In the middle of a 3d8e , the capston pully”s were seized so removed them to lube both , but a had a little flat tab fall out of from behind both pulleys and I can’t find a concrete image of their location ..what they do is a mystery as well
Fixed the title so members know which model you have. If I had to guess, they're just dust shields and sit on the posts with no attachment, like a thin washer. https://archive.org/details/manual_TRK3D8_SM_HITACHI_EN
