Sealing Seams - TM-5-5430-209-120181

Page4-3. Paragraph 4-3d(1) is superseded as follows:

(1) Installing Wedge Gaskets. Apply heave coating of sealing compound to both faces of gaskets (3, fig.4-3)

and install them over bolts (4).Use generous amounts of sealing putty at their overlap to seal the opening under the small

end (petroleum tanks only).

Page 4-5. Paragraph 4-7 is superseded as follows:

4-7.

Sealing Seams

WARNING

If the tank is to be used for water storage, do not apply sealing compound or sealing putty to the tank

bottom or seams.

Sweep tank bottom clean after testing the seams. With bottom dry, apply sealing compound to all bolts and seams

(petroleum tanks only).

Page 5-1. Paragraph 5-7 is superseded as follows:

5-7.

Sealing Seams

WARNING

If the tank is to be used for water storage, do not apply sealing compound or sealing putty to the tank bottom or seams.

Sweep tank bottom clean after testing the seams. With bottom dry, apply sealing compound to all bottom seams (fig.3-

16) (petroleum tanks only).

Page 6-1. Paragraph 6-2c.Note is superseded as follows:

NOTE

When there is a break in the gasket material, the ends should overlap 2 bolt holes and be cut squarely across the second

hole Sealing putty must be applied to each end of the overlap strip to insure a leak proof joint (petroleum tanks only).

Page 6-3.Paragraph 6-7 is superseded as follows:

6-7.

Sealing Seams

WARNING

If the tank is to be used for water storage, Do Not apply sealing compound or sealing putty to the tank

bottom or seams.

Sweep bottom of tank clean after testing seams. With bottom dry, apply sealing compound to all bolts and seams

(petroleum tanks only).

Page 6-4. Paragraph 6-8d(2) is superseded as follows:

(2) Install strip gasket (2) to cover all bolt holes. When one roll of gasket is used up and another started, the

overlap should extend over two bolt holes. Apply sealing putty at each overlap.

Page 6-5. Paragraph 6-9f(4).After last line, add (petroleum tanks only).

Page 6-12. Paragraph 6-14c(3).Note is superseded as follows:

NOTE

When there is a break in the gasket material, the ends should overlap two bolt holes and be cut squarely

across the second hole. Apply sealing putty to each end of the overlapped gasket to insure a leak proof

joint (petroleum tanks only).

Page 6-15. Paragraph 615b(1), line 4.Change "Compound" to read "putty".