1 SAFETY
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
47
Pub. No. 291Y1-40720 Revision: 5
<Belt Tension (Alternator) - Adjust>
<Damper - Check>
â– Fuel System - Check
<Fuel Tank -Check and Service>
Fuel Tank - Clean
Check each belt status such as
tension and damage of the crankshaft
pulley or alternator.
* If the belt has been stretched, the battery
cannot be charged and DC power supply will be
lost.
Stay away from rotating parts during
operation.
* Otherwise you may get caught in the rotating
parts and seriously injured.
Adjust the belt tension properly in
accordance with the procedures
recommended by MHIET.
* Otherwise, the service life of the alternator,
bearing, or belt may be shortened.
* After you replaced the belt with a new one,
check the tension again after the initial stretch
of the belt is settled.
Keep the belt for the crankshaft
pulley or alternator free from oil and
grease.
* Otherwise, a slip may occur, which shortens the
service life of the belt.
Install a protective cover which can
dissipate heat.
* Otherwise, deteriorated damper due to poor
heat dissipation and ventilation in an enclosed
condition may cause breakage of the
crankshaft.
Keep away from fire, when working
with flammable substances such as
fuel.
* They may cause a fire.
If fuel leaks or splashes out from the
pipe, do not touch the splashing fuel.
* If the high pressure fuel contacts your skin, it
penetrates your skin and tissues of your skin
may result gangrene.
Wipe off spilled flammable
substances such as fuel thoroughly
with a waste cloth.
* 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.
Tighten the fuel supply valve to the
engine firmly.
* Otherwise, fuel leaks may cause a fire.
After cleaning the fuel tank, do not
leave the used waste cloth in the fuel
tank.
* Otherwise, it may cause damage to the devices
in the fuel system.
When draining fuel through the drain
cock, always use a container which
can accept all the fuel in the tank.
* Otherwise, the drained fuel will overflow from
the container, which may flow outside of the
facility.
* The fuel drained into the container must be
discarded in accordance with the local laws and
regulations as well as the manufacturer's SDS.
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