8 INSPECTION AND MAINTENANCE
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
124
Pub. No. 291Y1-40720 Revision: 5
Precautions for General
Inspection and Maintenance
Before starting the engine, pull out
the manual turning gear shaft.
* Starting the engine while the turning gear is
engaged with the ring gear may result in serious
injury or destruction of the engine.
Before inspecting and maintaining the
engine, read this Operation &
Maintenance Manual thoroughly to
understand the construction and the
required work to service the
corresponding part. In addition,
conduct the work after fully studying
the procedure.
* If you conduct the work without studying
enough, an accident or damage due to wrong
installation, or deterioration in the exhaust
properties may occur.
Do not make any modifications to the
engine without our previous written
agreement.
* Otherwise, damage to the devices or significant
environmental pollution may occur.
* In such a case, the whole warranty will become
invalid.
Do not work while standing on the
engine.
* Otherwise, you may slip and fall by accident,
and get injured.
* In addition, the devices or pipes may be
damaged.
Do not disconnect the fuel or engine
oil piping while the engine is
operating or at high temperature.
* Otherwise, adhered fuel on the engine may
ignite and cause a fire.
Do not disconnect the pipes
immediately after the engine is
stopped.
* Otherwise, you may get burned by hot engine
oil or coolant splashing out.
Do not touch any part of the engine
(other than the manual stop lever)
during operation or immediately after
operation.
* If you touch it, you may get burned by heat.
* Before starting the inspection and maintenance
work, make sure that the engine is cooled
down.
Only the genuine parts are
recommended to use.
* Using non-genuine parts may cause
deterioration in the exhaust gas properties and
damage to the devices.
* Failures or damages caused by using non-
genuine parts will be outside the scope of the
warranty.
While washing the engine, pay
attention that water or foreign
particles will not enter the engine.
* Otherwise, the devices may be damaged.
After washing the engine, blow off
water around the terminals by using
compressed air.
* Otherwise, short circuit may cause damage to
the devices.
Before maintaining electrical
components, place the battery switch
to the OFF position or disconnect the
battery negative (-) terminal.
* Electric shock may result when electricity flows
through the circuit.
Wipe off spilled flammable
substances such as fuel, engine oil,
coolant (LLC), grease, rust preventive
oil and anti-corrosive agent.
* They may cause a fire.
When discarding a waste cloth used
to wipe off combustible material, put
it into a lidded can and obey the
Waste Management and Public
Cleansing Act to handle it as a special
industrial waste.
* It may cause a fire.
* It may cause environmental pollution.
* If you violate rules, you may be subject to
penalties.
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