Remove the lubricating oil pressure switch, install a gage, start the engine and measure the lubricating oil pressure.
Minimum lubricating oil pressure:
Low Idle (675 to 725 RPM) …………….69 kPa [10 PSI]
High Idle ………………………………………….. 207 kPa [30 PSI]
NOTE: The Pressure switch is set to actuate when oil presยญsure drops to 55 kPa [8 PSI].
