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214
M9961-03E090
1
2
3
4
5
6
7
...
213
214
3JH4(B)(C)(M)E
1
M9961-03E090
2
Printed in Japan
3
California
4
Proposition 65 Warning
4
FOR SAFTY
5
Well fitting !!
7
CONTENTS
11
1. GENERAL
17
1.2 Specifications
18
1. GENERAL
19
1.3 Engine Outline
20
1.4 Piping Diagrams
23
1.General
24
4 YDX M 1.64 D 3 N
25
1.5.2 Exhaust Gas Regulations
26
(a) Fuel injection nozzle
27
(b) Fuel injection pump
27
2. Inspection and Adjustment
28
2. Inspection and Adjustment
29
2.2.1 Check before starting
30
(4) Seawater outlet
31
(5) Check cooling water level
31
Sediment
33
119305-35150
34
Alternator
35
Set bolt
35
Belt adjuster
35
(Valve clearance)
36
(Normal) (Abnormal)
36
(Valve clearance adjustment)
36
(Fuel/water separator)
38
UPPER LEVEL
40
LOWER LEVEL
40
Battery charge measurement
41
(Hydrometer structure)
41
(How to read hydrometer)
41
(1) Drain the fuel tank
42
(2) Replace the fuel filter
42
3JH4E 3 1
44
Injection nozzle
48
Nozzle tester
48
Non-atomized spray
50
Stagnant spray
50
(b) Heat exchanger inspection
51
(Breather system component)
52
2.4 Sensor Inspection
54
2.5 Thermostat inspection
55
2.6 Adjusting Operation
56
2.7 Long storage
58
3. Troubleshooting
59
3. Troubleshooting
61
Compression
72
4. Disassembly and Reassembly
74
4.2.1 General Handtools
75
Local supply 1 set
76
H = Shaft type
77
S = Hole type
77
4.2.2 Special Handtools
78
(Local supply)
79
(Removing the coupling)
79
(Tool 1)
80
(Tool 2)
80
4.2.3 Measuring Instruments
81
4.2.4 Other material
82
[Notice]
84
4.2.5 Measuring Instruments
85
Revolving shaft
87
Reflection mark
87
4.3.1 Disassembly
88
(Removing intake silencer)
89
(Removing starting motor)
90
(Removing flywheel)
93
(28) Removing the idle gear
95
(29) Removing the camshaft
95
(Removing gear case flange)
96
(36) Removing the crankshaft
97
(37) Removing the tappets
97
4.3.2 Reassembly
98
(Main bearing cap)
99
(Piston ring)
100
(Ring joints)
100
(Camshaft side gap)
101
(Idle gear shaft)
102
(Gear train)
102
(Lube oil pump)
102
(18) Mounting the flywheel
103
(Head bolt tightening order)
104
(Fuel injection nozzle)
105
(Lube oil filter and cooler)
106
(Seawater pipe)
107
(38) Filling with lube oil
108
(41) Test Running
108
5.1 Cylinder Block
109
Plug dia. d D
110
12 19.9-12.0 20
110
30 29.9-30.0 40
110
50 49.5-50.0 60
110
(Cylinder bore)
111
5.2 Cylinder Head
112
Straight-edge
113
Thickness gage
113
(Valve lapping tool)
114
(Valve sink depth)
115
(Valve sink)
115
(4) Valve guide
116
5.2.4 Valve springs
117
5.2.6 Measuring top clearance
118
(Rocker arm hole diameter)
119
5.3 Piston and Piston Pins
120
5.3.2 Piston pin
121
5.3.3 Piston rings
121
(Measuring side clearance)
122
Joint of coil
123
5.4 Connecting Rod
124
5.4.2 Crank pin metal
125
Plastic gauge
126
Alignment mark (Punched mark)
126
Matching mark
126
5.4.3 Piston pin bushing
127
5.5.1 Crankshaft
128
(Crankshaft R machining)
129
(Side gap measurement 1)
130
(Side gap measurement 2)
130
5.5.2 Main bearing
131
5.6 Camshaft and Tappets
132
(Camshaft outside diameter)
133
(Camshaft bend)
133
5.6.2 Tappets
134
5.7 Timing Gear
135
5.8 Flywheel and Housing
136
6. FUEL INJECTION EQUIPMENT
138
(1) 3JH4(B)(C)E
139
(1) Component
141
6.1.9 Tools
147
6.2 Fuel Feed Pump
149
N•m(kgf•m)
150
(4) Valve contact/mounting
151
6.3 Fuel Filter
152
6.4 Fuel Tank
153
7. INTAKE AND EXHAUST SYSTEM
154
7.2 Exhaust System
156
8. LUBRICATION SYSTEM
157
8.2 Lube Oil Pump
158
(Outer diameter clearance)
159
(Side clearance)
159
8.3 Lube Oil Filter
160
8.4 Lube oil Cooler
160
8. LUBRICATION SYSTEM
161
9. Cooling Water System
162
(Fresh water pipe)
163
9.2 Seawater Pump
164
(Sea water pump)
165
9.3 Fresh Water Pump
166
9. Cooling Water System
167
9.4 Heat Exchanger
169
9.5.3 Pressure cap inspection
170
9.5.4 Replacing filler neck
171
Filler cap
172
Coolant recovery tank
172
9.6 Thermostat
173
9.7.1 Introduction
174
9.7.2 Description
175
9.7.3 Cautions
175
9.7.4 Assembly Procedure
176
(5) Attaching the hose
177
(6) Test operation
177
(7) Fixing the strainer
177
9.7.5 Cautions for Assembling
178
9.7.6 Troubleshooting
179
11. REMOTE CONTROL (OPTIONAL)
181
(2) Remote control cable
182
(1) Speed control
183
(KM35P marine gear)
184
(2) Throttle lever adjustment
186
(1) Shift lever adjustment
186
12. Electrical System
187
12.1.1 Wiring diagram
188
12.2 Battery
190
12.3 Starting Motor
191
12.3.3 Structure
192
(2) Structure
193
12.4.1 Specifications
194
12.4.2 Structure
195
12.4.3 Wiring diagram
196
12.4.5 Inspection
197
12.5.1 Specifications
198
12.5.2 Structure
199
12.5.3 Wiring diagram
200
12.6 Instrument Panel
201
12.7 Warning Devices
202
12.8 Air Heater (Optional)
205
Device (Optional)
206
13. SERVICE STANDARDS
207
13.2 Engine Body
208
(1) Camshaft
209
(3) Backlash of each gear
209
13.2.3 Cylinder block
210
(5) Connecting rod
211
(6) Tappet
211
13. SERVICE STANDARDS
212
14.1 Main Bolt and Nut
213
YANMAR CO,. LTD
214
YANMAR DIESEL AMERICA CORP
214
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