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High voltage may be present. The power source must be disconnected before working on equipment. Failure to disconnect the power source could result in injury or death. |
Do not perform any maintenance on the transfer switch until the system is locked out. In order to lock out the transfer switch, turn the "AUTO/INHIBIT" switch to the INHIBIT position. Then, put the external disconnect switch for the normal power source in the OFF position and lock out the disconnect switch. Then, put the external disconnect switch for the emergency power source in the OFF position, and lock out the disconnect switch.
The operating mechanisms of the transfer switch are lubricated with Lubriplate 105. The lubricant is applied at the factory. The mechanisms should be lubricated on a yearly basis. Also, if the mechanism becomes contaminated with debris, clean the mechanism with a clean dry cloth and apply additional Lubriplate 105.
Once the maintenance is completed, the system can be energized. In order to energize the system, unlock the external disconnect switch for the normal power source. Put the disconnect switch in the ON position. Unlock the external disconnect switch for the emergency power source. Put the disconnect switch in the ON position. Finally, turn the "AUTO/INHIBIT" switch to the AUTO position.