Weber propane grill needs cleaning (Ardmore)

Large Weber stainless steel propane grill. Genesis Gold model. Two pop-up shelves on either side. Hooks for utensils and propane tank on right side. Storage underneath with two stainless doors, one off track that can be fixed. Comes with empty propane tank. Bring your own full tank if you want to test it. Hasn't been used in 3-4 years. Worked last time we used it. NEEDS CLEANING! Need 2 strong people to move it (I cannot be one of them).