accomplished in the same manner as installation of the
(b) Cut one-hole gaskets (4) and force gaskets over
flanged elbow illustrated in figure 3-26.
(b) Cut four 1-hole gaskets (2, fig. 3-26).
(c) Insert bolts through flange. Place blocking under
Force gaskets over bolts (3).
heads of bolts, install a gasket (6) over the bolts.
(c) From outside face of flange, insert bolts through
(d) Face inlet of elbow toward tank bottom.
bolt holes inside the flange half with heads of bolts
Insert bolts through stave from inside the tank.
fitting into cutouts provided.
(d) Place gasket (4) over bolts and insert bolts
(a) Hold elbow (2, fig. 3-28) in position inside the
through stave from inside the tank.
(e) Hold flange in place and install gasket (1, fig. 3-
outside the tank.
27) over bolts on outside of tank.
(f) Install outside blind flange half over bolts.
Install nuts on bolts, and tighten bolts.
3-22. Tank Outlet (4and 6-inch)
a. General. The outlet consists of a steel pipe
fabricated elbow installed inside the tank. An adapter is
installed outside the tank.
(a) Install elbow (2, fig. 3-28), made up with inside
flange (3), inside the tank on the stave (1).
Figure 3-28. Four-inch elbow installed