Yanmar 6SY Series Operation Manual page 40

BEFORE YOU OPERATE
CAUTION
• Only use diesel fuels
recommended by Yanmar for
the best engine performance,
to prevent engine damage and
to comply with EPA warranty
requirements.
• Only use clean diesel fuel.
• NEVER remove primary
strainer from the fuel tank filler
port. If removed, dirt and
debris could get into the fuel
system causing it to clog.
CAUTION
• Only use the engine oil
specified. Other engine oils
may affect warranty coverage,
cause internal engine
components to seize, or
shorten engine life.
• Prevent dirt and debris from
contaminating engine oil.
Carefully clean the oil
cap / dipstick and the
surrounding area before you
remove the cap.
• NEVER mix different types of
engine oil. This may adversely
affect the lubricating
properties of the engine oil.
• NEVER overfill. Overfilling may
result in white exhaust smoke,
engine overspeed or internal
damage.
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CAUTION
• Only use the engine coolant
specified. Other engine
coolants may affect warranty
coverage, cause an internal
buildup of rust and scale
and / or shorten engine life.
• Prevent dirt and debris from
contaminating engine coolant.
Carefully clean the heat
exchanger cap and the
surrounding area before you
remove the cap.
• NEVER mix different types of
engine coolants. This may
adversely affect the properties
of the engine coolant.
6SY Operation Manual
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