I always pack a new oil pump with Vaseline before I install it. It helps the gears develop suction to pull the oil through the inlet screen, and petroleum jelly dissolves completely as soon as oil hits it, unlike some types of grease which contain fiber material that can find its way into places it can cause problems.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!