Deleted.

TO 14P3-5-61

TM 10-8475-202-13

shall complete the flap. The stitching shall start at. one

e. Roughen the smooth part of rubber side of the

end corner and continue the length of the flap, ending at

entrance slide fastener tapes.

Do not attempt to

the comer in the opposite end.

roughen the pebbled area. Clean roughened area with a

cloth dampened with MEK and allow to dry. Cement to

the coated side of the coverall. This will place the rubber

(3) The flap shall be installed on the coverall by folding

lips on the exterior of the coverall. Apply three thin coats

under the raw edges on the length of the flap 1/4 inch

of neoprene adhesive, Specification MIL-A-5540, to

1/16 inch and placing the flap over the entrance fastener

coverall and slide fastener surfaces, and allow one-half

with the turned-under portion parallel to the length of the

hour drying time between coats. When last coat is tacky

cutout on the left side of the coverall. The flap shall be

to touch, attach slide fastener to the coverall (in closed

fastened to the coverall with a single row of stitching the

position). Roll firmly to assure proper bonding. Edges of

full length of the flap (seam type SSn-1). The row of

the coverall opening should cover the smooth area only

stitching shall be not less than 5/8 inch nor more than

and should not project onto the pebbled area.

3/4 inch from the edge of the coverall cutout and 1/8

1/16 inch from the folded edge of the turn-under on the

Note

flap. The stitching shall not catch the fastener tape. The

Slide fastener shall close downward and the slide

flap length shall be equally spaced over the cutout

pull shall be to the outside of the coverall.

length. The ends o( the flap shall not be stitched to the

coverall but the lengthwise stitching shall be

f. Apply supported seam tape over joined area on

backstitched a minimum of 1/2 inch at each end. Seam

both sides of slide fastener to the inside of the coverall.

tape shall be centered over stitching and fastener tape

Assure tape is centered and runs full length of slide

and cemented on inside of coverall.

fastener tape. Use same cementing procedures as for

patching.

CAUTION

g. Apply reinforcing strips of supported tape at top and

Repaired coveralls shall not be used or repacked for

24 hours to permit correct curing time.

bottom of slide fastener on both inside arid outside of the

coverall. Dust all cemented areas with talc. Allow a

4-19. Deleted.

minimum of 24 hours curing time before using.

4-20. LEAK TEST.

Note

4-21. Each repaired coverall will be inflated and leak

An application of silicone compound, Dow-Corning 4

tested in the following manner:

Compound (manufactured by Dow-Corning Mfg.

Co., Midland, Michigan) or fluorinated silicone/ teflon

a. Block the neck opening by a locally manufactured

grease (manufactured by American Oil Co., Whiting,

Indiana) should be applied with a small brush to the

plug. The plug shall be slightly tapered (approximately

outside and inside of rubber lips and to pebbled

53 inches diameter) ad may be wood, meal or plastic.

surface of the closure slide fastener in order to

Plug shall be of such dimensions so as to provide a

provide easy slider operation.

smooth fit with no wrinkles or excessive tension on the

neck seal. The outer side of the plug shall contain two

h. Installation of Talon, Inc., Number 84, Type I slide

connectors, one for the air supply and one for the

fastener will be accomplished in accordance with

manometer or pressure gage. (Am alternate method is

instructions contained in paragraph 4-18e. The addition

to fabricate a plug to block off the wrist seal and install

of a slide fastener protective flap is required when

the two connectors for hook-up to air source and page.

installing the Talon slide fastener. The protective flap

The neck seal may then be tapered or clamped to

shall be installed as follows:

prevent leakage.)

(1) The protective flap shall be installed on

b. Turn the coveralls inside out and install plug into

the outside of the coverall over the slide fastener

the neck seal. Seal neck opening using elastic cord

closure.

(FSN 8305-276-7575 (an endless ring will suffice) or

(2) The flap shall be fabricated from a section

other effective means to prevent leakage.

of coverall fabric that is cut 37-1/2 + 1/4 inches long by 6

c. Tape or clamp wrist seals tightly to prevent

inches wide. The fabric shall be folded lengthwise at the

leakage.

center, coated side to coated side, and stitched with a

d. Inflate the coverall with air to a pressure of 5

continuous single row of stitching around the sides and

inches(water column).Shut off the air supply securely

ends (seam type SSa-1). The stitching shall be 1/4

and after 3 minutes observe the pressure in coverall.

1/16 inch from the folded and raw edges. A zigzag type

Coveralls which retain a pressure of 4 inches (water

of stitching with the points 3 inches apart

column) should be considered serviceable. Coveralls

which do not retain the above pressure shall be checked

with a liquid soap and water solution (1/3 soap to 2/3

water) to determine leaks.

4-8 Change 21