Specifications
Table Of Contents
- Table of Contents
- Introduction
- Safety
- Product Overview
- Before You Operate
- Engine Operation
- Periodic Maintenance
- Introduction
- Safety Precautions
- Precautions
- EPA Maintenance Requirements
- Periodic Maintenance Schedule
- Periodic Maintenance Procedures
- Daily Checks
- After Initial 50 Hours of Operation
- Every 50 Hours of Operation
- Every 100 Hours of Operation
- Every 150 Hours of Operation
- Every 250 Hours of Operation
- Draining the Fuel Tank
- Replacing the Engine Oil Filter Element
- Changing the Marine Gear Oil
- Checking or Replacing the Seawater Pump Impeller
- Cleaning the Intake Silencer (Air Cleaner) Element
- Cleaning or Replacing the Exhaust / Water Mixing Elbow
- Adjusting the Alternator V-ribbed belt Tension
- Cleaning the Breather Pipe
- Checking the Wiring Connectors
- Every 1000 Hours of Operation
- Troubleshooting
- Long-Term Storage
- Specifications
- System Diagrams
- EPA Warranty USA Only
- Emission System Warranty
PERIODIC MAINTENANCE
58 YM Series Operation Manual
Inspection and Maintenance of EPA Emission-Related Parts
• Marine diesel engines less than 37 kW (50 hp) are certified as EPA CI marine engine
and CARB non-road engine
• Marine diesel engines greater than 37 kW (50hp) are certified as EPA CI marine
engines
Inspection and Maintenance of EPA Emission-Related Parts for Non-Road
and CI Marine Engines
Note: The inspection and maintenance items shown above are to be performed at
your Yanmar Marine dealer or distributor.
Parts Interval
Clean fuel injection nozzle 1500 hours
Check fuel injection nozzle pressure and spray pattern 3000 hours
Check fuel injection pump adjustment
Check turbocharger adjustment (if equipped)
Check electronic engine control unit and its associated sensors
and actuators (if equipped)
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