TM 5-5420-209-12
4-101.
Roadway Pontons. - Continued
b. Repair. (figure 4-133)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
NOTE
Roadway ponton removed for repair. See para. a above.
Raise lever (1) and remove bilge plug (2).
Install ponton leak detector and pressurize ponton (3) to 1.4-1.6 psi (9.85-11.25 kg/sq cm).
Apply soapy solution to surface of ponton and check for leaks.
Mark leaks and relieve pressure in ponton (3).
Repair leaks, except on riveted or bolted seams, by welding.
Repair leaks at riveted and bolted seams with sealing compound.
Repaint repaired areas in accordance with MIL-T-704 Type B or local directives.
Apply nonskid compound to walkways.
Remove ponton leak detector and install bilge plug (2) and secure.
Repeat Steps (1) through (9) for remaining ponton.
4-326
