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Manuals
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Yanmar Manuals
Engine
12AYM-WGT
Operation manual
Yanmar 12AYM-WGT Operation Manual
Marine propulsion engine
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Introduction
Contents
For Your Safety
Safety Symbols
Safety Precautions
No Modification
Regulation on Nox
Waste Disposal
Warning Labels
Operation Side
Non-Operation Side
Precautions for Lifting the Engine
Engine Nameplate
Location of the Engine Nameplate
Specifications
Location of Components
Function of Major Components
Fuel Oil System
Cooling System
Lubricating Oil System
Supply Air System
Electric System
Governor System
Turbocharger
Piping Diagram of Major Engine Parts
Fuel Injection Pump
Double Wall Fuel High Pressure Pipe
Cooling Water System
Seawater System
Coolant System
Control System
Instrument Panel
Alarm Devices
Battery Charge
Lubricating Oil Pressure Low Alarm Lamp
Lubricating Oil Filter Clogged Alarm Lamp
Gauge Panel
Starting Devices
Electric Start Method
Air Start Method
Control Device
2-Handle Controller Head
Fuel
Quality Criteria of Fuel Oil
When Supplying Fuel
Lubricating Oil
Selection of the Lubricating Oil
Service Categories
Selection of the Marine Gear Oil
Coolant
Coolant Selection
Long Life Coolant Mixture Selection
Running-In
Initial Operation
Filling Oil to the Fuel Oil System
Bleeding the Fuel Oil System
Filling Lubricating Oil
Filling the Engine Lubricating Oil
Filling the Lubricating Oil of the Hydraulic Governor
Filling Coolant
Filling the Lubricating Oil of the Marine Gear
Filling the Lubricating Oil of the Air Starter's Oiler
Lubricating Engine Parts
Governor Lever
Hydraulic Governor Link
Rocker Arm
Cranking
Lubricating Oil Priming
Checking before Starting
Visual Inspection of the Engine
Checking and Refilling Fuel Oil
Checking and Refilling Engine Lubricating Oil
Checking and Refilling Marine Gear Lubricating Oil
Checking and Refilling Coolant
Checking the Instruments Panel
Checking the Control Device
Checking the Air Starter
Rechecking after Starting
Operation
Starting
Start with Electric Starter
Normal Function of Alarm Devices
Starting in Cold by Air Heater
Start with the Air Starter
Engine Warm-Up
Check During Warm-Up Operation
Notice While Running with Load
First Running
Cooling Water
Color of Exhaust Gas
Water Leakage, Oil Leakage and Other Operational Conditions
Long Time Operation at Low Speed
Stopping
Long-Term Storage
Storing Engine for a Long Time
Operating after Long-Term Storage
Periodic Maintenance
Periodic Maintenance Schedule
Fuel System
Fuel Level Checking
Fuel Tank Deposit Draining
Fuel Filter and Water Separator Draining
Oil Level
Replacement of Oil Filter
Engine Oil Changing
Priming Pump
Oil Discharge Pump
Cleaning of Lubricating Oil Bypass Filter
Replacement of Hydraulic Governor Oil
Replacement of Marine Gear Oil and Filter
Discharging Seawater
Replacement of Zinc Anodes
Cleaning Seawater Strainer of Heat Exchanger
Replacement of Seawater Pump Impeller
Coolant Level
Water Pump Leakage
Coolant Change
Checking and Servicing
Wash the Pre-Filter
Wash the Blower
Rubber Hoses
Control Handle and Cables
The Connections of Parts
Hoses and Tightening Hose Clips
Electrical Parts
The Alarm Devices
The Battery Fluid Level
The Alternator Drive Belt Tension
Adjustment of Valve Clearance
Valve Bridge Parallel Adjustment
Valve Clearance Adjustment
Troubleshooting and Countermeasures
Starting Failure
Rotational Speed Drops Spontaneously
Lubricating Oil Pressure out of the Specified Pressure
Coolant Temperature Is too High
Engine Stop Suddenly
Exhaust Temperature of All the Cylinders Is too High
Bad Color of Exhaust Gas
Unusual Sounds Occur During Operation
Wiring Diagram
Earth Float Without Air Heater
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This manual is also suitable for:
12aym-wst
12aym-wet
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