In cement plants and woodworking shops, reverse-jet dust collectors suffer from "diaphragm fatigue." A Re-loader-activator installed upstream of the pulse manifold ensures that even if the main solenoid fails, the activator pulse keeps the bags from blinding over.
If you absolutely must test it on an isolated machine (never a production or personal PC): Re-loader-activator
The Re-Loader-Activator tool comes with several features that make it a popular choice among users: In cement plants and woodworking shops, reverse-jet dust