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Yanmar BY series Manuals
Manuals and User Guides for Yanmar BY series. We have
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Yanmar BY series manuals available for free PDF download: Service Manual, Installation Manual
Yanmar BY series Service Manual (248 pages)
MARINE ENGINES
Brand:
Yanmar
| Category:
Engine
| Size: 57 MB
Table of Contents
Table of Contents
3
Safety
13
Safety Precautions
14
General Service Information
19
Safety Precautions
21
Engine Outline Drawings
22
4BY2 (Inboard)
22
4BY2 (Stern Drive)
23
6BY2 (Inboard)
24
6BY2 (Stern Drive)
25
Engine Piping Diagrams
26
4By2
26
6By2
27
Location of Nameplates
29
Engine Nameplates (Typical)
29
Diesel Fuel
30
Diesel Fuel Specifications
30
Bleeding the Fuel System
32
Engine Oil
32
Engine Oil Specifications
32
Acceptable Engine Oil
34
Recommended Marine Gear or Stern Drive Oil
36
Recommended Power Steering Fluid
36
Engine Coolant
37
Engine Coolant Specifications
37
Acceptable Engine Coolant
38
Principal Engine Specifications
39
Tightening Torques for Standard Bolts and Nuts
41
Tightening Fasteners
41
Hexagon Bolts and Nuts
41
Hose Clamps
41
Prepare Engine for Long-Term Storage
42
Abbreviations and Symbols
43
Abbreviations
43
Symbols
43
Unit Conversions
44
Unit Prefixes
44
Units of Length
44
Units of Volume
44
Units of Mass
44
Units of Force
44
Units of Torque
44
Units of Pressure
44
Units of Power
44
Units of Temperature
44
Periodic Maintenance
45
Safety Precautions
47
Introduction
47
The Importance of Periodic Maintenance
47
Performing Periodic Maintenance
47
Yanmar Replacement Parts
47
Required EPA Maintenance
47
EPA Requirements
47
Conditions to Ensure Compliance with EPA Emission Standards
47
Inspection and Maintenance
48
Periodic Maintenance Schedule
49
Periodic Maintenance Procedures
53
After Initial 50 Hours of Operation
53
Every 50 Hours of Operation
54
Every 250 Hours of Operation
55
Every 500 Hours of Operation
59
Every 1000 Hours of Operation
61
Every 2000 Hours of Operation
61
Engine
63
Safety Precautions
65
Introduction
65
Specifications
66
General Information
66
Test and Adjustment Specifications
66
Repair Specifications
67
Special Torque Chart
70
Special Service Tools
73
Measuring Instruments
74
Sealants and Compounds
75
Tests and Adjustments
76
Test Compression
76
Repair
77
Cylinder Head
78
Cylinder Head Components
78
General Guidelines
79
Remove and Install Cylinder Head Cover
79
Remove and Install Glow Plugs
81
Remove Cylinder Head
81
Disassemble Cylinder Head
84
Clean Cylinder Head Components
86
Pressure Test the Cylinder Head
86
Inspect Cylinder Head Components
86
Replace Valve Stem Seals
87
Assemble Cylinder Head
88
Determine Cylinder Head Gasket Thickness
88
Install Cylinder Head
89
Pistons and Cylinders
93
Remove and Disassemble Piston and Connecting Rod
93
Inspect Pistons and Piston Rings
94
Assemble Piston and Connecting Rod
95
Install Piston and Connecting Rod
96
Flywheel and Flywheel Housing
99
Remove and Install Flywheel Housing
99
Remove and Install Drive Coupling
100
Remove Flywheel
101
Replace Rear Crankshaft Seal
102
Install Flywheel
103
Camshaft and Timing Gear Train
104
Components
104
Check and Adjust Camshaft Timing
106
Remove and Install Vibration Damper - 4BY2
108
Remove and Install Vibration Damper - 6BY2
109
Remove Timing Case Cover
110
Remove and Install Timing Chain
111
Install Timing Case Cover
111
Remove and Install Timing Chain Tensioner
112
Remove Camshafts
113
Install Camshafts
116
Cylinder Block and Crankshaft
118
Components
118
Remove Crankshaft
120
Measure Oil Clearance
121
Inspect Crankshaft
123
Inspect Cylinder Block
124
Install Crankshaft
124
Replace Front Crankshaft Seal
126
Intake Manifold
128
Remove
128
Install
129
Exhaust Manifold
131
Remove
131
Install
131
Fuel System
135
Safety Precautions
135
Introduction
135
Specifications
136
Test and Adjustment Specifications
136
Special Torque Chart
136
Special Service Tools
137
Fuel System Components
138
4BY2 Engines
138
6BY2 Engines
138
Fuel Flow Diagram
139
Tests and Adjustments
141
Measure Fuel Feed Pump Pressure
141
Test Return Fuel Pressure
142
Repair
143
Remove Fuel Injector
143
Clean Fuel Injector Cavities
144
Install Fuel Injector
145
Remove and Install High-Pressure Fuel Lines
146
Replace the Fuel Feed Pump
147
Replace High-Pressure Fuel Pump
147
Replace Fuel Filters
151
Remove and Install Fuel Rail
152
Replace Injector Return Fuel Line
153
Bleed the Fuel System
154
Cooling System
155
Safety Precautions
157
Introduction
158
Specifications
158
Test and Adjustment Specifications
158
Repair Specifications
158
Special Torque Chart
158
Special Service Tools
159
Measuring Instruments
159
Cooling Flow Diagram
160
Tests and Adjustments
161
Pressure Test Cooling System and Filler Cap
161
Test Thermostat
162
Repair
162
Drain and Refill Seawater Cooling System
162
Check and Replace Anodes
163
Drain and Fill Closed Cooling System
164
Disconnect and Connect Quick-Connect Fittings
165
Remove and Install Hydraulic Oil Cooler
165
Inspect and Clean Hydraulic Oil Cooler
166
Remove and Install Charge Air Cooler
166
Disassemble and Assemble Charge Air Cooler
167
Remove and Install Heat Exchanger
167
Disassemble and Assemble Heat Exchanger
168
Remove and Install Coolant Pump
169
Remove and Install Thermostat
170
Seawater Pump
172
Lubrication
175
Safety Precautions
177
Introduction
177
Specifications
178
Test and Adjustment Specifications
178
Special Torque Chart
178
Special Service Tools
179
Measuring Instruments
179
Tests and Adjustments
180
Engine Oil Flow
180
Check Engine Oil Pressure
181
Repair
182
Engine Lubrication System Components
182
Change Engine Oil and Replace Engine Oil Filter Element
183
Remove and Install Oil Cooler
183
Remove and Install Oil Filter Housing
185
Remove and Install Oil Sump
185
Oil Pump
186
Turbocharger
187
Safety Precautions
189
Introduction
189
Specifications
189
Test and Adjustment Specifications
189
Special Torque Chart
189
Special Service Tools
190
Sealants and Compounds
190
Tests and Adjustments
191
Measure Charge Pressure
191
Repair
192
Remove Turbocharger
192
Install Turbocharger
192
Starter Motor
195
Safety Precautions
197
Introduction
197
Starter Motor Specifications
197
General Specifications
197
Special Torque Chart
197
Starter Motor Troubleshooting
198
Remove and Install Starter Motor
199
Alternator
203
Safety Precautions
203
Introduction
204
Specifications
204
General Specifications
204
Special Torque Chart
204
Repair
205
Replace Alternator Belt
205
Remove and Install Alternator
205
Remove and Install Alternator Belt Tensioner
206
Electrical and ECU
207
Safety Precautions
209
Introduction
209
Specifications
209
Special Torque Chart
209
Function Description - Engine Management System
210
Component Locations
210
Electrical Panel Connector (X1) Connections
214
Engine Control Unit (ECU) Assignments
216
Component Tests
218
Relays
218
Oil Pressure Sensor
220
Fuel Injector
220
Engine Coolant Temperature Sensor
221
High-Pressure Fuel Regulator
221
Water-In-Fuel Sensor
222
Crankshaft Speed Sensor
222
Glow Plug / Control Unit
223
Fuel Temperature Sensor
224
Fuel Volume Regulator
224
Charge Air Temperature Sensor
225
Charge Air Pressure Sensor
225
High-Pressure Fuel Rail Pressure Sensor
226
Camshaft Speed Sensor
226
Throttle Position Sensor
227
Repair
228
Replace Engine Control Unit (ECU)
228
Replace Coolant Temperature Sensor
228
Replace Charge Air Pressure Sensor
229
Replace Charge Air Temperature Sensor
229
Replace Crankshaft Sensor
230
Replace Camshaft Sensor
230
Replace High-Pressure Fuel Regulator
231
Replace High-Pressure Fuel Rail Pressure Sensor
232
Replace Fuel Temperature Sensor
232
Replace Fuel Volume Regulator
233
Replace Oil Pressure Sensor
233
Troubleshooting
235
Safety Precautions
237
Introduction
237
Engine Faults and Torque Limitations
237
Torque Limitation for Failed Sensors Mode
237
Torque Limitation for Smoke Limitation Mode
237
Torque Limitation for Overheat Protection Mode
239
Troubleshooting Chart
240
Starting Trouble
240
Exhaust Color
240
Vibration - Drive Disengaged
241
Vibration - Drive Engaged
241
Engine Knocks
242
Low Power Output
242
Engine Overheat
242
Engine Runs Cold
243
Coolant Loss
243
Helm Panel Display
243
Trouble Codes
244
Working Procedure
244
Diagnostic Trouble Codes
244
After Troubleshooting or Repair
248
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Yanmar BY series Service Manual (275 pages)
Brand:
Yanmar
| Category:
Engine
| Size: 22 MB
Table of Contents
General Service Information
22
Table of Contents
22
Engine Outline Drawings
24
4BY - Inboard Version (Borg Warner Flange)
24
4BY - Stern Drive Version
25
6BY - Inboard Version (Borg Warner Flange)
26
6BY - Stern Drive Version
27
Engine Piping Diagrams
28
Location of Labels
30
Engine Nameplates (Typical)
30
Diesel Fuel
31
Diesel Fuel Specifications
31
Bleeding the Fuel System
32
Engine Oil
32
Engine Oil Specifications
32
Recommended Engine Oil
33
Recommended Marine Gear or Stern Drive Oil
35
Recommended Power Steering Fluid
35
Engine Coolant
36
Engine Coolant Specifications
36
Recommended Engine Coolant
37
Principal Engine Specifications
38
Tightening Torques for Standard Bolts and Nuts
40
Tightening Fasteners
40
Hexagon Bolts and Nuts
40
Hose Clamps
40
Abbreviations and Symbols
41
Abbreviations
41
Symbols
41
Periodic Maintenance
44
Before You Begin Servicing
45
EPA Requirements
49
Conditions to Ensure Compliance with EPA Emission Standards
49
Inspection and Maintenance
50
Introduction
49
The Importance of Periodic Maintenance
49
Performing Periodic Maintenance
49
Yanmar Replacement Parts
49
Required EPA Maintenance
49
Periodic Maintenance Schedule
51
Periodic Maintenance Procedures
54
After Initial 50 Hours of Operation
54
Every 50 Hours of Operation
54
Every 250 Hours of Operation
54
Every 500 Hours of Operation
54
Engine
56
Before You Begin Servicing
58
Introduction
62
Specifications
62
General Information
62
Test and Adjustment Specifications
62
Repair Specifications
63
Special Torque Chart
66
Special Service Tools
69
Measuring Instruments
70
Tests and Adjustments
72
Testing Compression
72
Repair
73
Cylinder Head
74
Cylinder Head Components
74
General Guidelines
75
Remove and Install Cylinder Head Cover
75
Remove and Install Glow Plugs
77
Removal of Cylinder Head
78
Disassembly of Cylinder Head
81
Cleaning Cylinder Head Components
83
Pressure Testing Cylinder Head
83
Inspection of Cylinder Head Components
83
Replacing Valve Stem Seals
84
Assembly of Cylinder Head
85
Determining Cylinder Head Gasket Thickness
86
Installation of Cylinder Head
87
Pistons and Cylinders
91
Removal and Disassembly of Piston and Connecting Rod
91
Inspection of Pistons and Piston Rings
92
Assembling Piston and Connecting Rod
93
Installation of Piston and Connecting Rod
94
Flywheel and Flywheel Housing
97
Remove and Install Flywheel Housing
97
Remove and Install Drive Coupling
97
Removal of Flywheel
99
Replacement of Rear Crankshaft Seal
99
Installation of Flywheel
100
Camshaft and Timing Gear Train
101
Components
101
Checking and Adjusting Camshaft Timing
103
Removing and Installing Vibration Damper - 4BY
105
Removing and Installing Vibration Damper - 6BY
106
Removing Timing Case Cover
107
Removing and Installing Timing Chain
107
Installing Timing Case Cover
108
Removing and Installing Timing Chain Tensioner
109
Removal of Camshafts
109
Installation of Camshafts
112
Cylinder Block and Crankshaft
115
Components
115
Removal of Crankshaft
117
Measuring Oil Clearance
118
Inspection of Crankshaft
119
Inspection of Cylinder Block
121
Crankshaft Installation
121
Replacing Front Crankshaft Seal
123
Intake Manifold
125
Removal
125
Installation
126
Exhaust Manifold
127
Remove
127
Install
127
Attaching Engine to Repair Stand
128
Fuel System
130
Before You Begin Servicing
132
Introduction
135
Specifications
135
Test and Adjustment Specifications
135
Special Service Tools
137
Fuel System Components
138
4BY Engines
138
Fuel Flow Diagram
139
Tests and Adjustments
140
Measuring Fuel Feed Pump Pressure
140
Testing Return Fuel Pressure
141
Repair
142
Removal of Fuel Injector
142
Cleaning Fuel Injector Cavities
143
Installation of Fuel Injector
145
Removing and Installing High-Pressure Fuel Lines
146
Replacing the Fuel Feed Pump
148
Replacing High-Pressure Fuel Pump
149
Replacing Fuel Filters
153
Removing and Installing Fuel Rail
156
Replacing Injector Return Fuel Line
157
Bleeding the Fuel System
158
Cooling System
160
Before You Begin Servicing
162
Introduction
164
Specifications
164
Test and Adjustment Specifications
164
Special Torque Chart
164
Special Service Tools
165
Cooling Flow Diagram
166
Tests and Adjustments
167
Pressure Testing Cooling System and Filler Cap
167
Testing Thermostat
168
Repair
169
Prepare Engine for Long-Term Storage
169
Drain Seawater Cooling System
169
Check and Replace Zinc Anodes
170
Draining and Filling Closed Cooling System
171
Disconnect and Connect Quick-Connect Fittings
172
Remove and Install Hydraulic Oil Cooler
172
Inspect and Clean Hydraulic Oil Cooler
173
Remove and Install Charge Air Cooler
173
Disassemble and Assemble Charge Air Cooler
174
Remove and Install Heat Exchanger
175
Disassemble and Assemble Heat Exchanger
175
Remove and Install Coolant Pump
176
Remove and Install Thermostat
178
Seawater Pump
179
Lubrication
182
Before You Begin Servicing
184
Introduction
187
Specifications
187
Test and Adjustment Specifications
187
Special Torque Chart
187
Measuring Instruments
188
Special Service Tools
188
Tests and Adjustments
189
Engine Oil Flow
189
Checking Engine Oil Pressure
190
Repair
192
Engine Lubrication System Components
192
Replace Engine Oil and Engine Oil Filter Element
193
Remove and Install Oil Cooler
195
Remove and Install Oil Filter Housing
196
Remove and Install Oil Sump
197
Oil Pump
198
Turbocharger
200
Before You Begin Servicing
202
Introduction
204
Specifications
204
Test and Adjustment Specifications
204
Special Torque Chart
204
Special Service Tools
205
Tests and Adjustments
206
Measuring Charge Pressure
206
Adjusting Charge Pressure - 4BY
207
Repair
208
Turbocharger Removal
208
Turbocharger Installation
209
Alternator
220
Before You Begin Servicing
222
Introduction
224
Specifications
224
General Specifications
224
Special Torque Chart
224
Repair
225
Replace Alternator Belt
225
Remove and Install Alternator
226
Remove and Install Alternator Belt Tensioner
226
Electrical and Ecu
228
Before You Begin Servicing
230
Introduction
232
Specifications
232
Special Torque Chart
232
Function Description - Engine Management System
233
Component Locations
233
Electrical Panel Connector (X1) Connections
238
Component Tests
241
Relays
241
Oil Pressure Sensor
243
Fuel Injector
243
Engine Coolant Temperature Sensor
244
Fuel Rail Pressure Control Valve
244
Water-In-Fuel Sensor
245
Crankshaft Speed Sensor
245
Glow Plug / Control Unit
246
Fuel Temperature Sensor
247
Fuel Volume Regulator
248
Charge Air Temperature Sensor
248
Charge Air Pressure Sensor
249
Fuel Rail Pressure Sensor
249
Camshaft Speed Sensor
250
Throttle Position Sensor
250
Repair
252
Replace Coolant Temperature Sensor
252
Replacing Engine Control Unit (ECU)
252
Replacing Charge Air Pressure Sensor
253
Replacing Charge Air Temperature Sensor
253
Replacing Camshaft Sensor
254
Replacing Crankshaft Sensor
254
Replacing High-Pressure Fuel Control Valve
255
Replacing High-Pressure Fuel Sensor
256
Replacing Fuel Temperature Sensor
258
Replacing Fuel Volume Regulator
259
Remove and Install Oil Pressure Sensor
260
Troubleshooting
262
Engine Faults and Torque Limitations
264
Torque Limitation for Failed Sensors
264
Torque Limitation for Smoke Limitation
264
Torque Limitation for Overheat Protection
266
Introduction
264
Troubleshooting Chart
267
Starting Trouble
267
Exhaust Color
267
Vibration - Drive Disengaged
268
Vibration - Drive Engaged
268
Engine Knocks
269
Low Power Output
269
Engine Overheat
269
Engine Runs Cold
270
Coolant Loss
270
Helm Panel Display
270
Trouble Codes
271
Working Procedure
271
Diagnostic Trouble Codes
271
After Troubleshooting or Repair
275
Yanmar BY series Installation Manual (33 pages)
Electronic Control System
Brand:
Yanmar
| Category:
Engine
| Size: 1 MB
Table of Contents
Table of Contents
4
Components
5
Installation
7
Route The Engine Harness
7
Route The Shift Cable
8
Install Battery Switch And Engine Breaker
9
Install The Engine
10
Connect The Items In The Engine Area
10
Install The Shifter
11
Install The Helm Components
11
Install The Tachometer
12
Checkout and Operation
13
Start The Engine
13
Move The Boat
13
Shut Down
13
Tachometer Display
13
Operation
14
Tachometer Menu Structure
14
Warning Light
17
Engine Status Information
17
3" Gauge (Tachometer) With Key Cut
18
Templates
18
3" Gauge (Tachometer) Without Key Cut
20
2" Gauge With Key Cut
22
2" Gauge Without Key Cut
22
Ch18000 Top Mount
24
Ch18000 Side Mount
26
Key Switch Panel - CP19400
28
Appendix A: Analog Gauges
30
Appendix B: Gauge Measurements
31
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