Maintenance
Recommendations
i07218310
Severe Service Application
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 distributor 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 to
ensure maximum reliability and retention of full
service life.
Perkins engines are unable to identify all the factors
which can contribute to severe service operation, due
to individual applications. 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 extremelycold
environments or hot environments. Valve
components can be damaged by carbon buildup if
the engine is frequently started and stopped in
verycold 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 become 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
• 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
56 M0163009
Maintenance Section
Maintenance Recommendations
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