119
Determining Top Dead Center of No.1 Cylinder Compression Stroke
120
Adjusting Valve Clearance
120
Installing Rocker Cover
121
Fuel System
123
1 Removing Fuel System
124
Removing Fuel Filter and Fuel Pipe
124
Removing Fuel Injection Pipe, Fuel Leak-Off Pipe and Fuel Injection Nozzle
125
Removing Fuel Injection Pipe, Fuel Leak-Off Pipe and Fuel Injection Nozzle (In-Line Type Fuel Injection Pump)
125
Removing Fuel Injection Pipe, Fuel Leak-Off Pipe and Fuel Injection Nozzle (Distributor-Type Fuel Injection Pump)
126
Removing Fuel Injection Pump
127
2 Disassembling, Inspecting and Reassembling Fuel System
128
Disassembling and Inspecting Fuel Filter (In-Line Type Fuel Injection Pump)
128
Disassembling and Inspecting Fuel Filter
129
Changing Fuel Filter
130
Disassembling and Inspecting Fuel Injection Nozzle (Swirl Chamber Type)
131
Disassembling and Inspecting Fuel Injection Nozzle (Direct Injection Type)
132
Inspecting and Adjusting Fuel Injection Valve Opening Pressure
133
Inspecting Fuel Spray Pattern of Fuel Injection Nozzle
133
Cleaning and Inspecting Nozzle Tip
134
Reassembling Fuel Injection Nozzle (Swirl Chamber Type)
135
Reassembling Fuel Injection Nozzle (Direct Injection Type)
136
Inspecting and Cleaning Gauze Filter of Distribute Type Fuel Injection Pump (Bosch)
137
3 Installing Fuel System
138
Installing Fuel Injection Pump
138
Checking Fuel Injection Timing (In-Line Fuel Injection Pump Type)
139
Determining Top Dead Center of No.1 Cylinder Compression Stroke
139
Checking Fuel Injection Timing
139
Inspecting Fuel Injection Timing (Distributor-Type Fuel Injection Pump)
140
Inspecting Fuel Injection Timing
140
Installing Fuel Injection Pipe, Fuel Leak-Off Pipe and Fuel Injection Nozzle8-21
143
Installing Fuel Injection Pipe, Fuel Leak-Off Pipe and Fuel Injection Nozzle (In-Line Type Fuel Injection Pump)
143
Installing Fuel Injection Pipe, Fuel Leak-Off Pipe and Fuel Injection Nozzle (Distributor-Type Fuel Injection Pump)
144
Installing Fuel Filter and Fuel Pipe
145
Lubrication System
147
1 Removing Lubrication System
148
Removing Oil Filter and Relief Valve
148
Removing Oil Cooler
149
Removing Oil Pump, Oil Pan and Oil Strainer9-4
150
2 Disassembling, Inspecting and Reassembling Lubrication System
151
Disassembling and Inspecting Oil Pump
151
Inspecting Oil Pump
152
Measuring Clearance between Outer Rotor and Inner Rotor
152
Measuring End Play of Rotor and Pump Case9-6
152
Measuring Clearance between Outer Rotor and Pump Case
152
Measuring Clearance between Main Shaft and Pump Case
153
Measuring Clearance between Main Shaft and Bushing
153
Installing Oil Pump Bushing
153
Reassembling Oil Pump
154
Disassembling and Inspecting Oil Cooler
155
Inspecting Oil Filter
156
Inspecting Relief Valve
157
Inspecting Safety Valve (for the Engine with Oil Cooler)
157
3 Installing Lubrication System
158
Installing Oil Pump, Oil Pan and Oil Strainer9-12
158
Installing Oil Cooler
159
Installing Oil Filter and Relief Valve
160
Cooling System
161
1 Removing Cooling System
162
Removing Cooling Fan, Fan Pulley and V-Belt
162
Removing Thermostat
163
Removing Water Pump
164
2 Disassembling, Inspecting and Reassembling Cooling System
165
Disassembling and Inspecting Thermostat10-5
165
Inspecting Thermostat
166
Disassembling Water Pump
167
Inspecting Water Pump
167
3 Installing Cooling System
168
Installing Water Pump
168
Installing Thermostat
169
Installing Cooling Fan, Fan Pulley and V-Belt
170
Inlet and Exhaust Systems
171
1 Removing Turbocharger, Inlet and Exhaust Systems
172
Removing Turbocharger
172
Removing Inlet Manifold
173
Removing Exhaust Manifold
174
2 Disassembling, Inspecting and Reassembling Inlet and Exhaust Systems
175
Measuring Exhaust Manifold Distortion
175
3 Installing Turbocharger, Inlet and Exhaust Systems
176
Installing Exhaust Manifold
176
Installing Inlet Manifold
177
Installing Turbocharger
178
Electrical System
179
1 Removing Electrical System
180
Removing Starter
180
Inspection before Removing Alternator
181
Inspecting Alternator Operation
181
Handling Precaution
181
Removing Alternator (12V-50A)
182
Removing Alternator (12V-75A, Option)
183
Removing Glow Plug
184
2 Disassembling, Inspecting and Reassembling Electrical System
185
Inspection before Disassembling Starter
185
Inspecting Magnetic Switch
185
No Load Test
186
Disassembling and Inspecting Starter
187
Removing Pinion Set
188
Removing Magnetic Switch
189
Removing Rear Bracket
189
Removing Armature and Yoke
189
Removing Overrunning Clutch
189
Inspecting and Repairing Starter
190
Inspecting Brushes for Wear
190
Measuring Brush Spring Load
190
Inspecting Brush Holder for Insulation
190
Measuring Commutator Radial Runout
190
Measuring Commutator Outside Diameter12-13
191
Measuring Undercut Depth
191
Checking Armature Coil
191
Inspecting Field Coil
192
Inspecting Rear Bracket
192
Inspecting Overrunning Clutch
192
Inspecting Front Bracket
192
Inspecting Gears of Starter
192
Inspecting Magnetic Switch
193
Reassembling Starter
194
Installing Gear Shaft
194
Disassembling and Inspecting Alternator12-17
195
Separating Front Bracket from Stator
196
Removing Pulley
196
Removing Rear Bearing
196
Removing Front Bearing
196
Removing Stator
197
Removing Regulator Assembly
197
Removing Rectifier Assembly
197
Inspecting and Repairing Alternator
198
Inspecting Rectifier
198
Inspecting Rotor Assembly
198
Inspecting Stator
199
Inspecting Brushes for Wear
199
Replacing Brushes
200
Reassembling Alternator
201
Installing Rectifier Assembly and Regulator Assembly
201
Installing Stator
202
Installing Front Bearing
202
Installing Rear Bearing
202
Installing Pulley
202
Assembling Stator and Front Bracket
203
Heating Test of Glow Plug
204
Inspecting Air Heater
204
Inspecting Magnetic Valve (Stop Solenoid, Distributor-Type)
205
Continuity Test of Magnetic Valve
205
Inspecting Magnetic Valve (Stop Solenoid) Operation
205
Installing Magnetic Valve (Stop Solenoid)12-27
205
Installing Stop Solenoid (RUN-ON Type, for In-Line Pump Type)
206
3 Installing Electrical System
207
Installing Glow Plug
207
Installing Alternator (12V-50A)
208
Installing Alternator (12V-75A, Option)
209
Installing Starter
210
Adjustment and Operation
211
1 Adjusting Engine
212
Inspecting and Adjusting Valve Clearance13-2
212
Inspecting Valve Clearance
212
Adjusting Valve Clearance
212
Draining Fuel Filter
213
Draining Fuel System
213
Bleeding Fuel Filter
214
(Distributor-Type Fuel Injection Pump)
215
Bleeding Fuel Filter (In-Line Fuel Injection Pump)
214
Bleeding Fuel Injection Pump
214
(In-Line Fuel Injection Pump)
214
Bleeding Fuel System
214
Adjusting V-Belt Tension
216
Inspecting V-Belt
216
Inspecting V-Belt and Adjusting V-Belt Tension
216
2 Break-In Operation
217
Starting up
217
Break-In Operation Time
217
Inspection and Adjustment after Break-In
217
Operation
217
3 Performance Test (JIS Standard)
218
Engine Equipment Condition
218
Test Items and Purposes
218
Operation Load Test
218
Continuous Load Test
218
Low Idle Test
218
Other Inspections
218
Engine Output Adjustment
218
Standard Atmospheric Conditions
218
Calculation of Corrected Power
219
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