May CAT (Máy phụ trên tàu thủy)

1 Lession - MECHANICAL The 3500 diesel engines entered production in 1980 and have been available in 8, 12 and 16 cylinder configuration All had the standard 4.3 liters per cylinder displacement 1980: 8, 12, 16 cyl – standard displacement 1999: 12, 16, 24 cyl B series - high displacement option 3524B engine: 3512B engines in a module Standard displacement: Bore: 170mm Stroke: 190 mm High displacement: Bore: 170mm Stroke: 215 mm High voltage: Automatic starting: Read the manual before operating Hot surface / not touch: Coolant pressure and hot surface: Product lifting: Unit injectors: Electrical distribution: High voltage (Jacket water heater): 10 General hazard information: 11 Pressure air and water Asbestos information: Dispose of waste properly: 12 Burn prevention: 13 14 Crankcase breather To muffler Air filter indicator Air filter housing Auxiliary water pump Distribution box Starting motor Battery disconnect switch 15 Engine oil filler Dipstick Engine oil cooler Engine oil pump Water pump 16 2 Aftercooler housing Turbocharger Water pipe Exhaust Manifold Air filter element 17 Cylinders arrangement: 60 degree Vee16 Valve per cylinder: 4/1 Cylinder Bore: 170 mm Stroke: 190 mm Displacement per cylinder: 4.3L Total displacement: 69.1 L Compression ratio: 14:1 Method of fuel injection: Electronic fuel injectors Firing order:1-2-5-6-3-4-9-10-15-16-1112-13-14-7-8 18 Intake Compression Power Exhaust 19 Air Inlet And Exhaust system Cooling system Lubrication system Fuel system Electronic control system Electrical system 20 10 Engine Cranks, But Will Not Start Step – Measure voltage at J9 pin A, with reference to J9 pin B P9 Speed timing sensor J9 A A A B B B C C C ECM A B C +V Com Engine Cranks, But Will Not Start Step – Is voltage between 11.5 and 13.5 volts DC YES P9 Speed timing sensor Sensor is receiving the correct voltage A B J9 A A A B B B C C C ECM + 13.32 v C +V Com 101 Engine Cranks, But Will Not Start Step – Is the voltage still between 11.5 and 13.5 volts YES P9 Speed timing sensor J9 A A A A B B B B C C C C The sensor is receiving the correct voltage ECM + 12.75 v +V Com 102 Engine Cranks, But Will Not Start Step – Measure the voltage from breakout pin-C to breakout pin-B, before and while cranking P9 Speed timing sensor J9 A A A A B B B B C C C C ECM +V Com 103 Speed Timing Sensor Step Remove the existing speed/timing sensor Pull the slip head out Reinstall the speed/timing sensor Position the timing wheel in a place not allowing the slip head to fill a slot 104 Diagnostic Codes Diagnostic Codes 100 Oil Pressure A B C + 5V Ground Data link 174 102 110 Diagnostic Tool Fuel Temp ECM Boost Pressure Coolant Temp Signal 03 = Open 04 = Short 105 Diagnostic Codes 100 A B C Oil Pressure + 5V Ground Data link 174 102 110 Fuel Temp Diagnostic Tool 102 – 03 ECM Boost Pressure Coolant Temp Signal 03 = Open 04 = Short Diagnostic Codes 100 Oil Pressure A B C + 5V Ground “A” shorted to “B” Data link 174 102 110 Fuel Temp Diagnostic Tool 232 – 04 ECM Boost Pressure Coolant Temp Signal 03 = Open 04 = Short 106 Troubleshooting 100 A B C Oil Pressure + 5V Ground “A” shorted to “B” Data link 174 102 110 Fuel Temp Diagnostic Tool 232 – 04 ECM Boost Pressure Coolant Temp Unplug Signal 03 = Open 04 = Short Troubleshooting 100 Oil Pressure A B C + 5V Ground “A” shorted to “B” Data link 174 102 110 Fuel Temp Boost Pressure Coolant Temp Diagnostic Tool 232 – 04 ECM Unplug Unplug Signal 03 = Open 04 = Short 107 Troubleshooting 100 A B C Oil Pressure + 5V Ground “A” shorted to “B” Data link 174 102 110 Fuel Temp Unplug Diagnostic Tool 232 – 04 ECM Boost Pressure Unplug Coolant Temp Unplug Signal 03 = Open 04 = Short Troubleshooting 100 Oil Pressure A B C Unplug + 5V Ground “A” shorted to “B” Data link 174 102 Fuel Temp Boost Pressure Unplug Diagnostic Tool 100-03 ECM Unplug 174-03 102-03 110-03 110 Coolant Temp Unplug Signal 03 = Open 04 = Short 108 Troubleshooting 100 A B C Oil Pressure + 5V Ground Data link 174 102 110 Fuel Temp Diagnostic Tool 102 – 03 ECM Boost Pressure Coolant Temp Signal 03 = Open 04 = Short Troubleshooting 100 Oil Pressure A B C + 5V Ground Data link 174 102 110 Fuel Temp Diagnostic Tool 232 – 04 ECM Boost Pressure Coolant Temp Signal 03 = Open 04 = Short 109 Troubleshooting 100 A B C Oil Pressure Unplug + 5V Ground “A” shorted to “B” Diagnostic Tool Data link 174 102 110 Fuel Temp Unplug 232 – 04 ECM Boost Pressure Unplug Coolant Temp ? Unplug Signal 03 = Open 04 = Short volt Active Sensors ECM ECM - Battery ECM + Battery V + 0.25 V Common Sensor Signal A B C +5 volt Ground Signal Any wire, volt Pressure or temp sensor 110 “C” Wire Signal Output Voltage “- 04” Short 120 100 80 2.5 volts = 60 PSI PSI 60 “- 04” Short 40 20 “- 04” Short Volt 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0V volt Active Sensors ECM ECM - Battery ECM + Battery V + 0.25 V Common Sensor Signal A B C +5 volt Ground Signal Any wire volt Pressure or temp sensor “B” to “C” short 111 “C” Wire Signal Output Voltage “- 04” Short 120 100 80 2.5 volts = 60 PSI PSI 60 “- 04” Short 40 20 “B” to “C” short Code 100-04 “- 04” Short X Volt 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0V volt Active Sensors ECM ECM - Battery ECM + Battery V + 0.25 V Common Sensor Signal A B C +5 volt Ground Signal Any wire volt Pressure or temp sensor “C” to “A” short 112 “C” Wire Signal Output Voltage “- 04” Short 120 100 80 2.5 volts = 60 PSI PSI 60 “- 04” Short 40 20 “C” to “A” short 100-04 “- 04” Short X Volt 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0V volt Active Sensors ECM “B” to “C” swap ECM - Battery ECM + Battery V + 0.25 V A B C What code? +5 volt Ground Signal Any wire volt Pressure or temp sensor No code 113 “C” Wire Signal Output Voltage “- 04” Short 120 100 80 2.5 volts = 60 PSI PSI 60 Look at status screen – low oil pressure or temp – etc 40 20 “B” to “C” swap “- 04” Short Volt 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 “- 04” Short 4.5 5.0V volt Active Sensors ECM “A” to “C” swap ECM - Battery ECM + Battery V + 0.25 V A +5 volt A B Ground B C C What code? Signal Any wire volt Pressure or temp sensor No code 114 “C” Wire Signal Output Voltage “- 04” Short 120 100 80 2.5 volts = 60 PSI PSI 60 Look at status screen – High oil pressure or temp – etc 40 20 “- 04” Short Volt “- 04” Short “A” to “C” swap 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0V Electronics Class Questions so far? 115 ... 38 19 Purpose of lubrication system: Lubricates Cools Cleans Lubrication oil protects engine components from wear caused by movement, friction and heat 39 Schematic of lubrication system: Main... lubrication system: 42 21 Main components in lubrication system: Oil pan: 43 Main components in lubrication system: Oil pump and bypass valve: 44 Oil pump bypass Valve 22 Main components in lubrication... 45 Main components in lubrication system: Oil filter and bypass valve: 46 23 Main components in lubrication system: Piston cooling jet: 47 Main components in lubrication system: Crankcase breather: