16 SEBU8121
Product Information Section
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Engine Diagnostics
The Perkins 110
4 engine has built-in diagnostics
in order to ensure that all of the components are
functioning properly. The operator will be informed of
anychangetoa
programmed limit. The operator will
be alerted to the condition by a “Stop or Warning”
lamp that may be mounted on the dashboard or
on the contro
l panel. Under certain conditions, the
engine horsepower and the vehicle speed may be
limited. The electronic service tool may be used to
display the d
iagnostic codes.
There are three types of diagnostic codes: active,
logged, and
event.
Most of the diagnostic codes are logged and stored
in the ECM. F
or additional information, refer to
the Operation and Maintenance Manual, “Engine
Diagnostics” topic (Operation Section).
The ECM provides an electronic governor that
controls the injector output in order to maintain the
desired en
gine rpm.
Engine Coo
ling and Lubrication
The cooling system consists of the following
component
s:
•
Gear-driven centrifugal water pump
•
Water temperature regulators which regulate the
engine coolant temperature
•
Gear-driven oil pump (gear type)
•
Oil cooler
The engine lubricating oil is supplied by a gear
type pump
. The engine lubricating oil is cooled and
the engine lubricating oil is filtered. Bypass valves
provide unrestricted flow of lubrication oil to the
engine pa
rts when oil viscosity is high. Bypass valves
can also provide unrestricted flow of lubrication oil
to the engine parts if the oil cooler should become
plugged
or if the oil filter element should become
plugged.
Engine e
fficiency, efficiency of emission controls, and
engine performance depend on adherence to proper
operation and maintenance recommendations.
Engine p
erformance and efficiency also depend on
the use of recommended fuels, lubrication oils, and
coolants. Refer to the Operation and Maintenance
Manual
, “Maintenance Interval Schedule” for more
information on maintenance items.
Engine Service Life
Engine efficiency and maximum utilization of engine
performance depend on the adherence to proper
operation and maintenance recommendations. In
addition, use recommended fuels, coolants and
lubricants. Use the Operation and Maintenance
Manual as a guide for required engine maintenance.
Expected engine life is generally predicted by the
average power that is demanded. The average power
that is demanded is based on fuel consumption of
the engine over a period of time. Reduced hours of
operation at full throttle and/or operating at reduced
throttle settings result in a lower average power
demand. Reduced hours of operation will increase
the length of operating time before an engine
overhaul is required.
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