Not familiar with that foil, put I don't see any reason that you would be held back by it at your weight of 75kg as long as you start pumping as I said, with speed and motor out of water.
Some foils like a tap tap glide, others a more rise and fall... lots of ways to describe technique, but the goal is to not loose any speed while gliding crouch down a little, then as the board is dropping down; stand quickly by appying pressure to feet front then back such that you bounce off the push of the foil being redirected up; on tip toes back foot, absorb the board by sitting; stand as the foil levels off and starts gliding again, repeat at a fequency appropriate for your speed/foil.
If you find when you push down the foil drops and your board crashes to the surface, you are going too slow for your foil, or are pushing too hard for the size, and probably pushing when the foil is still climbing. A larger foil, or one designed for pumping will give a broader sweet spot such that you can slow the pump and really push off. Really concentrate on not breaking the lift by angling the foil up too fast and/or applying weight when the foil isn't in the nose down phase.