I received my A/C Spruce order for #8 nuts and washers. I pulled out the fuel vent tubing one last time and cleaned off the pen marks. I used the method for tightening fittings of finger-tightening, and then one add'l quarter-turn wih a wrench. I tightened all four vent fittings in this manner. I reinstalled the fuel vent tubing and tightened the fittings. I installed four Adel clamps on each vent tubing with #8 screws, nuts and washers.
