Doosan DX60R Shop Manual page 239

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 the engine
coolant. Carefully
surrounding area before you remove the cap.
Never mix different types of engine coolants. This may
adversely affect the properties of the engine coolant.
Never attempt to modify the engine°Øs design or safety
features such as defeating the engine speed limit control or
the diesel fuel injection quantity control.
Modifications may
performance characteristics and shorten the engine's life.
Any alterations to this engine may void its warranty. Be
sure to use genuine replacement parts.
Observe the following environmental operating conditions
to maintain engine performance and avoid premature
engine wear:
Avoid operating in extremely dusty conditions.
Avoid operating in the presence of chemical gases or
fumes.
Avoid operating in a corrosive atmosphere such as salt
water spray.
Never install the engine in a floodplain unless proper
precautions are taken to avoid being subject to a flood.
Never expose the engine to the rain.
Engine
CAUTION
clean the radiator
CAUTION
impair the engine's
CAUTION
cap and the
safety and
SP001693
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