Maintenance
Electrical lockout procedures (US Market only)
Maintenance
doc081920
5-22
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lockout in accordance with this procedure. All operators, upon observing a machine or
piece of equipment which is locked out to perform servicing or maintenance shall not
attempt to start, energize, or use that machine or equipment.
SEQUENCE OF LOCKOUT
1.
Notify all affected personnel that servicing or maintenance is required on a machine or
equipment and that the machine or equipment must be shut down and locked out to per-
form the servicing or maintenance.
2.
The authorized employee shall refer to the company procedure to identify the type and
magnitude of the energy that the machine or equipment utilizes, shall understand the haz-
ards of the energy, and shall know the methods to control the energy.
3.
If the machine or equipment is operating, shut it down by the normal stopping procedure
(depress the stop button, open switch, close valve, etc.).
4.
De-activate the energy isolating device(s) so that the machine or equipment is isolated
from the energy source(s).
5.
Lock out the energy isolating device(s) with assigned individual lock(s).
6.
Stored or residual energy (such as that in capacitors, springs, elevated machine mem-
bers, rotating flywheels, hydraulic systems, and air, gas, steam, or water pressure, etc.)
must be dissipated or restrained by methods such as grounding, repositioning, blocking,
bleeding down, etc.
7.
Ensure that the equipment is disconnected from the energy source(s) by first checking
that no personnel are exposed, then verify the isolation of the equipment by operating the
push button or other normal operating control(s) or by testing to make certain the equip-
ment will not operate.
CAUTION!
Return operating control(s) to neutral or "off" position after
verifying the isolation of the equipment.
8.
The machine or equipment is now locked out.
RESTORING EQUIPMENT TO SERVICE
When the servicing or maintenance is completed and the machine or equipment is ready
to return to normal operating condition, the following steps shall be taken.
