TP-6836 4/1416 Section 2 Installation
2.5 Manual Operation Check
Hazardous voltage.
Will cause severe injury or death.
Disconnect all power sources before
opening the enclosure.
DANGER
Servicing the transfer switch. Hazardous voltage can
cause severe injury or death. Deenergize all power sources
before servicing. Turn off the main circuit breakers of all
transfer switch power sources and disable all generator sets
as follows: (1) Press the generator set off/reset button to shut
down the generator set. (2) Disconnect power to all battery
chargers. (3) Disconnect all battery cables, negative (--) leads
first. Reconnect negative (--) leads last when reconnecting the
battery cables after servicing. Follow these precautions to
prevent the starting of generator sets by an automatic transfer
switch, remote start/stop switch, or engine start command
from a remote computer. Before servicing any components
inside the enclosure: (1) Remove all jewelry. (2) Stand on a
dry, approved electrically insulated mat. (3) Test circuits with a
voltmeter to verify that they are deenergized.
NOTICE
Improper operator handle usage. Use the manual operator
handle on the transfer switch for maintenance purposes only.
Return the transfer switch to the normal position. Remove the
manual operator handle, if used, and store it in the place
provided on the transfer switch when service is completed.
Check the manual operation of the switch before it is
operated electrically. A manual operator handle is
provided with the transfer switch for maintenance
purposes only.
Note: Disable the generator set to prevent it from starting
and disconnect both power sources before
manually operating the switch.
Insert the handle and operate the transfer switch
between the Source N and Source E pos it i on s. T he
transfer switch should operate smoothly without binding.
Return the switch to Source N position, remove the
handle, and return it to the holder provided.
Do not place the transfer switch into service if the
contactor does not operate smoothly; contact an
authorized distributor/dealer to service the contactor.
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