Chapter 5
PERIODIC MAINTENANCE CHART
5-2
General Definition of Regular-Use
Engine, Emergency Engine and
General-Purpose Engine
General definition of regular-use engine
An engine operated with a constant base load for
the purpose of generating electric power, which is
used independently or in combination with commer-
cial power supply.
An engine operated under a fluctuating load
throughout a day for supplying rated electric power
in lieu of commercial power.
General definition of emergency engine
An engine used for emergency power generation
such as main power supply and commercial power
supply.
General definition of general-purpose
engine
An engine used for a purpose other than power
generation - for example, to drive a pump, as the
main engine for a ship, and for an industrial vehicle
- and operated under constant or cylically varying
load and speed.
