Bleeding The Fuel System; Engine Oil; Engine Oil Specifications - Yanmar BY Series Service Manual

GENERAL SERVICE INFORMATION

Bleeding the Fuel System

The fuel system needs to be bled under certain
conditions. See Bleed the Fuel System on
page 6-22.
• Starting the engine for the first time.
• After running out of fuel and fuel has been added
to the fuel tank.
• After fuel system maintenance such as changing
fuel filters, draining the fuel filter / water
separator, or replacing a fuel system component.
NOTICE: NEVER crank the engine using the
starter motor to prime the fuel system. This may
cause the starter motor to overheat and damage
the starter.
3-14

ENGINE OIL

Engine Oil Specifications

NOTICE: Only use the engine oil specified. Other
engine oils may affect warranty coverage, cause
internal engine components to seize and / or
shorten engine life. NEVER mix different types of
engine oil. This may adversely affect the lubricating
properties of the engine oil.
Use a full-synthetic long-life engine oil that meets or
exceeds the following guidelines and
classifications:
Service Categories
• API Service Categories SM, SL, SJ, SH/CF and
CF
• ACEA Service Categories A3, B3 and B4
Definitions
• API Classification (American Petroleum Institute)
• ACEA Classification (Association des
Constructeurs Européens d'Automobilies)
NOTICE:
1. Be sure the engine oil, engine oil storage
containers and engine oil filling equipment are
free of sediment and water.
2. Change the engine oil after the first 50 hours of
operation and then at every 250 hours (or
annually) thereafter.
3. Select the oil viscosity based on the ambient
temperature where the engine is being
operated. See the SAE Service Grade Viscosity
Chart (Figure 3-11).
4. Yanmar does not recommend the use of engine
oil "additives."
© 2009 Yanmar Marine International
BY Service Manual
Engine Oil