Doosan DX60R Shop Manual page 199

Never hold the key in the START position for longer than 15
seconds or the starter motor will overheat.
Make sure the engine is installed on a level surface. If a
continuously running engine is installed at an angle greater
than 30° (in any direction) or if an engine runs for short
periods of time (less than three minutes) at an angle greater
than 35° (in any direction) engine oil may enter the
combustion chamber causing excessive engine speed and
white exhaust smoke. This may cause serious engine
damage.
Make sure the engine is installed on a level surface. If a
continuously running engine is installed at an angle greater
than 30° (in any direction) or if an engine runs for short
periods of time (less than three minutes) at an angle greater
than 35° (in any direction) engine oil may enter the
combustion chamber causing excessive engine speed and
white exhaust smoke. This may cause serious engine
damage.
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
CAUTION
CAUTION
CAUTION
SP001693
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