Black Drive Gear # 8 . This Gear Drives the large Red or Black Output Knob Gear.
Black Drive Gear # 8, with 4 small holes in main gear body . This Gear Drives the large Red or Black Output Knob Gear.It is common for this gear and the Red ( 440 ) or Black ( 440i ) Output Gear to break at the same time. Click to Enlarge Diagram Or see 440 and 440i Timer Repair Guide
