20 AFDH-SVN01A-EN
Pre-Installation
Recommended rigging and lifting procedures for AFDH drive units
WARNING
Heavy Objects!
Only attach cables (chains or slings) to the designated lifting points. Each of the cables (chains
or slings) used to lift the unit must be capable of supporting the entire weight of the unit. Lifting
cables (chains or slings) may not be of the same length. Adjust as necessary for even unit lift.
Other lifting arrangements could cause equipment or property-only damage. Failure to properly
lift unit could result in death or serious injury.
WARNING
Improper Unit Lift!
An AFDH cabinet assembly is top heavy. Test lift unit to an approximate height of no greater
than 24 inches to verify proper center of gravity lift point. To avoid dropping the unit, reposition
lifting point if unit is not level. Failure to properly lift unit could result in death or serious injury
or possible equipment or property only damage.
Unit lifting points
1. Factory provided unit lift tabs
2. AFDH D-Frame Unit front-to-rear center of gravity
3. AFDH E-Frame Unit front-to-rear center of gravity
4. Frequency drive module section of the cabinet assembly. Weight of drive module can result in
the unit attempting to lean to the right as it is lifted if the rigging is not adjusted correctly
Figure 5. Unit lifting points and center of gravity
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