Duff-Norton Ball Screw Rotating - Manual (Page 11)

11
20. Refer to Figure 2-2 for reassembly of lifting nut
(24) from tube arbor to ball screw (5).
a. With lifting nut centered on arbor tube, grasp
lifting nut and arbor to prevent lifting nut from
running off of arbor, and remove binding
wire.
b. Position arbor over ball screw (5) pilot.
Note
Flange of lifting nut should face toward
actuator shell and away from ball screw pilot.
c. Gently slide lifting nut (24) down arbor and
Figure 2-3. Expansion Plug Replacement
thread it onto ball screw (5). After lifting nut
is completely threaded onto ball screw,
remove arbor from ball screw pilot.
Note
Wrap tape around ball screw threads (below
pilot and above lifting nut ) to prevent lifting nut
from running off of ball screw during installation
of unit.
21. Manually operate actuator to insure proper
functioning of all components prior to use.
Assembly is now complete.