R 408.12791 Operating rules; inspection and maintenance.

Rule 2791. (1) A supervisor or employee shall not remove or make inoperable any safety device or guard specified in this standard. (2) Dull, badly set, improperly filed, or improperly tensioned saws shall be immediately removed from service before they begin to cause the material to stick, jam, or kickback when it is fed to the saw at a normal speed. Saws to which gum has adhered on the sides shall be immediately cleaned. (3) Knives and cutting heads of woodworking machines shall be kept sharp, properly adjusted, and firmly secured. If 2 or more knives are used in 1 head, they shall be properly balanced. (4) Bearings shall be kept free of lost motion and shall be well lubricated. (5) Arbors of circular saws shall be free from play. (6) The sharpening or tensioning of saw blades or cutters shall be done only by persons of demonstrated skill. (7) A saw blade, cutter head, or tool collar shall not be placed or mounted on a machine arbor unless the tool has been machined as to size and shape to fit the arbor.