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5205.0860 MACHINES WITH REVOLVING PARTS.

Subpart 1.

Scope.

The provisions of this part shall apply to extractors, mixers, mullers, and centrifuges.

Nothing in this part shall apply to equipment used in research laboratories or equipment with less than one-quarter HP driving motors.

Nothing in this part shall apply to any machine which must be hand-fed where the feed opening is protected either by a guarded hopper or automatic feed system which prevents the operator from reaching into the point of operation.

Subp. 2.

Guarding.

Each machine shall be fully guarded with a cover, hatch, or grate with an interlocking device that will prevent the cover, hatch, or grate from being opened while the rotating parts are in motion, and will also prevent the power operation of the machine while the cover, hatch, or grating is not fully closed and secured.

Subp. 3.

Secured position.

Each machine shall be effectively secured in position on the floor or foundation so as to eliminate unnecessary vibrations.

Subp. 4.

Labeling for operating speed.

The manufacturer's recommended speeds shall be stamped on the machine, and located where they are readily visible in letters not less than one-quarter inch in height. The maximum permissible speed shall be given in revolutions per minute (RPM).

Statutory Authority:

MS s 182.655

History:

12 SR 634

Published Electronically:

June 11, 2008