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02/02
LOCKOUT PROCEDURES
Lock out procedures are to be followed by each and every person performing any type of maintenance
and whenever the machine is not in operation.
1. Lockout procedures should be used at all times when maintenance is being done or the
machine is being shut down. This will prevent bodily injuries and prevent the machine from
accidentally being started by passersby.
2. The power source of any equipment, machine or process to be setup, adjusted, repaired,
serviced, installed or where maintenance work is to be performed, and unintended motion or
release of energy would cause personal injury, such a power source shall be locked out by each
employee doing the work.
3. Safety locks are for the personal protection of the employees and are only to be used for
locking out equipment. Each and every person should have their own lock and key.
4. Equipment and machines processing main disconnect switches shall be turned off and
locked in the off position only after the electrical power is shut off at the point of operation
control. Failure to follow this procedure may cause arcing, and possibly an explosion.
5. After locking out the power source, the employee shall try the equipment, machine or
process controls to ensure no unintended motion will occur or test the equipment and
machine by use of appropriate test equipment to determine that the energy isolation has
been effective.
6. When two or more employees work on the same equipment, each person is responsible
for attaching his/her own lock. There should be one lock for every person working on the
machine. Safety locks and adapters are to be fixed on levers, switches, valves, etc., in the non-
operative (off) position.
7. Upon completion of the work, each employee will remove his/her lock, rendering the
machine operable when the last lock is removed.
8. The employee responsible for removing the last lock, before doing so, shall assure that
all guards have been replaced, the equipment, machine or process is cleared for operation, and
appropriate personnel notified that power is being restored. This employee is also responsible for
removing the "Equipment" lock and returning it to the supervisor's office.
CAUTION!
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