Figure 2-1. Winch assembly, AB-621(*)/G.
launcher assembly (24).
2-5. Removal and Replacement of Base
f. Pull the elevator cable assembly stud out of the
Assembly and Elevator
hole in the tube at the top of the elevator; hold the
cable assembly with vise-grip pliers and remove the
self-locking nut (5) to release the elevator from the
The launcher must be in a horizontal
position for removal and replacement of
g. Roll the elevator out of the launcher elevator
the base and elevator.
guides of the launcher assembly (24) to replace the
a. Lower the elevator platform, remove the winch
elevator wheel parts (6 through 16).
assembly, and lay the launcher on its back.
b. Position the elevator half-way up the launcher.
The elevator wheels are held on their
c. Remove the 12 screws (17) and self-locking nuts
axles by retaining rings.
(18) at the heel of the base assembly (19).
h. The wheels (11) and axles (8) can be replaced by
d. Remove the four machine bolts (21) and self-
removal of the retaining rings (9).
locking nuts, that fasten the diagonal braces to the
i. The wheel assembly (15) can be replaced by
removal of retaining rings (16).
e. Remove the base assembly (19) from the