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1GM10
Service manual
Yanmar 1GM10 Service Manual
Yanmar marine diesel enginesines service manual
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Also See for 1GM10
:
Shop manual
(241 pages)
,
Operation manual
(94 pages)
,
User manual
(240 pages)
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Contents
Engine Model Name
Engine Model Name Plate and Clutch Model Name Plate
Item Descriptions on the Model Name Plates and Information to be Forwarded to Us
Location of Engine Model Name Plate and Clutch Model Name Plate
Cylinder Number
Location of Stamped Engine Serial Number
General
Specifications
Principal Construction
Performance Curves
Features
Engine Cross-Sections
Dimensions
Piping Diagrams
Basic Engine
Cylinder Block Construction
Cylinder of Model 1GM10(C) Engine
Cylinder of Model 2GM20(F)(C) Engine
Cylinder of Model 3GM30(F)(C) Engine
Cylinder of Model 3HM35(F)(C) Engine
Cylinder Block Inspection
Inspecting each Part for Cracks
Inspecting the Water Jacket of the Cylinder for Corrosion
Cylinder Bore Measurement
Oil and Water Passages
Color Check Flaw Detection Procedure
Boring the Cylinder
Measurement of Distortion on the Upper Surface of the Cylinder
Purpose of Cup Plug
How to Drive in the Cup Plug
Cylinder Head Construction
Cylinder Head of Model 1GM10(C) Engine
Cylinder Head of Model 2GM20(F)(C) Engine
Cylinder Head of Models 3GM30(F)(C) and 3HM35(F)(C)
Cylinder Head Inspection and Measurement
Measurement of Carbon Build-Up at Combustion Surface and Intake and Exhaust Ports
Deposit Build-Up in Water Passages
Inspection of Corrosion in Water Passages and Anti-Corrosion Zinc
Measuring Valve Sinkage
Dismounting and Remounting the Cylinder Head
Rocker Arm Support Positioning Pin
Cylinder Head Assembly Sequence
Tightening the Cylinder Head Bolts and Nuts
Cylinder Head Nut Loosening Sequence
Intake and Exhaust Valves, Valve Guide and Valve Spring
Inspecting and Measuring the Intake and Exhaust Valves
Inspecting and Measuring Valve Guides
Valve Spring
Precombustion Chamber and Top Clearance
Valve Stem Seal
Spring Retainer and Spring Cotter Pin
Intake and Exhaust Valve Rocker Arm
Insulation Packing
Components of Valve Rocker Arm
Measuring the Valve Rocker Arm Shaft and Bushing Clearance
Valve Rocker Arm and Valve Top Retainer Contact and Wear
Valve Clearance Adjusting Screw
Classification of the Intake and Exhaust Valve Rocker Arms
Adjusting Intake and Exhaust Valve Head Clearance
Decompression Mechanism
Adjusting Without a Feeler Gauge
Disassembling and Reassembling Cylinder Head
Piston Assembly Construction
Piston Inspection
Replacing a Piston
Piston Pin
Piston Pin Bushing
Piston Ring Configuration
Piston Rings Inspection
Connecting Rod Ass'y Construction
Connecting Rod Inspection
Crank Pin Bushing
Crank Pin and Bushing Clearance (Oil Clearance)
Tightening the Connecting Rod Bolts
Connecting Rod Side Clearance
Crank Pin Bushing Replacement Precautions
Piston Bushing and Piston Pin
Replacing the Piston Pin Bushing
Crankshaft Ass'y and Bearing Construction
Constructions of Models 2GM20(F)(C), 3GM30(F)(C) and 3HM35(F)(C) Crankshaft Assembly
Crank Journal and Crank Pin
Crankshaft Side Gap
Disassembly of the Crankshaft
Side Gap Maintenance Standard and Wear Limit
Main Bearing Construction
Inspecting the Crank Bearing
Inspecting the Thrust Metal
Inspecting the Intermediate Main Bearing
Replacing the Crank Bearing
Crankshaft Oil Seal
Oil Seal Insertion Precautions
Oil Seal Type and Size
Flywheel and Housing
Specifications of Flywheel
Dimensions of Flywheel and Flywheel Housing
Ring Gear
Position of Top Dead Center
Construction of the Camshaft
Camshaft of Engine Model 1Gm10(C)
Camshaft of Engine Model 2GM20(F)(C)
Camshaft of Engine Models 3GM30(F)(C) and 3HM35(F)(C)
Valve Timing Diagram
Camshaft Inspection
Camshaft Height
Journals of Camshaft
Camshaft Ball Bearing
Tappets
Camshaft Deflection
Push Rods
Fuel Cam Check
Fuel Cam Assembly Precautions
Timing Gear Train Construction
Timing Gear of Model 1GM10(C)
Timing Gear of Models 2GM20(F)(C), 3GM30(F)(C) and 3HM35(F)(C)
Disassembly and Reassembly of the Timing Gear
Backlash Inspection
Inspecting the Gear Tooth Surface
Inspecting the Gear Boss
Fuel System
Fuel Injection System
Fuel Injection System Construction
Fuel Injection System Specifications
Injection Pump Construction
Specifications and Performance of Fuel Injection Pump
Injection Volume Characteristics of Fuel Injection Pump
Operation of Fuel Injection Pump
Fuel Control
Action of the Delivery Valve and the Sucking-Back of Fuel
Disassembly of Fuel Injection Pump
Dismantling of Fuel Pump of Model 2GM20(F)(C), 3GM30(F)(C) and 3HM35(F)(C)
Inspecting Injection Pump Parts
Plunger
Delivery Valve
Assembling the Fuel Injection Pump
Plunger Spring and Delivery Valve Spring
Plunger Guide
Inspection after Reassembly
Control Rack Resistance Test
Fuel Injection Timing
Injection Pump Adjustment
Setting Pump on Tester
Measuring the Sliding Resistance of the Fuel Control Rack
Adjusting the Plunger Top Clearance
Checking the Cylinder Injection Interval
Delivery Valve Oil-Tight Test
Plunger Pressure Test
Measuring the Fuel Injection Volume
Adjustment of Injection Volume for each Cylinder
Injection Nozzle Construction
Specifications for Nozzle Valve
Yanmar Throttle Nozzle
Nozzle Operation
Injection Nozzle Disassembly and Reassembly
Injection Nozzle Inspection and Adjustment
Carbon and Corrosion on the Nozzle Body
Checking Nozzle Action
Adjusting the Nozzle Injection Pressure
Nozzle Seat Oil Tightness Check
Checking the Spray Condition
Inspecting the Nozzle Spring
Fuel Filter Construction
Fuel Filter Specifications
Fuel Filter Inspection
Fuel Feed Pump Construction
Fuel Feed Pump Specifications
Fuel Feed Pump Disassembly and Reassembly
Inspecting and Adjusting the Fuel Feed Pump
Checking the Pump for Fuel Oil Leaks
Checking the Pump for Engine Oil Leaks
Aging, Breakdown and Cracking of the Diaphragm
The Contact Area and Mounting Condition of Valve
Diaphragm Spring and Rocker Arm Spring
Fuel Tank (Option)
Fuel Tank Dimension
Governor
Governor Construction
Governor Operation
Governor Performance
Governor Disassembly
Governor Parts Inspection and Replacement
Regulator Spring
Sleeve
Thrust Collar
Thrust Needle Bearing
Governor Weight
Regulator Lever and Handle
Injection Limiter Construction
Injection Limiter Inspection
Injection Limiter Adjustment
No-Load Maximum Speed Limiter Construction
No-Load Maximum Speed Limiter Handling Precautions
Idling Adjuster
Engine Stop Lever Construction
Engine Stop Lever Inspection
Intake and Exhaust System
Intake and Exhaust System of Model 1GM10(C)
Intake and Exhaust System of Model 2GM20(F)(C)
Intake and Exhaust System of Models 3GM30(F)(C) and 3HM35(F)(C)
Intake Silencer Construction
Inspection of the Intake Silencer
Washing the Intake Silencer Element
Exhaust System
Exhaust Manifold and Mixing Elbow
U Type Mixing Elbow
Exhaust Manifold Inspection
Mixing Elbow Inspection
Construction of Breather
Breather for Model 1GM10(C)
Breather for Models 2GM20(F)(C) and 3GM30(F)(C)
Breather for Model 3HM35(F)(C)
Lubrication System
Lubricating Oil Passage of Model 1GM10(C)
Lubrication Oil Passage of Model 2GM20(F)(C)
Lubrication Oil Passage of Model 3GM30(F)(C) and 3HM35(F)(C)
Table of Capacity for Lubricating Oil System
Oil Pump Construction
Lubricating Oil Pump on Model 1Gm10(C)
Lubricating Oil Pump on Models 2GM20(F)(C), 3GM30(F)(C) and 3HM35(F)(C)
Specifications of Lubrication Oil Pump
Oil Pump Disassembly
Oil Pump Inspection
Outer Rotor and Pump Body Clearance
Outer Rotor and Inner Rotor Clearance
Pump Body and Inner Rotor, Outer Rotor Side Clearance
Oil Filter Construction
Oil Filter Replacement
Replacing the Oil Filter
In Case of Oil Leakage
Oil Pressure Regulator Valve Construction
Oil Pressure Regulator Valve Specifications
Oil Pressure Measurement
Direct Sea-Water Cooling System
Cooling System Composition
Cooling Water Route
Piping
Cooling Water Passage of Engine Model 1GM10(C)
Cooling Water Passage of Engine Model 2GM20(C)
Cooling Water Passage of Engine Models 3GM30(C) and 3HM35(C)
Water Pump Construction and Operation
Cooling Water Pump of Engine Model 1GM10(C)
Cooling Water Pump of Engine Models 2GM20(C) and 3GM30(C)
Cooling Water Pump of Engine Model 3HM35(C)
Water Pump Disassembly
Water Pump Specifications
Water Pump Reassembly Precautions
Water Pump Handling Precautions
Water Pump Inspection
Thermostat Construction and Operation
Thermostat Inspection
Care Must be Taken When Assembling the Thermostat
Anticorrosion Zinc Principles
Anticorrosion Zinc Inspection
Kingston Cock Construction
Kingston Cock Handling Precautions
Kingston Cock Inspection
Bilge Strainer
Bilge Pump Specifications
Bilge Pump Performance
Fresh Water Cooling System
Cooling System Diagrams
Cooling System Configuration
Sea Water Pump
Fresh Water Pump Construction
Pump Capacity and Characteristic
Pump Disassembly
Pump Inspection and Measurement
Heat Exchanger Construction
Water Flow in Water Cooling Tube
Heat Exchanger Specifications
Heat Exchanger Disassembly
Heat Exchanger Inspection and Cleaning
Cooling Pipe
Heat Exchanger Body
Filler Cap Construction
Filler Cap Pressure Control
Filler Cap Inspection
Subtank Function
Installation of Subtank
Maintenance During Use
Thermostat Operation
Thermostat Construction
Cooling Water Temperature Switch
Precautions
Ventilator
Cooling Water
Antifreeze
Rust Inhibitor
Idling the Engine When Stopping
Cleaning the Heat Exchanger Tube
Modifying the Cooling System
Direct Sea Water-Cooled Engine and Fresh Water-Cooled Engine
Modification Method
Testing a Modified Engine
Kit for Modification into a Fresh Water-Cooled Engine
Disassembly of Sea Water-Cooled Engine
Drain the Cooling Sea Water
Remove the Cooling Water Pipe
Remove the Fuel Oil Pipe
Remove the Fuel Filter
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See also:
Shop Manual
,
Operating Manual
Table of
Contents
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Table of Contents
Troubleshooting
Alternator troubleshooting
357
Alternator, Option, 12v/35A troubleshooting and repair
367
Troubleshooting and Repair
390
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This manual is also suitable for:
2gm20
1gm10c
2gm20f
3gm30
3gm30f
3gm30c
...
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3hm35
3hm35f
3hm35c
2gm20c
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