How do I fill my Power Assist™ Finishing Box?

To fill the TapeTech Power Assist™ Finishing Boxes with joint compound, pull the pressure plate out to the fully open position. The pressure plate will catch in the toothed prawl (#212088) and be held there. There is a lock (#212087) mounted on the right side of the pressure plate that will secure the tool in the fill position. The finishing box can now be loaded with joint compound using the filler adapter and the loading pump. Watch a video of loading compound into finishing boxes here.