Just get a snout from a lubester with the sorta hose hook thingie, and about 5 or 6 inches of pipe so it sits over the lid ,replace the part you have that goes up from the pump and you are done.

<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>Donepumpin in the north land, retiring to the Rodeo Pop Lubritorium to lube my throat.. ..Yeeehah..dodogas