§ 29.142. Belt tighteners and shifters.
(a) Belt poles. The use of belt poles as substitutes for mechanical belt shifters is not recommended. When necessity compels their use they should be of sufficient size to enable workmen to grasp them securely. A two inch diameter or one and one-half inch by two inch cross section is suggested. Poles should be smooth and preferably of straight-grained hardwood, such as oak or hickory. The edge of rectangular poles should be rounded. Poles should extend from the top of the pulleys to within about 40 inches of the floor or working platform.
(b) Belt perches. When loose pulleys or idlers are not practicable, belt perches in form of brackets, rollers, and the like, should be used to keep idle belts away from the shafts. Perches should be substantially made and so designed that the shipping of belts to and from them may be safely accomplished.
Cross References This section cited in 34 Pa. Code § 29.141 (relating to purpose).
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