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PDFWAC 296-307-28064

How must pulleys be maintained?

(1) Pulleys must be kept in proper alignment to prevent belts from running off.
(2) Any pulley carrying a nonshifting belt should have a crowned face.
(3) Cast-iron pulleys should be tested frequently with a hammer to detect cracks in rim or spokes. The sound is different depending on whether the belt is or is not on the pulley.
(4) Split pulleys should be inspected to be sure that all bolts holding together the sections of the pulley are tight.
[WSR 97-09-013, recodified as § 296-307-28064, filed 4/7/97, effective 4/7/97. Statutory Authority: RCW 49.17.040, [49.17.]050 and [49.17.]060. WSR 96-22-048, § 296-306A-28064, filed 10/31/96, effective 12/1/96.]
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