Fastens metal hub to center opening of cardboard roll with handtools and inserts turning shaft in hub.
Pushes roll onto let-off rack.
Threads cardboard strip into machine through guide and pressure rolls. Adjusts circular cutting knives that slit cardboard to specified width. Turns handwheel to move cutter and punch section of machine forward on track to feed combs into dip conveyor. Starts machine to process combs. Inspects combs for defects, such as insufficient punch pressure and spread, noncuts, and improper width.