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TM 9-2320-356-BD
Section II.
AIR COOLING SYSTEMS
7-4.
GENERAL
Cooling system failures can result in engine failure and therefore must be repaired
if the engine is expected to operate for any length of time.
Cooling system
problems most often are indicated on the driver’s instrument panel. While
temporary overheating indications may result from excessive workload on the engine,
repeated or constant indication of overheating is almost always followed by a major
cooling problem.
7-5. AIR COOLING SHROUDS DAMAGED
Shrouds are used to direct the cooling air over the hot engine. Bent or torn
shrouds will upset the flow of air and cause hotspots to occur which can cause
internal engine failures.
Torn shrouds can be bent back into shape and patched with
sheet metal, epoxy, or tape to restore the proper air flow.
At a minimum, they
must be bent away from contact with moving components.
If the existing shrouds
cannot be repaired, new shrouds must be fabricated.
7-3
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