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140-3 Series
Komatsu 140-3 Series Manuals
Manuals and User Guides for Komatsu 140-3 Series. We have
1
Komatsu 140-3 Series manual available for free PDF download: Shop Manual
Komatsu 140-3 Series Shop Manual (376 pages)
Brand:
Komatsu
| Category:
Engine
| Size: 86.83 MB
Table of Contents
Table of Contents
2
General
27
Outline
28
Specifications
36
Overall Drawing
38
Weight Table
46
Engine Performance Curve
48
Structure and Function, Maintenance Standard
59
11 Structure and Function
59
Maintenance Standard
59
Intake, Exhaust Equipment
60
Air Cleaner
72
Turbocharger
76
Aftercooler
80
Cylinder Head
82
Cylinder Block
86
Cylinder Liner
89
Main Moving Parts
90
Crankshaft
92
Camshaft
93
Cam Follower and Push Rod
94
Piston Piston Ring Piston Pin
96
Connecting Rod
98
Flywheel, Flywheel Housing
99
Vibration Damper
101
Timing Gear
102
Valve System
106
Valve, Valve Guide
108
Rocker Arm and Shaft
110
Crosshead and Guide
111
Lubrication System
112
Lubrication System Diagram
112
Oil Pump
113
Oil Filter
116
Oil Cooler
117
Fuel System
120
Fuel System Diagram
120
Outline of Cri System
121
Fuel Piping
134
Fuel Cooler
136
Fuel Filter
137
Cooling System Diagram
138
Water Pump
142
Thermostat
145
Corrosion Resistor
147
Cooling Fan Drive
149
Front Pto
162
Air Compressor
165
Exhaust Brake
168
Alternator
173
Starting Motor
180
Starting Aid
182
Testing and Adjusting
185
Standard Value Table for Testing, Adjusting, and Troubleshooting
186
Standard Value Table for Electrical Related Parts
192
Tools for Testing, Adjusting, and Troubleshooting
194
Measuring Exhaust Temperature
195
Measuring Intake Air Pressure (Boost Pressure)
195
Adjusting Valve Clearance
196
Measuring Compression Pressure
197
Measuring Blow-By Pressure
198
Handling Equipment in Fuel Circuit
199
Measuring Oil Pressure
199
Measuring Fuel Pressure
200
Releasing Remaining Pressure in Fuel System
200
Reduced Cylinder Mode Operation
201
Bleeding Air from Fuel System
202
Check for Leakage in Fuel System
205
Adjusting Speed Sensor
206
Testing and Adjusting Alternator Belt Tension
206
Testing and Adjusting Fan Belt Tension
207
Handling Controller High Voltage Circuit
209
Run-In Standard
210
Performance Test Standards
216
Troubleshooting of Engine System (S Mode)
219
Points to Remember When Troubleshooting
220
Method of Using Troubleshooting Charts
221
Starting Performance Is Poor (Starting Always Takes Time)
225
S-2 Engine Does Not Start
226
Engine Does Not Pick up Smoothly (Follow-Up Is Poor)
229
S-4 Engine Stops During Operations
230
Engine Does Not Rotate Smoothly (Hunting)
231
Engine Lacks Output (or Lacks Power)
232
Exhaust Smoke Is Black (Incomplete Combustion)
233
Oil Consumption Is Excessive (or Exhaust Smoke Is Blue)
234
S-9 Oil Becomes Contaminated Quickly
235
S-10 Fuel Consumption Is Excessive
236
Oil Is in Cooling Water (or Water Spurts Back, or Water Level Goes Down)
237
Oil Pressure Caution Lamp Lights up (Drop in Oil Pressure)
238
Oil Level Rises (Water, Fuel in Oil)
239
Water Temperature Becomes too High (Overheating)
240
S-15 Abnormal Noise Is Made
241
S-16 Vibration Is Excessive
242
Troubleshooting of Electrical System (E Mode)
243
Points to Remember When Troubleshooting
245
Method of Using Troubleshooting Flowchart
246
Error Code Displays and Points to Remember When Troubleshooting
247
Action Taken by Controller and Condition of Machine When Error Code Is Displayed
250
Error Code [E-1B] [Abnormality in NE Revolution Sensor System]
259
Error Code [E-1C] [Abnormality in G Revolution Sensor System]
260
Error Code [E-20] [Abnormality in Model Selection System]
261
Error Code [E-22] [Overrun]
262
Error Code [E-23] [Overheat]
262
Error Code [E-24] [Drop in Oil Pressure]
263
Error Code [E-30] [Abnormality in Idling Validation Signal System]
264
Error Code [E-31] [Abnormality in Throttle Sensor System]
266
Error Code [E-34] [Abnormality in Water Temperature High-Temperature Sensor System]
269
Error Code [E-36] [Abnormality in Oil Pressure Switch System]
270
Error Code [E-3C] [Abnormality in Boost Pressure Sensor System]
272
Error Code [E-3D] [Abnormality in Fuel Temperature Sensor System]
273
Error Code [E-50] [Abnormality in Preheating Relay Connecting Point System]
274
Error Code [E-51] [Abnormality in Preheat Relay Coil System]
275
Error Code [E-54] [Short Circuit in Starting Switch C System]
276
Error Code [E-56] [Power Source System Abnormality 1]
277
Error Code [E-57] [Power Source System Abnormality 2]
279
Error Code [E-5A] [Abnormality in Fuel Injection Quantity Control Switch Signal]
280
Error Code [E-6A] [Abnormality in Water Temperature Low-Temperature Sensor System]
281
Error Code [E-70] [Excess Current in Fuel Supply Pump PCV1 System]
282
Error Code [E-71] [Excess Current in Fuel Supply Pump PCV2 System]
283
Error Code [E-74] [Disconnection in Fuel Supply Pump PCV1 System]
284
Error Code [E-75] [Disconnection in Fuel Supply Pump PCV2 System]
285
Error Code [E-77] [Abnormality in Common Rail Fuel Pressure Sensor System]
286
Error Code [E-79] [Common Rail Fuel High Pressure Abnormality 1] Error Code [E-7A] [Common Rail Fuel High Pressure Abnormality 2]
287
Error Code [E-7B] [Fuel Supply Pump Non-Force Feed 1] Error Code [E-7C] [Fuel Supply Pump Non-Force Feed 2]
288
Error Code [E-7D] [Abnormality in Common Rail Fuel Pressure]
290
Error Code [E-80] [Defective Controller]
290
Error Code [E-81] [Disconnection in No. 1 Fuel Injector System]
291
Error Code [E-82] [Disconnection in No. 2 Fuel Injector System]
292
Error Code [E-83] [Disconnection in No. 3 Fuel Injector System]
293
Error Code [E-84] [Disconnection in No. 4 Fuel Injector System]
294
Error Code [E-85] [Disconnection in No. 5 Fuel Injector System]
295
Error Code [E-86] [Disconnection in No. 6 Fuel Injector System]
296
Error Code [E-8A] [Short Circuit in No. 1, No. 2, No. 3 Fuel Injector System]
297
Error Code [E-8B] [Short Circuit in No. 4, No. 5, No. 6 Fuel Injector System]
300
Disassembly and Assembly
303
Disassembly and Assembly
304
Method of Using Manual
304
Precautions When Carrying out Operation
305
Special Tool List
307
General Disassembly of Engine
308
General Assembly of Engine
324
Procedure for Removing and Installing Fuel Supply Pump Unit
356
Repair and Replacement of Parts
359
Cylinder Head
360
Grinding of Fitting Face of Cylinder Head
360
Replacing Valve Seat Insert
361
Pressure Test
366
Replacing Valve Guide
367
Replacing Crosshead Guide
368
Grinding Valve
369
Replacing Cam Bushing
370
Replacing Crankshaft Gear
373
Replacing Cam Gear
374
Replacing Flywheel Ring Gear
375
Replacing Connecting Rod Small End Bushing
376
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