Daewoo ST Series Betriebsanleitung Seite 138
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2. Unsatisfactory Performance
If the governing system functions poorly, perform the following tests.
3. Insufficient Magnetic speed Sensor Signal
A strong magnetic speed sensor signal will eliminate the possibility of missed or extra pulses. The
speed control unit will govern well with 0.5volts RMS speed sensor signal. A speed sensor signal
of 3volts RMS or greater at governed speed is recommended. Measurement of the signal is made
at Terminals C and D.
- 135 -
SYMPTOM PROBABLE FAULTTEST
Engine overspeeds
1. Actuator goes to full fuel. Then, disconnect speed
sensor at Terminals C & D.
If actuator still at full fuel speed control unit
defective. If actuator at minimum fuel position -
erroneous speed signal. Check speed sensor
data.
1. Do not crank.
Apply DC power to
the governor
system.
Actuator does not
energize fully.
1. If the voltage is less than 7V for a 12V system,
or14V for a 24V system, replace the battery if it is
weak or undersized.
1. Measure the
voltage at the
battery while
cranking.
Engine remains below
desired governed
speed.
1. If voltage measurement is within approximately 2
volts of the battery supply voltage, then fuel
control restricted from reaching full fuel position.
Possibly due to interference from the mechanical
governor, carburetor spring or linkage alignment.
1. Measure the
actuator output.
Terminals A & B,
while running under
governor control.
1. Actuator or battery wiring in error.
2. Actuator or linkage binding.
3. Defective actuator.
2. Speed setting too low.
2. Momentarily
connect Terminals
A and F The
actuator should
move to the full
fuel position.
2. Manually hold the
engine at the
desired running
speed. Measure
the DC voltage
between Terminals
A(-) & F(+) on the
speed control unit.
1. If the voltage reading is 1.0 to 2.0 VDC.
a) SPEED adjustment set above desired speed.
b) Defective speed control unit.
2. If the voltage reading is above 2.0 VDC, a)
Actuator or linkage binding.
3. If the voltage reading is below 1.0 VDC, a)
Defective speed control unit.
4. Fuse opens. Check for short in actuator or
actuator wiring harness.
4. Gain set too low.
- FOREWORD 2
- CONTENTS 3
- 1. Specification 4
- 1.1.2. L086TI 5
- 1.1.3. AD136/T/TI/086TI 6
- 1.2. Engine Aspects 7
- 1.2.2. Engine Assembly 8
- 1.3. Engine Performance Curve 9
- EC5OM138 10
- 2. Safety Regulations 11
- CAUTION : 12
- 3.1.1. Lubricating oil 15
- 3.1.2. Cooling water 15
- OUT OUTIN IN 16
- 3.1.7. Gauge Panel 17
- 2) Engine Warning Lamps 18
- 3.2. Starting 19
- 3.3. Engine Break-in 19
- EC5OM126 20
- 3.3.3. Final 10 hours 21
- 3.6. Operation in Winter Time 23
- 3.7. Tuning the Engine 23
- 4. Maintenance and Care 24
- 4.3. Cooling System 26
- PRE CHARGE 28
- EA7O5013 28
- 4.3.5. Thermostat check 30
- EFM2055I 31
- EB4O401L 32
- EB4O402L 32
- EA4O5014 32
- 4.4. Lubrication System 33
- EC5OM128 34
- Oil drain pump 34
- EA9O4002 34
- 4.4.4. Marine gear oil change 35
- EB4O403L 36
- EA3M1024 37
- EA7O5006 37
- 4.5.3. Inter-cooler cleaning 38
- 4.5.4. Turbocharger cleaning 38
- 4.6. Fuel System 39
- 4.6.4. Fuel filter exchange 41
- 4.7. Electric System 42
- 4.8. Cylinder 43
- 5.1. Reduction Gear 46
- 5.1.2. Characteristics 47
- 5.1.3. Operation 47
- EA7O6011 48
- 5.3. Propeller Selection 49
- 5.4. Electric System 50
- 5.4.2. Starter Motor 52
- 6.1. Disassembly 53
- 6.1.5. Alternator 54
- 6.1.6. Fuel filter 54
- 6.1.7. Breather 54
- 6.1.8. Inter cooler 54
- 6.1.9. Air cleaner 55
- 6.1.10. Turbo charger 55
- 6.1.11. Expansion tank 55
- 6.1.12. Stop solenoid 56
- 6.1.13. Injection pipe 56
- 6.1.14. Intake manifold 56
- 6.1.15. Thermostat 56
- 6.1.16. Heat exchanger 57
- 6.1.17. Exhaust manifold 57
- 6.1.18. Starter 57
- 6.1.19. Sea water pump 57
- 6.1.20. Water pump 58
- 6.1.21. Injection pump 58
- 6.1.22. Oil filter 59
- 6.1.23. Vibration damper 59
- 6.1.25. Idle gear 60
- 6.1.26. Injection pump drive 60
- 6.1.27. Cylinder head cover 60
- 6.1.28. Rocker arm assembly 61
- 6.1.29. Injection nozzle 61
- 6.1.30. Cylinder head 61
- 6.1.31. Valve & stem seal 62
- 6.1.32. Oil cooler 62
- 6.1.33. Oil pan 62
- 6.1.35. Relief valve 63
- 6.1.37. Cylinder liner 64
- 6.1.38. Flywheel 64
- 6.1.39. Oil seal 64
- 6.1.40. Flywheel housing 64
- 6.1.41. Cam shaft and tappet 65
- 6.1.43. Timing gear case 65
- 6.1.45. Oil spray nozzle 66
- 6.2. Inspection 67
- EA0M4052 69
- EA0M4046 69
- EDM2032P 69
- EA3M2032 70
- EJM2049I 70
- EA0M4056 71
- Spring tester 71
- EDM2037I 71
- EA8M3002 72
- EA0M4059 72
- EA0M4070 73
- EDM2061I 73
- EA0M4073 73
- 6.2.5. Camshaft 74
- 6.2.6. Crank shaft 75
- = O A - O B 78
- EA6M063I 79
- EA6M064I 79
- 6.2.8. Piston 80
- 6.2.9. Piston rings 81
- EA0M4031 82
- EA3M2047 82
- 6.2.11. Connecting rod 83
- 6.3. Engine Re-assembly 84
- 6.3.5. Crankshaft 85
- EAMD077I 86
- EAMD078I 86
- EAMD075S 86
- 6.3.6. Flywheel housing 87
- 6.3.7. Rear oil seal 88
- 6.3.8. Flywheel 88
- 6.3.9. Timing gear case 88
- 6.3.11. Timing gear 89
- 6.3.13. Front oil seal 90
- EAMD088I 91
- EAMD089I 91
- EAMD090I 92
- EA8M3006 92
- EAMD092I 92
- 6.3.17. Oil pump and oil pipe 93
- 6.3.18. Oil pan 94
- 6.3.20. Cylinder head 94
- Type 1 Type 2 95
- 6.3.22. Rocker arm assembly 96
- 6.3.23. Injection nozzle 97
- 6.3.25. Injection pipe 98
- 6.3.26. Cylinder head cover 98
- EB4O601L 99
- EB1M9090 99
- (2) Injection timing 100
- EQM3089S 101
- EAMD021I 101
- EA3M1017 101
- Oil filter 102
- Oil cooler 102
- 6.3.31. Heat exchanger 103
- 6.3.29. Water pump 103
- 6.3.30. Sea water pump 103
- 6.3.32. Thermostat 104
- 6.3.33 Exhaust manifold 104
- 6.3.34. Intake manifold 104
- 6.3.36. Injection pipe 105
- 6.3.37. Starter 105
- 6.3.38. Intercooler 105
- EC5OM130 106
- EB1M3008 106
- EC5OM113 106
- EC5OM110 106
- 6.3.43. Alternator 107
- 6.3.44. V - Belt 107
- 7. Main Parts Maintenance 108
- EAMC005I 109
- EAMC006I 109
- EAMC007I 109
- 7.2. Cooling System 110
- 7.3. Fuel System 111
- EB7O7015 112
- EB7O7016 114
- EB7O7018 116
- EB1M4001 118
- EB1M4002 118
- EB1O4001 120
- EB1O4002 120
- Caution : 124
- EA4O9101 125
- Adjust linkage length so that 126
- ABCD EFGHJKL MNP 131
- MADE IN AGAWAM, MA U.S.A 132
- EA6M4005 136
- 7.3.3. Fuel feed pump 141
- EQM4020I 142
- EB1M4003 142
- EQM4022I 144
- EAMC016I 144
- EQM4023I 144
- 7.3.4. Fuel injection nozzle 145
- EB1M4004 146
- EFM2056I 147
- EFM2057I 147
- Normal Abnormal Abnormal 147
- EAMC022I 147
- 7.4. Turbocharger 148
- 7.4.2. Turbo charger assembly 149
- EA7M4003 150
- EA7O5012 151
- 7.4.4. Maintenance 152
- EA7M4005 153
- EA7M4006 153
- EA7M4007 153
- EA7M4008 153
- EA7M4009 154
- EA7M4010 154
- EA7M4011 154
- EA7M4012 154
- EA7M4013 155
- EA7M4014 155
- EA7M4015 155
- EA7M4016 155
- EA7M4017 156
- EA7M4018 156
- EA7M4019 156
- EA7M4020 156
- EA7M4021 157
- EA7M4022 157
- EA7M4023 157
- EA7M4024 157
- EA7M4025 158
- EA7M4026 158
- EA7M4027 158
- EA7M4028 159
- EA7M4029 159
- EA7M4030 160
- EA7M4031 160
- EA7M4032 160
- EA7M4033 160
- EA7M4034 161
- EA7M4035 161
- EA7M4036 161
- EA7M4037 161
- EA7M4038 162
- EA7M4039 162
- EA7M4040 162
- EA7M4041 163
- EA7M4042 163
- EA7M4043 163
- EA7M4044 163
- EA7M4045 164
- EA7M4046 164
- EA7M4047 164
- EA7M4048 164
- EA7M4049 165
- EA7M4050 165
- EA7M4051 165
- EA7M4052 165
- EA7M4053 166
- EA7M4054 166
- EA7M4055 166
- EA7M4056 167
- EA7M4057 167
- EA7M4058 167
- EA7M4059 167
- EA7M4060 168
- 8. Troubleshooting 169
- Insufficient output 170
- Overheating 171
- Black smoke is produced 172
- White smoke is produced 172
- Battery is dead or not 174
- 9. Special Tool List 175
- EAMD107I 176
- EAOO4014 176
- EA7O5008 176
- EA3M2029 176
- 10. Tightening Torque 177
- Thermostat 183
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