Socket cap screw
New valve socket
New Valve socket
Figure 3. New valve socket wrench assembly.
the front cover of the ball and socket assembly, and
rotate in any direction. The hollow interior of the ball
provides a mounting surface for the lever bracket (12),
serves as a holder and bearing for the wrench holder
the wrench plate lug (14), the lock bolt screw (13), and
(5). A groove extending 180° around the inside of the
the plunger collar (15).
end of the cylindrical projection of the ball terminates at
(1) Lever bracket. The lever bracket (12) is
each end in a rectangular lock bolt hole (8). A steel ball
lug (7) screwed to the side of the ball provides a surface
bolted to the wrench holder plate. It is the
to which the lug screws (10) are clamped.
pivot on which the valve socket lever
d. Wrench Holder. The wrench holder (5) is a
assembly (par. 10) turns.
(2) Wrench plate lug. The wrench plate lug (14)
cylindrical bronze casting through which the shafts of
the old valve socket and the new valve socket are
is a flat piece of brass, painted red. When
inserted. A raised shoulder on one end of the wrench
the valve holder is in the new valve position,
holder and the wrench holder plate on the other end
the wrench plate lug bears against the ball
retain the wrench holder in the ball (4). A slot in the
lug indicating that the valve holder has been
outer end of the wrench holder contains the lock bolt
moved to the correct position.
assembly (e(4) below). The wrench holder can turn in
(3) Ball pointer. The ball pointer (9) is a curved
the ball through 1800 from the old valve position to the
brass arrow, painted red. It indicates the
new valve position. It is locked in either position when
direction to turn the wrench holder from the
the lock bolt engages the lock bolt hole (8) in the ball.
old valve position to the new valve position.
e. Wrench Holder Plate. The wrench holder plate
(4) Lock bolt assembly. The lock bolt assembly
(6) is screwed to the front of the wrench holder. It forms
TAGO 5013-A 7