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Hired-Hand PowerTrak: Load Block - Drive Screw Replacement User Manual

Page 3

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HIRED-HAND MFG., INC. • 1733 County Rd 68 • Bremen, Alabama 35033 · Phone 256-287-1000 • Fax 256-287-2000

Part No. 4802-5093 rev 5-07

Page 3 of 8

Figure 5 – Upper Radial Bearing

Set Screws

Set

Screws

Figure 4 – Delrin Bushing

Set

Screw

Delrin

Bushing

Figure 7 – Remove Bottom Plate

Bottom

Plate

Figure 6 – Separate Drive Screw

from Load Block

Delrin

Bushing

Load

Block

Assembly

Drive

Screw

(15) Loosen the delrin bushing set screw using a 3/32"

allen wrench. Rotate the delrin bushing upward
approximately 12 inches. Refer to Figure 4.

























(16) While supporting the load block and drive

screw, loosen the upper radial bearing two
set screws and carefully lower the drive
screw to rest on the delrin bushing. Refer
to Figure 5 and 6
.

























(17) Turn the drive screw by hand and run the load

block off the top of the drive screw. Refer to
Figure 6
.

(18) Remove the bottom plate four screws & nuts and

lay bottom plate to the side. Refer to Figure 7.

NOTE: While the bottom plate is loose, ensure that extra

care is taken to prevent disconnecting the wires
from the limit switch assembly to the terminal
block.