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6LY2-STE
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Yanmar 6LY2-STE Service Manual
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Index
General
For Safe Servicing
Precautions
Location of Product Safety Labels
Exterior Views
Specifications
Performance Curve
Dimensions
Inspection and Servicing of Basic Engine Parts
Cylinder Block
Inspection of Parts
Cleaning of Oil Holes
Color Check Procedure
Replacement of Cup Plugs
Cylinder Bore Measurement
Cylinder Sleeve
Measurement of Sleeve
Inserting of Cylinder Sleeve
Measurement of Projection
Cylinder Head
Inspection the Cylinder Head
Distortion of the Combustion Surface
Checking for Cracks in the Combustion Surface
Checking the Intake and Exhaust Valve Seats
Valve Seat Correction Procedure
Intake/Exhaust Valves, Valve Guides
Wearing and Corrosion of Valve Stem
Inspection of Valve Seat Wear and Contact Surface
Valve Sinking
Valve Springs
Valve Stem Seals
Spring Retainer and Spring Cotter
Assembling the Cylinder Head
Measuring Top Clearance
Intake and Exhaust Valve Rocker Arms
Adjustment of Valve Clearance
Rocker Arm Shaft and Valve Rocker Arm Bushing
Valve Spring
Rocker Arm and Cotter Wear
Checking and Adjusting the Fuel Injection Timing
Piston and Piston Rings
Piston Head and Combustion Surface
Measurement of Piston Outside Diameter/Inspection
Replacing the Piston
Piston Pin
Piston Rings
Measuring Piston Ring End Gap
Replacing the Piston Rings
Connecting Rod
Inspecting the Connection Rod
Twist and Parallelism of the Large and Small Ends
Checking Thrust Clearance
Crank Pin Bearing
Piston Pin Bearing
Measuring Crank Pin Oil Clearance
Precautions on Replacement of Crank Pin Bearing
Assembling Piston and Connecting Rod
Crankshaft and Main Bearing
Color Check of Shaft
Bending of the Crankshaft
Measuring the Crank Pin and Journal
Main Bearing
Checking Side Clearance of the Crankshaft
Camshaft
Checking the Camshaft Side Gap
Tappets
Timing Gear
Inspecting the Gears
Idle Gear
Gear Timing Marks
Flywheel
Specifications of Flywheel
Dimensions of Flywheel and Mounting Flange
Fling Gear
Position of Top Dead Center and Fuel Injection Timing
Fuel Injection Equipment
Fuel Injection Pump Construction
Fuel Injection Pump Specifications
Fuel Supply System
Functioning of Fuel Injection Pump
Injection Volume Control
Governor Construction
Types of Governor According to Structure
Shape of Control and Stop Levers
Engine Stop Device
Torque Rise Equipment
Boost Compensator
Objective of Compensator
Outline of Structure and Principle of Operation
Operation of Cancel Knob
Adjustment of Boost Compensator
Idling
Maximum Spsed
Adjustment of Fuel Injection Timing
Fuel Injection Nozzle
Hole Type Fuel Injection Nozzle
Functioning of Fuel Injection Nozzle
Fuel Injection Nozzle Disassembly
Fuel Injection Nozzle Inspection
Washing
Adjusting Fuel Injection Nozzle
Adjusting Opening Pressure
Injection Test
Fuel Feed Pump
Fuel Feed Pump Design and Function
Disassembly, Reassembly and Inspection of Governor
Governor Disassembly
Inspection of Governor
Assembling the Governor
Disassembly, Reassembly and Inspection of Fuel Injection Pump
Disassembly of Fuel Injection Pump
Inspection of Fuel Injection Pump
Reassembly of Fuel Injection Pump
Adjustment of Pre-Stroke
Adjusting Injection Timing
Plunger Pressure Test
Delivery Valve Pressure Test
Adjusting Injection Volume
Adjustment of Governor
Measuring Injection Volume
Adjustment Injection Volume
Adjustment of Torque Rise
Adjusting Idling
Check Injection Stop
Models with Angleich Spring
Smoke Cut Spring
Service Data
Automatic Advancing Timer
Timer Construction
Function and Characteristics of Timer
Timer Disassembly
Timer Inspection
Timer Reassembly
Fuel Feed Pump Disassembly
Fuel Feed Pump Inspection
Fuel Feed Pump Reassembly
Automatic Pressure Control Mechanism
Fuel Feed Pump Adjustment
Adjustment of Fuel Injection Pump and Governor
Nozzle Inspection
Fuel Injection Nozzle Reassembly
Fuel Filter
Fuel Filter Specifications
Fuel Filter Inspection
Turbocharger System
Construction and Function
Outline
Bearings
Sealing Mechanism at Blower Side
Standards for Maintenance and Check
Tightening Torque
Periodical Checking Procedure
Periodical Checking Interval
Checking of Play of Rotor
Disassembly Procedure
Check before Disassembly
Removal of Turbine Housing
Removal of Turbine Shaft
Removal of Seal Plate
Cleaning and Checking Procedure
Checking before Cleaning
Blower Wheel Chamber
Turbine Wheel Chamber
Blower Wheel
Turbine Shaft
Floating Metal
Bearing Wheel Cleaning
Sealing Plate
Wastegate Actuator
Reassembling Procedure
Reassembling of Floating Metal
Reassembling of Turbine Shaft
Mounting of Thrust Metal
Mounting of Sealing Plate
Mounting of Blower Wheel
Mounting of Turbine Housing
Mounting of Blower Wheel Chamber
Connection of Boost Hose
Measurement of Play of Rotor
Handling after Reassembly
Precautions for Mounting the Turbocharger to the Engine
Troubleshooting
Exhaust Gas Is Dense
Whitish Exhaust Gas
Too Early Oil Shortage
Output Drop
Poor Follow-Up of Supercharger
Unusual Sound or Vibration
Lubrication System
Lube Oil Pump
Lube Oil Pump Construction
Specifications of Lube Oil Pump
Lube Oil Filter
Lube Oil Filter Construction
Lube Oil Filter Replacement
Oil Pressure Control Valve
Lube Oil Cooler
Piston Cooling Nozzle
Piston Cooling Nozzle Construction
Inspection of Piston Cooling Nozzle
Rotary Waste Oil Pump
Inspecting the Waste Oil Pump
Cooling Water System
Water Leakage Test
Removing Scale
Anti-Corrosion Agent
Antifreeze
Sea Water Pump
Sea Water Pump Disassembly
Sea Water Pump Inspection
Sea Water Pump Reassembly
Fresh Water Pump
Specifications of Fresh Water Pump
Fresh Water Pump Disassembly
Fresh Water Pump Inspection
Fresh Water Cooler
Specifications of Heat Exchanger
Disassembly and Reassembly of the Fresh Water Cooler
Fresh Water Cooler Inspection
Pressure Cap Construction
Pressure Cap Control
Pressure Cap Inspection
Function of the Sub Tank
Specifications of Sub Tank
Mounting the Sub Tank
Precautions on Usage of the Sub Tank
Thermostat
Thermostat Inspection
Testing the Thermostat
Kingston Cock
Reduction and Reversing Gear
Marine Gears
Major Specifications
Hydraulic System
Handling of Emergency Bolts
Disassembling Input and Output Gears
Disassembling Support Shafts a and B
Disassembling Valve Body
Cautions for Reassembly
Tightening Torque of Major Bolts
Standard Tightening Torque
Handling of Hydraulic Pump
Remote Control
Construction of Remote Control System
Remote Control Device Components
Remote Control Installation
Speed Control
Ahead-Neutral-Astern Control
Electrical System
System Diagram
System Diagram of Electric Parts
Battery Construction
Checking the Electrolyte
Voltage Test
Washing the Battery
Charging Methods
Charging Procedure
Charging Precautions
Battery Storage Precautions
Starter Motor
Armature
Armature Coil Continuity and Ground Test
Field Coil
Reassembly Precautions
Magnetic Switch
Pinion
Ball Bearing
Testing
No Load Test
Pinion Movement
Plunger Movement
Starter Motor Troubleshooting
Alternator Features
Alternator Specifications
Alternator Characteristics
Alternator Construction
Alternator Functioning
Disassembling the Alternator
Reassembling the Alternator
IC Regulator
Performance Test
Assembling the Rear Cover
Measuring the Regulating Voltage
Charging Failure
Overcharging
Charge Lamp Failure
Instrument Panel
Warning Devices
Oil Pressure Alarm
Cooling Water Temperature Alarm
Sender Unit for Lube Oil Pressure Gauge
Sender Unit for the Cooling Water Temperature Gauge
Lube Oil Pressure Sender Unit
Damper
Tachometer
Specifications and Dimensions of Tachometer
Measurement of Sensor Unit Characteristics
Disassembly and Reassembly
Disassembly and Reassembly Tools
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Specifications
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HINSI-H8-011-1
SERVICE MANUAL
MARINE DIESEL ENGINE
6LY2-STE
6LY2A-STP
6LYA-STP
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Table of Contents
Troubleshooting
Troubleshooting
116
Starter motor Troubleshooting
172
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Summary of Contents for Yanmar 6LY2-STE
Page 1
HINSI-H8-011-1 SERVICE MANUAL MARINE DIESEL ENGINE 6LY2-STE 6LY2A-STP 6LYA-STP...
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6ly2a-stp
6lya-stp
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