Important Information; Operating The Engine Properly; Service The Engine Properly - Mitsubishi SL-Series Operation Manual

IMPORTANT INFORMATION

2 IMPORTANT INFORMATION
2.1

Operating the engine properly

1. Never attempt to break the seals of the
injection pump governor for maximum speed
and maximum injection quantity settings.
Breaking these seals and varying the settings
could result in:
• Accelerated wear of engine components
• Increase in fuel and oil consumption
• Maladjusted injection quantity and poor
engine performance
• A violation to emission regulations
2. Always keep the engine room well ventilated.
If it is not properly ventilated, the air supply will
be inadequate, resulting in lack of air for fuel
combustion and loss of power.
3. Start the engine properly. After every 10
seconds of engine cranking, allow 30 seconds
for the starting motor to cool before cranking it
again.
4. After starting the engine, leave it idling for 5 to
10 minutes before operating it at full load, for
maximum engine life.
NOTE
Long periods of warming up the engine are not
recommended. They can result in carbon
deposits in the combustion chambers and
incomplete fuel combustion.
5. To avoid damage to the alternator, do not turn
OFF the battery switch when the engine is
running.
6. Avoid overloading. Overloading can cause
incomplete combustion, often indicated by
black exhaust, high fuel consumption, and
carbon deposits in the combustion chambers,
affecting engine lifespan.
7. It is advised to break in the engine within the
first 50 hours of operation. The way to do this
is by operating the engine under a lighter load
and lower speeds than normal. When an
engine is properly broken in, it contributes to
the maximum service life of the engine.
8. Stopping the engine immediately after it has
been working under load can result in
accelerated wear of engine components.
Before stopping, leave the engine idling for
about 5 minutes. This allows hot areas of the
engine to cool down gradually, extending the
engine life. Whilst the engine is running, make
a walk-around inspection and check for oil,
fuel, or coolant leaks.
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2.2

Service the engine properly

1. Use the recommended fuel, oil, and coolant
listed in this manual. The use of any other
fuel, oil, or coolant can result in higher
maintenance costs and can reduce the engine
service life.
2. Be sure to perform pre-start inspection and
periodic service on items specified in this
manual. Improper inspection or service is
dangerous and could result in damage to the
engine, injury, or death.
3. At the end of each day of operation, check the
engine for broken, defective, or missing parts.
If you discover any items that need attention,
repair, replacement, or adjustment after your
daily check, report it as soon as possible.
Keep in mind that even minor defects could
result in very serious trouble.
4. When washing the engine, cover the air inlet
and the exhaust openings with tape to prevent
water or cleaning agent from getting inside the
engine. Do not attempt to wash the engine
when it is running. If water or cleaning agent
gets inside the combustion chambers, the
hammering action of water could cause
damage to the engine.
5. Clean air is essential to a satisfactory engine
operation and to a long engine life. This is also
the reason why it is very important to service
the air cleaner properly. The air cleaner
prevents dust and grit-laden air from getting
into the engine. Dust and dirt entering the
engine will cause rapid wear of piston rings,
cylinders, and pistons, resulting in loss of
power and high oil consumption. Also, if dust
and dirt are allowed to build up in the air
cleaner passages, then this will eventually
restrict the air supply to the engine and result
in heavy carbon deposits on the pistons and
valves due to an incomplete combustion.
Therefore:
• Do not service the air cleaner when the
engine is running.
• When removing the air cleaner from the
engine for servicing, prevent dust from
entering the air passage to the cylinders.
• Service the air cleaner element at
reasonable intervals, or whenever the
signal of the indicator is visible. That is, if
your engine is equipped with an indicator
signal.
• Do not use the element if any tears, rips,
or damage are evident.
ENGLISH Operation Manual Mitsubishi SL-Series diesel engines
Version 08/2004