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
PRODUCT OVERVIEW
14 YM Series Operation Manual
Right Side (Viewed from
Flywheel) - 3YM20
Figure 3 and Figure 4 illustrate a typical
version of a 3YM20 engine. Your engine
may have different equipment from that
illustrated.
Figure 3
1 – Intake Silencer (air cleaner)
2 – Intake Manifold
3 – Fuel Filter
4 – Fuel Injection Pump
5 – Engine Oil Dipstick
6 – Engine Oil Filler Cap
7 – Fuel Feed Pump
8 – Engine Oil Filter
9–Marine Gear
Left Side (Viewed from Flywheel)
-3YM20
Figure 4
1 – Seawater Pump
2 – Coolant Filler Cap
3 – Engine Nameplate (on rocker
arm cover)
4 – Coolant Tank / Heat Exchanger
5 – Exhaust Manifold
6 – Starter Motor
7 – Shift Lever
8–Alternator
1
2
3
4
5
6
7
8
9
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