Figure 8.5 Typical OHLD Rails
4. Position the OHLD onto the prongs of a forklift and raise up to the position of the rails.
5. Align the grooves of the wheels with the front rail and behind the rear rail and slide it on.
Figure 8.6 Side View of OHLD on Rails
6. Install stoppage bolts in the rear rail, at the far left and right of the end sections if the movement of the OHLD is
correct.
Figure 8.7 End Bolt Locations
8.2 OHLD Operation
• While operating the OHLD, specific details should be observed and ensure it will operate as intended.
• Before using the OHLD, make sure it is set correctly on the track and properly leveled.
• Make sure at least four to five wraps of the wire rope are around the drum before lifting, and the wire rope is free
of any knots or kinks.
• The OHLD should only be used to lift breakers. For safety purposes make sure never walk or stand under the
OHLD device as it is lifting or holding a circuit breaker.
8 Accessories Proprietary and Confidential ©2024 Vertiv Group Corp. 47
Vertiv™ UL891 Switchboard Installer/User Guide
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