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Chapter 7 MAINTENANCE SCHEDULE
General Definition of 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 indepen-
dently or in combination with commercial 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 cyclically varying load and speed.