Section 408.40127. Machine installations and guarding.

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(1) The power source of any machine that is to be repaired, serviced, or set up, where unexpected motion or an electrical or other energy source would cause injury, shall be locked out by each employee doing the work, except when motion is necessary during setup, adjustment, or troubleshooting. Any residual pressure shall be relieved

before and during the work. A machine connected by a cord and plug to an electric power source shall be considered in compliance if the plug is disconnected and tagged and the disconnection is within view of the operation.

(2) An employee shall not place his or her body beneath equipment such as a vehicle, a machine, or materials, that is supported only by a jack, overhead hoist, chain fall, or any other temporary single supporting means, unless safety stands, blocks, or another support system that is capable of supporting the total imposed weight is used to protect the employee if the temporary single supporting means fails.

History: 1983 AACS; 1995 AACS; 2013 AACS.

                    
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