Types of cooling systems in ic engines
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TYPES OF COOLING SYSTEMS IN IC ENGINES GENERATOR
Below is a table to aid in mixing coolant to manufacturer’s specifications.Ĭoolant System – Each generator application can have a different cooling system configuration. Always refer to manufacturer’s recommendations for proper coolant mixture. Coolant lubricates the coolant pump bearings and aids in protection from rust buildup in the engine coolant passages.
TYPES OF COOLING SYSTEMS IN IC ENGINES MANUALS
Always refer to manufacturer’s manuals when servicing cooling systems.Ĭoolant – Engine coolant is a mixture of clean good quality water and an ethylene glycol antifreeze mixture. If air exists in cooling system, pump will experience cavitation causing premature pump wear and engine damage. The cooling system must be filled properly to prevent air locks. A bend or damaged fan blade can fail during operation and cause personal injury or property damage. If not reused, dispose of in accordance with local environmental regulations.ĭo not straighten a bent fan blade or continue to use a damaged fan. Heated coolant spray or steam can cause personal injury.Ĭoolant is toxic. Wait until the cool and temperature is below 120☏ (50☌) before removing the pressure cap. To prevent the possibility of personal injury or death, always tag and lock out all sources engine/generator power prior to cooling system maintenance.ĭo not remove the pressure cap from a hot engine.
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Below are general industry standards (always refer to manufacturer specifications): Individual generator manufacturers publish inspection and maintenance procedures for the cooling systems. To insure generator performance, a basic understanding of cooling system components is required. Return seawater is routed back to source.įigure 3, Open Loop (SPSL) Cooling System Configuration.Engine reaches operating temperature, seawater thermostat opens and allows seawater flow through engine block, cylinder head and components such as oil cooler and intercooler.Engine starts, direct drive pump is driven supplying seawater to thermostat.Open Loop (SPSL) – Open loop systems are generally used in marine applications, although could be used where any acceptable body of water is available. Return coolant flow is directed to the individual radiators.įigure 2, DPDL Cooling System Configuration.Remaining pump routes ethylene glycol coolant to internal components, such as oil cooler and intercooler.One pump routes ethylene glycol coolant to engine block and cylinder head.Return coolant flow is directed to radiator.įigure 1, SPSL Cooling System Configurationĭouble Pump Double Loop (DPLP) – DPLP cooling system configurations are common to large generators and when a generator is located in a high ambient temperature atmosphere.Ethylene glycol coolant is supplied to engine block and cylinder head internal components, such as oil cooler and intercooler.Engine reaches operating temperature, coolant thermostat opens and fan clutch engages.Engine starts, direct drive pump is driven and fan clutch is rotating.Single Pump Single Loop (SPSL) – SPSL systems are common in smaller to mid-size generator applications. Three common cooling system configurations are: In addition, container and trailer options are offered.Īn ethylene glycol based coolant is circulated through the cooling system components. Closed loop systems incorporate cooling pump(s), cooling fan and radiator(s) located on a skid as an all in one unit. The two most common styles of cooling systems are closed loop and open loop systems. Outside Field Service Sales Representative – Industrial GeneratorsĮach generator set manufacturer offers different options for design of the cooling system.Shipping Industrial Generators to Customers.Remote Monitoring Of Used Industrial Generators.