Check The Engine During Operation - Yanmar L48N Operation Manual

2. Turn the key clockwise to the START position
(Figure 13, (1)). Release the key as soon as
the engine starts. It will return to the ON
position (Figure 13, (2)).
3. If the engine fails to start:
(a) Wait until the engine comes to a complete
stop before you attempt to start it again.
Engaging the starter while the engine is
still rotating will result in damage to the
starter motor and flywheel.
(b) Wait at least 30 seconds before you
attempt to start the engine again. This
pause will allow the battery voltage to
recover to prevent damage to the starter
motor due to the low battery voltage.
L-N Operation Manual
ENGINE OPERATION
CHECK THE ENGINE DURING
OPERATION
CAUTION
Make sure the engine is installed on a
level surface. If a continuously running
engine is installed at an angle greater
than 20° (in any direction) or if an engine
runs for short periods of time (less than
3 minutes) at an angle greater than 25°
in any direction, engine oil may enter the
combustion chamber causing exessive
engine speed and generate white smoke
and also may occur unsatisfactory oil
pressure. These may cause serious
engine damage.
CAUTION
New Engine Break In:
• On the initial engine start-up, allow the
engine to idle for approximately 15
minutes while you check for proper
engine oil pressure, diesel fuel leaks,
engine oil leaks, and for proper
operation of the indicators and / or
gauges.
• During the first hour of operation, vary
the engine speed and the load on the
engine. Short periods of maximum
engine speed and load are desirable.
Avoid prolonged operation at
minimum or maximum engine speeds
and loads for the next 100 hours.
• During the break-in period, carefully
observe the engine oil pressure and
engine temperature.
• During the break-in period, check the
engine oil levels frequently.
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