Users manual – surfaces must be clean, free of grease residues. Cut off the end of the cartridge tip and screw the nozzle included in the kit onto it. Insert the cartridge into the syringe gun and fill the nozzle with sealant by squeezing the trigger of the gun several times. To pause, press the brake at the top of the handle. To remove the cartridge, press the brake and pull the rod towards you.