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Overspeed Adjustable Valve
Electrical Safety
(continued)
(continued)
Mechanical Safety
4
Mainline Disconnect
Unless otherwise directed, always Turn OFF, Lock, and Tag out the mainline disconnect to remove
power from elevator equipment. Before proceeding, confirm that the equipment is de-energized
with a volt meter. Refer to the
Program Manual
for the required procedure.
Test Equipment Safety
Always refer to manufacturers' instruction book for proper test equipment operation and adjust-
ments.
Megger or buzzer-type continuity testers can damage electronic components. Connection of
devices such as voltmeters on certain low level analog circuits may degrade electronic system per-
formance. Always use a voltmeter with a minimum impedance of 1M Ohm/Volt. A digital voltmeter
is recommended.
When Power Is On
To avoid personal injury, do not touch exposed electrical connections or components while power is
ON.
Elevator Industry Field Employees' Safety Handbook
See the
information on installation and service.
Elevator Industry Field Employees' Safety and Accident Prevention
Safety Precautions
for mechanical equipment safety
Vertical Express
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