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
YM Series Operation Manual 71
12/05
Adjusting the Alternator V-ribbed
belt Tension
See Checking and Adjusting the Alternator
V-ribbed belt Tension on page 62.
Cleaning the Breather Pipe
Consult authorized Yanmar Marine dealer
or distributor.
Checking the Wiring Connectors
Consult authorized Yanmar Marine dealer
or distributor.
Perform the following maintenance every
1000 hours or 4 years of operation,
whichever comes first.
• Checking the Fuel Injection Timing
• Checking the Fuel Injector Spray
Pattern
• Replacing the Seawater Pump
Impeller
• Cleaning and Checking the Seawater
Passages
• Checking the Diaphragm Assembly
• Replacing the Alternator V-ribbed belt
• Adjusting Intake / Exhaust Valve
Clearance
• Checking and Adjusting the Remote
Control Cables
• Adjusting the Propeller Shaft
Alignment
• Tightening All Major Nuts and Bolts
Checking the Fuel Injection Timing
Consult authorized Yanmar Marine dealer
or distributor.
Checking the Fuel Injector Spray
Pattern
Consult authorized Yanmar Marine dealer
or distributor.
Every 1000 Hours of Operation
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