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CONTENTS
1. General ....................................................................................................... 1
1.1 Engine Nomenclature .............................................................................................................. 1
1.2 Specifications........................................................................................................................... 1
1.3 Fuel Oil, Lubricating Oil and Cooling Water........................................................................... 14
1.3.1 Fuel oil....................................................................................................................................14
1.3.2 Lubricating oil .........................................................................................................................15
1.3.3 Cooling water .........................................................................................................................15
1.4 Engine External Views........................................................................................................... 16
1.5
Structural Description............................................................................................................. 17
1.6 Exhaust gas emission regulation........................................................................................... 18
1.6.1 The Emission Standard in USA ..............................................................................................18
1.6.2 Engine identification ...............................................................................................................19
1.6.3 Guarantee Conditions for the EPA Emission Standard...........................................................20
2. Inspection and Adjustment........................................................................ 22
2.1 Periodic Maintenance Schedule ............................................................................................ 22
2.2 Periodic Inspection and Maintenance Procedure .................................................................. 23
2.2.1 Check before Daily Operation ................................................................................................23
2.2.2 inspection after initial 50 hours operation ...............................................................................25
2.2.3 Inspection every 50 hours ......................................................................................................28
2.2.4 Inspection every 250 hours or 3 months ................................................................................32
2.2.5 Inspection every 500 hours or 6 months ................................................................................35
2.2.6 Inspection every 1,000 hours or one year ..............................................................................37
2.2.7 Inspection every 2000 hours or 2 years .................................................................................46
2.3 Adjusting the no-load maximum or minimum speed.............................................................. 49
2.4 Sensor Inspection.................................................................................................................. 50
2.4.1 Oil pressure switch .................................................................................................................50
2.4.2
Thermo switch ........................................................................................................................50
2.5 Water leak check in cooling water system............................................................................. 50
2.6 Radiator cap inspection ......................................................................................................... 51
2.7 Thermostat Inspection ........................................................................................................... 51
2.8 Adjusting Operation ............................................................................................................... 52
2.9 Long storage.......................................................................................................................... 52
3. TROUBLESHOOTING .............................................................................. 53
3.1 Preparation before troubleshooting ....................................................................................... 53
3.2 Quick Reference Table for Troubleshooting .......................................................................... 54
3.3 Troubleshooting by measuring Compression Pressure......................................................... 57
Summary of Contents for 3TNV Series
Page 1: ...4TNV106 4TNV106T 4TNV94L 4TNV98 4TNV98T 3TNV82A 3TNV84 T 4TNV84 T 3TNV88 4TNV88 ...
Page 31: ...1 General 1 4 Engine External Views 16 ...
Page 32: ...1 General 1 5 Structural Description 17 ...
Page 156: ...9 Starting Motor 9 1 2 Components 141 ...
Page 157: ...9 Starting Motor 9 1 3 Troubleshooting 142 ...
Page 172: ...9 Starting Motor 9 2 3 Troubleshooting 157 ...
Page 175: ...9 Starting Motor 2 Removal of magnetic switch Remove the M6 bolts 10mm 2 160 ...
Page 185: ...9 Starting Motor 3 Brush 1 Check wear of the brush and the brush spring force 170 ...
Page 194: ...10 Alternator 179 10 1 6 Troubleshooting ...
Page 195: ...11 Electric Wiring 180 11 ELECTRIC WIRING 11 1 Electric Wiring Diagram ...
Page 213: ......