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(a) Access panels for maintenance and adjustment shall be closed and secured prior to operation of brush chippers.
(b) Each rotary drum or disk-type chipper not equipped with a mechanical infeed system shall be equipped with an infeed hopper not less than 85 inches, measured from the blades or knives to ground level or working level over the centerline of the hopper, and shall have sufficient height on its side members so as to prevent personnel from contacting the blades or knives of the machine during normal operations.
(c) Each rotary drum or disk-type chipper not equipped with a mechanical infeed system shall have a flexible anti-kickback device installed in the infeed hopper for the purpose of protecting the operator and other persons in the machine area from the hazards of flying chips and debris.
(d) Each disk-type chipper equipped with a mechanical infeed system shall have a quick stop and reversing device on the infeed. The activating lever for the quick stop and reversing device shall be located within easy reach of the operator.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Renumbering of Section 4299 to Section 4297, and new section filed 4-27-79; effective thirtieth day thereafter (Register 79, No. 17). For history of former section, see Register 74, No. 43.
2. Amendment filed 8-15-86; effective thirtieth day thereafter (Register 86, No. 41).
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