48" snapper wb transmission is slowly leaking grease, i just noticed this, but i bet its been doing this for a while. where do i add grease? do i need to take it apart to add grease? at this point being my primary mower i would just like to add grease once a week since it is a slow leak. in the fall i will take it apart and fix it. what is the easiest way to add grease? if i have to take it off/apart, do you have any tips? the pictures show the leak as well as various views so you know the type of transmission. thanks so much in advance, if this trans went out midweek i'd be so screwed next year i'll have a second mower, but right now im counting on this thing big time.