I would not do that. Back in October of last year I posted this in response to the WD40 protagonists. Wd40 was wrong then and it is wrong now.
6 point level up
The link is for the trailer system however the jacks and pump hardware are the same.
Page 5 is where the reference resides. Silicone for the jacks.
WD-40 is for the electrical connectors if they corrode.