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Motor End Beam
Clamps
Motor
End
Motor Brake
Motor
Motor
End
Control
Cable
Box
Drop
7.4 Attaching Backbone Stiffeners
All Vortek NXT hoist installations require the use of aluminum backbone stiffeners installed on top of
the hoist backbone with two 3/8" threaded rods, four nuts and two steel backbone clamps.
Note:
Assemble the backbone stiffener and hardware kit to the hoist as follows:
1:
Turn the backbone stiffener on edge with the chamfered corner down and towards the beam
clamps, then slide it under the center lip of the backbone.
2:
Repeat this process for the opposing side.
3:
Insert the threaded rod through the beam clamp while threading the nut onto the lead end
.
12]
4:
Continue pushing the rod into the hole on the backbone stiffener and start threading the second
nut onto the lead end; the threaded rod will run into and through the second beam clamp.
Installation
Backbone
Motor
Sheaves
Stiffeners
Gearbox
Vortek
Load
Brake
Figure 10: Basic Hoist Components – covers removed
If there is something that obstructs you from using backbone stiffeners, you have the
option to use a third set of beam clamps. For additional information, contact ETC.
Figure 11: Backbone stiffeners with hoist
Backbone
Tail End
Clamps
Beam Clamps
Tail
Drum
End
Cable
Drop
Cables
Out End
Tail End
[Figure
14
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