Power Transmission Equipment
Flywheel
includes a balance wheel and a flywheel pulley mounted and revolving on the crankshaft of an engine or other shafting
731
This does not apply to hand-operated gear sprockets and chain drives used to adjust machine parts which do not move after hand power is removed.
Point of Operation
Point of operation” means that point at which cutting, shaping, or forming by a machine is accomplished upon stock and other points that may offer a hazard to the operator in inserting or manipulating stock in the operation of the machine.
727(1)
(1) A belt and pulley that is 7 feet or less above the floor or platform and that is exposed to contact must be guarded pursuant to R 408.10751 to R 408.10754. In a power plant or power-development room, a guardrail system may be used in compliance with General Industry Safety and Health Standard Part 2. “Walking-Working Surfaces,” as referenced in R 408.10702.
Gears
Gears means a set or train of wheels or parts that engages another part as by meshing teeth.
736
Projecting keys, set screws and other projections in revolving parts exposed to contact shall be removed, made flush or guarded. This does not apply to keys or set screws within gear or sprocket casings or other enclosures, nor to keys, set screws or oil cups in hubs of pulleys less than 20 inches in diameter if they are within the plane of the rim of the pulley.
Exposed to Contact
“Exposed to contact” means that the location of an object is such that a person might come into contact with it and be injured.
711
R 408.10711. Flywheels. Rule 711. An employer shall ensure that any part of a flywheel 7 feet or less above the floor or platform is guarded in 1 of the following ways:
(a) Enclosed by a guard
(b) With guardrail
(c) The upper rim of a flywheel protruding through a working floor is enclosed or surrounded by a guardrail system
(d) A flywheel with a smooth rim 5 feet or less in diameter may be guarded pursuant to R 408.10756.
Belt
(1) “Belt” includes any power transmission belt, including but not limited to, a flat belt, round belt, and V-belt, overhead chain and link belt. It does not include a conveyor belt.
722(2)
Horizontal shafting extending over a driveway shall be guarded with a trough guard unless it is located 15 feet or more above the driveway or is a part of an overhead traveling crane.
Guarded
Guarded” or “enclosed” means that an object is covered, fenced, or surrounded so that it is not exposed to contact.
731
R 408.10731. Gears, sprockets, and chain drives. Rule 731. (1) Gears, sprockets, and chain drives exposed to contact shall be guarded pursuant to R 408.10751 to R 408.10754. This does not apply to hand-operated gear sprockets and chain drives used to adjust machine parts which do not move after hand power is removed. (2) Protection against falling chain or metal belts shall be provided pursuant to R 408.10751 to R 408.10754 where drives extend over a work area or passageway.
Horizontal Belt
(1) “Horizontal belt” means a belt running within a 60 degree angle from horizontal.
726(3)
(3) A pulley permanently out of service shall not be allowed to remain on shafting which is in use, unless enclosed with a guard pursuant to R 408.10751 to R 408.10754.
Maintenance Runway
“Maintenance runway” means a permanent runway or platform used for oiling, maintenance, running adjustment, or repair work, but not for a passageway.
716
R 408.10716. Revolving and reciprocating parts. Rule 716. A revolving or reciprocating part, if exposed to contact, shall be guarded pursuant to R 408.10751 to R 408.10754.
Belt Shifter
“Belt shifter” means a device for mechanically shifting belts from tight to loose idler pulleys or vice versa, or for shifting belts on cones of speed pulleys.
Flywheels, shafts, pully's, and belts shall be guarded unless
They are exposed more than 7 feet above a floor or platform.
Securely fastened
“Securely fastened” means that the safety device or object referred to shall be so secured in place that it cannot be moved under normal or reasonably foreseen conditions or circumstance
752
R 408.10752. Construction. Rule 752. A guard shall be practicable, durable, and effective, and it shall not introduce a new hazard, including, but not limited to, burrs and sharp edges.