O&M Manual –90E1720004
Section 8 Operation Page 32 of 52
be isolated while still in the enclosure, but keep the switch rolling out of the enclosure. The
roll-out stop is removable, allowing the switch to be installed or removed from the enclosure.
WARNING: The 1000-4000A transfer switch rollout weighs between
1500 and 5,000 pounds. If the bypass-isolation switch mounting surface
floor is not level the transfer could roll out into the aisle. Rollout stops
are provided with these units for shipping and operational purposes. Do
not defeat the purpose of the stop unless precautions have been taken.
Failure to follow this instruction can result in personal injury, equipment
damage and or property damage.
Figure 21: Rollout Stop for 1000-4000A Bypass-Isolation Switches
To remove the transfer switch completely from the enclosure:
1. Remove the cradle/carriage stop from the guide track for the 1000-4000A unit.
2. Replace the stop on the guide track when re-installing the switch.
Figure 22: Withdrawing the Transfer Switch 1000-4000A
Returning the Transfer Switch to Service
To reconnect the transfer switch after isolating, follow these instructions:
1. Push the transfer switch back in the enclosure until it hits the stops.
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