O&M Manual –90E1720004
Section 4 Receiving, Handling and Storage Page 11 of 52
Figure 2: Lifting with an Overhead Crane, Integral Lifting Angles and Cables or Chains
Follow these instructions to handle the switch:
1. Use load-rated cables or chains with safety hooks or shackles. Do not pass
cables or chains through holes in lifting straps.
2. Use a load-rated spreader beam to prevent structure damage. Rig so that the
minimum angle between the lifting cables or chains and equipment top is 45
degrees.
Handling with Sling Rigging
When elevating a switch, an overhead crane equipped with either of the following may be used:
1. A chain coupled to a sling rigging
2. A wire cable with safety hooks and shackles
3. Wrap the sling completely around the switch and shipping stringers
Figure 3: Lifting with Sling Rigging.
Handling with a Forklift
A forklift is an alternative method of handling the switch.
NOTE: Always check the fork lengths to ensure that the forks extend under the entire transfer
switch. Carefully balance the load and always use a safety strap when handling or moving the
transfer switch with a forklift.
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