Figure 8-39. Assembly of umbrella-type deck support

TM 5-5430-209-12

Figure 8-39. Assembly of umbrella-type deck support.

(5) Insert 1/2-by 11/4-inch bolts (4) through the

ring gusset plate and channel (2) in that order. Install

and tighten nuts.

(6) Position collar (3) at opposite end of brace

(2).

(7) Insert bolts (4) through gusset plates of collar

(3) and braces (2) in that order. Install and tighten nuts.

NOTE

Remaining braces (2) are attached after

umbrella support is raised to its final position.

8-16. Installation of Tank Center Support Assembly

a. General. The tank center support assembly

consists of the bottom, middle, and top center supports,

step plate, and umbrella-type deck supports.

b. Installing Bottom Center Support.

BOTTOM CENTER SUPPORT

(1) Place assembled umbrella-type support (4,

CENTER SUPPORT BASE

fig. 8-40) over center support base (2) before starting

GIN POLE ADAPTER

installation of center support sections.

UMBRELLA-TYPE DECK SUPPORT

ME 5430-209-12/8-40

Figure 8-40. Erecting bottom center support.

8-23