Robby B Hahira , GA December 27, 2014 Appliance: Model 110.29852991 Contacts on timer switch worn out Simply replaced. Removed covers on ends of top control hood. Removed two screws at bottom left corners. Unplugged wired harness from switch. Pushed in timer knob then from the back of it pulled out black plastic piece that held knob in place. Removed knob,and plastic pieces behind it. Took one screw out from front that held it in place. Lifted tab on back and slid it to the left and removed. Replaced in reverce order. All this was done with it unplugged from wall. Read More... 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Nut Drivers, Pliers, Screwdrivers