TM 9-6115-729-10
100 kW TACTICAL QUIET GENERATOR SET
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THEORY OF OPERATION Continued
LUBRICATION SYSTEM
The lubrication system consists of an oil pan, dipstick, pump, cooler, oil pressure sender, and filter. The oil pan is a reservoir
for engine lubricating oil. Engine oil lubricates, cleans, cools, seals, and preserves engine parts. The dipstick indicates oil
level in the oil pan. A pump draws oil from the oil pan and through a screen that blocks large objects from entering the oil
pump and cooler. The oil then passes through a spin-on type filter where smaller impurities are removed. From the filter, oil
enters the engine and is distributed to the engine's internal moving parts through internal passageways. Oil is also supplied
externally to the turbocharger and internally to a high pressure hydraulic pump that actuates the fuel injectors. After passing
through the engine, the oil returns to the oil pan. The lower GSC display indicates oil pressure sensed by the oil pressure
sender in the engine. The engine will shut off automatically if the oil pressure drops to 26 psi (179 kPa) and the red LOW
OIL PRESSURE indicator on the GSC will flash. The oil level can be checked with engine running.
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