
Cooling system
Author:Chong Qing Shu Yang trading company | Article From:本站 | Release time:2018/1/3 10:10:38 | Chick:5421
Water is circulated by a centrifugal water pump moun-
ted either in or on the front of the engine belt driven fr-
om the accessory drive or crankshaft.
Water circulates around wet-type cylinder liners,throu-
gh the cylinder heads and around the injector sleeves.
The injector sleeves,in which the injectors are mount-
ed,are designed for fast dissipation of heat.The engi-
ne has a thermostat or thermostats to control the engi-
ne operating temperature.The engine coolant is cool-
ed in a heat exchanger or keel coder.Sea water is cir-
culated through heat exchanger by the raw waler pum-
p,mounted onfront of engine,and discharge through
connections on the heat exchanger.
The Fleetguard Water Filter is standard on Chong
Qing-Cummins Engines.The fiter by-passes a small
amount of coolant from the system via a filtering and
treating element which must be replaced periodically
NTA Aftercooled Engine
the water pump,where the water flow splits.One por-
tion circulates to the cylinder block water header aro-
und wet type cylinder liners,
through the cylinder
head and around the injector sleeves,upwards to the
water manifold,to the thermostat

ar of the block water header,the water is directed to
the after-cooler,Fig.5-7.Water flows forward through
the aftercooler to the water crossover to the thermost-
at housing.The second portion of water flows from the
cavity of the water pump housing through the oil cool-
er and tubing to the rear of the water manifold forward
to the thermostat housing,to control engine temperat-
ure.
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