Installation of Tank Deck cont'd

TM 5-5430-209-12

(b) Secure each clip to rafter landing ring (2) with

NOTE

two 1/2 by 1-inch bolts (3) and nuts (4).

Do not use a washer on any bolt in the chime.

rafter hanger. At each hanger (8, fig. 6-11) push chime

bolts (5, fig. 6-14) clear of the hanger, and insert strip

down, on each lap seam bolt. Install a nut loosely on

gasket between hanger and deck plate at chime bolt

each bolt.

holes. Push chime bolts through the hanger, gasket,

(3) Last Deck Plate. The last deck plate to be

deck plate, and gasket (6).

installed is not assembled with a rafter.

(d) Install nuts on chime bolts (5) of installed plate

NOTE

(1) except bolts which pass through the rafter

If last deck plate will not aline with plates

hanger. Do not tighten the nuts.

already installed, it may be necessary to

(e) Remove loose nuts (para 6-14c (4)) installed

adjust the center support for final closure of

temporarily on bolts (7) to hold plate (1) to rafter (8)

the deck.

during installation.

(a) Connect rope hooks to last plate and lift it

(2) Intermediate Deck Plates.

The next 18

into position above first plate and lift it into position

(intermediate) deck plates to be installed are assembled

above first plate and last intermediate plate. Aline bolt

with a rafter under the right lap seam. They are installed

holes in last plate with bolts and lower plate over the

to the right of the first plate. Installation procedures are

bolts.

identical for all intermediate deck plates.

(b) Follow instructions in (1) (d) and (2) (c)

(a) Connect rope hooks to the plate and lift it into

above.

position so that bolt holes in left side are alined with the

bolts (7) in right side of the previously installed plate.

b. Dressing Inner End of Deck Plates.

Lower the plate over the bolts.

(b) Follow instructions in (1) (b) through (e) above.

(1) Install strip gasket (1, fig. 6-15) to cover all

boltholes at inner ends of the plates (2, 3, and 4). If

there is a break in the gasket, overlap the gasket two

bolt holes. Apply sealing compound at each end of the

overlap.

6-16