Sunny Island fan replacement

palausystem
palausystem Solar Expert Posts: 124 ✭✭✭
Anyone remove the fans in a SI 5048U? I see what looks like screwdriver slots but it wont come out easy.
Off-grid 48v, 3 kw PV, Sunny Island 5048U, SunnyBoy, US Battery RE L16XC  6v, 800ah, Genset: Kohler 8.5 RES propane.