Pre-Installation
16 AFDH-SVN004C-EN
Alternative Lifting Method
If it is only possible to use a single hoisting device to lift an
AFDH drive unit to position it for installation, a spreader
bar should be used to allow adjusting the rigging as
necessary to balance the unit around its center-of-gravity
to ensure full control of the unit during lifting.
Center of Gravity Reference (FEA Method)
Figure 9. Preferred lifting method using two identical
individual hoists
Figure 10. Alternative lifting method using a single
hoist and spreader bar
Figure 11. Direct mount
24.65
0
29.51
0
12.24
0
XYZ
ORIGINAL 0 0 0
CENTER OF
GRAVITY
12.24 24.65 29.51
CENTER OF GRAVITY
ORIGINAL
ORIGINAL
Y
X
Z
CENTER OF GRAVITY
ORIGINAL
CENTER OF GRAVITY
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