seatback adjustment handles-touring seats

Vehicle Information: Model: 911; Year: 1988; Body Type: Targa; Engine (type, size, modifications): 3.2; Total Mileage: 50,000;

regarding the lever that adjusts the seatback angle, i need to know for installing seat covers if after removing the allen screw, does the handle just pull off? the handle did not easily slide off and i was reluctant to give it a yank!