The pump goes when pressure, in the system, goes under a level and when a jockey pump is not enough to cover this pressure drop.
A pump can have a diesel engine. It has an important element to maintain it warm, to start easily when there is a fire.
The operation of the first minutes is a source of considerable wear to the inhomogeneity of the internal engine temperatures, incomplete combustion, lubrication difficulties, barely controllable thermal expansion, etc.
Some engines intended for particular use and which must always be "ready" to supply the maximum power instantaneously (emergency generators) are always kept warm through the use of electric resistances immersed in the cooling system in the cylinder block, so as to make always provided the power needed without waiting for the engine to warm and its problematic phase of the thermal head-base expansion and piston rod. This device is the heater.
Some engines intended for particular use and which must always be "ready" to supply the maximum power instantaneously (emergency generators) are always kept warm through the use of electric resistances immersed in the cooling system in the cylinder block, so as to make always provided the power needed without waiting for the engine to warm and its problematic phase of the thermal head-base expansion and piston rod. This device is the heater.
LET'S LISTEN A THERMAL ENGINE WHEN STARTED AND ACCELERATE...
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