Severe Service Application - Check; Environmental Factors; Incorrect Operating Procedures; Incorrect Maintenance Procedures - Perkins 4016-61 TRG Operation And Maintenance Manual

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SEBU8604
After cleaning the radiator, start the engine. Run the
engine. This will help in the removal of debris and
the drying of the core. Stop the engine. Use a light
bulb behind the core in order to inspect the core for
cleanliness. Repeat the cleaning, if necessary.
Inspect the fins for damage. Bent fins may be opened
with a "comb". Inspect these items for good condition:
Welds, mounting brackets, air lines, connections,
clamps, and seals. Make repairs, if necessary.
Severe Service Application -
Check
Severe service is the application of an engine that
exceeds the current published standards for that
engine. Perkins maintains standards for the following
engine parameters:
Performance such as power range, speed range,
and fuel consumption
Fuel quality
Operational Altitude
Maintenance intervals
Oil selection and maintenance
Coolant type and maintenance
Environmental qualities
Installation
The temperature of the fluid in the engine
Refer to the standards for the engine or consult your
Perkins dealer or your Perkins distributor in order to
determine if the engine is operating within the defined
parameters.
Severe service operation can accelerate component
wear. Engines that operate under severe conditions
may need more frequent maintenance intervals in
order to ensure maximum reliability and retention of
full service life.
Due to individual applications, it is not possible
to identify all of the factors which can contribute
to severe service operation. Consult your Perkins
dealer or your Perkins distributor for the unique
maintenance that is necessary for the engine.
The operating environment, incorrect operating
procedures and incorrect maintenance procedures
can be factors which contribute to a severe service
application.

Environmental Factors

Ambient temperatures – The engine may be
exposed to extended operation in extremely
cold environments or hot environments. Valve
components can be damaged by carbon buildup if
the engine is frequently started and stopped in very
i02335775
cold temperatures. Extremely hot intake air reduces
engine performance.
Quality of the air – The engine may be exposed
to extended operation in an environment that is
dirty or dusty, unless the equipment is cleaned
regularly. Mud, dirt and dust can encase components.
Maintenance can be very difficult. The buildup can
contain corrosive chemicals.
Buildup – Compounds, elements, corrosive
chemicals and salt can damage some components.
Altitude – Problems can arise when the engine is
operated at altitudes that are higher than the intended
settings for that application. Necessary adjustments
should be made.

Incorrect Operating Procedures

Extended operation at low idle
Frequent hot shutdowns
Operating at excessive loads
Operating at excessive speeds
Operating outside the intended application

Incorrect Maintenance Procedures

Extending the maintenance intervals
Failure to use recommended fuel, lubricants and
coolant/antifreeze
Maintenance Section

Severe Service Application - Check

71

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