TM 5-3895-346-14
ENGINE OVERHAUL
ENGINE OPERATING CONDITIONS
Compression
Compression pressure (psi at sea level):
Average - new engine - at 600 rpm ............................................. 480
Minimum - at 600 rpm ................................................................ 430
*The lubricating oil temperature range is based on the temperature measurement in the oil pan at the oil pump
inlet. When measuring the oil temperature at the cylinder block oil gallery, it will be 10lower than the oil pan
temperature.
@Vehicle engines built in 1976 and later.
For 53 N engines with front cover breathing systems only.
†Maximum when this is the full-load engine speed.
389
