TK 61753-2-MM-EN
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Figure 10. Low Oil Pressure Flow Chart
Engine Cooling System
The engine employs a closed, circulating type, pressurized cooling system. Correct engine temperatures are controlled
and maintained by a radiator, fan, and thermostat. The coolant is circulated through the system by a belt driven
centrifugal pump. The pump draws the coolant from the side of the radiator, circulates it through the cylinder block and
head and returns it to the radiator. A thermostat mounted in the coolant outlet line from the cylinder head to the
radiator automatically maintains coolant temperature within the specified temperature range.
All water cooled engines are shipped from the factory with a 50 percent permanent type antifreeze concentrate and 50
percent water mixture in the engine cooling system.
This provides the following:
1. Prevents freezing down to -30 F (-34 C).
2. Retards rust and mineral scale that can cause engine overheating.
EEnnggiinnee MMaaiinntteennaannccee
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